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Iovino L, VanderZwaag J, Kaur G, Khakpour M, Giusti V, Donadon M, Chiavegato A, Tenorio-Lopes L, Greggio E, Tremblay ME, Civiero L. Investigation of microglial diversity in a LRRK2 G2019S mouse model of Parkinson's disease. Neurobiol Dis 2024; 195:106481. [PMID: 38527708 DOI: 10.1016/j.nbd.2024.106481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 02/15/2024] [Accepted: 03/21/2024] [Indexed: 03/27/2024] Open
Abstract
Microglia contribute to the outcomes of various pathological conditions including Parkinson's disease (PD). Microglia are heterogenous, with a variety of states recently identified in aging and neurodegenerative disease models. Here, we delved into the diversity of microglia in a preclinical PD model featuring the G2019S mutation in LRRK2, a known pathological mutation associated with PD. Specifically, we investigated the 'dark microglia' (DM) and the 'disease-associated microglia' (DAM) which present a selective enrichment of CLEC7A expression. In the dorsal striatum - a region affected by PD pathology - extensive ultrastructural features of cellular stress as well as reduced direct cellular contacts, were observed for microglia from old LRRK2 G2019S mice versus controls. In addition, DM were more prevalent while CLEC7A-positive microglia had extensive phagocytic ultrastructural characteristics in the LRRK2 G2019S mice. Furthermore, our findings revealed a higher proportion of DM in LRRK2 G2019S mice, and an increased number of CLEC7A-positive cells with age, exacerbated by the pathological mutation. These CLEC7A-positive cells exhibited a selective enrichment of ameboid morphology and tended to cluster in the affected animals. In summary, we provide novel insights into the occurrence and features of recently defined microglial states, CLEC7A-positive cells and DM, in the context of LRRK2 G2019S PD pathology.
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Affiliation(s)
- L Iovino
- National Research Council (CNR), Institute of Neuroscience, Pisa, Italy; Stella Maris Foundation, IRCCS, Calambrone, Pisa, Italy
| | - J VanderZwaag
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada; Neuroscience Graduate Program, University of Victoria, Victoria, BC, Canada
| | - G Kaur
- University of Padua, Department of Biology, Padova, Italy
| | - M Khakpour
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
| | - V Giusti
- University of Padua, Department of Biology, Padova, Italy; San Camillo Hospital srl Società unipersonale, IRCCS, Venice, Italy
| | - M Donadon
- University of Padua, Department of Biology, Padova, Italy
| | - A Chiavegato
- National Research Council (CNR), Neuroscience Institute, Section of Padova, Padova, Italy; Università degli Studi di Padova, Department of Biomedical Sciences, Padova, Italy
| | - L Tenorio-Lopes
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada
| | - E Greggio
- University of Padua, Department of Biology, Padova, Italy; University of Padova, Study Center for Neurodegeneration (CESNE), Padova, Italy
| | - M E Tremblay
- Division of Medical Sciences, University of Victoria, Victoria, BC, Canada; Département de médecine moléculaire, Université Laval, Québec City, QC, Canada; Axe Neurosciences, Centre de Recherche du CHU de Québec, Université Laval, Québec City, QC, Canada; Neurology and Neurosurgery Department, McGill University, Montreal, QC, Canada; Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, BC, Canada; Centre for Advanced Materials and Related Technology (CAMTEC), University of Victoria, Victoria, BC, Canada; Institute for Aging and Lifelong Health, University of Victoria, Victoria, BC, Canada
| | - L Civiero
- University of Padua, Department of Biology, Padova, Italy; San Camillo Hospital srl Società unipersonale, IRCCS, Venice, Italy.
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Kaur G, Belotti D, Burger AM, Fisher-Nielson K, Borsotti P, Riccardi E, Thillainathan J, Hollingshead M, Sausville EA, Giavazzi R. Editor's Note: Antiangiogenic Properties of 17-(Dimethylaminoethylamino)-17-Demethoxygeldanamycin: An Orally Bioavailable Heat Shock Protein 90 Modulator. Clin Cancer Res 2024; 30:1996. [PMID: 38690595 DOI: 10.1158/1078-0432.ccr-24-0857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
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Kaur M, Gupta PP, Jain A, Kaur G, Kaur A, Bansal M. Investigating multifaceted action of ibuprofen derivatives towards cox isozymes and interleukin-6 (IL-6) site correlating with various target sites. J Biomol Struct Dyn 2024; 42:2410-2423. [PMID: 37154526 DOI: 10.1080/07391102.2023.2209645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 04/14/2023] [Indexed: 05/10/2023]
Abstract
The multifaceted action of new ibuprofen analogs has been investigated against inflammation, neurological and pro-inflammation factors. On the basis of ADMET (absorption, distribution, metabolism, excretion, and toxicity) analysis, molecular docking as well as molecular dynamics simulation, compound 3 was thought to have good anti-inflammatory activity. As the presence of structural interactions such as conventional hydrogen bonds and electrostatic interactions through the nitrogen atoms of the linker in compound 3 gave strong evidence of its potency. The major finding of the current work is that the presence of appropriate number of hetero atoms (NH, OH) in a compound makes it more efficient than the number of labile groups (i.e., hydroxyl groups). Additionally, the position of hetero atoms in a compound and orientation also play a vital role in its efficacy. It was also screened for in vitro anti-inflammatory activity by membrane stability method, where it has shown 90.8% protection of RBC hemolysis. Thus, compound 3 with effective structural features may have good anti-inflammatory activity.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Mandeep Kaur
- Department of Chemistry, Punjabi University, Patiala, India
| | - Pramodkumar P Gupta
- School of Biotechnology and Bioinformatics, D Y Patil Deemed to be University, Navi Mumbai, Maharashtra, India
| | - Anmol Jain
- Department of Chemistry, Punjabi University, Patiala, India
| | - Gurmeet Kaur
- Department of Chemistry, Punjabi University, Patiala, India
| | - Amandeep Kaur
- Department of Chemistry, Punjabi University, Patiala, India
| | - Manisha Bansal
- Department of Chemistry, Punjabi University, Patiala, India
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Kaur G, Bansal M, Rehman HM, Kaur M, Kaur A. Synthesis and studies of new purines/pyrimidine derivatives as multi-targeted agents involving various receptor sites in the immune system. Mol Divers 2024; 28:97-110. [PMID: 36853528 PMCID: PMC9972316 DOI: 10.1007/s11030-023-10616-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 01/23/2023] [Indexed: 03/01/2023]
Abstract
Pro-inflammation, which is developed due to the increased production of cytokines, mainly interleukin-6 (IL-6), during the working of immune system pathways, becomes a major concern these days for many researchers. So, it is desired to design, screen, and synthesize new molecules with multi-parametric features showing their efficacy for Toll-like receptors (TLRs) and inhibiting the disease-causing receptor sites like viral infections, cancers, etc. along with controlling inflammation, fever, and other side effects during such pathways. Further, looking at the literature, curcumin a multi-targeted agent is showing its efficiency toward various receptor sites involved in many diseases as mentioned above. This fascinated us to build up new molecules which behave like curcumin with minimum side effects. In silico studies, involving ADMET studies, toxicological data, and docking analyses, of newly synthesized compounds (3-5) along with tautomers of curcumin i.e., (1-2), and some reported compounds like 9 and 10 have been studied in detail. Great emphasis has been made on analyzing binding energies, protein-ligand structural interactions, stabilization of newly synthesized molecules against various selected receptor sites using such computational tools. Compound 3 is the most efficient multifunctional agent, which has shown its potential toward most of the receptor sites in docking analysis. It has also responded well in Molecular dynamics (MD) simulation toward 5ZLN, 4RJ3, 4YO9, 4YOJ, and 1I1R sites. Finally, studies were extended to understand in vitro anti-inflammatory activity for particularly compound 3 in comparison to diclofenac and curcumin, which signifies the efficiency of compound 3.
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Affiliation(s)
- Gurmeet Kaur
- Synthetic and Medicinal Chemistry Laboratory, Department of Chemistry, Punjabi University, Patiala, 147002, India
| | - Manisha Bansal
- Department of Chemistry, Punjabi University, Patiala, 147002, India.
| | - Hafiz Muzzammel Rehman
- School of Biochemistry and Biotechnology, University of the Punjab, Lahore, Punjab, Pakistan
| | - Mandeep Kaur
- Synthetic and Medicinal Chemistry Laboratory, Department of Chemistry, Punjabi University, Patiala, 147002, India
| | - Amandeep Kaur
- Synthetic and Medicinal Chemistry Laboratory, Department of Chemistry, Punjabi University, Patiala, 147002, India
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Pahwa S, Sethi A, Kaur G, Dhir SK, Jindal N, Rai S, Jindal S. Early Predictors of Ventilator Associated Pneumonia in Preterm Neonates Admitted in a Special Newborn Care Unit. Indian Pediatr 2024; 61:45-48. [PMID: 38183251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2024]
Abstract
OBJECTIVES To determine the utility of microscopic examination and culture of endotracheal aspirate (ETA) in the early diagnosis of ventilator-associated pneumonia (VAP) in preterm neonates. METHODS We enrolled 80 consecutive neonates (both inborn and out-born) with gestational age of < 37 weeks admitted in Special Newborn Care Unit (SNCU) and requiring mechanical ventilation (MV) for ≥ 48 hours. The diagnosis of VAP was made using the criteria laid down by the Centers for Disease Control (CDC). RESULTS 47 preterm neonates (58.5%) developed VAP; the overall incidence was 74.7/1000 ventilator-days. The mean (SD) time (hours) to ETA culture was less as compared to diagnosis based on CDC criteria [108.9 (8.00 hrs) vs 132.4 (53.24); P = 0.004] with sensitivity and specificity of 80.8% and 72.7%, respectively. Outborn delivery was the single most important risk factor for VAP. Multidrug resistant (MDR) Klebsiella pneumoniae (63.9%) was the most prevalent organism. CONCLUSIONS We noticed a very high incidence of VAP among preterm neonates in SNCU. ETA culture can aid in early diagnosis.
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Affiliation(s)
- Simran Pahwa
- Department of Pediatrics, Guru Gobind Singh Medical College, Faridkot, Punjab
| | - Amanpreet Sethi
- Department of Pediatrics, Guru Gobind Singh Medical College, Faridkot, Punjab. Correspondence to: Dr Amanpreet Sethi, Assistant Professor, Department of Pediatrics (Neonatology), Guru Gobind Singh Medical College, Faridkot, Punjab 151 203.
| | - Gurmeet Kaur
- Department of Pediatrics, Guru Gobind Singh Medical College, Faridkot, Punjab
| | - Shashi Kant Dhir
- Department of Pediatrics, Guru Gobind Singh Medical College, Faridkot, Punjab
| | - Neerja Jindal
- Department of Microbiology, Guru Gobind Singh Medical College, Faridkot, Punjab
| | - Seema Rai
- Department of Pediatrics, Guru Gobind Singh Medical College, Faridkot, Punjab
| | - Sakshi Jindal
- Department of Pediatrics, Guru Gobind Singh Medical College, Faridkot, Punjab
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Garg P, Priyadarshi N, Ambule MD, Kaur G, Kaul S, Gupta R, Sagar P, Bajaj G, Yadav B, Rishi V, Goyal B, Srivastava AK, Singhal NK. Multiepitope glycan based laser assisted fluorescent nanocomposite with dual functionality for sensing and ablation of Pseudomonas aeruginosa. Nanoscale 2023; 15:15179-15195. [PMID: 37548288 DOI: 10.1039/d3nr02983b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/08/2023]
Abstract
Pseudomonas aeruginosa (P. aeruginosa) infection is becoming a severe health hazard and needs early diagnosis with high specificity. However, the non-specific binding of a biosensor is a challenge to the current bacterial detection system. For the first time, we chemically synthesized a galactose tripod (GT) as a P. aeruginosa-specific ligand. We conjugated GT to a photothermally active fluorescent nanocomposite (Au@SiO2-TCPP). P. aeruginosa can be detected using Au@SiO2-TCPP-GT, and additionally ablated as well using synergistic photothermal and photodynamic therapy. Molecular dynamics and simulation studies suggested better binding of GT (binding energy = -6.6 kcal mol-1) with P. aeruginosa lectin than that of galactose monopod (GM) (binding energy = -5.9 kcal mol-1). Furthermore, a binding study was extended to target P. aeruginosa, which has a galactose-binding carbohydrate recognition domain receptor. The colorimetric assay confirmed a limit of detection (LOD) of 104 CFU mL-1. We also looked into the photosensitizing property of Au@SiO2-TCPP-GT, which is stimulated by laser light (630 nm) and causes photoablation of bacteria by the formation of singlet oxygen in the surrounding media. The cytocompatibility of Au@SiO2-TCPP-GT was confirmed using cytotoxicity assays on mammalian cell lines. Moreover, Au@SiO2-TCPP-GT also showed non-hemolytic activity. Considering the toxicity analysis and efficacy of the synthesized glycan nanocomposites, these can be utilized for the treatment of P. aeruginosa-infected wounds. Furthermore, the current glycan nanocomposites can be used for bacterial detection and ablation of P. aeruginosa in contaminated food and water samples as well.
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Affiliation(s)
- Priyanka Garg
- National Agri-Food Biotechnology Institute (NABI), Sector-81, S.A.S. Nagar, Mohali, Punjab, India.
- Department of Biotechnology, Panjab University, Sector 25, Chandigarh, 160014, India
| | - Nitesh Priyadarshi
- National Agri-Food Biotechnology Institute (NABI), Sector-81, S.A.S. Nagar, Mohali, Punjab, India.
| | - Mayur D Ambule
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India.
- Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
| | - Gurmeet Kaur
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147004, Punjab, India.
| | - Sunaina Kaul
- National Agri-Food Biotechnology Institute (NABI), Sector-81, S.A.S. Nagar, Mohali, Punjab, India.
- Department of Biotechnology, Panjab University, Sector 25, Chandigarh, 160014, India
| | - Ritika Gupta
- National Agri-Food Biotechnology Institute (NABI), Sector-81, S.A.S. Nagar, Mohali, Punjab, India.
| | - Poonam Sagar
- National Agri-Food Biotechnology Institute (NABI), Sector-81, S.A.S. Nagar, Mohali, Punjab, India.
| | - Geetika Bajaj
- National Agri-Food Biotechnology Institute (NABI), Sector-81, S.A.S. Nagar, Mohali, Punjab, India.
- Department of Biotechnology, Panjab University, Sector 25, Chandigarh, 160014, India
| | - Binduma Yadav
- National Agri-Food Biotechnology Institute (NABI), Sector-81, S.A.S. Nagar, Mohali, Punjab, India.
- Regional Center for Biotechnology (RCB), Faridabad, 121001, India
| | - Vikas Rishi
- National Agri-Food Biotechnology Institute (NABI), Sector-81, S.A.S. Nagar, Mohali, Punjab, India.
| | - Bhupesh Goyal
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala 147004, Punjab, India.
| | - Ajay Kumar Srivastava
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, 226031, India.
- Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
| | - Nitin Kumar Singhal
- National Agri-Food Biotechnology Institute (NABI), Sector-81, S.A.S. Nagar, Mohali, Punjab, India.
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Kaur A, Soni PS, Kaur G, Soin D. Does the Capsule Method Increase the Accuracy of the Detection of Ger by Scintigraphy Technique? Indian J Nucl Med 2023; 38:245-248. [PMID: 38046975 PMCID: PMC10693365 DOI: 10.4103/ijnm.ijnm_178_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/27/2022] [Accepted: 01/25/2023] [Indexed: 12/05/2023] Open
Abstract
Background The scintigraphy technique is the most sensitive test for the detection of gastroesophageal reflux disease (GERD). Scintigraphy techniques employ two methods: the liquid method and the capsule method. Aim In this prospective study, we are trying to find out the efficiency of the capsule method for gastroesophageal reflux scintigraphy over the liquid method and to determine the ease of execution of the technique and the interpretation of the results. Materials and Methods A total of 65 symptomatic patients (age range: 7-71 years; mean age: 35.2 years) were included in the study. They were divided into two groups: group A, which included 18 patients who underwent the liquid method and Group B, which included 47 patients who underwent the capsule method. The average administered dose of 99mTc-labeled sulfur colloid was 11.1-18.5 MBq. Results The results showed that 45 (69.12%) of the 65 patients tested positive for GERD. Furthermore, 15 were positive in the liquid method and 30 in the capsule method. Grade III reflux was seen in 66.67% of patients, and 33.33% of patients with Grade II and I reflux were diagnosed using both methods. Conclusion Thus, in conclusion, we can say that both liquid and capsule methods are equally sensitive for the detection of low as well as high refluxate volumes.
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Affiliation(s)
- Amandeep Kaur
- Department of Nuclear Medicine, Guru Gobind Singh Medical College and Hospital, Faridkot, Punjab, India
| | - Pritam Singh Soni
- Department of Pediatrics and Medicine, Guru Gobind Singh Medical College and Hospital, Faridkot, Punjab, India
| | - Gurmeet Kaur
- Department of Pediatrics and Medicine, Guru Gobind Singh Medical College and Hospital, Faridkot, Punjab, India
| | - Divya Soin
- Department of Pediatrics and Medicine, Guru Gobind Singh Medical College and Hospital, Faridkot, Punjab, India
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Sandal S, Singh S, Bansal G, Kaur R, Mogilicherla K, Pandher S, Roy A, Kaur G, Rathore P, Kalia A. Nanoparticle-Shielded dsRNA Delivery for Enhancing RNAi Efficiency in Cotton Spotted Bollworm Earias vittella (Lepidoptera: Nolidae). Int J Mol Sci 2023; 24:ijms24119161. [PMID: 37298113 DOI: 10.3390/ijms24119161] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 05/15/2023] [Accepted: 05/18/2023] [Indexed: 06/12/2023] Open
Abstract
The spotted bollworm Earias vittella (Lepidoptera: Nolidae) is a polyphagous pest with enormous economic significance, primarily affecting cotton and okra. However, the lack of gene sequence information on this pest has a significant constraint on molecular investigations and the formulation of superior pest management strategies. An RNA-seq-based transcriptome study was conducted to alleviate such limitations, and de novo assembly was performed to obtain transcript sequences of this pest. Reference gene identification across E. vittella developmental stages and RNAi treatments were conducted using its sequence information, which resulted in identifying transcription elongation factor (TEF), V-type proton ATPase (V-ATPase), and Glyceraldehyde -3-phosphate dehydrogenase (GAPDH) as the most suitable reference genes for normalization in RT-qPCR-based gene expression studies. The present study also identified important developmental, RNAi pathway, and RNAi target genes and performed life-stage developmental expression analysis using RT-qPCR to select the optimal targets for RNAi. We found that naked dsRNA degradation in the E. vittella hemolymph is the primary reason for poor RNAi. A total of six genes including Juvenile hormone methyl transferase (JHAMT), Chitin synthase (CHS), Aminopeptidase (AMN), Cadherin (CAD), Alpha-amylase (AMY), and V-type proton ATPase (V-ATPase) were selected and knocked down significantly with three different nanoparticles encapsulated dsRNA conjugates, i.e., Chitosan-dsRNA, carbon quantum dots-dsRNA (CQD-dsRNA), and Lipofectamine-dsRNA conjugate. These results demonstrate that feeding nanoparticle-shielded dsRNA silences target genes and suggests that nanoparticle-based RNAi can efficiently manage this pest.
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Affiliation(s)
- Shelja Sandal
- Regional Research Station, Punjab Agricultural University, Faridkot 151203, Punjab, India
- Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala 140072, Punjab, India
| | - Satnam Singh
- Regional Research Station, Punjab Agricultural University, Faridkot 151203, Punjab, India
| | - Gulshan Bansal
- Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala 140072, Punjab, India
| | - Ramandeep Kaur
- Regional Research Station, Punjab Agricultural University, Faridkot 151203, Punjab, India
| | - Kanakachari Mogilicherla
- Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 21 Praha, Czech Republic
| | - Suneet Pandher
- Regional Research Station, Punjab Agricultural University, Faridkot 151203, Punjab, India
| | - Amit Roy
- Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 21 Praha, Czech Republic
| | - Gurmeet Kaur
- Regional Research Station, Punjab Agricultural University, Faridkot 151203, Punjab, India
| | - Pankaj Rathore
- Regional Research Station, Punjab Agricultural University, Faridkot 151203, Punjab, India
| | - Anu Kalia
- Electron Microscopy and Nanoscience Laboratory, Punjab Agricultural University, Ludhiana 141004, Punjab, India
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Gupta A, Kaur L, Kaur G. Drought stress detection technique for wheat crop using machine learning. PeerJ Comput Sci 2023; 9:e1268. [PMID: 37346648 PMCID: PMC10280683 DOI: 10.7717/peerj-cs.1268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 02/10/2023] [Indexed: 06/23/2023]
Abstract
The workflow of this research is based on numerous hypotheses involving the usage of pre-processing methods, wheat canopy segmentation methods, and whether the existing models from the past research can be adapted to classify wheat crop water stress. Hence, to construct an automation model for water stress detection, it was found that pre-processing operations known as total variation with L1 data fidelity term (TV-L1) denoising with a Primal-Dual algorithm and min-max contrast stretching are most useful. For wheat canopy segmentation curve fit based K-means algorithm (Cfit-kmeans) was also validated for the most accurate segmentation using intersection over union metric. For automated water stress detection, rapid prototyping of machine learning models revealed that there is a need only to explore nine models. After extensive grid search-based hyper-parameter tuning of machine learning algorithms and 10 K fold cross validation it was found that out of nine different machine algorithms tested, the random forest algorithm has the highest global diagnostic accuracy of 91.164% and is the most suitable for constructing water stress detection models.
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Affiliation(s)
- Ankita Gupta
- Computer Science and Engineering, Punjabi University, Patiala, Punjab, India
| | - Lakhwinder Kaur
- Computer Science and Engineering, Punjabi University, Patiala, Punjab, India
| | - Gurmeet Kaur
- Electronics and Communication Engineering, Punjabi University, Patiala, Punjab, India
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Gupta R, Singh V, Sarawagi N, Kaur G, Kaur R, Priyadarshi N, Rishi V, Goyal B, Mishra PP, Singhal NK. Salmonella typhimurium detection and ablation using OmpD specific aptamer with non-magnetic and magnetic graphene oxide. Biosens Bioelectron 2023; 234:115354. [PMID: 37126873 DOI: 10.1016/j.bios.2023.115354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 04/25/2023] [Accepted: 04/25/2023] [Indexed: 05/03/2023]
Abstract
Foodborne diseases have increased in the last few years due to the increased consumption of packaged and contaminated food. Major foodborne bacteria cause diseases such as diarrhea, vomiting, and sometimes death. So, there is a need for early detection of foodborne bacteria as pre-existing detection techniques are time-taking and tedious. Aptamer has gained interest due to its high stability, specificity, and sensitivity. Here, aptamer has been developed against Salmonella Typhimurium through the Cell-Selex method, and to further find the reason for specificity and sensitivity, OmpD protein was isolated, and binding studies were done. Single molecular FRET experiment using aptamer and graphene oxide studies has also been done to understand the mechanism of FRET and subsequently used for target bacterial detection. Using this assay, Salmonella Typhimurium can be detected up to 10 CFU/mL. Further, Magnetic Graphene oxide was used to develop an assay to separate and ablate bacteria using 808 nm NIR where temperature increase was more than 60 °C within 30 s and has been shown by plating as well as a confocal live dead assay. Thus, using various techniques, bacteria can be detected and ablated using specific aptamer and Graphene oxide.
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Affiliation(s)
- Ritika Gupta
- National Agri-Food Biotechnology Institute, Sector 81, Mohali, 140306, India; Department of Biotechnology, Panjab University, Sector 25, Chandigarh, 160014, India
| | - Vishal Singh
- National Agri-Food Biotechnology Institute, Sector 81, Mohali, 140306, India; ICMR-National Institute for Implementation Research on Non-Communicable Diseases, New Pali Road, Jodhpur, 342005, Rajasthan, India
| | - Nikita Sarawagi
- National Agri-Food Biotechnology Institute, Sector 81, Mohali, 140306, India
| | - Gurmeet Kaur
- Thapar Institute of Engineering and Technology, Bhadson Road, Patiala, 147004, Punjab, India
| | - Raminder Kaur
- National Agri-Food Biotechnology Institute, Sector 81, Mohali, 140306, India; Department of Biotechnology, Panjab University, Sector 25, Chandigarh, 160014, India
| | - Nitesh Priyadarshi
- National Agri-Food Biotechnology Institute, Sector 81, Mohali, 140306, India
| | - Vikas Rishi
- National Agri-Food Biotechnology Institute, Sector 81, Mohali, 140306, India
| | - Bhupesh Goyal
- Thapar Institute of Engineering and Technology, Bhadson Road, Patiala, 147004, Punjab, India.
| | - Padmaja P Mishra
- Saha Institute of Nuclear Physics, Bidhan Nagar, Kolkata, 700064, West Bengal, India; Homi Bhaba National Institute, Mumbai, 400094, Maharashtra, India.
| | - Nitin K Singhal
- National Agri-Food Biotechnology Institute, Sector 81, Mohali, 140306, India.
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Berberolli S, Collado-González M, González-Espinosa Y, Kaur G, Sahariah P, Goycoolea FM. Derivatized chitosan-oil-in-water nanocapsules for trans-cinnamaldehyde delivery. Int J Biol Macromol 2023; 240:124464. [PMID: 37062386 DOI: 10.1016/j.ijbiomac.2023.124464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 04/10/2023] [Accepted: 04/11/2023] [Indexed: 04/18/2023]
Abstract
trans-Cinnamaldehyde, known for its bacterial anti-quorum sensing activity when applied at sublethal concentrations, has gained traction given its potential use against multidrug resistant bacteria. In this work, trans-cinnamaldehyde-loaded oil-in-water nanocapsules coated with chitosan, N,N,N-trimethyl chitosan chloride, N-(2-(N,N,N-trimethylammoniumyl)acetyl) chitosan chloride or N-(6-(N,N,N-trimethylammoniumyl)hexanoyl)chitosan chloride were obtained. All the formulated nanocapsules showed a Z-average hydrodynamic diameter ~ 160 nm and ζ-potential higher than +40 mV. N,N,N-trimethyl chitosan-coated oil-in-water nanocapsules showed the greatest trans-cinnamaldehyde association efficiency (99.3 ± 7.6) % and total payload release (88.6 ± 22.5) %, while N-(6-(N,N,N-trimethylammoniumyl)hexanoyl)chitosan chloride chitosan-coated oil-in-water nanocapsules were the only formulations stable in phosphate buffer saline PBS (pH 7.4) upon incubation at 37 °C for 24 h. Future work should address the stability of the developed nanocapsules in culture media and their biological performance.
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Affiliation(s)
- Serena Berberolli
- Department of Biomolecular Science, University of Urbino, Carlo Bo, Piazza del Risnascimento, 6, 61029 Urbino, PU, Italy; School of Food Science and Nutrition, University of Leeds, Leeds LS2 9JT, UK
| | - Mar Collado-González
- School of Food Science and Nutrition, University of Leeds, Leeds LS2 9JT, UK; Department of Cell Biology and Histology, University of Murcia, 30100 Murcia, Spain.
| | | | - Gurmeet Kaur
- School of Food Science and Nutrition, University of Leeds, Leeds LS2 9JT, UK
| | - Priyanka Sahariah
- Biomedical Centre, University of Iceland, 16, Vatnsmýrarvegur, 101 Reykjavík, Iceland.
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12
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Gorrie N, Kaur G, Bart N, Girgis L, Kotlyar E. Turning Back The Clock; A Unique Case of Reversible Pulmonary Hypertension. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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13
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Kaur M, Muzzammel Rehman H, Kaur G, Kaur A, Bansal M. Switching of newly synthesized linker-based derivatives of non-steroidal anti-inflammatory drugs toward anti-inflammatory and anticancer activity. Bioorg Chem 2023; 133:106406. [PMID: 36773455 DOI: 10.1016/j.bioorg.2023.106406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/27/2023] [Accepted: 01/31/2023] [Indexed: 02/09/2023]
Abstract
A new series of linker-based derivatives of non-steroidal anti-inflammatory drugs were designed and synthesized. All the compounds were well characterized with the help of various spectroscopic techniques such as FT-IR, 1H NMR, 13C NMR, and HRMS. The main emphasis of this paper is to understand the switching of the most promising compounds 8 and 10 towards anti-inflammatory and anticancer activity in terms of in-silico and in-vitro studies in detail. During the molecular docking study, compounds 8 and 10 demonstrated the importance of hetero atoms as well as the perfect alignment of a compound in the binding pocket of a target site, which may affect their bioactivity. Here, the presence of 1,3‑dicarbonyl interactions with ASN 351 in compound 8 (not found in compound 10) may be responsible for its better inhibitory activity against the COX-2 target site. On the other hand, a slight increase in the potency of compound 10 towards anticancer activity may be due to the instantaneous participation of the OH group and carbonyl group to give conventional hydrogen bonds towards THR 149 amino acid residue, which was missing in compound 8. Molecular dynamics simulation was also performed for compounds 10 and 8 toward COX-2 and HER-2 protein sites. Further, compounds 8 and 10 were subjected to in-vitro COX-2 inhibition and cytotoxicity assay and the results obtained were in accordance with the in-silico study. Thus, compound 8 become more potent towards COX-2 inhibition with IC50 value of 48.51 µg/ml and compound 10 showed good bioactivity toward cytotoxic activity with IC50 value of 93.03 µg/ml.
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Affiliation(s)
- Mandeep Kaur
- Synthetic and Medicinal Chemistry Laboratory, Department of Chemistry, Punjabi University, Patiala 147002, India
| | - Hafiz Muzzammel Rehman
- School of Biochemistry and Biotechnology, University of the Punjab, Lahore, Punjab, Pakistan
| | - Gurmeet Kaur
- Synthetic and Medicinal Chemistry Laboratory, Department of Chemistry, Punjabi University, Patiala 147002, India
| | - Amandeep Kaur
- Synthetic and Medicinal Chemistry Laboratory, Department of Chemistry, Punjabi University, Patiala 147002, India
| | - Manisha Bansal
- Synthetic and Medicinal Chemistry Laboratory, Department of Chemistry, Punjabi University, Patiala 147002, India.
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14
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Lin JL, Kaur G, Iyer A, Chanda B. Functional characterization of gating polarity in CNBD channels across phylogenetically diverse species. Biophys J 2023; 122:245a. [PMID: 36783206 DOI: 10.1016/j.bpj.2022.11.1426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023] Open
Affiliation(s)
- Jenna L Lin
- Anesthesiology, Washington University St. Louis, St. Louis, MO, USA
| | - Gurmeet Kaur
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Aravind Iyer
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Baron Chanda
- Anesthesiology, Washington University St. Louis, St. Louis, MO, USA
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15
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Kaur G, Goyal B. Deciphering the Molecular Mechanism of Inhibition of β‐Secretase (BACE1) Activity by a 2‐Amino‐imidazol‐4‐one Derivative. ChemistrySelect 2022. [DOI: 10.1002/slct.202202561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Gurmeet Kaur
- School of Chemistry & Biochemistry Thapar Institute of Engineering & Technology Patiala 147004 Punjab India
| | - Bhupesh Goyal
- School of Chemistry & Biochemistry Thapar Institute of Engineering & Technology Patiala 147004 Punjab India
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16
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Cui Z, Castagna F, Hanif W, Apple S, Zhang L, Tauras J, Braunschweig I, Kaur G, Janakiram M, Wang Y, Fang Y, Pellikka PA, Garcia MJ, Shah N, Slipczuk L. Amyloidosis-related echo features and mortality in patients with multiple myeloma. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Background/Introduction
Patients with multiple myeloma (MM) are at increased risk of developing AL amyloidosis. It was determined by screening fat pad and bone marrow biopsy that 38% MM patients had amyloidosis at time of diagnosis and the majority were asymptomatic (1). However, whether amyloidosis-related echo features in MM affect survival remains unknown (1, 2).
Purpose
The goals of our study are to: 1) characterize prevalence of amyloidosis-related echo features in patients with multiple myeloma, 2) investigate whether decrease in longitudinal strain affect survival outcomes.
Methods
Patients diagnosed with MM between Jan 1, 2000 and Dec 31, 2017 at our institution were identified through Clinical Looking Glass. Those with echo within 1 year after myeloma diagnosis and left ventricular ejection fraction (LVEF) greater than 40% were included. Global longitudinal strain (GLS) and LVEF measurements were done using EchoGo (Ultromics, Oxford, UK). The average of GLS obtained from apical 4-chamber and apical 2-chamber views was used for analysis, with decreased GLS defined as absolute value less than 18%. Statistical analysis was conducted with STATA13, using Chi square test and Kruskal-Wallis for univariable analysis and Cox regression model for survival analysis.
Results
From a total cohort of 909 patients, 252 met inclusion criteria, of which 59 (23.4%) patients had decreased average GLS (see Table 1). Patients' mean age was 63±11 years, 44.8% were male and most were Black (42.7%) and the rest Hispanic (33.3%) and White (7.9%). Median follow up time was 4.25 years. The group with decreased GLS had lower percentage of females (22% vs 51.8%, p<0.01), higher percentage of previous MI (11.9% vs 1.6%, p<0.01) and more prior diagnosis of heart failure (20.3% vs 1.6%, p<0.01).
Among patients with decreased GLS, five-year mortality rate was 63.3% compared to 46.0% in those with preserved GLS (p<0.036). Median survival time was 3.9 years among those with reduced GLS and 4.3 years in those without (see Figure 1; p<0.01). Reduced GLS correlated with decreased survival (HR 1.6, p=0.03) even after adjusting for demographic variables (age, gender, race), history of MI, history of CHF, Charlson comorbidity index, myeloma RISS stage, and LVEF (≥50% vs 40–50%).
Forty-seven (18.6%) patients had end diastolic inter-ventricular septum (IVSd) thickness ≥1.2cm. Median GLS in patients with increased IVSd thickness was 19% compared to 21% in those without (p=0.01). Nine patients had the apical sparing strain pattern for amyloidosis.
Total of 158 patients had bone marrow specimen stained with Congo-red with 7 (4.4%) testing positive. Median GLS was 19% in the group staining positive for Congo-red compared 21% in the group with negative stain (p=0.03).
Conclusions
Decrease in GLS on baseline echo correlates with increased mortality in patients with MM and may be due to subclinical cardiac amyloidosis.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- Z Cui
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
| | - F Castagna
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
| | - W Hanif
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
| | - S Apple
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
| | - L Zhang
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
| | - J Tauras
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
| | - I Braunschweig
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
| | - G Kaur
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
| | - M Janakiram
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
| | - Y Wang
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
| | - Y Fang
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
| | - P A Pellikka
- Mayo Clinic , Rochester , United States of America
| | - M J Garcia
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
| | - N Shah
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
| | - L Slipczuk
- Montefiore Medical Center Albert Einstein College of Medicine , New York , United States of America
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17
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Schmideder S, Thurin L, Kaur G, Briesen H. Inline imaging reveals evolution of the size distribution and the concentration of microbubbles in dissolved air flotation. Water Res 2022; 224:119027. [PMID: 36099759 DOI: 10.1016/j.watres.2022.119027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 08/09/2022] [Accepted: 08/25/2022] [Indexed: 06/15/2023]
Abstract
Dissolved air flotation (DAF) is an efficient process to remove impurities from fresh or salt water. As the removal is based on the agglomeration of impurities on the generated microbubbles, the size distribution and concentration of air bubbles are key parameters in dissolved air flotation. However, the development of microbubbles in the whole flotation process remains unexplored. In this study, we show that state-of-the-art inline microscopy enables the image acquisition of bubbles in DAF. Based on image analysis, thousands of microbubbles (10-200 µm) were analyzed within 6-12 min experiments. Consequently, bubble size distributions and bubble concentrations can be determined with moderate effort. Bubble size distributions were measured in a lab-scale DAF comprising a saturation unit, a decompression valve in/after which the bubbles are formed, and the actual flotation tank. The state of the microbubbles is not only determined at different positions within the tank but also in the supply pipe from the decompression valve to the tank. All bubble size distributions were unimodal and can be described well with Burr XII distributions. For fresh water, bubble size increased while bubble concentration decreased along the supply pipe between the decompression valve and the inlet of the flotation tank, indicating bubble coalescence. Compared to freshwater, saltwater inhibited this bubble coalescence in the pipe. Within the flotation tank, the bubble size did not change drastically for neither salt- nor freshwater. However, the bubble concentration decreased for both waters, which could be explained by dilution effects. Our results demonstrate that the developed inline method is a promising tool to study the evolution of microbubbles in flotation systems. Further, it might also be applied to investigate microbubbles in other processes such as fermentation, decomposition of organic compounds, and fouling mitigation in membranes.
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Affiliation(s)
- Stefan Schmideder
- School of Life Sciences Weihenstephan, Chair of Process Systems Engineering, Technical University of Munich, Gregor-Mendel-Str. 4, Freising 85354, Germany.
| | - Lorenz Thurin
- School of Life Sciences Weihenstephan, Chair of Process Systems Engineering, Technical University of Munich, Gregor-Mendel-Str. 4, Freising 85354, Germany
| | - Gurmeet Kaur
- School of Life Sciences Weihenstephan, Chair of Process Systems Engineering, Technical University of Munich, Gregor-Mendel-Str. 4, Freising 85354, Germany
| | - Heiko Briesen
- School of Life Sciences Weihenstephan, Chair of Process Systems Engineering, Technical University of Munich, Gregor-Mendel-Str. 4, Freising 85354, Germany
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18
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Singh Brar G, Singh S, Nath Shukla J, Kumar V, Emyr Davies TG, Kaur G, Pandher S, Kaur R. doublesex homolog is sex-specifically spliced and governs the sexual differentiation process in the whitefly Bemisia tabaci biotype AsiaII-1. Gene 2022; 850:146929. [DOI: 10.1016/j.gene.2022.146929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 09/20/2022] [Accepted: 09/26/2022] [Indexed: 10/14/2022]
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19
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Al-Sabbagh A, Alseifi S, Kaur G. EP-555 The telescoping sigmoid – a rare presentation of acute large bowel obstruction. Br J Surg 2022. [DOI: 10.1093/bjs/znac245.130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Abstract
Background
Adult bowel intussusception is a rare cause of bowel obstruction (1–5%) and requires urgent treatment, usually emergency surgery.
Aim
We wish to highlight the diagnosis and management of the rare entity of acute bowel obstruction secondary to intussusception with our adult patient with sigmoid colon intussusception.
Case presentation
We present a 65 years old male who attended with constipation, abdominal discomfort and per-rectal bleeding. Clinical examination revealed multiple subcutaneous lipomas, mild LUQ tenderness and large ‘lump’ 10 cm from anal verge on rigid sigmoidoscopy. CT abdomen/pelvis showed intussusception of the sigmoid into the rectum with a large ‘polyp’ as the lead point. On- table Flexible sigmoidoscopy was unsuccessful in reducing the intussusception. We proceeded to laparotomy with reduction of intussusception, high anterior resection with end- to- end stapled anastomosis. He made an excellent recovery. Post-operative histology which was reviewed in detail in MDT did not reveal any neoplastic/lipomatous lesion to account for the intussusception. The patient was very well on outpatient review.
Conclusion
Adult bowel intussusception is rare (5% of all intussusceptions), especially in the left colon. When it does occur, it is usually secondary to lipoma, neoplasm, or nodal mass acting as a lead point. These patients can be diagnostically challenging due to lack of clear obstructive symptoms on presentation. Early diagnosis (via a CT scan) and treatment of adult colonic intussusception (usually via surgery) is necessary to avoid serious complications such as bowel perforation/peritonitis. Postoperative histology review is also imperative to plan any appropriate further management.
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Affiliation(s)
| | | | - G Kaur
- Scunthorpe General Hospital
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20
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Kouli O, Murray V, Bhatia S, Cambridge WA, Kawka M, Shafi S, Knight SR, Kamarajah SK, McLean KA, Glasbey JC, Khaw RA, Ahmed W, Akhbari M, Baker D, Borakati A, Mills E, Thavayogan R, Yasin I, Raubenheimer K, Ridley W, Sarrami M, Zhang G, Egoroff N, Pockney P, Richards T, Bhangu A, Creagh-Brown B, Edwards M, Harrison EM, Lee M, Nepogodiev D, Pinkney T, Pearse R, Smart N, Vohra R, Sohrabi C, Jamieson A, Nguyen M, Rahman A, English C, Tincknell L, Kakodkar P, Kwek I, Punjabi N, Burns J, Varghese S, Erotocritou M, McGuckin S, Vayalapra S, Dominguez E, Moneim J, Salehi M, Tan HL, Yoong A, Zhu L, Seale B, Nowinka Z, Patel N, Chrisp B, Harris J, Maleyko I, Muneeb F, Gough M, James CE, Skan O, Chowdhury A, Rebuffa N, Khan H, Down B, Fatimah Hussain Q, Adams M, Bailey A, Cullen G, Fu YXJ, McClement B, Taylor A, Aitken S, Bachelet B, Brousse de Gersigny J, Chang C, Khehra B, Lahoud N, Lee Solano M, Louca M, Rozenbroek P, Rozitis E, Agbinya N, Anderson E, Arwi G, Barry I, Batchelor C, Chong T, Choo LY, Clark L, Daniels M, Goh J, Handa A, Hanna J, Huynh L, Jeon A, Kanbour A, Lee A, Lee J, Lee T, Leigh J, Ly D, McGregor F, Moss J, Nejatian M, O'Loughlin E, Ramos I, Sanchez B, Shrivathsa A, Sincari A, Sobhi S, Swart R, Trimboli J, Wignall P, Bourke E, Chong A, Clayton S, Dawson A, Hardy E, Iqbal R, Le L, Mao S, Marinelli I, Metcalfe H, Panicker D, R HH, Ridgway S, Tan HH, Thong S, Van M, Woon S, Woon-Shoo-Tong XS, Yu S, Ali K, Chee J, Chiu C, Chow YW, Duller A, Nagappan P, Ng S, Selvanathan M, Sheridan C, Temple M, Do JE, Dudi-Venkata NN, Humphries E, Li L, Mansour LT, Massy-Westropp C, Fang B, Farbood K, Hong H, Huang Y, Joan M, Koh C, Liu YHA, Mahajan T, Muller E, Park R, Tanudisastro M, Wu JJG, Chopra P, Giang S, Radcliffe S, Thach P, Wallace D, Wilkes A, Chinta SH, Li J, Phan J, Rahman F, Segaran A, Shannon J, Zhang M, Adams N, Bonte A, Choudhry A, Colterjohn N, Croyle JA, Donohue J, Feighery A, Keane A, McNamara D, Munir K, Roche D, Sabnani R, Seligman D, Sharma S, Stickney Z, Suchy H, Tan R, Yordi S, Ahmed I, Aranha M, El Sabawy D, Garwood P, Harnett M, Holohan R, Howard R, Kayyal Y, Krakoski N, Lupo M, McGilberry W, Nepon H, Scoleri Y, Urbina C, Ahmad Fuad MF, Ahmed O, Jaswantlal D, Kelly E, Khan MHT, Naidu D, Neo WX, O'Neill R, Sugrue M, Abbas JD, Abdul-Fattah S, Azlan A, Barry K, Idris NS, Kaka N, Mc Dermott D, Mohammad Nasir MN, Mozo M, Rehal A, Shaikh Yousef M, Wong RH, Curran E, Gardner M, Hogan A, Julka R, Lasser G, Ní Chorráin N, Ting J, Browne R, George S, Janjua Z, Leung Shing V, Megally M, Murphy S, Ravenscroft L, Vedadi A, Vyas V, Bryan A, Sheikh A, Ubhi J, Vannelli K, Vawda A, Adeusi L, Doherty C, Fitzgerald C, Gallagher H, Gill P, Hamza H, Hogan M, Kelly S, Larry J, Lynch P, Mazeni NA, O'Connell R, O'Loghlin R, Singh K, Abbas Syed R, Ali A, Alkandari B, Arnold A, Arora E, Azam R, Breathnach C, Cheema J, Compton M, Curran S, Elliott JA, Jayasamraj O, Mohammed N, Noone A, Pal A, Pandey S, Quinn P, Sheridan R, Siew L, Tan EP, Tio SW, Toh VTR, Walsh M, Yap C, Yassa J, Young T, Agarwal N, Almoosawy SA, Bowen K, Bruce D, Connachan R, Cook A, Daniell A, Elliott M, Fung HKF, Irving A, Laurie S, Lee YJ, Lim ZX, Maddineni S, McClenaghan RE, Muthuganesan V, Ravichandran P, Roberts N, Shaji S, Solt S, Toshney E, Arnold C, Baker O, Belais F, Bojanic C, Byrne M, Chau CYC, De Soysa S, Eldridge M, Fairey M, Fearnhead N, Guéroult A, Ho JSY, Joshi K, Kadiyala N, Khalid S, Khan F, Kumar K, Lewis E, Magee J, Manetta-Jones D, Mann S, McKeown L, Mitrofan C, Mohamed T, Monnickendam A, Ng AYKC, Ortu A, Patel M, Pope T, Pressling S, Purohit K, Saji S, Shah Foridi J, Shah R, Siddiqui SS, Surman K, Utukuri M, Varghese A, Williams CYK, Yang JJ, Billson E, Cheah E, Holmes P, Hussain S, Murdock D, Nicholls A, Patel P, Ramana G, Saleki M, Spence H, Thomas D, Yu C, Abousamra M, Brown C, Conti I, Donnelly A, Durand M, French N, Goan R, O'Kane E, Rubinchik P, Gardiner H, Kempf B, Lai YL, Matthews H, Minford E, Rafferty C, Reid C, Sheridan N, Al Bahri T, Bhoombla N, Rao BM, Titu L, Chatha S, Field C, Gandhi T, Gulati R, Jha R, Jones Sam MT, Karim S, Patel R, Saunders M, Sharma K, Abid S, Heath E, Kurup D, Patel A, Ali M, Cresswell B, Felstead D, Jennings K, Kaluarachchi T, Lazzereschi L, Mayson H, Miah JE, Reinders B, Rosser A, Thomas C, Williams H, Al-Hamid Z, Alsadoun L, Chlubek M, Fernando P, Gaunt E, Gercek Y, Maniar R, Ma R, Matson M, Moore S, Morris A, Nagappan PG, Ratnayake M, Rockall L, Shallcross O, Sinha A, Tan KE, Virdee S, Wenlock R, Donnelly HA, Ghazal R, Hughes I, Liu X, McFadden M, Misbert E, Mogey P, O'Hara A, Peace C, Rainey C, Raja P, Salem M, Salmon J, Tan CH, Alves D, Bahl S, Baker C, Coulthurst J, Koysombat K, Linn T, Rai P, Sharma A, Shergill A, Ahmed M, Ahmed S, Belk LH, Choudhry H, Cummings D, Dixon Y, Dobinson C, Edwards J, Flint J, Franco Da Silva C, Gallie R, Gardener M, Glover T, Greasley M, Hatab A, Howells R, Hussey T, Khan A, Mann A, Morrison H, Ng A, Osmond R, Padmakumar N, Pervaiz F, Prince R, Qureshi A, Sawhney R, Sigurdson B, Stephenson L, Vora K, Zacken A, Cope P, Di Traglia R, Ferarrio I, Hackett N, Healicon R, Horseman L, Lam LI, Meerdink M, Menham D, Murphy R, Nimmo I, Ramaesh A, Rees J, Soame R, Dilaver N, Adebambo D, Brown E, Burt J, Foster K, Kaliyappan L, Knight P, Politis A, Richardson E, Townsend J, Abdi M, Ball M, Easby S, Gill N, Ho E, Iqbal H, Matthews M, Nubi S, Nwokocha JO, Okafor I, Perry G, Sinartio B, Vanukuru N, Walkley D, Welch T, Yates J, Yeshitila N, Bryans K, Campbell B, Gray C, Keys R, Macartney M, Chamberlain G, Khatri A, Kucheria A, Lee STP, Reese G, Roy choudhury J, Tan WYR, Teh JJ, Ting A, Kazi S, Kontovounisios C, Vutipongsatorn K, Amarnath T, Balasubramanian N, Bassett E, Gurung P, Lim J, Panjikkaran A, Sanalla A, Alkoot M, Bacigalupo V, Eardley N, Horton M, Hurry A, Isti C, Maskell P, Nursiah K, Punn G, Salih H, Epanomeritakis E, Foulkes A, Henderson R, Johnston E, McCullough H, McLarnon M, Morrison E, Cheung A, Cho SH, Eriksson F, Hedges J, Low Z, May C, Musto L, Nagi S, Nur S, Salau E, Shabbir S, Thomas MC, Uthayanan L, Vig S, Zaheer M, Zeng G, Ashcroft-Quinn S, Brown R, Hayes J, McConville R, French R, Gilliam A, Sheetal S, Shehzad MU, Bani W, Christie I, Franklyn J, Khan M, Russell J, Smolarek S, Varadarassou R, Ahmed SK, Narayanaswamy S, Sealy J, Shah M, Dodhia V, Manukyan A, O'Hare R, Orbell J, Chung I, Forenc K, Gupta A, Agarwal A, Al Dabbagh A, Bennewith R, Bottomley J, Chu TSM, Chu YYA, Doherty W, Evans B, Hainsworth P, Hosfield T, Li CH, McCullagh I, Mehta A, Thaker A, Thompson B, Virdi A, Walker H, Wilkins E, Dixon C, Hassan MR, Lotca N, Tong KS, Batchelor-Parry H, Chaudhari S, Harris T, Hooper J, Johnson C, Mulvihill C, Nayler J, Olutobi O, Piramanayagam B, Stones K, Sussman M, Weaver C, Alam F, Al Rawi M, Andrew F, Arrayeh A, Azizan N, Hassan A, Iqbal Z, John I, Jones M, Kalake O, Keast M, Nicholas J, Patil A, Powell K, Roberts P, Sabri A, Segue AK, Shah A, Shaik Mohamed SA, Shehadeh A, Shenoy S, Tong A, 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Evaluation of prognostic risk models for postoperative pulmonary complications in adult patients undergoing major abdominal surgery: a systematic review and international external validation cohort study. Lancet Digit Health 2022; 4:e520-e531. [PMID: 35750401 DOI: 10.1016/s2589-7500(22)00069-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 01/07/2022] [Accepted: 04/06/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Stratifying risk of postoperative pulmonary complications after major abdominal surgery allows clinicians to modify risk through targeted interventions and enhanced monitoring. In this study, we aimed to identify and validate prognostic models against a new consensus definition of postoperative pulmonary complications. METHODS We did a systematic review and international external validation cohort study. The systematic review was done in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We searched MEDLINE and Embase on March 1, 2020, for articles published in English that reported on risk prediction models for postoperative pulmonary complications following abdominal surgery. External validation of existing models was done within a prospective international cohort study of adult patients (≥18 years) undergoing major abdominal surgery. Data were collected between Jan 1, 2019, and April 30, 2019, in the UK, Ireland, and Australia. Discriminative ability and prognostic accuracy summary statistics were compared between models for the 30-day postoperative pulmonary complication rate as defined by the Standardised Endpoints in Perioperative Medicine Core Outcome Measures in Perioperative and Anaesthetic Care (StEP-COMPAC). Model performance was compared using the area under the receiver operating characteristic curve (AUROCC). FINDINGS In total, we identified 2903 records from our literature search; of which, 2514 (86·6%) unique records were screened, 121 (4·8%) of 2514 full texts were assessed for eligibility, and 29 unique prognostic models were identified. Nine (31·0%) of 29 models had score development reported only, 19 (65·5%) had undergone internal validation, and only four (13·8%) had been externally validated. Data to validate six eligible models were collected in the international external validation cohort study. Data from 11 591 patients were available, with an overall postoperative pulmonary complication rate of 7·8% (n=903). None of the six models showed good discrimination (defined as AUROCC ≥0·70) for identifying postoperative pulmonary complications, with the Assess Respiratory Risk in Surgical Patients in Catalonia score showing the best discrimination (AUROCC 0·700 [95% CI 0·683-0·717]). INTERPRETATION In the pre-COVID-19 pandemic data, variability in the risk of pulmonary complications (StEP-COMPAC definition) following major abdominal surgery was poorly described by existing prognostication tools. To improve surgical safety during the COVID-19 pandemic recovery and beyond, novel risk stratification tools are required. FUNDING British Journal of Surgery Society.
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Das A, De T, Kaur G, Dosta M, Heinrich S, Kumar J. An efficient multiscale bi-directional PBM-DEM coupling framework to simulate one-dimensional aggregation mechanisms. Proc Math Phys Eng Sci 2022. [DOI: 10.1098/rspa.2022.0076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The mesoscale population balance modelling (PBM) technique is widely used in predicting aggregation processes. The accuracy and efficiency of PBM depend on the formulation of its kernels. A model of the volume- and time-dependent one-dimensional aggregation kernel is developed for predicting the temporal evolution of the considered particulate system. To make the developed model physically relevant, the PBM model needs three unknown parameters as input: volume-dependency in collisions, collision frequency per particle and aggregation probability. For this, the microscale discrete element model (DEM) is used. The system’s collision frequency is extracted periodically using a novel collision detection algorithm that detects and ignores duplicate collisions.
Finally, a multiscale bi-directional PBM–DEM coupling framework is presented to simulate the aggregation mechanism. PBM and DEM simulations take place periodically to update the particle size distribution (PSD) and extract the collision-frequency, respectively. The coupling framework successfully explains the dependence between the PSD and the collision frequency. Additionally, computational cost of the algorithm is optimized while maintaining the accuracy of the results. Lastly, the accuracy and efficiency of the developed framework are verified using two different test cases. In one of the examples, a simple aggregation is simulated directly inside the DEM for the first time.
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Affiliation(s)
- Ashok Das
- Department of Mathematics, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Tarun De
- Department of Mathematics, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Gurmeet Kaur
- Department of Mathematics, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Maksym Dosta
- Institute of Solids Process Engineering and Particle Technology, Hamburg University of Technology, Hamburg 21073, Germany
| | - Stefan Heinrich
- Institute of Solids Process Engineering and Particle Technology, Hamburg University of Technology, Hamburg 21073, Germany
| | - Jitendra Kumar
- Department of Mathematics, Indian Institute of Technology Ropar, Rupnagar, Punjab 140001, India
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Greer P, Dempsey C, Kaur G, Zwan B, Kandasamy K, Calvo-Ortega J, Ostwald P. OC-0618 Comprehensive 3D verification of SRS treatments with virtual spherical phantom EPID dosimetry. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)02640-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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McCarron K, Kaur G, Kasmani I. Are we ‘prescribing’ MCAs correctly? A mixed method study investigating the appropriateness of MCAs initiated from hospitals within a large NHS trust. International Journal of Pharmacy Practice 2022. [DOI: 10.1093/ijpp/riac019.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Introduction
Medication non-adherence is a significant public health issue and a drain on NHS resources, therefore an important issue for patients, policy makers and healthcare professionals. Non-adherence results in poorer health outcomes and increased hospital admissions (1). Multi-compartment compliance aids (MCAs) are being utilised as a ‘cure all’ for all causes of non-adherence when an evidence base for overall benefit is sparse. Evidence highlights that MCA introduction may only be beneficial in a few select cohorts (2).
Aim
The study aim was to assess the appropriateness and patients’ opinions of newly initiated MCAs for patients over 65 in hospital.
Methods
A retrospective longitudinal cohort study investigated patients (≥65 years) newly initiated on MCAs in hospital. Ward-based pharmacists identified new MCA initiations between October 2020 and March 2021 across four hospital sites in a large NHS trust. Factor analysis of the data was used to identify the rationale and appropriateness of MCA initiation using UK-based assessment toolkits (NHS Tayside and ‘All in Order’ criteria by the University of East Anglia).
Semi-structured interviews were conducted in a sample of patients prospectively via questionnaire. Interviews focussed on patients’ confidence managing their medications, ability to recall their medication regime and their opinions of MCA initiation into their care.
Results
Thirty new MCA initiations were identified during the data collection period with 87% (n=26) identified as inappropriate initiations according to UK-based assessment tools. Only one initiation was found to have a formal MCA assessment undertaken. Approximately two-thirds of MCAs were initiated for the introduction of home-carers via social care (67%; n=20). The next most common reasons for initiation were family requests (13%; n=4) and perceived cognitive impairment by healthcare professionals (13%; n=4), with a further 2 MCAs initiated for mobility issues (n=1) and lack of confidence (n=1). Over a third of MCA initiations (37 %; n=11) were prescribed <4 medications. Healthcare professional initiation requests commonly came from occupational therapists (37%; n=11); however, only 18% (n=2) of these were found to be appropriate. Overall, patient opinions on MCAs varied. Those with less confidence in their medicines were more in favour of their initiation; however, those more involved and understanding of their medication regime were less accepting of MCA introduction.
Conclusion
A significant number of MCAs are being started for inappropriate reasons according to validated UK toolkits e.g. initiations for social care input, lack of polypharmacy and family request. Only one initiation was linked to a documented formal assessment implying further guidance and training is required for the multidisciplinary team to ensure appropriate, evidence-based provision of MCAs. Involving the patient/carer as part of a patient- centred care assessment is essential to ensure there is understanding of how to use an MCA and to reduce unwarranted ‘over-prescribing’ of MCAs to inappropriate patient groups. Individual patient -centred assessments may combat perceived medication non-adherence as having a ‘catch all’ solution. The small sample size of this study limits the ability to draw firm conclusions, especially regarding patient opinions on MCAs.
References
(1) Watson SJ, Aldus CF, Bond C, Bhattacharya D. Systematic review of the health and societal effects of medication organisation devices. BMC health services research. 2016 Dec;16(1):1-3.
(2) Mahtani KR, Heneghan CJ, Glasziou PP, Perera R. Reminder packaging for improving adherence to self-administered long-term medications. Cochrane Database of Systematic Reviews. 2011(9).
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Affiliation(s)
- K McCarron
- Pharmacy Department, Glasgow Royal Infirmary, Glasgow, United Kingdom
| | - G Kaur
- Pharmacy Department, Glasgow Royal Infirmary, Glasgow, United Kingdom
| | - I Kasmani
- Pharmacy Department, Glasgow Royal Infirmary, Glasgow, United Kingdom
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24
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Kumarasamy G, Kaur G. Protein biomarkers in gynecological cancers: The need for translational research towards clinical applications. Clínica e Investigación en Ginecología y Obstetricia 2022. [DOI: 10.1016/j.gine.2021.100735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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25
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Gupta A, Bhowmik D, Kaur G, Yadav R, Bagchi S. POS-241 FRAILTY: COROLLARY OR CAUSALITY OF MALNUTRITION. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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26
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Brar GS, Kaur G, Singh S, Shukla J, Pandher S. Identification and validation of stage-specific reference genes for gene expression analysis in Callosobruchus maculatus (Coleoptera: Bruchidae). Gene Expr Patterns 2022; 43:119233. [DOI: 10.1016/j.gep.2022.119233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 02/02/2022] [Accepted: 02/02/2022] [Indexed: 11/26/2022]
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Adhikari P, Ajaj R, Auty D, Bina C, Bonivento W, Boulay M, Cadeddu M, Cai B, Cárdenas-Montes M, Cavuoti S, Chen Y, Cleveland B, Corning J, Daugherty S, DelGobbo P, Di Stefano P, Doria L, Dunford M, Erlandson A, Farahani S, Fatemighomi N, Fiorillo G, Gallacher D, Garcés E, García Abia P, Garg S, Giampa P, Goeldi D, Gorel P, Graham K, Grobov A, Hallin A, Hamstra M, Hugues T, Ilyasov A, Joy A, Jigmeddorj B, Jillings C, Kamaev O, Kaur G, Kemp A, Kochanek I, Kuźniak M, Lai M, Langrock S, Lehnert B, Levashko N, Li X, Litvinov O, Lock J, Longo G, Machulin I, McDonald A, McElroy T, McLaughlin J, Mielnichuk C, Monroe J, Oliviéro G, Pal S, Peeters S, Pesudo V, Piro MC, Pollmann T, Rand E, Rethmeier C, Retière F, Rodríguez-García I, Roszkowski L, Sanchez García E, Sánchez-Pastor T, Santorelli R, Sinclair D, Skensved P, Smith B, Smith N, Sonley T, Stainforth R, Stringer M, Sur B, Vázquez-Jáuregui E, Viel S, Vincent A, Walding J, Waqar M, Ward M, Westerdale S, Willis J, Zuñiga-Reyes A. Erratum: Constraints on dark matter-nucleon effective couplings in the presence of kinematically distinct halo substructures using the DEAP-3600 detector [Phys. Rev. D
102
, 082001 (2020)]. Int J Clin Exp Med 2022. [DOI: 10.1103/physrevd.105.029901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Adhikari P, Ajaj R, Alpízar-Venegas M, Auty DJ, Benmansour H, Bina CE, Bonivento W, Boulay MG, Cadeddu M, Cai B, Cárdenas-Montes M, Cavuoti S, Chen Y, Cleveland BT, Corning JM, Daugherty S, DelGobbo P, Di Stefano P, Doria L, Dunford M, Ellingwood E, Erlandson A, Farahani SS, Fatemighomi N, Fiorillo G, Gallacher D, García Abia P, Garg S, Giampa P, Goeldi D, Gorel P, Graham K, Grobov A, Hallin AL, Hamstra M, Hugues T, Ilyasov A, Joy A, Jigmeddorj B, Jillings CJ, Kamaev O, Kaur G, Kemp A, Kochanek I, Kuźniak M, Lai M, Langrock S, Lehnert B, Leonhardt A, Levashko N, Li X, Lissia M, Litvinov O, Lock J, Longo G, Machulin I, McDonald AB, McElroy T, McLaughlin JB, Mielnichuk C, Mirasola L, Monroe J, Oliviéro G, Pal S, Peeters SJM, Perry M, Pesudo V, Picciau E, Piro MC, Pollmann TR, Raj N, Rand ET, Rethmeier C, Retière F, Rodríguez-García I, Roszkowski L, Ruhland JB, Sanchez García E, Sánchez-Pastor T, Santorelli R, Seth S, Sinclair D, Skensved P, Smith B, Smith NJT, Sonley T, Stainforth R, Stringer M, Sur B, Vázquez-Jáuregui E, Viel S, Walding J, Waqar M, Ward M, Westerdale S, Willis J, Zuñiga-Reyes A. First Direct Detection Constraints on Planck-Scale Mass Dark Matter with Multiple-Scatter Signatures Using the DEAP-3600 Detector. Phys Rev Lett 2022; 128:011801. [PMID: 35061499 DOI: 10.1103/physrevlett.128.011801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/15/2021] [Accepted: 11/16/2021] [Indexed: 06/14/2023]
Abstract
Dark matter with Planck-scale mass (≃10^{19} GeV/c^{2}) arises in well-motivated theories and could be produced by several cosmological mechanisms. A search for multiscatter signals from supermassive dark matter was performed with a blind analysis of data collected over a 813 d live time with DEAP-3600, a 3.3 t single-phase liquid argon-based detector at SNOLAB. No candidate signals were observed, leading to the first direct detection constraints on Planck-scale mass dark matter. Leading limits constrain dark matter masses between 8.3×10^{6} and 1.2×10^{19} GeV/c^{2}, and ^{40}Ar-scattering cross sections between 1.0×10^{-23} and 2.4×10^{-18} cm^{2}. These results are interpreted as constraints on composite dark matter models with two different nucleon-to-nuclear cross section scalings.
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Affiliation(s)
- P Adhikari
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - R Ajaj
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - M Alpízar-Venegas
- Instituto de Física, Universidad Nacional Autónoma de México, A.P. 20-364, México D.F. 01000, México
| | - D J Auty
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2R3, Canada
| | - H Benmansour
- Department of Physics, Engineering Physics, and Astronomy, Queen's University, Kingston, Ontario, K7L 3N6, Canada
| | - C E Bina
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2R3, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | | | - M G Boulay
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - M Cadeddu
- Physics Department, Università degli Studi di Cagliari, Cagliari 09042, Italy
- INFN Cagliari, Cagliari 09042, Italy
| | - B Cai
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - M Cárdenas-Montes
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, Madrid 28040, Spain
| | - S Cavuoti
- Physics Department, Università degli Studi "Federico II" di Napoli, Napoli 80126, Italy
- Astronomical Observatory of Capodimonte, Salita Moiariello 16, I-80131 Napoli, Italy
- INFN Napoli, Napoli 80126, Italy
| | - Y Chen
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2R3, Canada
| | - B T Cleveland
- Department of Physics and Astronomy, Laurentian University, Sudbury, Ontario, P3E 2C6, Canada
- SNOLAB, Lively, Ontario, P3Y 1N2, Canada
| | - J M Corning
- Department of Physics, Engineering Physics, and Astronomy, Queen's University, Kingston, Ontario, K7L 3N6, Canada
| | - S Daugherty
- Department of Physics and Astronomy, Laurentian University, Sudbury, Ontario, P3E 2C6, Canada
| | - P DelGobbo
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - P Di Stefano
- Department of Physics, Engineering Physics, and Astronomy, Queen's University, Kingston, Ontario, K7L 3N6, Canada
| | - L Doria
- PRISMA+, Cluster of Excellence and Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, 55128 Mainz, Germany
| | - M Dunford
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - E Ellingwood
- Department of Physics, Engineering Physics, and Astronomy, Queen's University, Kingston, Ontario, K7L 3N6, Canada
| | - A Erlandson
- Canadian Nuclear Laboratories, Chalk River, Ontario, K0J 1J0, Canada
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - S S Farahani
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2R3, Canada
| | - N Fatemighomi
- Royal Holloway University London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom
- SNOLAB, Lively, Ontario, P3Y 1N2, Canada
| | - G Fiorillo
- Physics Department, Università degli Studi "Federico II" di Napoli, Napoli 80126, Italy
- INFN Napoli, Napoli 80126, Italy
| | - D Gallacher
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - P García Abia
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, Madrid 28040, Spain
| | - S Garg
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - P Giampa
- TRIUMF, Vancouver, British Columbia, V6T 2A3, Canada
| | - D Goeldi
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - P Gorel
- Department of Physics and Astronomy, Laurentian University, Sudbury, Ontario, P3E 2C6, Canada
- SNOLAB, Lively, Ontario, P3Y 1N2, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - K Graham
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - A Grobov
- National Research Centre Kurchatov Institute, Moscow 123182, Russia
- National Research Nuclear University MEPhI, Moscow 115409, Russia
| | - A L Hallin
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2R3, Canada
| | - M Hamstra
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - T Hugues
- AstroCeNT, Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Rektorska 4, 00-614 Warsaw, Poland
| | - A Ilyasov
- National Research Centre Kurchatov Institute, Moscow 123182, Russia
- National Research Nuclear University MEPhI, Moscow 115409, Russia
| | - A Joy
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2R3, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - B Jigmeddorj
- Canadian Nuclear Laboratories, Chalk River, Ontario, K0J 1J0, Canada
| | - C J Jillings
- Department of Physics and Astronomy, Laurentian University, Sudbury, Ontario, P3E 2C6, Canada
- SNOLAB, Lively, Ontario, P3Y 1N2, Canada
| | - O Kamaev
- Canadian Nuclear Laboratories, Chalk River, Ontario, K0J 1J0, Canada
| | - G Kaur
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - A Kemp
- Department of Physics, Engineering Physics, and Astronomy, Queen's University, Kingston, Ontario, K7L 3N6, Canada
- Royal Holloway University London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom
| | - I Kochanek
- INFN Laboratori Nazionali del Gran Sasso, Assergi (AQ) 67100, Italy
| | - M Kuźniak
- AstroCeNT, Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Rektorska 4, 00-614 Warsaw, Poland
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - M Lai
- Physics Department, Università degli Studi di Cagliari, Cagliari 09042, Italy
- INFN Cagliari, Cagliari 09042, Italy
| | - S Langrock
- Department of Physics and Astronomy, Laurentian University, Sudbury, Ontario, P3E 2C6, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - B Lehnert
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - A Leonhardt
- Department of Physics, Technische Universität München, 80333 Munich, Germany
| | - N Levashko
- National Research Centre Kurchatov Institute, Moscow 123182, Russia
- National Research Nuclear University MEPhI, Moscow 115409, Russia
| | - X Li
- Physics Department, Princeton University, Princeton, New Jersey 08544, USA
| | - M Lissia
- INFN Cagliari, Cagliari 09042, Italy
| | - O Litvinov
- TRIUMF, Vancouver, British Columbia, V6T 2A3, Canada
| | - J Lock
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - G Longo
- Physics Department, Università degli Studi "Federico II" di Napoli, Napoli 80126, Italy
- INFN Napoli, Napoli 80126, Italy
| | - I Machulin
- National Research Centre Kurchatov Institute, Moscow 123182, Russia
- National Research Nuclear University MEPhI, Moscow 115409, Russia
| | - A B McDonald
- Department of Physics, Engineering Physics, and Astronomy, Queen's University, Kingston, Ontario, K7L 3N6, Canada
| | - T McElroy
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2R3, Canada
| | - J B McLaughlin
- Royal Holloway University London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom
- TRIUMF, Vancouver, British Columbia, V6T 2A3, Canada
| | - C Mielnichuk
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2R3, Canada
| | - L Mirasola
- Physics Department, Università degli Studi di Cagliari, Cagliari 09042, Italy
| | - J Monroe
- Royal Holloway University London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom
| | - G Oliviéro
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - S Pal
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2R3, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - S J M Peeters
- University of Sussex, Sussex House, Brighton, East Sussex BN1 9RH, United Kingdom
| | - M Perry
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - V Pesudo
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, Madrid 28040, Spain
| | - E Picciau
- Physics Department, Università degli Studi di Cagliari, Cagliari 09042, Italy
- INFN Cagliari, Cagliari 09042, Italy
| | - M-C Piro
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2R3, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - T R Pollmann
- Department of Physics, Technische Universität München, 80333 Munich, Germany
| | - N Raj
- TRIUMF, Vancouver, British Columbia, V6T 2A3, Canada
| | - E T Rand
- Canadian Nuclear Laboratories, Chalk River, Ontario, K0J 1J0, Canada
| | - C Rethmeier
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - F Retière
- TRIUMF, Vancouver, British Columbia, V6T 2A3, Canada
| | - I Rodríguez-García
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, Madrid 28040, Spain
| | - L Roszkowski
- AstroCeNT, Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Rektorska 4, 00-614 Warsaw, Poland
- BP2, National Centre for Nuclear Research, ul. Pasteura 7, 02-093 Warsaw, Poland
| | - J B Ruhland
- Department of Physics, Technische Universität München, 80333 Munich, Germany
| | - E Sanchez García
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, Madrid 28040, Spain
| | - T Sánchez-Pastor
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, Madrid 28040, Spain
| | - R Santorelli
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, Madrid 28040, Spain
| | - S Seth
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - D Sinclair
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - P Skensved
- Department of Physics, Engineering Physics, and Astronomy, Queen's University, Kingston, Ontario, K7L 3N6, Canada
| | - B Smith
- TRIUMF, Vancouver, British Columbia, V6T 2A3, Canada
| | - N J T Smith
- Department of Physics and Astronomy, Laurentian University, Sudbury, Ontario, P3E 2C6, Canada
- SNOLAB, Lively, Ontario, P3Y 1N2, Canada
| | - T Sonley
- SNOLAB, Lively, Ontario, P3Y 1N2, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - R Stainforth
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - M Stringer
- Department of Physics, Engineering Physics, and Astronomy, Queen's University, Kingston, Ontario, K7L 3N6, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - B Sur
- Canadian Nuclear Laboratories, Chalk River, Ontario, K0J 1J0, Canada
| | - E Vázquez-Jáuregui
- Department of Physics and Astronomy, Laurentian University, Sudbury, Ontario, P3E 2C6, Canada
- Instituto de Física, Universidad Nacional Autónoma de México, A.P. 20-364, México D.F. 01000, México
| | - S Viel
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - J Walding
- Royal Holloway University London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom
| | - M Waqar
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen's University, Kingston ON K7L 3N6,Canada
| | - M Ward
- Department of Physics, Engineering Physics, and Astronomy, Queen's University, Kingston, Ontario, K7L 3N6, Canada
- SNOLAB, Lively, Ontario, P3Y 1N2, Canada
| | - S Westerdale
- Department of Physics, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
- INFN Cagliari, Cagliari 09042, Italy
| | - J Willis
- Department of Physics, University of Alberta, Edmonton, Alberta, T6G 2R3, Canada
| | - A Zuñiga-Reyes
- Instituto de Física, Universidad Nacional Autónoma de México, A.P. 20-364, México D.F. 01000, México
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Gupta K, Anand T, Kaur G, Thapliyal S, Lal P. Job satisfaction among medical officers working in Delhi. J Family Med Prim Care 2022; 11:155-161. [PMID: 35309650 PMCID: PMC8930123 DOI: 10.4103/jfmpc.jfmpc_268_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 07/10/2021] [Accepted: 09/21/2021] [Indexed: 11/19/2022] Open
Abstract
Background: Satisfied human resource is an essential asset for high productivity, efficiency, and quality of care in a healthcare organization. Job satisfaction among healthcare professionals assumes further significance for the purpose of maximization of human resource potential in the context of the shortage of manpower in the health sector in India. Objectives: The objective of the study was to assess the job satisfaction among medical officers (MOs) working in Delhi and to study the factors influencing the satisfaction level amongst them. Material and Methods: It was a cross-sectional study conducted amongst selected MOs (by convenience) in all the districts of Delhi. A structured, self-administered questionnaire was used to collect data from the participants. Results: A total of 115 MOs completed the questionnaire. There were 61 (53%) female doctors and 54 (47%) male doctors. The mean age of the study participants was 38.28 ± 7.37 years. The experience of the study group ranged between 1 and 28 years (9.59 ± 6.47 years). Of the total, 59.1% of participants were found to be satisfied with their job. The most common reason given for satisfaction with job was the timing of their job that suits them. The reason given for not being satisfied with job was salary not at par with work pressure. A significantly higher proportion of male participants considered “lack of accommodation” (P < 0.03) and “frequent detailment” (P < 0.031) are big problems faced in their jobs as compared with the female participants. Only 37 (32.2%) participants felt that the MO is able to give enough time to patients for clinical assessment in Out Patient Department. Conclusions: Although majority (59%) of the study group was satisfied with their job, there were numerous problems faced by the doctors at their workplace. Low pay was one of the important reasons cited for being dissatisfied. There is an urgent need to address all the factors affecting job satisfaction through proper planning and implementing relevant human resource policies for improvement in the work environment at public health institutions.
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Kaur G, Gupta K, Shyam S. Evaluation of antenatal services at Family welfare Centre under RMNCH+A Programme in Delhi. J Family Med Prim Care 2021; 10:3869-3875. [PMID: 34934694 PMCID: PMC8653460 DOI: 10.4103/jfmpc.jfmpc_2341_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 02/17/2021] [Accepted: 03/12/2021] [Indexed: 11/04/2022] Open
Abstract
Background According to WHO, 536,000 women die every year in the world from causes relating to pregnancy, childbirth, or postpartum. Ninety nine percent of these deaths occur in the developing countries. Primary health centres (in densely populated areas and in urban slums are also referred to as family welfare centres, since they provide the whole continuum of care, from birth through adolescent and delivery and thereafter. Aim To evaluate the antenatal services under Reproductive, Maternal, Newborn, Child plus Adolescent (RMNCHA) programme at a family welfare centre located in Central Delhi, India. We have proposed an action plan that will help in evaluating and improving these services. Methodology The study included health providers of antenatal services and the beneficiaries. With a response rate of 90% from a sample of 218, 203 consenting antenatal women (beneficiaries) visiting the centre for ANC check-up under RMNCH + A programme and PMSMA were included. For quantitative component, a pre-designed, pre-tested semi-structured screening questionnaire were administered to the beneficiaries and healthcare providers to evaluate the antenatal services under RMNCH + A programme at the family welfare centre. Results Qualitative and quantitative analysis was done separately. Only 43% of ANC women said health workers visited them at home during pregnancy and very few could tell about importance of lab investigations. Almost all (97%) knew about key messages given by health workers. Nearly all participants considered that the screening process was smooth. The waiting time and time to undergo varied from 4 to 6 min.
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Affiliation(s)
- Gurmeet Kaur
- Assistant Professor, Department of Community Medicine, Army College of Medical Sciences, Delhi, India
| | - Kalika Gupta
- Assistant Professor, Department of Community Medicine, Ananta Institute of Medical Sciences, Rajsamand, Rajasthan, India
| | - Subhajit Shyam
- Assistant Professor, Department of Community Medicine, ESI-PGIMSR and ESIC Medical College and ESIC Hospital, Joka, West Bengal, India
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Johnson G, Vergis A, Unger B, Park J, Gillman L, Hickey K, Pace D, Azin A, Guidolin K, Lam-Tin-Cheung K, Chadi S, Quereshy F, Guidolin K, Catton J, Rubin B, Bell J, Marangos J, Heesters A, Stuart-McEwan T, Quereshy F, Shariff F, Wright F, Ahmed N, Nadler A, Hallet J, Gentles J, Chen L, Hwang H, Parapini M, Hirpara D, Sidhu R, Scott T, Karimuddin A, Guo R, Nguyen A, Osborn J, Wiseman S, Nabata K, Ertel E, Hwang H, Lenet T, Baker L, Park L, Vered M, Zahrai A, Shorr R, Davis A, McIsaac D, Tinmouth A, Fergusson D, Martel G, Nabata K, Rummel S, Stefic-Cubic M, Karimuddin A, Stewart M, Melck A, McKechnie T, Anpalagan T, Ichhpuniani S, Lee Y, Ramji K, Eskicioglu C, Zhu A, Deng S, Greene B, Tsang M, Palter V, Jayaraman S, McKechnie T, Mann A, Tittley J, Cadeddu M, Nguyen M, Madani A, Pasternak J, McKechnie T, Ramji K, Hong D, Qu L, Istl A, Tang E, Gray D, Zuckerman J, Coburn N, Callum J, McLeod R, Pearsall E, Lin Y, Turgeon A, Martel G, Hallet J, Mahar A, Kammili A, Kriviraltcheva-Kaneva P, Lee L, Cools-Lartigue J, Ferri L, Mueller C, Zuckerman J, Haas B, Tillman B, Guttman M, Chesney T, Zuk V, Mahar A, Hsu A, Chan W, Vasdev R, Coburn N, Hallet J, D'Souza K, Huynh C, Ling LCJ, Warburton R, Hwang H, Hameed M, Glass L, Williamson H, Murphy P, Tang E, Leslie K, Hawel J, Kerr L, Zablotny S, Roldan H, He W, Jiang X, Zheng B, Lee L, Fiore J, Feldman L, Fried G, Mueller C, Valanci S, Balvardi S, Cipolla J, Kaneva P, Demyttenaere S, Boutros M, Lee L, Feldman L, Fiore J, Balvardi S, Alhashemi M, Cipolla J, Lee L, Fiore J, Feldman L, Miles A, Purich K, Verhoeff K, Shapiro J, Bigam D, Kung J, Fecso A, Chesney T, Mosko J, Skubleny D, Hamilton P, Ghosh S, Widder S, Schiller D, Do U, El Kefraoui C, Pook M, Barone N, Balvardi S, Montgomery H, Nguyen-Powanda P, Rajabiyazdi F, Elhaj H, Lapointe-Gagner M, Olleik G, Kaneva P, Antoun A, Safa N, Di Lena E, Meterissian S, Meguerditchian A, Fried G, Alhashemi M, Lee F, Baldini G, Feldman L, Fiore J, Serrano Aybar PE, Parpia S, Ruo L, Tywonek K, Lee S, O'Neill C, Faisal N, Alfayyadh A, Gundayao M, Meyers BM, Habashi R, Kruse C, McKechnie T, Levin M, Aldrich K, Grantcharov T, Langerman A, Forbes H, Anantha R, Fawcett V, Hetherington A, Pravong V, Gervais M, Rakovich G, Selvam R, Hu R, Musselman R, Raiche I, Moloo H, Liu R, Elnahas A, Alkhamesi N, Hawel J, Tang E, Alnumay A, Schlachta C, Walser E, Zhang C, Cristancho S, Ott M, Lee A, Niu B, Balaa F, Gawad N, Ren K, Qiu Y, Hamann K, How N, Leveille C, Davidson A, Eqbal A, Sardiwalla Y, Korostensky M, McKechnie T, Lee E, Yang I, Ren K, Muaddi H, Stukel T, de Mestral C, Nathens A, Karanicolas P, Frigault J, Lemieux S, Breton D, Bouchard P, Bouchard A, Grégoire R, Letarte F, Bouchard G, Drolet S, Frigault J, Avoine S, Drolet S, Letarte F, Bouchard A, Gagné J, Thibault C, Grégoire R, Jutras Bouthillette N, Gosselin M, Bouchard P, Rosenzveig A, Stuleanu T, Jarrar A, Kolozsvari N, Skelhorne-Gross G, Nenshi R, Jerath A, Gomez D, Singh K, Amir T, Liu E, Farquharson S, Mao R, Lan L, Yan 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Sebajang H, Younan R, Schwenter F, De Broux E, Larsen K, Skelhorne-Gross G, Beckett A, Nantais J, Gomez D, Lan L, Mao R, Kay J, Lohre R, Ayeni O, Goel D, de Sa D, He R, Hylton D, Bedard E, Johnson S, Laing B, Valji A, Hanna W, Turner S, Akhtar-Danesh G, Akhtar-Danesh N, Shargall Y, Akhtar-Danesh G, Akhtar-Danesh N, Shargall Y, Hirpara D, Gupta V, Kidane B, Limbachia J, Sullivan K, Farrokhyar F, Leontiadis G, Patel Y, Churchill I, Hylton D, Xie F, Seely A, Spicer J, Kidane B, Turner S, Yasufuku K, Hanna W, Jogiat U, Sun W, Dang J, Mocanu V, Kung J, Karmali S, Turner S, Switzer N, Patel Y, Churchill I, Sullivan K, Beauchamp M, Wald J, Mbuagbaw L, Agzarian J, Shargall Y, Finley C, Fahim C, Hanna W, Abbas M, Olaiya O, Begum H, Mbuagbaw L, Finley C, Hanna W, Agzarian J, Shargall Y, Ednie A, Palma D, Warner A, Malthaner R, Fortin D, Qiabi M, Nayak R, Nguyen T, Louie A, Rodrigues G, Yaremko B, Laba J, Inculet R, Alaichi J, Patel Y, Hanna W, Turner S, Mador B, Lai H, White J, Kim M, Hirpara D, Kidane B, Louie A, Zuk V, Darling G, Rousseau M, Chesney T, Coburn N, Hallet J, Lee Y, Samarasinghe Y, Lee M, Thiru L, Shargall Y, Finley C, Hanna W, Levine O, Juergens R, Agzarian J, Nayak R, Brogly S, Li W, Lougheed D, Petsikas D, Mistry N, Gatti A, Churchill I, Patel Y, Hanna W, Abdul S, Anestee C, Gilbert S, Sundaresan S, Seely A, Villeneuve P, Maziak D, Razzak R, Ashrafi A, Tregobov N, Hassanzadeh N, Stone S, Panjwani A, Bong T, Bond R, Hafizi A, De Meo M, Rayes R, Milette S, Vagai M, Usatii M, Chandrasekaran A, Giannias B, Bourdeau F, Sangwan V, Bertos N, Moraes C, Huang S, Quail D, Walsh L, Camilleri-Broet S, Fiset P, Cools-Lartigue J, Ferri L, Spicer J, Kammili A, Bilgic E, Quaiattini A, Maurice-Ventouris M, Najmeh S, Mueller C, Esther L, Begum H, Agzarian J, Hanna W, Finley C, Shargall Y, Lee Y, Lu J, Malhan R, Shargall Y, Finley C, Hanna W, Agzarian J, Brophy S, Brennan K, French D, Resende V, Momtazi M, Solaja O, Gilbert S, Maziak D, Seely A, Sundaresan S, Villeneuve P, 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M, Selvam R, Moloo H, MacRae H, Alam F, Raiche I, Holland J, Cwintal M, Rigas G, Vasilevsky C, Morin N, Ghitulescu G, Faria J, Pang A, Boutros M, Holland J, Moon J, Marinescu D, Morin N, Ghitulescu G, Pang A, Vasilevsky C, Boutros M, Brown C, Karimuddin A, Raval M, Phang P, Ghuman A, Li M, Muncner S, Mihajlovic I, Dykstra M, Snelgrove R, Wang H, Monton O, Smith A, Moon J, Demian M, Garfinkle R, Vasilevsky C, Rajabiyazdi F, Boutros M, AlAamer O, AlSelaim N, AlMalki M, Al-Osail A, Ruxton R, Manuel P, Mohamed F, Motamedi MK, Serahati S, Rajendran L, Brown C, Raval M, Karimuddin A, Ghuman A, Phang T, Caminsky N, Moon J, Rajabiyazdi F, Chadi S, Alavi K, Paquette I, MacLean T, Wexner S, Liberman S, Steele S, Park J, Patel S, Bordeianou L, Auer R, Sylla P, Morin N, Ghuman A, Boutros M, Bayat Z, Kennedy E, Victor C, Govindarajan A, Liang J, Vasilevsky C, Pang A, Ghitulescu G, Faria J, Morin N, Boutros M, Marinescu D, Roy H, Baig Z, Karimmudin A, Raval M, Brown C, Phang T, Gill D, Ginther N, 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Rocha F, Martel G, Bertens K, Mir Z, Golding H, McKeown S, Nanji S, Flemming J, Groome P, Mir Z, Djerboua M, Nanji S, Flemming J, Groome P, Elbekri S, Turcotte S, Girard E, Morency-Potvin P, Lapointe R, Vandenbroucke-Menu F, Dagenais M, Roy A, Letourneau R, Plasse M, Simoneau E, Rong Z, Zuker N, Oakley M, Chartrand G, Misheva B, Bendavid Y, Frigault J, Lemieux S, Breton D, Bouchard G, Drolet S, Melland-Smith M, Smith L, Tan J, Kahn U, McLean C, Mocanu V, Birch D, Karmali S, Switzer N, Fortin M, Paré X, Doyon A, Keshavjee S, Schwenger K, Yadav J, Fischer S, Jackson T, Allard J, Okrainec A, Lee Y, Anvari S, Chu M, Lovrics O, Aditya I, Malhan R, Khondker A, Walsh M, Doumouras A, Hong D, He W, Vergis A, Hardy K, Romanescu R, Deaninck F, Linton J, Fowler-Woods M, Fowler-Woods A, Shingoose G, Vergis A, Hardy K, Zmudzinski M, Cloutier Z, McKechnie T, Lee Y, Archer V, Doumouras A, Shiroky J, Abu Halimah J, Ramji K, Boudreau V, Mierzwa A, Mocanu V, Marcil G, Dang J, Switzer N, Birch D, Karmali S, Mierzwa A, Jarrar A, Hardy-Henry A, Kolozsvari N, Lin W, Hagen J, Connell M, Sun W, Dang J, Mocanu V, Kung J, Switzer N, Birch D, Karmali S. 2021 Canadian Surgery Forum01. Design and validation of a unique endoscopy simulator using a commercial video game03. Is ethnicity an appropriate measure of health care marginalization?: A systematic review and meta-analysis of the outcomes of diabetic foot ulceration in the Aboriginal population04. Racial disparities in surgery — a cross-specialty matched comparison between black and white patients05. Starting late does not increase the risk of postoperative complications in patients undergoing common general surgical procedures06. Ethical decision-making during a health care crisis: a resource allocation framework and tool07. Ensuring stability in surgical training program leadership: a survey of program directors08. Introducing oncoplastic breast surgery in a community hospital09. Leadership development programs for surgical residents: a review of the literature10. Superiority of non-opioid postoperative pain management after thyroid and parathyroid operations: a systematic review and meta-analysis11. Timing of ERCP relative to cholecystectomy in patients with ductal gallstone disease12. A systematic review and meta-analysis of randomized controlled trials comparing intraoperative red blood cell transfusion strategies13. Postoperative outcomes after frail elderly preoperative assessment clinic: a single-institution Canadian perspective14. Selective opioid antagonists following bowel resection for prevention of postoperative ileus: a systematic review and meta-analysis15. Peer-to-peer coaching after bile duct injury16. Laparoscopic median arcuate ligament release: a video abstract17. Retroperitoneoscopic approach to adrenalectomy19. Endoscopic Zenker diverticulotomy: a video abstract20. Variability in surgeons’ perioperative management of pheochromocytomas in Canada21. The contribution of surgeon and hospital variation in transfusion practice to outcomes for patients undergoing elective gastrointestinal cancer surgery: a population-based analysis22. Perioperative transfusions for gastroesophageal cancers: risk factors and short- and long-term outcomes23. The association between frailty and time alive and at home after cancer surgery among older adults: a population-based analysis24. Psychological and workplace-related effects of providing surgical care during the COVID-19 pandemic in British Columbia, Canada25. Safety of venous thromboembolism prophylaxis in endoscopic retrograde cholangiopancreatography: a systematic review26. Complications and reintervention following laparoscopic subtotal cholecystectomy: a systematic review and meta-analysis27. Synchronization of pupil dilations correlates with team performance in a simulated laparoscopic team coordination task28. Receptivity to and desired design features of a surgical peer coaching program: an international survey9. Impact of the COVID-19 pandemic on rates of emergency department utilization due to general surgery conditions30. The impact of the current COVID-19 pandemic on the exposure of general surgery trainees to operative procedures31. Association between academic degrees and research productivity: an assessment of academic general surgeons in Canada32. Laparoscopic endoscopic cooperative surgery (LECS) for subepithelial gastric lesion: a video presentation33. Effect of the COVID-19 pandemic on acute care general surgery at an academic Canadian centre34. Opioid-free analgesia after outpatient general surgery: a pilot randomized controlled trial35. Impact of neoadjuvant immunotherapy or targeted therapies on surgical resection in patients with solid tumours: a systematic review and meta-analysis37. Surgical data recording in the operating room: a systematic review of modalities and metrics38. Association between nonaccidental trauma and neighbourhood socioeconomic status during the COVID-19 pandemic: a retrospective analysis39. Laparoscopic repair of a transdiaphragmatic gastropleural fistula40. Video-based interviewing in medicine: a scoping review41. Indocyanine green fluorescence angiography for prevention of anastomotic leakage in colorectal surgery: a cost analysis from the hospital payer’s perspective43. Perception or reality: surgical resident and faculty assessments of resident workload compared with objective data45. When illness and loss hit close to home: Do health care providers learn how to cope?46. Remote video-based suturing education with smartphones (REVISE): a randomized controlled trial47. The evolving use of robotic surgery: a population-based analysis48. Prophylactic retromuscular mesh placement for parastomal hernia prevention: a retrospective cohort study of permanent colostomies and ileostomies49. Intracorporeal versus extracorporeal anastomosis in laparoscopic right hemicolectomy: a retrospective cohort study on anastomotic complications50. A lay of the land — a description of Canadian academic acute care surgery models51. Emergency general surgery in Ontario: interhospital variability in structures, processes and models of care52. Trauma 101: a virtual case-based trauma conference as an adjunct to medical education53. Assessment of the National Surgical Quality Improvement Program Surgical Risk Calculator for predicting patient-centred outcomes of emergency general surgery patients in a Canadian health care system54. Sustainability of a narcotic reduction initiative: 1 year following the Standardization of Outpatient Procedure (STOP) Narcotics Study55. Barriers to transanal endoscopic microsurgery referral56. Geospatial analysis of severely injured rural patients in a geographically complex landscape57. Implementation of an incentive spirometry protocol in a trauma ward: a single-centre pilot study58. Impostor phenomenon is a significant risk factor for burnout and anxiety in Canadian resident physicians: a cross-sectional survey59. Understanding the influence of perioperative education on performance among surgical trainees: a single-centre experience60. The effect of COVID-19 pandemic on current and future endoscopic personal protective equipment practices: a national survey of 77 endoscopists61. Case report: delayed presentation of perforated sigmoid diverticulitis as necrotizing infection of the lower limb62. Investigating disparities in surgical outcomes in Canadian Indigenous populations63. Fundoplication is superior to medical therapy for Barrett esophagus disease regression and progression: a systematic review and meta-analysis64. Development of a novel online general surgery learning platform and a qualitative preimplementation analysis65. Hagfish slime exudate as a potential novel hemostatic agent: developing a standardized assessment protocol66. The effect of the first wave of the COVID-19 pandemic on surgical oncology case volumes and wait times67. Safety of same-day discharge in high-risk patients undergoing ambulatory general surgery68. External validation of the Codman score in colorectal surgery: a pragmatic tool to drive quality improvement69. Improved morbidity and gastrointestinal restoration rates without compromising survival rates for diverting loop ileostomy with colonic lavage versus total abdominal colectomy for fulminant Clostridioides difficile colitis: a multicentre retrospective cohort study70. Potential access to emergency general surgical care in Ontario71. Immersive virtual reality (iVR) improves procedural duration, task completion and accuracy in surgical trainees: a systematic review01. Clinical validation of the Canada Lymph Node Score for endobronchial ultrasound02. Venous thromboembolism in surgically treated esophageal cancer patients: a provincial population-based study03. Venous thromboembolism in surgically treated lung cancer patients: a population-based study04. Is frailty associated with failure to rescue after esophagectomy? A multi-institutional comparative analysis of outcomes05. Routine systematic sampling versus targeted sampling of lymph nodes during endobronchial ultrasound: a feasibility randomized controlled trial06. Gastric ischemic conditioning reduces anastomotic complications in patients undergoing esophagectomy: a systematic review and meta-analysis07. Move For Surgery, a novel preconditioning program to optimize health before thoracic surgery: a randomized controlled trial08. In case of emergency, go to your nearest emergency department — Or maybe not?09. Does preoperative SABR increase the risk of complications from lung cancer resection? A secondary analysis of the MISSILE trial10. Segmental resection for lung cancer: the added value of near-infrared fluorescence mapping diminishes with surgeon experience11. Toward competency-based continuing professional development for practising surgeons12. Stereotactic body radiotherapy versus surgery in older adults with NSCLC — a population-based, matched analysis of long-term dependency outcomes13. Role of adjuvant therapy in esophageal cancer patients after neoadjuvant therapy and curative esophagectomy: a systematic review and meta-analysis14. Evaluation of population characteristics on the incidence of thoracic empyema: an ecological study15. Determining the optimal stiffness colour threshold and stiffness area ratio cut-off for mediastinal lymph node staging using EBUS elastography and AI: a pilot study16. Quality assurance on the use of sequential compression stockings in thoracic surgery (QUESTs)17. The relationship between fissureless technique and prolonged air leak for patients undergoing video-assisted thoracoscopic lobectomy18. CXCR2 inhibition as a candidate for immunomodulation in the treatment of K-RAS-driven lung adenocarcinoma19. Assessment tools for evaluating competency in video-assisted thoracoscopic lobectomy: a systematic review20. Understanding the current practice on chest tube management following lung resection among thoracic surgeons across Canada21. Effect of routine jejunostomy tube insertion in esophagectomy: a systematic review and meta-analysis22. Recurrence of primary spontaneous pneumothorax following bullectomy with pleurodesis or pleurectomy: a retrospective analysis23. Surgical outcomes following chest wall resection and reconstruction24. Outcomes following surgical management of primary mediastinal nonseminomatous germ cell tumours25. Does robotic approach offer better nodal staging than thoracoscopic approach in anatomical resection for non–small cell lung cancer? A single-centre propensity matching analysis26. Competency assessment for mediastinal mass resection and thymectomy: design and Delphi process27. The contemporary significance of venous thromboembolism (deep venous thrombosis [DVT] and pulmonary embolus [PE]) in patients undergoing esophagectomy: a prospective, multicentre cohort study to evaluate the incidence and clinical outcomes of VTE after major esophageal resections28. Esophageal cancer: symptom severity at the end of life29. The impact of pulmonary artery reconstruction on postoperative and oncologic outcomes: a systematic review30. Association with surgical technique and recurrence after laparoscopic repair of paraesophageal hernia: a single-centre experience31. Enhanced recovery after surgery (ERAS) in esophagectomy32. Surgical treatment of esophageal cancer: trends in surgical approach and early mortality at a single institution over the past 18 years34. Adverse events and length of stay following minimally invasive surgery in paraesophageal hernia repair35. Long-term symptom control comparison of Dor and Nissen fundoplication following laparoscopic para-esophageal hernia repair: a retrospective analysis36. Willingness to pay: a survey of Canadian patients’ willingness to contribute to the cost of robotic thoracic surgery37. Radiomics in early-stage lung adenocarcinoma: a prediction tool for tumour immune microenvironments38. Effectiveness of intraoperative pyloric botox injection during esophagectomy: how often is endoscopic intervention required?39. An artificial intelligence algorithm for predicting lymph node malignancy during endobronchial ultrasound40. The effect of major and minor complications after lung surgery on length of stay and readmission41. Measuring cost of adverse events following thoracic surgery: a scoping review42. Laparoscopic paraesophageal hernia repair: characterization by hospital and surgeon volume and impact on outcomes43. NSQIP 5-Factor Modified Frailty Index predicts morbidity but not mortality after esophagectomy44. Trajectory of perioperative HRQOL and association with postoperative complications in thoracic surgery patients45. Variation in treatment patterns and outcomes for resected esophageal cancer at designated thoracic surgery centres46. Patient-reported pretreatment health-related quality of life (HRQOL) predicts short-term survival in esophageal cancer patients47. Analgesic efficacy of surgeon-placed paravertebral catheters compared with thoracic epidural analgesia after Ivor Lewis esophagectomy: a retrospective noninferiority study48. Rapid return to normal oxygenation after lung surgery49. Examination of local and systemic inflammatory changes during lung surgery01. Implications of near-infrared imaging and indocyanine green on anastomotic leaks following colorectal surgery: a systematic review and meta-analysis02. Repeat preoperative endoscopy after regional implementation of electronic synoptic endoscopy reporting: a retrospective comparative study03. Consensus-derived quality indicators for operative reporting in transanal endoscopic surgery (TES)04. Colorectal lesion localization practices at endoscopy to facilitate surgical and endoscopic planning: recommendations from a national consensus Delphi process05. Black race is associated with increased mortality in colon cancer — a population-based and propensity-score matched analysis06. Improved survival in a cohort of patients 75 years and over with FIT-detected colorectal neoplasms07. Laparoscopic versus open loop ileostomy reversal: a systematic review and meta-analysis08. Posterior mesorectal thickness as a predictor of increased operative time in rectal cancer surgery: a retrospective cohort study09. Improvement of colonic anastomotic healing in mice with oral supplementation of oligosaccharides10. How can we better identify patients with rectal bleeding who are at high risk of colorectal cancer?11. Assessment of long-term bowel dysfunction in rectal cancer survivors: a population-based cohort study12. Observational versus antibiotic therapy for acute uncomplicated diverticulitis: a noninferiority meta-analysis based on a Delphi consensus13. Radiotherapy alone versus chemoradiotherapy for stage I anal squamous cell carcinoma: a systematic review and meta-analysis14. Is the Hartmann procedure for diverticulitis obsolete? National trends in colectomy for diverticulitis in the emergency setting from 1993 to 201515. Sugammadex in colorectal surgery: a systematic review and meta-analysis16. Sexuality and rectal cancer treatment: a qualitative study exploring patients’ information needs and expectations on sexual dysfunction after rectal cancer treatment17. Video-based interviews in selection process18. Impact of delaying colonoscopies during the COVID-19 pandemic on colorectal cancer detection and prevention19. Opioid use disorder associated with increased anastomotic leak and major complications after colorectal surgery20. Effectiveness of a rectal cancer education video on patient expectations21. Robotic-assisted rectosigmoid and rectal cancer resection: implementation and early experience at a Canadian tertiary centre22. An online educational app for rectal cancer survivors with low anterior resection syndrome: a pilot study23. The effects of surgeon specialization on the outcome of emergency colorectal surgery24. Outcomes after colorectal cancer resections in octogenarians and older in a regional New Zealand setting — What are the predictors of mortality?25. Long-term outcomes after seton placement for perianal fistulae with and without Crohn disease26. A survey of patient and surgeon preference for early ileostomy closure following restorative proctectomy for rectal cancer — Why aren’t we doing it?27. Crohn disease independently associated with longer hospital admission after surgery28. Short-stay (≤ 1 d) diverting loop ileostomy closure can be selectively implemented without an increase in readmission and complication rates: an ACS-NSQIP analysis29. A comparison of perineal stapled rectal prolapse resection and the Altemeier procedure at 2 Canadian academic hospitals30. Mental health and substance use disorders predict 90-day readmission and postoperative complications following rectal cancer surgery31. Early discharge after colorectal cancer resection: trends and impact on patient outcomes32. Oral antibiotics without mechanical bowel preparation prior to emergency colectomy reduces the risk of organ space surgical site infections: a NSQIP propensity score matched study33. The impact of robotic surgery on a tertiary care colorectal surgery program, an assessment of costs and short-term outcomes — a Canadian perspective34. Should we scope beyond the age limit of guidelines? Adenoma detection rates and outcomes of screening and surveillance colonoscopies in patients aged 75–79 years35. Emergency department admissions for uncomplicated diverticulitis: a nationwide study36. Obesity is associated with a complicated episode of acute diverticulitis: a nationwide study37. Green indocyanine angiography for low anterior resection in patients with rectal cancer: a prospective before-and-after study38. The impact of age on surgical recurrence of fibrostenotic ileocolic Crohn disease39. A qualitative study to explore the optimal timing and approach for the LARS discussion01. Racial, ethnic and socioeconomic disparities in diagnosis, treatment and survival of patients with breast cancer: a SEER-based population analysis02. First-line palliative chemotherapy for esophageal and gastric cancer: practice patterns and outcomes in the general population03. Frailty as a predictor for postoperative outcomes following pancreaticoduodenectomy04. Synoptic electronic operative reports identify practice variation in cancer surgery allowing for directed interventions to decrease variation05. The role of Hedgehog signalling in basal-like breast cancer07. Clinical and patient-reported outcomes in oncoplastic breast conservation surgery from a single surgeon’s practice in a busy community hospital in Canada08. Upgrade rate of atypical ductal hyperplasia: 10 years of experience and predictive factors09. Time to first adjuvant treatment after oncoplastic breast reduction10. Preparing to survive: improving outcomes for young women with breast cancer11. Opioid prescription and consumption in patients undergoing outpatient breast surgery — baseline data for a quality improvement initiative12. Rectal anastomosis and hyperthermic intraperitoneal chemotherapy: Should we avoid diverting loop ileostomy?13. Delays in operative management of early-stage, estrogen-receptor positive breast cancer during the COVID-19 pandemic — a multi-institutional matched historical cohort study14. Opioid prescribing practices in breast oncologic surgery15. Oncoplastic breast reduction (OBR) complications and patient-reported outcomes16. De-escalating breast cancer surgery: Should we apply quality indicators from other jurisdictions in Canada?17. The breast cancer patient experience of telemedicine during COVID-1918. A novel ex vivo human peritoneal model to investigate mechanisms of peritoneal metastasis in gastric adenocarcinoma (GCa)19. Preliminary uptake and outcomes utilizing the BREAST-Q patient-reported outcomes questionnaire in patients following breast cancer surgery20. Routine elastin staining improves detection of venous invasion and enhances prognostication in resected colorectal cancer21. Analysis of exhaled volatile organic compounds: a new frontier in colon cancer screening and surveillance22. A clinical pathway for radical cystectomy leads to a shorter hospital stay and decreases 30-day postoperative complications: a NSQIP analysis23. Fertility preservation in young breast cancer patients: a population-based study24. Investigating factors associated with postmastectomy unplanned emergency department visits: a population-based analysis25. Impact of patient, tumour and treatment factors on psychosocial outcomes after treatment in women with invasive breast cancer26. The relationship between breast and axillary pathologic complete response in women receiving neoadjuvant chemotherapy for breast cancer01. The association between bacterobilia and the risk of postoperative complications following pancreaticoduodenectomy02. Surgical outcome and quality of life following exercise-based prehabilitation for hepatobiliary surgery: a systematic review and meta-analysis03. Does intraoperative frozen section and revision of margins lead to improved survival in patients undergoing resection of perihilar cholangiocarcinoma? A systematic review and meta-analysis04. Prolonged kidney procurement time is associated with worse graft survival after transplantation05. Venous thromboembolism following hepatectomy for colorectal metastases: a population-based retrospective cohort study06. Association between resection approach and transfusion exposure in liver resection for gastrointestinal cancer07. The association between surgeon volume and use of laparoscopic liver resection for gastrointestinal cancer08. Immune suppression through TIGIT in colorectal cancer liver metastases09. “The whole is greater than the sum of its parts” — a combined strategy to reduce postoperative pancreatic fistula after pancreaticoduodenectomy10. Laparoscopic versus open synchronous colorectal and hepatic resection for metastatic colorectal cancer11. Identifying prognostic factors for overall survival in patients with recurrent disease following liver resection for colorectal cancer metastasis12. Modified Blumgart pancreatojejunostomy with external stenting in laparoscopic Whipple reconstruction13. Laparoscopic versus open pancreaticoduodenectomy: a single centre’s initial experience with introduction of a novel surgical approach14. Neoadjuvant chemotherapy versus upfront surgery for borderline resectable pancreatic cancer: a single-centre cohort analysis15. Thermal ablation and telemedicine to reduce resource utilization during the COVID-19 pandemic16. Cost-utility analysis of normothermic machine perfusion compared with static cold storage in liver transplantation in the Canadian setting17. Impact of adjuvant therapy on overall survival in early-stage ampullary cancers: a single-centre retrospective review18. Presence of biliary anaerobes enhances response to neoadjuvant chemotherapy in pancreatic ductal adenocarcinoma19. How does tumour viability influence the predictive capability of the Metroticket model? Comparing predicted-to-observed 5-year survival after liver transplant for hepatocellular carcinoma20. Does caudate resection improve outcomes in patients undergoing curative resection for perihilar cholangiocarcinoma? A systematic review and meta-analysis21. Appraisal of multivariable prognostic models for postoperative liver decompensation following partial hepatectomy: a systematic review22. Predictors of postoperative liver decompensation events following resection in patients with cirrhosis and hepatocellular carcinoma: a population-based study23. Characteristics of bacteriobilia and impact on outcomes after Whipple procedure01. Inverting the y-axis: the future of MIS abdominal wall reconstruction is upside down02. Progressive preoperative pneumoperitoneum: a single-centre retrospective study03. The role of radiologic classification of parastomal hernia as a predictor of the need for surgical hernia repair: a retrospective cohort study04. Comparison of 2 fascial defect closure methods for laparoscopic incisional hernia repair01. Hypoalbuminemia predicts serious complications following elective bariatric surgery02. Laparoscopic adjustable gastric band migration inducing jejunal obstruction associated with acute pancreatitis: aurgical approach of band removal03. Can visceral adipose tissue gene expression determine metabolic outcomes after bariatric surgery?04. Improvement of kidney function in patients with chronic kidney disease and severe obesity after bariatric surgery: a systematic review and meta-analysis05. A prediction model for delayed discharge following gastric bypass surgery06. Experiences and outcomes of Indigenous patients undergoing bariatric surgery: a mixed-methods scoping review07. What is the optimal common channel length in revisional bariatric surgery?08. Laparoscopic management of internal hernia in a 34-week pregnant woman09. Characterizing timing of postoperative complications following elective Roux-en-Y gastric bypass and sleeve gastrectomy10. Canadian trends in bariatric surgery11. Common surgical stapler problems and how to correct them12. Management of choledocholithiasis following Roux-en-Y gastric bypass: a systematic review and meta-analysis. Can J Surg 2021; 64:S80-S159. [PMID: 35483046 PMCID: PMC8677574 DOI: 10.1503/cjs.021321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Affiliation(s)
- G Johnson
- From the University of Manitoba, Winnipeg, Man
| | - A Vergis
- From the University of Manitoba, Winnipeg, Man
| | - B Unger
- From the University of Manitoba, Winnipeg, Man
| | - J Park
- From the University of Manitoba, Winnipeg, Man
| | - L Gillman
- From the University of Manitoba, Winnipeg, Man
| | - K Hickey
- From Memorial University, St. John's, Nfld
| | - D Pace
- From Memorial University, St. John's, Nfld
| | - A Azin
- From the University of Toronto, Toronto, Ont
| | | | | | - S Chadi
- University Health Network, Toronto, Ont
| | | | | | - J Catton
- University Health Network, Toronto, Ont
| | - B Rubin
- University Health Network, Toronto, Ont
| | - J Bell
- University Health Network, Toronto, Ont
| | | | | | | | | | - F Shariff
- From the University of Toronto, Toronto, Ont
| | - F Wright
- From the University of Toronto, Toronto, Ont
| | - N Ahmed
- From the University of Toronto, Toronto, Ont
| | - A Nadler
- From the University of Toronto, Toronto, Ont
| | - J Hallet
- From the University of Toronto, Toronto, Ont
| | - J Gentles
- From the University of British Columbia, Vancouver, B.C
| | - L Chen
- From the University of British Columbia, Vancouver, B.C
| | - H Hwang
- From the University of British Columbia, Vancouver, B.C
| | - M Parapini
- University of British Columbia, Vancouver, B.C
| | | | - R Sidhu
- University of British Columbia, Vancouver, B.C
| | - T Scott
- University of British Columbia, Vancouver, B.C
| | | | - R Guo
- From the University of British Columbia, Vancouver, B.C
| | - A Nguyen
- From the University of British Columbia, Vancouver, B.C
| | - J Osborn
- From the University of British Columbia, Vancouver, B.C
| | - S Wiseman
- From the University of British Columbia, Vancouver, B.C
| | - K Nabata
- From the University of British Columbia, Vancouver, B.C
| | - E Ertel
- From the University of British Columbia, Vancouver, B.C
| | - H Hwang
- From the University of British Columbia, Vancouver, B.C
| | - T Lenet
- University of Ottawa, Ottawa, Ont
| | - L Baker
- University of Ottawa, Ottawa, Ont
| | - L Park
- University of Ottawa, Ottawa, Ont
| | - M Vered
- Royal College of Surgeons in Ireland, Dublin, Ireland
| | - A Zahrai
- University of Ottawa, Ottawa, Ont
| | - R Shorr
- The Ottawa Hospital, Ottawa, Ont
| | - A Davis
- The Ottawa Hospital, Ottawa, Ont
| | | | | | - D Fergusson
- Ottawa Hospital Research Institute, Ottawa, Ont
| | - G Martel
- The Ottawa Hospital, Ottawa, Ont
| | - K Nabata
- From the University of British Columbia, Vancouver, B.C
| | - S Rummel
- From the University of British Columbia, Vancouver, B.C
| | | | - A Karimuddin
- From the University of British Columbia, Vancouver, B.C
| | - M Stewart
- From the University of British Columbia, Vancouver, B.C
| | - A Melck
- From the University of British Columbia, Vancouver, B.C
| | | | | | | | - Y Lee
- From McMaster University, Hamilton, Ont
| | - K Ramji
- From McMaster University, Hamilton, Ont
| | | | - A Zhu
- From the University of Toronto, Toronto, Ont
| | - S Deng
- From the University of Toronto, Toronto, Ont
| | - B Greene
- From the University of Toronto, Toronto, Ont
| | - M Tsang
- From the University of Toronto, Toronto, Ont
| | - V Palter
- From the University of Toronto, Toronto, Ont
| | - S Jayaraman
- From the University of Toronto, Toronto, Ont
| | | | - A Mann
- From McMaster University, Hamilton, Ont
| | - J Tittley
- From McMaster University, Hamilton, Ont
| | - M Cadeddu
- From McMaster University, Hamilton, Ont
| | - M Nguyen
- University of Toronto, Toronto, Ont
| | - A Madani
- University Health Network, Toronto, Ont
| | | | | | - K Ramji
- From McMaster University, Hamilton, Ont
| | - D Hong
- From McMaster University, Hamilton, Ont
| | - L Qu
- Western University, London, Ont
| | - A Istl
- Johns Hopkins Hospital, Baltimore, Md
| | - E Tang
- Western University, London, Ont
| | - D Gray
- Western University, London, Ont
| | | | - N Coburn
- University of Toronto, Toronto, Ont
| | - J Callum
- Queen's University, Kingston, Ont
| | - R McLeod
- University of Toronto, Toronto, Ont
| | | | - Y Lin
- University of Toronto, Toronto, Ont
| | | | - G Martel
- University of Ottawa, Ottawa, Ont
| | - J Hallet
- University of Toronto, Toronto, Ont
| | - A Mahar
- University of Manitoba, Winnipeg, Man
| | - A Kammili
- From the McGill University Health Centre, Montreal, Que
| | | | - L Lee
- From the McGill University Health Centre, Montreal, Que
| | | | - L Ferri
- From the McGill University Health Centre, Montreal, Que
| | - C Mueller
- From the McGill University Health Centre, Montreal, Que
| | | | - B Haas
- University of Toronto, Toronto, Ont
| | | | | | | | - V Zuk
- Sunnybrook Research Institute, Toronto, Ont
| | - A Mahar
- University of Manitoba, Winnipeg, Man
| | - A Hsu
- University of Ottawa, Ottawa, Ont
| | | | - R Vasdev
- Sunnybrook Research Institute, Toronto, Ont
| | - N Coburn
- University of Toronto, Toronto, Ont
| | - J Hallet
- University of Toronto, Toronto, Ont
| | - K D'Souza
- From the University of British Columbia, Vancouver, B.C
| | - C Huynh
- From the University of British Columbia, Vancouver, B.C
| | | | - R Warburton
- From the University of British Columbia, Vancouver, B.C
| | - H Hwang
- From the University of British Columbia, Vancouver, B.C
| | - M Hameed
- From the University of British Columbia, Vancouver, B.C
| | - L Glass
- Western University, London, Ont
| | | | - P Murphy
- Medical College of Wisconsin, Milwaukee, Wis
| | - E Tang
- Western University, London, Ont
| | | | - J Hawel
- Western University, London, Ont
| | - L Kerr
- From the Northern Ontario School of Medicine, Thunder Bay, Ont
| | - S Zablotny
- From the Northern Ontario School of Medicine, Thunder Bay, Ont
| | - H Roldan
- From the Northern Ontario School of Medicine, Thunder Bay, Ont
| | - W He
- University of Manitoba, Winnipeg, Man
| | - X Jiang
- Memorial University of Newfoundland, St. John's, Nfld
| | - B Zheng
- University of Alberta, Edmonton, Alta
| | - L Lee
- From McGill University, Montreal, Que
| | - J Fiore
- From McGill University, Montreal, Que
| | - L Feldman
- From McGill University, Montreal, Que
| | - G Fried
- From McGill University, Montreal, Que
| | - C Mueller
- From McGill University, Montreal, Que
| | - S Valanci
- From McGill University, Montreal, Que
| | | | - J Cipolla
- From McGill University, Montreal, Que
| | - P Kaneva
- From McGill University, Montreal, Que
| | | | - M Boutros
- From McGill University, Montreal, Que
| | - L Lee
- From McGill University, Montreal, Que
| | - L Feldman
- From McGill University, Montreal, Que
| | - J Fiore
- From McGill University, Montreal, Que
| | | | | | - J Cipolla
- From McGill University, Montreal, Que
| | - L Lee
- From McGill University, Montreal, Que
| | - J Fiore
- From McGill University, Montreal, Que
| | - L Feldman
- From McGill University, Montreal, Que
| | - A Miles
- From the University of Alberta, Edmonton, Alta
| | - K Purich
- From the University of Alberta, Edmonton, Alta
| | - K Verhoeff
- From the University of Alberta, Edmonton, Alta
| | - J Shapiro
- From the University of Alberta, Edmonton, Alta
| | - D Bigam
- From the University of Alberta, Edmonton, Alta
| | - J Kung
- From the University of Alberta, Edmonton, Alta
| | - A Fecso
- From the University of Toronto, Toronto, Ont
| | - T Chesney
- From the University of Toronto, Toronto, Ont
| | - J Mosko
- From the University of Toronto, Toronto, Ont
| | - D Skubleny
- From the University of Alberta, Edmonton, Alta
| | - P Hamilton
- From the University of Alberta, Edmonton, Alta
| | - S Ghosh
- From the University of Alberta, Edmonton, Alta
| | - S Widder
- From the University of Alberta, Edmonton, Alta
| | - D Schiller
- From the University of Alberta, Edmonton, Alta
| | - U Do
- McGill University, Montreal, Que
| | | | - M Pook
- McGill University, Montreal, Que
| | - N Barone
- McGill University, Montreal, Que
| | | | | | | | | | - H Elhaj
- McGill University Health Centre, Montreal, Que
| | | | - G Olleik
- McGill University, Montreal, Que
| | - P Kaneva
- McGill University Health Centre, Montreal, Que
| | - A Antoun
- McGill University, Montreal, Que
| | - N Safa
- McGill University, Montreal, Que
| | | | | | | | - G Fried
- McGill University Health Centre, Montreal, Que
| | - M Alhashemi
- McGill University Health Centre, Montreal, Que
| | - F Lee
- McGill University Health Centre, Montreal, Que
| | - G Baldini
- McGill University Health Centre, Montreal, Que
| | - L Feldman
- McGill University Health Centre, Montreal, Que
| | - J Fiore
- McGill University Health Centre, Montreal, Que
| | | | - S Parpia
- McMaster University, Hamilton, Ont
| | - L Ruo
- McMaster University, Hamilton, Ont
| | | | - S Lee
- McMaster University, Hamilton, Ont
| | | | - N Faisal
- Royal College of Surgeons in Ireland, Dublin, Ireland
| | - A Alfayyadh
- Royal College of Surgeons in Ireland, Dublin, Ireland
| | | | | | | | - C Kruse
- McMaster University, Hamilton, Ont
| | | | - M Levin
- University of Toronto, Toronto, Ont
| | - K Aldrich
- Center for Medical Interoperability, Nashville, Tenn
| | - T Grantcharov
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ont
| | - A Langerman
- Vanderbilt University Medical Center, Nashville, Tenn
| | - H Forbes
- From the University of Alberta, Edmonton, Alta
| | - R Anantha
- From the University of Alberta, Edmonton, Alta
| | - V Fawcett
- From the University of Alberta, Edmonton, Alta
| | | | - V Pravong
- University of Montreal, Montreal, Que
| | - M Gervais
- Maisonneuve-Rosemont Hospital, Montreal, Que
| | - G Rakovich
- Maisonneuve-Rosemont Hospital, Montreal, Que
| | - R Selvam
- From the University of Ottawa, Ottawa, Ont
| | - R Hu
- From the University of Ottawa, Ottawa, Ont
| | | | - I Raiche
- From the University of Ottawa, Ottawa, Ont
| | - H Moloo
- From the University of Ottawa, Ottawa, Ont
| | - R Liu
- Western University, London, Ont
| | - A Elnahas
- Western University, Canadian Surgical Technologies & Advanced Robotics, London Health Sciences Centre, London, Ont
| | - N Alkhamesi
- Western University, Canadian Surgical Technologies & Advanced Robotics, London Health Sciences Centre, London, Ont
| | - J Hawel
- Western University, Canadian Surgical Technologies & Advanced Robotics, London Health Sciences Centre, London, Ont
| | - E Tang
- Western University, Canadian Surgical Technologies & Advanced Robotics, London Health Sciences Centre, London, Ont
| | - A Alnumay
- Western University, Canadian Surgical Technologies & Advanced Robotics, London Health Sciences Centre, London, Ont
| | - C Schlachta
- Western University, Canadian Surgical Technologies & Advanced Robotics, London Health Sciences Centre, London, Ont
| | - E Walser
- From Western University, London, Ont
| | - C Zhang
- From Western University, London, Ont
| | | | - M Ott
- From Western University, London, Ont
| | - A Lee
- From the University of Ottawa, Ottawa, Ont
| | - B Niu
- From the University of Ottawa, Ottawa, Ont
| | - F Balaa
- From the University of Ottawa, Ottawa, Ont
| | - N Gawad
- From the University of Ottawa, Ottawa, Ont
| | - K Ren
- From McMaster University, Hamilton, Ont
| | - Y Qiu
- From McMaster University, Hamilton, Ont
| | - K Hamann
- From McMaster University, Hamilton, Ont
| | - N How
- From McMaster University, Hamilton, Ont
| | | | | | - A Eqbal
- From McMaster University, Hamilton, Ont
| | | | | | | | - E Lee
- From McMaster University, Hamilton, Ont
| | - I Yang
- From McMaster University, Hamilton, Ont
| | - K Ren
- From McMaster University, Hamilton, Ont
| | - H Muaddi
- University of Toronto, Toronto, Ont
| | - T Stukel
- ICES, University of Toronto, Toronto, Ont
| | - C de Mestral
- St. Michael's Hospital, University of Toronto, Toronto, Ont
| | - A Nathens
- Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ont
| | - P Karanicolas
- Sunnybrook Health Sciences Centre, University of Toronto, Toronto, Ont
| | - J Frigault
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - S Lemieux
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - D Breton
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - P Bouchard
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - A Bouchard
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - R Grégoire
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - F Letarte
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - G Bouchard
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - S Drolet
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - J Frigault
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - S Avoine
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - S Drolet
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - F Letarte
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - A Bouchard
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - J Gagné
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - C Thibault
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - R Grégoire
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | | | - M Gosselin
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - P Bouchard
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | | | - T Stuleanu
- From the University of Ottawa, Ottawa, Ont
| | - A Jarrar
- From the University of Ottawa, Ottawa, Ont
| | | | | | - R Nenshi
- McMaster University, Hamilton, Ont
| | - A Jerath
- University of Toronto, Toronto, Ont
| | - D Gomez
- University of Toronto, Toronto, Ont
| | - K Singh
- University of Toronto, Toronto, Ont
| | - T Amir
- McMaster University, Hamilton, Ont
| | - E Liu
- McMaster University, Hamilton, Ont
| | | | - R Mao
- McMaster University, Hamilton, Ont
| | - L Lan
- McMaster University, Hamilton, Ont
| | - J Yan
- University of British Columbia, Vancouver, B.C
| | | | - A Mierzwa
- From the University of Alberta, Edmonton, Alta
| | - R Tin
- From the University of Alberta, Edmonton, Alta
| | - R Brisebois
- From the University of Alberta, Edmonton, Alta
| | - N Bradley
- From the University of Alberta, Edmonton, Alta
| | - R Wigen
- From Western University, London, Ont
| | - E Walser
- From Western University, London, Ont
| | | | | | - K Vogt
- From Western University, London, Ont
| | - R Hilsden
- From Western University, London, Ont
| | - N Parry
- From Western University, London, Ont
| | - L Allen
- From Western University, London, Ont
| | - K Leslie
- From Western University, London, Ont
| | - R Raskin
- From Dalhousie University, Halifax, N.S
| | - J Jones
- From Dalhousie University, Halifax, N.S
| | - K Neumann
- From Dalhousie University, Halifax, N.S
| | - C Dwyer
- University of Alberta, Edmonton, Alta
| | | | - N Bradley
- University of Alberta, Edmonton, Alta
| | | | - K Lobay
- University of Alberta, Edmonton, Alta
| | | | - E Chang
- University of Alberta, Edmonton, Alta
| | - S Widder
- University of Alberta, Edmonton, Alta
| | - R Anantha
- University of Alberta, Edmonton, Alta
| | - W Sun
- University of Alberta, Edmonton, Alta
| | - J Beck
- Royal Alexandra Hospital, Edmonton, Alta
| | - R Anantha
- University of Alberta, Edmonton, Alta
| | - R Liu
- From Western University, London, Ont
| | | | - S Jones
- From Western University, London, Ont
| | | | | | - M Ott
- From Western University, London, Ont
| | - E Schmitz
- From the University of Ottawa, Ottawa, Ont
| | - I Raiche
- From the University of Ottawa, Ottawa, Ont
| | - W Sun
- University of Alberta, Edmonton, Alta
| | | | - J Dang
- University of Alberta, Edmonton, Alta
| | - V Mocanu
- University of Alberta, Edmonton, Alta
| | - G Lutzak
- University of Alberta, Edmonton, Alta
| | | | - C Wong
- University of Alberta, Edmonton, Alta
| | - S Karmali
- University of Alberta, Edmonton, Alta
| | - E Schmitz
- From the University of Ottawa, Ottawa, Ont
| | - M Petrera
- From the University of Ottawa, Ottawa, Ont
| | - M Pickell
- From the University of Ottawa, Ottawa, Ont
| | - R Auer
- From the University of Ottawa, Ottawa, Ont
| | - N Patro
- From McMaster University, Hamilton, Ont
| | - B Li
- From McMaster University, Hamilton, Ont
| | - Y Lee
- From McMaster University, Hamilton, Ont
| | - H Wilson
- From the University of Alberta, Edmonton, Alta
| | - V Mocanu
- From the University of Alberta, Edmonton, Alta
| | - W Sun
- From the University of Alberta, Edmonton, Alta
| | - J Dang
- From the University of Alberta, Edmonton, Alta
| | - U Jogiat
- From the University of Alberta, Edmonton, Alta
| | - J Kung
- From the University of Alberta, Edmonton, Alta
| | - N Switzer
- From the University of Alberta, Edmonton, Alta
| | - S Karmali
- From the University of Alberta, Edmonton, Alta
| | - C Wong
- From the University of Alberta, Edmonton, Alta
| | - C Li
- University of Alberta, Edmonton, Alta
| | | | - A Cieply
- University of Alberta, Edmonton, Alta
| | - H Hawes
- University of British Columbia, Vancouver, B.C
| | - E Joos
- University of British Columbia, Vancouver, B.C
| | - A Saleh
- University of Alberta, Edmonton, Alta
| | - C Li
- University of Alberta, Edmonton, Alta
| | - A Saleh
- University of Alberta, Edmonton, Alta
| | - P Engels
- McMaster University, Hamilton, Ont
| | - J Drung
- From the University of Western Ontario, London, Ont
| | - L Allen
- From the University of Western Ontario, London, Ont
| | - K Leslie
- From the University of Western Ontario, London, Ont
| | - G Pang
- From Western University, London, Ont
| | - M Kwong
- From Western University, London, Ont
| | | | | | - J Hawel
- From Western University, London, Ont
| | - A Elnahas
- From Western University, London, Ont
| | | | | | - S Chadi
- University of Toronto, Toronto, Ont
| | | | - D Chang
- Harvard University, Cambridge, Mass
| | - M Hutter
- Harvard University, Cambridge, Mass
| | - R Spence
- Dalhousie University, Halifax, N.S
| | | | - M Boutros
- Jewish General Hospital, Montreal, Que
| | | | - N Morin
- Jewish General Hospital, Montreal, Que
| | - Y Longtin
- Jewish General Hospital, Montreal, Que
| | - S Liberman
- McGill University Health Centre, Montreal, Que
| | | | | | - M Poirier
- Hôpital Maisonneuve-Rosemont, Université de Montréal, Montreal, Que
| | | | - H Sebajang
- Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - R Younan
- Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - F Schwenter
- Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - E De Broux
- Centre hospitalier de l'Université de Montreal, Montreal, Que
| | - K Larsen
- University of Toronto, Toronto, Ont
| | | | | | - J Nantais
- University of Manitoba, Winnipeg, Man
| | - D Gomez
- University of Toronto, Toronto, Ont
| | - L Lan
- McMaster University, Hamilton, Ont
| | - R Mao
- McMaster University, Hamilton, Ont
| | - J Kay
- McMaster University, Hamilton, Ont
| | - R Lohre
- University of British Columbia, Vancouver, B.C
| | - O Ayeni
- McMaster University, Hamilton, Ont
| | - D Goel
- University of British Columbia, Vancouver, B.C
| | - D de Sa
- McMaster University, Hamilton, Ont
| | - R He
- University of Alberta, Edmonton, Alta
| | - D Hylton
- McMaster University, Hamilton, Ont
| | - E Bedard
- University of Alberta, Edmonton, Alta
| | - S Johnson
- University of Alberta, Edmonton, Alta
| | - B Laing
- University of Alberta, Edmonton, Alta
| | - A Valji
- University of Alberta, Edmonton, Alta
| | | | - S Turner
- University of Alberta, Edmonton, Alta
| | | | | | | | | | | | | | | | - V Gupta
- University of Toronto, Toronto, Ont
| | - B Kidane
- University of Manitoba, Winnipeg, Man
| | | | | | | | | | - Y Patel
- McMaster University, Hamilton, Ont
| | | | - D Hylton
- McMaster University, Hamilton, Ont
| | - F Xie
- McMaster University, Hamilton, Ont
| | - A Seely
- University of Ottawa, Ottawa, Ont
| | - J Spicer
- McGill University, Montreal, Que
| | - B Kidane
- University of Manitoba, Winnipeg, Man
| | - S Turner
- University of Alberta, Edmonton, Alta
| | | | - W Hanna
- McMaster University, Hamilton, Ont
| | - U Jogiat
- From the University of Alberta, Edmonton, Alta
| | - W Sun
- From the University of Alberta, Edmonton, Alta
| | - J Dang
- From the University of Alberta, Edmonton, Alta
| | - V Mocanu
- From the University of Alberta, Edmonton, Alta
| | - J Kung
- From the University of Alberta, Edmonton, Alta
| | - S Karmali
- From the University of Alberta, Edmonton, Alta
| | - S Turner
- From the University of Alberta, Edmonton, Alta
| | - N Switzer
- From the University of Alberta, Edmonton, Alta
| | - Y Patel
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - I Churchill
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - K Sullivan
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - M Beauchamp
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - J Wald
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - L Mbuagbaw
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - J Agzarian
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - Y Shargall
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - C Finley
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - C Fahim
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - W Hanna
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - M Abbas
- From McMaster University, Hamilton, Ont
| | - O Olaiya
- From McMaster University, Hamilton, Ont
| | - H Begum
- From McMaster University, Hamilton, Ont
| | | | - C Finley
- From McMaster University, Hamilton, Ont
| | - W Hanna
- From McMaster University, Hamilton, Ont
| | | | | | - A Ednie
- Western University, London, Ont
| | - D Palma
- Western University, London, Ont
| | | | | | | | - M Qiabi
- Western University, London, Ont
| | - R Nayak
- Western University, London, Ont
| | | | - A Louie
- Sunnybrook Health Sciences Centre
| | | | | | - J Laba
- Western University, London, Ont
| | | | - J Alaichi
- From McMaster University, Hamilton, Ont
| | - Y Patel
- From McMaster University, Hamilton, Ont
| | - W Hanna
- From McMaster University, Hamilton, Ont
| | - S Turner
- From the University of Alberta, Edmonton, Alta
| | - B Mador
- From the University of Alberta, Edmonton, Alta
| | - H Lai
- From the University of Alberta, Edmonton, Alta
| | - J White
- From the University of Alberta, Edmonton, Alta
| | - M Kim
- From the University of Alberta, Edmonton, Alta
| | | | - B Kidane
- University of Manitoba, Winnipeg, Man
| | - A Louie
- Sunnybrook Health Sciences Centre, Toronto, Ont
| | - V Zuk
- Sunnybrook Health Sciences Centre, Toronto, Ont
| | - G Darling
- Toronto General Hospital, Toronto, Ont
| | | | - T Chesney
- St. Michael's Hospital, Toronto, Ont
| | - N Coburn
- Sunnybrook Health Sciences Centre, Toronto, Ont
| | - J Hallet
- Sunnybrook Health Sciences Centre, Toronto, Ont
| | - Y Lee
- McMaster University, Hamilton, Ont
| | | | - M Lee
- University of Toronto, Toronto, Ont
| | - L Thiru
- McMaster University, Hamilton, Ont
| | | | - C Finley
- McMaster University, Hamilton, Ont
| | - W Hanna
- McMaster University, Hamilton, Ont
| | - O Levine
- McMaster University, Hamilton, Ont
| | | | | | - R Nayak
- Western University, London, Ont
| | - S Brogly
- Queen's University, Kingston, Ont
| | - W Li
- ICES Queen's, Kingston, Ont
| | | | | | - N Mistry
- From McMaster University, Hamilton, Ont
| | - A Gatti
- From McMaster University, Hamilton, Ont
| | | | - Y Patel
- From McMaster University, Hamilton, Ont
| | - W Hanna
- From McMaster University, Hamilton, Ont
| | - S Abdul
- University of Ottawa, Ottawa, Ont
| | - C Anestee
- Ottawa Hospital Research Institute, Ottawa, Ont
| | | | | | - A Seely
- University of Ottawa, Ottawa, Ont
| | | | - D Maziak
- University of Ottawa, Ottawa, Ont
| | - R Razzak
- University of Manitoba, Winnipeg, Man
| | - A Ashrafi
- University of British Columbia, Vancouver, B.C
| | | | | | - S Stone
- University of British Columbia, Vancouver, B.C
| | | | - T Bong
- Fraser Health Authority, B.C
| | - R Bond
- University of British Columbia, Vancouver, B.C
| | - A Hafizi
- Surrey Thoracic Surgery Group, Surrey, B.C
| | - M De Meo
- Research Institute of the McGill University Health Centre, Montreal, Que
| | - R Rayes
- Research Institute of the McGill University Health Centre, Montreal, Que
| | - S Milette
- Research Institute of the McGill University Health Centre, Montreal, Que
| | - M Vagai
- Research Institute of the McGill University Health Centre, Montreal, Que
| | - M Usatii
- Research Institute of the McGill University Health Centre, Montreal, Que
| | | | - B Giannias
- Research Institute of the McGill University Health Centre, Montreal, Que
| | - F Bourdeau
- Research Institute of the McGill University Health Centre, Montreal, Que
| | - V Sangwan
- Research Institute of the McGill University Health Centre, Montreal, Que
| | - N Bertos
- Research Institute of the McGill University Health Centre, Montreal, Que
| | - C Moraes
- McGill University, Montreal, Que
| | - S Huang
- McGill University, Montreal, Que
| | - D Quail
- McGill University, Montreal, Que
| | - L Walsh
- McGill University, Montreal, Que
| | - S Camilleri-Broet
- Research Institute of the McGill University Health Centre, Montreal, Que
| | - P Fiset
- Research Institute of the McGill University Health Centre, Montreal, Que
| | - J Cools-Lartigue
- Research Institute of the McGill University Health Centre, Montreal, Que
| | - L Ferri
- Research Institute of the McGill University Health Centre, Montreal, Que
| | - J Spicer
- Research Institute of the McGill University Health Centre, Montreal, Que
| | - A Kammili
- McGill University Health Centre, Montreal, Que
| | - E Bilgic
- McGill University Health Centre, Montreal, Que
| | | | | | - S Najmeh
- McGill University Health Centre, Montreal, Que
| | - C Mueller
- McGill University Health Centre, Montreal, Que
| | - L Esther
- From McMaster University, Hamilton, Ont
| | - H Begum
- From McMaster University, Hamilton, Ont
| | | | - W Hanna
- From McMaster University, Hamilton, Ont
| | - C Finley
- From McMaster University, Hamilton, Ont
| | | | - Y Lee
- McMaster University, Hamilton, Ont
| | - J Lu
- University of Toronto, Toronto, Ont
| | - R Malhan
- McMaster University, Hamilton, Ont
| | | | - C Finley
- McMaster University, Hamilton, Ont
| | - W Hanna
- McMaster University, Hamilton, Ont
| | | | - S Brophy
- From Dalhousie University, Halifax, N.S
| | - K Brennan
- From Dalhousie University, Halifax, N.S
| | - D French
- From Dalhousie University, Halifax, N.S
| | - V Resende
- Ottawa Hospital Research Institute, Ottawa, Ont
| | | | - O Solaja
- The Ottawa Hospital, Ottawa, Ont
| | | | - D Maziak
- The Ottawa Hospital, Ottawa, Ont
| | - A Seely
- The Ottawa Hospital, Ottawa, Ont
| | | | | | - D Sisson
- From the University of Toronto, Toronto, Ont
| | - L Donahoe
- From the University of Toronto, Toronto, Ont
| | - P Bedard
- From the University of Toronto, Toronto, Ont
| | - A Hansen
- From the University of Toronto, Toronto, Ont
| | - M De Perrot
- From the University of Toronto, Toronto, Ont
| | | | - A Simone
- University of Ottawa, Ottawa, Ont
| | - H Begum
- McMaster University, Hamilton, Ont
| | - W Hanna
- McMaster University, Hamilton, Ont
| | | | - S Turner
- University of Alberta, Edmonton, Alta
| | - J Huang
- Memorial Sloan Kettering Cancer Center, New York, N.Y
| | - H Lai
- University of Alberta, Edmonton, Alta
| | - E Bedard
- University of Alberta, Edmonton, Alta
| | | | - S Murthy
- Cleveland Clinic, Cleveland, Ohio
| | - J Lin
- University of Michigan, Ann Arbor, Mich
| | | | | | - B Kidane
- University of Manitoba, Winnipeg, Man
| | - A Seely
- University of Ottawa, Ottawa, Ont
| | - H Li
- Beijing Chao-yang Hospital, Capital Medical University, Beijing, China
| | | | | | - E Lau
- McMaster University, Hamilton, Ont
| | | | - W Hanna
- McMaster University, Hamilton, Ont
| | - C Finley
- McMaster University, Hamilton, Ont
| | | | | | | | - V Gupta
- University of Toronto, Toronto, Ont
| | | | - L Davis
- McGill University, Montreal, Que
| | | | - B Kidane
- University of Toronto, Toronto, Ont
| | - G Darling
- University Health Network, Toronto, Ont
| | - N Coburn
- Sunnybrook Health Sciences Centre, Toronto, Ont
| | - C Huynh
- From McGill University, Montreal, Que
| | | | - L Ferri
- From McGill University, Montreal, Que
| | - S Najmeh
- From McGill University, Montreal, Que
| | - C Sirois
- From McGill University, Montreal, Que
| | - D Mulder
- From McGill University, Montreal, Que
| | - J Spicer
- From McGill University, Montreal, Que
| | | | | | - D Nguyen
- From the University of Ottawa, Ottawa, Ont
| | - C Anstee
- From the University of Ottawa, Ottawa, Ont
| | - E Delic
- From the University of Ottawa, Ottawa, Ont
| | - S Gilbert
- From the University of Ottawa, Ottawa, Ont
| | - D Maziak
- From the University of Ottawa, Ottawa, Ont
| | | | - A Seely
- From the University of Ottawa, Ottawa, Ont
| | - D Sisson
- University of Toronto, Toronto, Ont
| | | | | | - D Low
- Virginia Mason Medical Center, Seattle, Wash
| | | | - S Turner
- University of Alberta, Edmonton, Alta
| | - M Humer
- From the University of British Columbia, Kelowna, B.C
| | - S Abdul
- University of Ottawa, Ottawa, Ont
| | - D Nguyen
- University of Ottawa, Ottawa, Ont
| | - A Al Rawahi
- Department of Surgery, University of Ottawa, Ottawa, Ont
| | - C Anstee
- Ottawa Hospital Research Institute, Ottawa, Ont
| | - E Delic
- Ottawa Hospital Research Institute, Ottawa, Ont
| | | | | | - D Maziak
- University of Ottawa, Ottawa, Ont
| | - A Seely
- University of Ottawa, Ottawa, Ont
| | | | | | | | - C Anstee
- Ottawa Hospital Research Institute, Ottawa, Ont
| | - E Delic
- Ottawa Hospital Research Institute, Ottawa, Ont
| | | | | | - D Maziak
- University of Ottawa, Ottawa, Ont
| | - A Seely
- University of Ottawa, Ottawa, Ont
| | - Y Patel
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - M Kay
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - I Churchill
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - K Sullivan
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - Y Shargall
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - B Shayegan
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - A Adili
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | - W Hanna
- From McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ont
| | | | - C Huynh
- From McGill University, Montreal, Que
| | | | | | - F Maleki
- From McGill University, Montreal, Que
| | - K Ovens
- From McGill University, Montreal, Que
| | - M Gold
- From McGill University, Montreal, Que
| | - M Sorin
- From McGill University, Montreal, Que
| | - R Falutz
- From McGill University, Montreal, Que
| | - R Rayes
- From McGill University, Montreal, Que
| | | | - J Spicer
- From McGill University, Montreal, Que
| | - N Hunka
- From the University of Saskatchewan, Saskatoon, Sask
| | - R Kennedy
- From the University of Saskatchewan, Saskatoon, Sask
| | - R Bigsby
- From the University of Saskatchewan, Saskatoon, Sask
| | - S Bharadwaj
- From the University of Saskatchewan, Saskatoon, Sask
| | - S Gowing
- From the University of Saskatchewan, Saskatoon, Sask
| | | | - A Gatti
- From McMaster University, Hamilton, Ont
| | - D Hylton
- From McMaster University, Hamilton, Ont
| | | | - Y Patel
- From McMaster University, Hamilton, Ont
| | | | | | - W Hanna
- From McMaster University, Hamilton, Ont
| | - C Finley
- From McMaster University, Hamilton, Ont
| | - H Begum
- From McMaster University, Hamilton, Ont
| | - K Pearce
- From McMaster University, Hamilton, Ont
| | | | - W Hanna
- From McMaster University, Hamilton, Ont
| | | | | | - D Jones
- From The Ottawa Hospital, Ottawa, Ont
| | - C Anstee
- From The Ottawa Hospital, Ottawa, Ont
| | - S Kumar
- From The Ottawa Hospital, Ottawa, Ont
| | | | - A Simone
- From The Ottawa Hospital, Ottawa, Ont
| | | | - K Thavorn
- From The Ottawa Hospital, Ottawa, Ont
| | - A Seely
- From The Ottawa Hospital, Ottawa, Ont
| | - V Gupta
- From the University of Toronto, Toronto, Ont
| | | | - A Mohammed
- From the University of Toronto, Toronto, Ont
| | - S Uddin
- From the University of Toronto, Toronto, Ont
| | - D Jones
- From the University of Toronto, Toronto, Ont
| | - A Behzadi
- From the University of Toronto, Toronto, Ont
| | - A Brar
- From the University of Toronto, Toronto, Ont
| | - L Qu
- From Western University, London, Ont
| | - M Qiabi
- From Western University, London, Ont
| | - R Nayak
- From Western University, London, Ont
| | | | - E Peters
- From the University of Manitoba, Winnipeg, Man
| | - G Buduhan
- From the University of Manitoba, Winnipeg, Man
| | - L Tan
- From the University of Manitoba, Winnipeg, Man
| | - R Liu
- From the University of Manitoba, Winnipeg, Man
| | - S Srinathan
- From the University of Manitoba, Winnipeg, Man
| | - B Kidane
- From the University of Manitoba, Winnipeg, Man
| | - V Gupta
- University of Toronto, Toronto, Ont
| | - J Levy
- University of Toronto, Toronto, Ont
| | - B Kidane
- University of Manitoba, Winnipeg, Man
| | - A Mahar
- University of Manitoba, Winnipeg, Man
| | | | | | | | - N Coburn
- University of Toronto, Toronto, Ont
| | - M Robinson
- From the University of Manitoba, Winnipeg, Man
| | - L Bednarek
- From the University of Manitoba, Winnipeg, Man
| | - G Buduhan
- From the University of Manitoba, Winnipeg, Man
| | - R Liu
- From the University of Manitoba, Winnipeg, Man
| | - L Tan
- From the University of Manitoba, Winnipeg, Man
| | - S Srinathan
- From the University of Manitoba, Winnipeg, Man
| | - B Kidane
- From the University of Manitoba, Winnipeg, Man
| | - H Wang
- From Dalhousie University, Halifax, N.S
| | - D French
- From Dalhousie University, Halifax, N.S
| | | | - K Graham
- From the University of Manitoba, Winnipeg, Man
| | - S Enns
- From the University of Manitoba, Winnipeg, Man
| | - G Buduhan
- From the University of Manitoba, Winnipeg, Man
| | - S Srinathan
- From the University of Manitoba, Winnipeg, Man
| | - R Liu
- From the University of Manitoba, Winnipeg, Man
| | - A Tan
- From the University of Manitoba, Winnipeg, Man
| | - B Kidane
- From the University of Manitoba, Winnipeg, Man
| | | | - E Poole
- University of Manitoba, Winnipeg, Man
| | - C Pascoe
- Children's Hospital Research Institute of Manitoba, Winnipeg, Man
| | - T Karakach
- Children's Hospital Research Institute of Manitoba, Winnipeg, Man
| | - G Buduhan
- University of Manitoba, Winnipeg, Man
| | - L Tan
- University of Manitoba, Winnipeg, Man
| | | | - A Halayko
- Children's Hospital Research Institute of Manitoba, Winnipeg, Man
| | - B Kidane
- University of Manitoba, Winnipeg, Man
| | - K Verhoeff
- From the University of Alberta, Edmonton, Alta
| | - V Mocanu
- From the University of Alberta, Edmonton, Alta
| | - B Fang
- From the University of Alberta, Edmonton, Alta
| | - J Dang
- From the University of Alberta, Edmonton, Alta
| | - J Kung
- From the University of Alberta, Edmonton, Alta
| | - N Switzer
- From the University of Alberta, Edmonton, Alta
| | - D Birch
- From the University of Alberta, Edmonton, Alta
| | - S Karmali
- From the University of Alberta, Edmonton, Alta
| | - G Johnson
- From the University of Manitoba, Winnipeg, Man
| | - H Singh
- From the University of Manitoba, Winnipeg, Man
| | - A Vergis
- From the University of Manitoba, Winnipeg, Man
| | - J Park
- From the University of Manitoba, Winnipeg, Man
| | - O Hershorn
- From the University of Manitoba, Winnipeg, Man
| | - D Hochman
- From the University of Manitoba, Winnipeg, Man
| | - R Helewa
- From the University of Manitoba, Winnipeg, Man
| | - G Johnson
- From the University of Manitoba, Winnipeg, Man
| | - R Robertson
- From the University of Manitoba, Winnipeg, Man
| | - A Vergis
- From the University of Manitoba, Winnipeg, Man
| | - G Johnson
- From the University of Manitoba, Winnipeg, Man
| | - A Vergis
- From the University of Manitoba, Winnipeg, Man
| | - H Singh
- From the University of Manitoba, Winnipeg, Man
| | - J Park
- From the University of Manitoba, Winnipeg, Man
| | - R Helewa
- From the University of Manitoba, Winnipeg, Man
| | - A Azin
- From the University of Toronto, Toronto, Ont
| | - C Cahill
- University of Calgary, Calgary, Alta
| | - M Lipson
- University of Calgary, Calgary, Alta
| | - A Afzal
- University of Calgary, Calgary, Alta
| | - A Maclean
- University of Calgary, Calgary, Alta
| | - C Wong
- University of Alberta, Edmonton, Alta
| | - S Roen
- University of Calgary, Calgary, Alta
| | - W Buie
- University of Calgary, Calgary, Alta
| | | | | | - M Chu
- From McMaster University, Hamilton, Ont
| | - Y Lee
- From McMaster University, Hamilton, Ont
| | - N Amin
- From McMaster University, Hamilton, Ont
| | - D Hong
- From McMaster University, Hamilton, Ont
| | | | | | - K Ramji
- McMaster University, Hamilton, Ont
| | - C Kruse
- McMaster University, Hamilton, Ont
| | - H Jaffer
- University of Toronto, Toronto, Ont
| | | | - N Amin
- McMaster University, Hamilton, Ont
| | | | - D Hong
- McMaster University, Hamilton, Ont
| | | | - R Hajjar
- Centre de recherche du Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - M Oliero
- Centre de recherche du Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - T Cuisiniere
- Centre de recherche du Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - G Fragoso
- Centre de recherche du Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - A Calvé
- Centre de recherche du Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - S Djediai
- Université du Québec à Montréal, Montreal, Que
| | - B Annabi
- Université du Québec à Montréal, Montreal, Que
| | - C Richard
- Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - M Santos
- Centre de recherche du Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - K Purich
- From the University of Alberta, Edmonton, Alta
| | - Y Zhou
- From the University of Alberta, Edmonton, Alta
| | - S Dodd
- From the University of Alberta, Edmonton, Alta
| | - B Ring
- From the University of Alberta, Edmonton, Alta
| | - Y Yuan
- From the University of Alberta, Edmonton, Alta
| | - J White
- From the University of Alberta, Edmonton, Alta
| | | | | | | | - N Morin
- Jewish General Hospital, Montreal, Que
| | | | - J Faria
- Jewish General Hospital, Montreal, Que
| | | | | | - M Boutros
- Jewish General Hospital, Montreal, Que
| | | | - E Salama
- Jewish General Hospital, Montreal, Que
| | | | - N Morin
- Jewish General Hospital, Montreal, Que
| | | | - J Faria
- Jewish General Hospital, Montreal, Que
| | | | - M Boutros
- Jewish General Hospital, Montreal, Que
| | - G Talwar
- McMaster University, Hamilton, Ont
| | - R Daniel
- University of Toronto, Toronto, Ont
| | | | - O Levine
- McMaster University, Hamilton, Ont
| | | | | | | | | | | | | | - N Morin
- From McGill University, Montreal, Que
| | - M Boutros
- From McGill University, Montreal, Que
| | | | - A Chen
- McMaster University, Hamilton, Ont
| | - A Patel
- Western University, London, Ont
| | - Y Lee
- McMaster University, Hamilton, Ont
| | | | - D Hong
- McMaster University, Hamilton, Ont
| | | | | | | | | | - J Moon
- Jewish General Hospital, Montreal, Que
| | - M Demian
- Jewish General Hospital, Montreal, Que
| | | | - N Morin
- Jewish General Hospital, Montreal, Que
| | - M Boutros
- Jewish General Hospital, Montreal, Que
| | - R Selvam
- University of Ottawa, Ottawa, Ont
| | - H Moloo
- University of Ottawa, Ottawa, Ont
| | - H MacRae
- University of Toronto, Toronto, Ont
| | - F Alam
- University of Toronto, Toronto, Ont
| | - I Raiche
- University of Ottawa, Ottawa, Ont
| | - J Holland
- From McGill University, Montreal, Que
| | - M Cwintal
- From McGill University, Montreal, Que
| | - G Rigas
- From McGill University, Montreal, Que
| | | | - N Morin
- From McGill University, Montreal, Que
| | | | - J Faria
- From McGill University, Montreal, Que
| | - A Pang
- From McGill University, Montreal, Que
| | - M Boutros
- From McGill University, Montreal, Que
| | - J Holland
- From McGill University, Montreal, Que
| | - J Moon
- From McGill University, Montreal, Que
| | | | - N Morin
- From McGill University, Montreal, Que
| | | | - A Pang
- From McGill University, Montreal, Que
| | | | - M Boutros
- From McGill University, Montreal, Que
| | - C Brown
- From St. Paul's Hospital, Vancouver, B.C
| | | | - M Raval
- From St. Paul's Hospital, Vancouver, B.C
| | - P Phang
- From St. Paul's Hospital, Vancouver, B.C
| | - A Ghuman
- From St. Paul's Hospital, Vancouver, B.C
| | - M Li
- University of Calgary, Calgary, Alta
| | - S Muncner
- University of Alberta, Edmonton, Alta
| | | | - M Dykstra
- University of Alberta, Edmonton, Alta
| | | | - H Wang
- University of Alberta, Edmonton, Alta
| | - O Monton
- McMaster University, Hamilton, Ont
| | - A Smith
- Western University, London, Ont
| | - J Moon
- McGill University, Montreal, Que
| | - M Demian
- McGill University, Montreal, Que
| | | | | | | | | | - O AlAamer
- From King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - N AlSelaim
- From King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - M AlMalki
- From King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - A Al-Osail
- From King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - R Ruxton
- From Southland Hospital, Invercargill, New Zealand
| | - P Manuel
- From Southland Hospital, Invercargill, New Zealand
| | - F Mohamed
- From Southland Hospital, Invercargill, New Zealand
| | | | - S Serahati
- University of Saskatchewan, Saskatoon, Saskatchewan
| | | | - C Brown
- Providence Health Care, Vancouver, B.C
| | - M Raval
- Providence Health Care, Vancouver, B.C
| | | | - A Ghuman
- Providence Health Care, Vancouver, B.C
| | - T Phang
- Providence Health Care, Vancouver, B.C
| | | | - J Moon
- McGill University, Montreal, Que
| | | | - S Chadi
- University Health Network, Toronto, Ont
| | - K Alavi
- University of Massachusetts, Amherst, Mass
| | - I Paquette
- University of Cincinnati, Cincinnati, Ohio
| | - T MacLean
- University of Calgary, Calgary, Alta
| | - S Wexner
- Cleveland Clinic Florida, Weston, Fla
| | | | - S Steele
- Cleveland Clinic, Cleveland, Ohio
| | - J Park
- University of Manitoba, Winnipeg, Man
| | - S Patel
- Queen's University, Kingston, Ont
| | | | - R Auer
- The Ottawa Hospital, Ottawa, Ont
| | - P Sylla
- Icahn School of Medicine at Mount Sinai, New York, N.Y
| | - N Morin
- McGill University, Montreal, Que
| | - A Ghuman
- McGill University, Montreal, Que
| | | | - Z Bayat
- From the University of Toronto, Toronto, Ont
| | - E Kennedy
- From the University of Toronto, Toronto, Ont
| | - C Victor
- From the University of Toronto, Toronto, Ont
| | | | - J Liang
- From McGill University, Montreal, Que
| | | | - A Pang
- From McGill University, Montreal, Que
| | | | - J Faria
- From McGill University, Montreal, Que
| | - N Morin
- From McGill University, Montreal, Que
| | - M Boutros
- From McGill University, Montreal, Que
| | | | - H Roy
- University of Saskatchewan, Saskatoon, Sask
| | - Z Baig
- University of Saskatchewan, Saskatoon, Sask
| | | | - M Raval
- University of British Columbia, Vancouver, B.C
| | - C Brown
- University of British Columbia, Vancouver, B.C
| | - T Phang
- University of British Columbia, Vancouver, B.C
| | - D Gill
- University of Saskatchewan, Saskatoon, Sask
| | - N Ginther
- University of Saskatchewan, Saskatoon, Sask
| | - J Moon
- From McGill University, Montreal, Que
| | | | - A Pang
- From McGill University, Montreal, Que
| | | | - J Faria
- From McGill University, Montreal, Que
| | - N Morin
- From McGill University, Montreal, Que
| | | | - M Boutros
- From McGill University, Montreal, Que
| | - J Moon
- From McGill University, Montreal, Que
| | - A Pang
- From McGill University, Montreal, Que
| | | | - J Faria
- From McGill University, Montreal, Que
| | - N Morin
- From McGill University, Montreal, Que
| | | | - M Boutros
- From McGill University, Montreal, Que
| | - E Salama
- From McGill University, Montreal, Que
| | | | | | | | - J Faria
- From McGill University, Montreal, Que
| | - N Morin
- From McGill University, Montreal, Que
| | - M Boutros
- From McGill University, Montreal, Que
| | - V Wiseman
- From Queen's University, Kingston, Ont
| | - L Zhang
- From Queen's University, Kingston, Ont
| | | | | | | | | | - S V Patel
- From Queen's University, Kingston, Ont
| | - Z Harra
- From McGill University, Montreal, Que
| | | | | | - N Morin
- From McGill University, Montreal, Que
| | - M Boutros
- From McGill University, Montreal, Que
| | - A Pang
- From McGill University, Montreal, Que
| | - M Hegagi
- From McGill University, Montreal, Que
| | | | - N Morin
- From McGill University, Montreal, Que
| | | | | | - M Boutros
- From McGill University, Montreal, Que
| | | | | | | | - A Pang
- From McGill University, Montreal, Que
| | | | - M Boutros
- From McGill University, Montreal, Que
| | | | - N Kasteel
- University of Calgary, Calgary, Alta
| | - G Kaur
- University of Calgary, Calgary, Alta
| | - S Bindra
- University of Calgary, Calgary, Alta
| | - A Malhotra
- Vardhman Mahavir Medical College, New Delhi, India
| | - C Graham
- University of Calgary, Calgary, Alta
| | - A MacLean
- University of Calgary, Calgary, Alta
| | - P Beck
- University of Calgary, Calgary, Alta
| | - H Jijon
- University of Calgary, Calgary, Alta
| | - J Ferraz
- University of Calgary, Calgary, Alta
| | - W Buie
- University of Calgary, Calgary, Alta
| | - R Szwimer
- From McGill University, Montreal, Que
| | - J Moon
- From McGill University, Montreal, Que
| | - M Demian
- From McGill University, Montreal, Que
| | - A Pang
- From McGill University, Montreal, Que
| | - N Morin
- From McGill University, Montreal, Que
| | | | | | - M Boutros
- From McGill University, Montreal, Que
| | - A Azin
- From the University of Toronto, Toronto, Ont
| | | | - W Kong
- Queen's Cancer Research Institute, Kingston, Ont
| | | | - T Hanna
- Queen's University, Kingston, Ont
| | - W Chung
- Queen's University, Kingston, Ont
| | - S Nanji
- Queen's University, Kingston, Ont
| | - S Patel
- Queen's University, Kingston, Ont
| | - C Booth
- Queen's University, Kingston, Ont
| | - V Li
- From McMaster University, Hamilton, Ont
| | - A Awan
- From McMaster University, Hamilton, Ont
| | - P Serrano
- From McMaster University, Hamilton, Ont
| | - M Jacobson
- From the University of Calgary, Calgary, Alta
| | - M Chanco
- From the University of Calgary, Calgary, Alta
| | - V Wen
- From the University of Calgary, Calgary, Alta
| | - N Singh
- From the University of Calgary, Calgary, Alta
| | - L Peiris
- From the University of Calgary, Calgary, Alta
| | - J Pasieka
- From the University of Calgary, Calgary, Alta
| | - P Ghatage
- From the University of Calgary, Calgary, Alta
| | - D Buie
- From the University of Calgary, Calgary, Alta
| | - T MacLean
- From the University of Calgary, Calgary, Alta
| | | | - L Mack
- From the University of Calgary, Calgary, Alta
| | - W Marini
- From the University of Toronto, Toronto, Ont
| | - W Zheng
- From the University of Toronto, Toronto, Ont
| | - C Swallow
- From the University of Toronto, Toronto, Ont
| | - M Reedijk
- From the University of Toronto, Toronto, Ont
| | | | - L Peiris
- From the University of Alberta, Edmonton, Alta
| | | | - L Delmar
- From the University of Alberta, Edmonton, Alta
| | - N Gagnon
- Université de Sherbrooke, Sherbrooke, Que
| | | | | | | | | | | | - S Mysuria
- From the University of British Columbia, Vancouver, B.C
| | - A Bazzarelli
- From the University of British Columbia, Vancouver, B.C
| | - J Pao
- From the University of British Columbia, Vancouver, B.C
| | - L Chen
- From the University of British Columbia, Vancouver, B.C
| | - M Zhang
- From the University of British Columbia, Vancouver, B.C
| | - E McKevitt
- From the University of British Columbia, Vancouver, B.C
| | - R Warburton
- From the University of British Columbia, Vancouver, B.C
| | - U Kuusk
- From the University of British Columbia, Vancouver, B.C
| | - N Van Laeken
- From the University of British Columbia, Vancouver, B.C
| | - E Bovill
- From the University of British Columbia, Vancouver, B.C
| | - K Isaac
- From the University of British Columbia, Vancouver, B.C
| | - C Dingee
- From the University of British Columbia, Vancouver, B.C
| | | | | | | | - L Barbera
- University of Calgary, Calgary, Alta
| | - Y Efegoma
- University of Calgary, Calgary, Alta
| | - D Howell
- Princess Margaret Research Institute, Toronto, Ont
| | | | | | - A Scheer
- St. Michael's Hospital, Toronto, Ont
| | - C Simmons
- University of British Columbia, Vancouver, B.C
| | | | | | - Y Xu
- University of Calgary, Calgary, Alta
| | | | - M Quan
- University of Calgary, Calgary, Alta
| | - A Alqaydi
- From Queen's University, Kingston, Ont
| | - J la
- From Queen's University, Kingston, Ont
| | | | - G Digby
- From Queen's University, Kingston, Ont
| | - V Pravong
- University of Montreal, Montreal, Que
| | | | - L Sidéris
- Maisonneuve-Rosemont Hospital, Montreal, Que
| | - P Dubé
- Maisonneuve-Rosemont Hospital, Montreal, Que
| | | | - S Fortin
- University of Montreal, Montreal, Que
| | - M Auclair
- University of Montreal, Montreal, Que
| | - B Trilling
- Maisonneuve-Rosemont Hospital, Montreal, Que
| | - J Tremblay
- Maisonneuve-Rosemont Hospital, Montreal, Que
| | - É Di Lena
- From McGill University, Montreal, Que
| | - B Hopkins
- From McGill University, Montreal, Que
| | - S Wong
- From McGill University, Montreal, Que
| | | | - É Di Lena
- From McGill University, Montreal, Que
| | - N Barone
- From McGill University, Montreal, Que
| | - B Hopkins
- From McGill University, Montreal, Que
| | - S Dumitra
- From McGill University, Montreal, Que
| | - P Kaneva
- From McGill University, Montreal, Que
| | - J Fiore
- From McGill University, Montreal, Que
| | | | - S Mysuria
- From the University of British Columbia, Vancouver, B.C
| | - E McKevitt
- From the University of British Columbia, Vancouver, B.C
| | - R Warburton
- From the University of British Columbia, Vancouver, B.C
| | - L Chen
- From the University of British Columbia, Vancouver, B.C
| | - A Bazzarelli
- From the University of British Columbia, Vancouver, B.C
| | - J Pao
- From the University of British Columbia, Vancouver, B.C
| | - E Bovill
- From the University of British Columbia, Vancouver, B.C
| | - M Zhang
- From the University of British Columbia, Vancouver, B.C
| | - U Kuusk
- From the University of British Columbia, Vancouver, B.C
| | - K Isaac
- From the University of British Columbia, Vancouver, B.C
| | - N Van Laeken
- From the University of British Columbia, Vancouver, B.C
| | - C Dingee
- From the University of British Columbia, Vancouver, B.C
| | - H Kapur
- From the University of British Columbia, Vancouver, B.C
| | - E McKevitt
- From the University of British Columbia, Vancouver, B.C
| | - R Warburton
- From the University of British Columbia, Vancouver, B.C
| | - J Pao
- From the University of British Columbia, Vancouver, B.C
| | - C Dingee
- From the University of British Columbia, Vancouver, B.C
| | - A Bazarelli
- From the University of British Columbia, Vancouver, B.C
| | - U Kuusk
- From the University of British Columbia, Vancouver, B.C
| | - L Chen
- From the University of British Columbia, Vancouver, B.C
| | - L Cadili
- From the University of British Columbia, Vancouver, B.C
| | - K DeGirolamo
- From the University of British Columbia, Vancouver, B.C
| | - E McKevitt
- From the University of British Columbia, Vancouver, B.C
| | - J Pao
- From the University of British Columbia, Vancouver, B.C
| | - C Dingee
- From the University of British Columbia, Vancouver, B.C
| | - A Bazzarelli
- From the University of British Columbia, Vancouver, B.C
| | - R Warburton
- From the University of British Columbia, Vancouver, B.C
| | - D Ng
- From the University of Toronto, Toronto, Ont
| | - A Ali
- From the University of Toronto, Toronto, Ont
| | - D Eymae
- From the University of Toronto, Toronto, Ont
| | - K Lee
- From the University of Toronto, Toronto, Ont
| | - S Brar
- From the University of Toronto, Toronto, Ont
| | - J Conner
- From the University of Toronto, Toronto, Ont
| | - M Magalhaes
- From the University of Toronto, Toronto, Ont
| | - C Swallow
- From the University of Toronto, Toronto, Ont
| | - K Allen
- From the University of British Columbia, Vancouver, B.C
| | - C Baliski
- From the University of British Columbia, Vancouver, B.C
| | - D Cyr
- University of Toronto, Toronto, Ont
| | - A Sari
- Sinai Health System, Toronto, Ont
| | | | - D Driman
- London Health Sciences Centre, London, Ont
| | | | - A Juda
- Sinai Health System, Toronto, Ont
| | | | | | - M Brar
- University of Toronto, Toronto, Ont
| | - J Conner
- Sinai Health System, Toronto, Ont
| | - R Kirsch
- Sinai Health System, Toronto, Ont
| | | | - K Singh
- University of Toronto, Toronto, Ont
| | | | - Y Gamache
- ASDevices, Spira Innovations, Thetford, Que
| | | | - C Mardinger
- From the University of Calgary, Calgary, Alta
| | - C Lee
- From the University of Calgary, Calgary, Alta
| | - R Duckworth
- From the University of Calgary, Calgary, Alta
| | - M Brindle
- From the University of Calgary, Calgary, Alta
| | - F Fraulin
- From the University of Calgary, Calgary, Alta
| | - L Austen
- From the University of Calgary, Calgary, Alta
| | - J Kortbeek
- From the University of Calgary, Calgary, Alta
| | - M Hyndman
- From the University of Calgary, Calgary, Alta
| | - D Nguyen
- From McGill University, Montreal, Que
| | - G Jamjoum
- From McGill University, Montreal, Que
| | | | - S Langer
- University of Calgary, Calgary, Alta
| | - Y Yuan Xu
- University of Calgary, Calgary, Alta
| | - S Kong
- Alberta Health Services, Calgary, Alta
| | - M Quan
- University of Calgary, Calgary, Alta
| | - D Lim
- Women's College Hospital, Toronto, Ont
| | | | | | - K Butler
- University Health Network, Toronto, Ont
| | | | - T Cil
- University of Toronto, Toronto, Ont
| | - T Zhong
- University of Toronto, Toronto, Ont
| | - S Hofer
- University of Toronto, Toronto, Ont
| | | | | | - D Lim
- Women's College Hospital, Toronto, Ont
| | - B Greene
- University of Toronto, Toronto, Ont
| | | | - M Parapini
- University of British Columbia, Vancouver, B.C
| | - J Skipworth
- University Hospitals Bristol and Weston NHS Foundation Trust, Bristol, U.K
| | - A Mah
- University of British Columbia, Vancouver, B.C
| | - S Desai
- University of British Columbia, Vancouver, B.C
| | - S Chung
- University of British Columbia, Vancouver, B.C
| | - C Scudamore
- University of British Columbia, Vancouver, B.C
| | - M Segedi
- University of British Columbia, Vancouver, B.C
| | - E Vasilyeva
- University of British Columbia, Vancouver, B.C
| | - J Li
- University of British Columbia, Vancouver, B.C
| | - P Kim
- University of British Columbia, Vancouver, B.C
| | - K Verhoeff
- From the University of Alberta, Edmonton, Alta
| | - A Deprato
- From the University of Alberta, Edmonton, Alta
| | - K Purich
- From the University of Alberta, Edmonton, Alta
| | - J Kung
- From the University of Alberta, Edmonton, Alta
| | - D Bigam
- From the University of Alberta, Edmonton, Alta
| | - K Dajani
- From the University of Alberta, Edmonton, Alta
| | - T Lenet
- University of Ottawa, Ottawa, Ont
| | | | - R Smoot
- Mayo Clinic, Rochester, Minn
| | - G Martel
- The Ottawa Hospital, Ottawa, Ont
| | - C Tzeng
- MD Anderson Cancer Center, Houston, Tex
| | - F Rocha
- Oregon Health & Science University, Portland, Ore
| | | | | | | | | | | | | | - N Hanna
- Queen's University, Kingston, Ont
| | - S Brogly
- Queen's University, Kingston, Ont
| | | | - C Booth
- Queen's University, Kingston, Ont
| | - S Nanji
- Queen's University, Kingston, Ont
| | | | - N Coburn
- University of Toronto, Toronto, Ont
| | - A Mahar
- University of Manitoba, Winnipeg, Man
| | - J Callum
- Queen's University, Kingston, Ont
| | | | | | - A Wei
- Memorial Sloan Kettering Cancer Center, New York, N.Y
| | | | - J Hallet
- University of Toronto, Toronto, Ont
| | | | | | - A Wei
- Memorial Sloan Kettering Cancer Center, New York, N.Y
| | - A Mahar
- University of Manitoba, Winnipeg, Man
| | | | - G Martel
- University of Ottawa, Ottawa, Ont
| | - N Coburn
- University of Toronto, Toronto, Ont
| | - J Hallet
- University of Toronto, Toronto, Ont
| | - D Henault
- From the University of Montreal, Montreal, Que
| | - B Barrette
- From the University of Montreal, Montreal, Que
| | - S Pelletier
- From the University of Montreal, Montreal, Que
| | - P Thebault
- From the University of Montreal, Montreal, Que
| | | | - Z Rong
- From the University of Montreal, Montreal, Que
| | - M Plasse
- From the University of Montreal, Montreal, Que
| | | | | | - R Lapointe
- From the University of Montreal, Montreal, Que
| | | | - B Nguyen
- From the University of Montreal, Montreal, Que
| | - G Soucy
- From the University of Montreal, Montreal, Que
| | - S Turcotte
- From the University of Montreal, Montreal, Que
| | - M Lemke
- From Western University, London, Ont
| | - E Waugh
- From Western University, London, Ont
| | - K Leslie
- From Western University, London, Ont
| | - D Quan
- From Western University, London, Ont
| | - A Skaro
- From Western University, London, Ont
| | - E Tang
- From Western University, London, Ont
| | - M Lund
- From the University of Western Ontario, London, Ont
| | - L Allen
- From the University of Western Ontario, London, Ont
| | - J Glinka
- From the University of Western Ontario, London, Ont
| | - G Jada
- From the University of Western Ontario, London, Ont
| | - D Quan
- From the University of Western Ontario, London, Ont
| | - A Skaro
- From the University of Western Ontario, London, Ont
| | - E Tang
- From the University of Western Ontario, London, Ont
| | - L Park
- McMaster University, Hamilton, Ont
| | - J Daza
- University of Toronto, Toronto, Ont
| | - V Li
- McMaster University, Hamilton, Ont
| | | | - B Zhang
- McMaster University, Hamilton, Ont
| | | | - S Faisal
- Royal College of Surgeons in Ireland, Dublin, Ireland
| | - R Faisal
- Royal College of Surgeons in Ireland, Dublin, Ireland
| | - M Fabbro
- University of Toronto, Toronto, Ont
| | - C Gu
- McMaster University, Hamilton, Ont
| | | | - V Zuk
- University of Toronto, Toronto, Ont
| | - J Hallet
- University of Toronto, Toronto, Ont
| | - G Martel
- University of Ottawa, Ottawa, Ont
| | | | | | - J Glinka
- From the Western University, London, Ont
| | - A Skaro
- From the Western University, London, Ont
| | - K Leslie
- From the Western University, London, Ont
| | - G Jada
- From the Western University, London, Ont
| | - D Quan
- From the Western University, London, Ont
| | - E Tang
- From the Western University, London, Ont
| | - E Waugh
- From Western University, London, Ont
| | - M Lemke
- From Western University, London, Ont
| | - J Glinka
- From Western University, London, Ont
| | - A Skaro
- From Western University, London, Ont
| | - K Leslie
- From Western University, London, Ont
| | - E Tang
- From Western University, London, Ont
| | - E Waugh
- From Western University, London, Ont
| | | | - R Liu
- From Western University, London, Ont
| | - E Tang
- From Western University, London, Ont
| | - L Allen
- From Western University, London, Ont
| | - S Welch
- From Western University, London, Ont
| | - A Skaro
- From Western University, London, Ont
| | - K Leslie
- From Western University, London, Ont
| | - J Glinka
- From Western University, London, Ont
| | - E Waugh
- From Western University, London, Ont
| | - E Tang
- From Western University, London, Ont
| | - G Jada
- From Western University, London, Ont
| | - D Quan
- From Western University, London, Ont
| | - A Skaro
- From Western University, London, Ont
| | - A Webb
- From the University of Alberta, Edmonton, Alta
| | - E Lester
- From the University of Alberta, Edmonton, Alta
| | - A Shapiro
- From the University of Alberta, Edmonton, Alta
| | - D Eurich
- From the University of Alberta, Edmonton, Alta
| | - D Bigam
- From the University of Alberta, Edmonton, Alta
| | - Y Essaji
- From Virginia Mason Medical Center, Seattle, Wash
| | - H Shrader
- From the University of Iowa, Iowa City, Iowa
| | - A Nayyar
- From the University of Iowa, Iowa City, Iowa
| | - M Suraju
- From the University of Iowa, Iowa City, Iowa
| | | | - P Ear
- From the University of Iowa, Iowa City, Iowa
| | - C Chan
- From the University of Iowa, Iowa City, Iowa
| | - V Smith
- From Dalhousie University, Halifax, N.S
| | | | - A Costa
- From Dalhousie University, Halifax, N.S
| | - A Stueck
- From Dalhousie University, Halifax, N.S
| | | | - S Allen
- From Dalhousie University, Halifax, N.S
| | | | | | - T Lenet
- University of Ottawa, Ottawa, Ont
| | | | - R Smoot
- Mayo Clinic, Rochester, Minn
| | - C Tzeng
- MD Anderson Cancer Center, Houston, Tex
| | - F Rocha
- Oregon Health and Science University, Portland, Ore
| | - G Martel
- University of Ottawa, Ottawa, Ont
| | | | - Z Mir
- From Queen's University, Kingston, Ont
| | - H Golding
- From Queen's University, Kingston, Ont
| | - S McKeown
- From Queen's University, Kingston, Ont
| | - S Nanji
- From Queen's University, Kingston, Ont
| | | | - P Groome
- From Queen's University, Kingston, Ont
| | - Z Mir
- From Queen's University, Kingston, Ont
| | | | - S Nanji
- From Queen's University, Kingston, Ont
| | | | - P Groome
- From Queen's University, Kingston, Ont
| | - S Elbekri
- University of Sherbrooke, Sherbrooke, Que
| | - S Turcotte
- Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - E Girard
- Centre hospitalier universitaire de Grenoble Alpes, Grenoble, France
| | | | - R Lapointe
- Centre hospitalier de l'Université de Montréal, Montreal, Que
| | | | - M Dagenais
- Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - A Roy
- Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - R Letourneau
- Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - M Plasse
- Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - E Simoneau
- Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - Z Rong
- Centre hospitalier de l'Université de Montréal, Montreal, Que
| | - N Zuker
- From SUNY Upstate Medical University, Syracuse, N.Y
| | - M Oakley
- From SUNY Upstate Medical University, Syracuse, N.Y
| | - G Chartrand
- From the University of Montreal, Montreal, Que
| | - B Misheva
- From the University of Montreal, Montreal, Que
| | - Y Bendavid
- From the University of Montreal, Montreal, Que
| | - J Frigault
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - S Lemieux
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - D Breton
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - G Bouchard
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | - S Drolet
- From the Centre hospitalier universitaire de Québec - Université Laval, Québec, Que
| | | | - L Smith
- North York General Hospital, North York, Ont
| | - J Tan
- Humber River Hospital, North York, Ont
| | - U Kahn
- University of Toronto, Toronto, Ont
| | - C McLean
- From the University of Alberta, Edmonton, Alta
| | - V Mocanu
- From the University of Alberta, Edmonton, Alta
| | - D Birch
- From the University of Alberta, Edmonton, Alta
| | - S Karmali
- From the University of Alberta, Edmonton, Alta
| | - N Switzer
- From the University of Alberta, Edmonton, Alta
| | - M Fortin
- Centre hospitalier affilié universitaire régional de Trois-Rivières, Trois-Rivières, Que
| | - X Paré
- Centre hospitalier affilié universitaire régional de Trois-Rivières, Trois-Rivières, Que
| | - A Doyon
- Centre hospitalier affilié universitaire régional de Trois-Rivières, Trois-Rivières, Que
| | | | | | - J Yadav
- University of Toronto, Toronto, Ont
| | - S Fischer
- University Health Network, Toronto, Ont
| | - T Jackson
- University Health Network, Toronto, Ont
| | - J Allard
- University Health Network, Toronto, Ont
| | | | - Y Lee
- McMaster University, Hamilton, Ont
| | - S Anvari
- McMaster University, Hamilton, Ont
| | - M Chu
- McMaster University, Hamilton, Ont
| | | | - I Aditya
- University of Toronto, Toronto, Ont
| | - R Malhan
- McMaster University, Hamilton, Ont
| | | | - M Walsh
- McMaster University, Hamilton, Ont
| | | | - D Hong
- McMaster University, Hamilton, Ont
| | - W He
- From the University of Manitoba, Winnipeg, Man
| | - A Vergis
- From the University of Manitoba, Winnipeg, Man
| | - K Hardy
- From the University of Manitoba, Winnipeg, Man
| | - R Romanescu
- From the University of Manitoba, Winnipeg, Man
| | - F Deaninck
- From the University of Manitoba, Winnipeg, Man
| | - J Linton
- From the University of Manitoba, Winnipeg, Man
| | | | | | - G Shingoose
- From the University of Manitoba, Winnipeg, Man
| | - A Vergis
- From the University of Manitoba, Winnipeg, Man
| | - K Hardy
- From the University of Manitoba, Winnipeg, Man
| | | | | | | | - Y Lee
- From McMaster University, Hamilton, Ont
| | - V Archer
- From McMaster University, Hamilton, Ont
| | | | - J Shiroky
- From McMaster University, Hamilton, Ont
| | | | - K Ramji
- From McMaster University, Hamilton, Ont
| | | | - A Mierzwa
- From the University of Alberta, Edmonton, Alta
| | - V Mocanu
- From the University of Alberta, Edmonton, Alta
| | - G Marcil
- From the University of Alberta, Edmonton, Alta
| | - J Dang
- From the University of Alberta, Edmonton, Alta
| | - N Switzer
- From the University of Alberta, Edmonton, Alta
| | - D Birch
- From the University of Alberta, Edmonton, Alta
| | - S Karmali
- From the University of Alberta, Edmonton, Alta
| | - A Mierzwa
- From the University of Alberta, Edmonton, Alta
| | - A Jarrar
- The Ottawa Hospital, Ottawa, Ont
| | | | | | - W Lin
- University of Toronto, Toronto, Ont
| | - J Hagen
- Humber River Hospital, North York, Ont
| | - M Connell
- From the University of Alberta, Edmonton, Alta
| | - W Sun
- From the University of Alberta, Edmonton, Alta
| | - J Dang
- From the University of Alberta, Edmonton, Alta
| | - V Mocanu
- From the University of Alberta, Edmonton, Alta
| | - J Kung
- From the University of Alberta, Edmonton, Alta
| | - N Switzer
- From the University of Alberta, Edmonton, Alta
| | - D Birch
- From the University of Alberta, Edmonton, Alta
| | - S Karmali
- From the University of Alberta, Edmonton, Alta
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Kaur G, Evans DM, Teicher BA, Coussens NP. Complex Tumor Spheroids, a Tissue-Mimicking Tumor Model, for Drug Discovery and Precision Medicine. SLAS Discov 2021; 26:1298-1314. [PMID: 34772287 DOI: 10.1177/24725552211038362] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Malignant tumors are complex tissues composed of malignant cells, vascular cells, structural mesenchymal cells including pericytes and carcinoma-associated fibroblasts, infiltrating immune cells, and others, collectively called the tumor stroma. The number of stromal cells in a tumor is often much greater than the number of malignant cells. The physical associations among all these cell types are critical to tumor growth, survival, and response to therapy. Most cell-based screens for cancer drug discovery and precision medicine validation use malignant cells in isolation as monolayers, embedded in a matrix, or as spheroids in suspension. Medium- and high-throughput screening with multiple cell lines requires a scalable, reproducible, robust cell-based assay. Complex spheroids include malignant cells and two normal cell types, human umbilical vein endothelial cells and highly plastic mesenchymal stem cells, which rapidly adapt to the malignant cell microenvironment. The patient-derived pancreatic adenocarcinoma cell line, K24384-001-R, was used to explore complex spheroid structure and response to anticancer agents in a 96-well format. We describe the development of the complex spheroid assay as well as the growth and structure of complex spheroids over time. Subsequently, we demonstrate successful assay miniaturization to a 384-well format and robust performance in a high-throughput screen. Implementation of the complex spheroid assay was further demonstrated with 10 well-established pancreatic cell lines. By incorporating both human stromal and tumor components, complex spheroids might provide an improved model for tumor response in vivo.
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Affiliation(s)
- Gurmeet Kaur
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, Rockville, MD, USA
| | | | - Beverly A Teicher
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, Rockville, MD, USA
| | - Nathan P Coussens
- Molecular Pharmacology Laboratories, Applied and Developmental Research Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
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Devi KJ, Singh M, Maan AS, Thomas O, Kaur G, Arya S, Kaur J. Effect of type 1 tympanoplasty on the quality of life of patients suffering from chronic otitis media (safe type). Niger J Clin Pract 2021; 24:1641-1644. [PMID: 34782502 DOI: 10.4103/njcp.njcp_23_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background Chronic otitis media (COM) remains a major public health issue and is associated with relentless discharge from the ear, pain, significant functional limitation of hearing, leading to communication problems and frequent specialist visits. Aims To assess the improvement in quality of life of patients of COM (safe type) and surgical success in terms of graft uptake and improvement in hearing. Patients and Methods A prospective questionnaire-based outcome study was directed in 100 patients with COM who were treated with Type I Tympanoplasty at our institution between May 2018 and May 2020. All patients were asked to fill Modified Chronic Otitis Media 4 (COM-4) survey before operation and 3 months after operation. Preoperative and postoperative total ear scores, audiological results, postoperative graft uptake were assessed. Results The correlation between preoperative and postoperative assessment by questionnaire was statistically critical (P < 0.001). There was significant improvement in hearing postoperatively (P < 0.001). Effective graft uptake was seen in 80%. Conclusion The current study emphasizes that Type 1 Tympanoplasty fundamentally improves quality of life of patients in terms of physical suffering, hearing loss, emotional distress postoperatively.
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Affiliation(s)
- K J Devi
- Department of Otorhinolaryngology, Government Medical College, Amritsar, Punjab, India
| | - M Singh
- Department of Otorhinolaryngology, Government Medical College, Amritsar, Punjab, India
| | - A S Maan
- Department of Otorhinolaryngology, Government Medical College, Amritsar, Punjab, India
| | - O Thomas
- Department of Otorhinolaryngology, Government Medical College, Amritsar, Punjab, India
| | - G Kaur
- Department of Otorhinolaryngology, Government Medical College, Amritsar, Punjab, India
| | - S Arya
- Department of Otorhinolaryngology, Government Medical College, Amritsar, Punjab, India
| | - J Kaur
- Department of Otorhinolaryngology, Government Medical College, Amritsar, Punjab, India
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Karki S, Steven S, Kaur G, Das D, Agarwal R. Use of Elastic Stain Technique to Detect Histologically Occult Vascular Invasion in Resected Colorectal Carcinomas at Danbury Hospital. Am J Clin Pathol 2021. [DOI: 10.1093/ajcp/aqab191.146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Abstract
Introduction/Objective
Colorectal carcinoma (CRC) represents a leading cause of cancer related death in the western world and is by far the most common malignancy of the gastrointestinal tract. Vascular invasion (VI), in particular extramural VI by tumor is recognized as a feature of colorectal cancer progression, and the latter is an independent prognostic indicator of disease recurrence and survival in colorectal carcinoma. The purpose of this study is to detect VI in resected colorectal tumor samples and compare sensitivity of elastic staining to routine H&E staining at Danbury Hospital.
Methods/Case Report
A total of 50 colorectal cancer specimens from segmental colon resection or endoscopic polypectomy performed at Danbury Hospital over a 3-year period were included. Histologic sections of each tumor were assessed for the presence of VI by routine H&E staining. Superficial recuts of each tumor were subjected to elastic Von Giesen staining and reassessed for the presence of vascular invasion. Sensitivity of routine H&E staining for the detection of VI was calculated with elastic stain serving as the “gold standard”.
Results (if a Case Study enter NA)
In this study, VI by carcinoma was identified by H&E stain and/or elastic stain in 17 (34%) out of 50 cases. H&E stain and elastic stain detected VI in 12 (24%) and 16 (32%) out of 50 cases, respectively. There was a single case for which H&E stain showed vascular invasion that was not confirmed by elastic stain, representing a false negative for the H&E technique. Elastic staining detected VI in 5 cases for which the corresponding H&E stain was falsely negative for VI. Overall, vascular invasion status (absent or present) was concordant in 44 (88 %) of the 50 cases. With elastic stain deemed the “gold standard” for VI detection, the sensitivity, specificity, negative predictive value, and positive predictive value of H&E stain were found to be 68.7%, 97.0%, 86.8%, and 91.6%, respectively.
Conclusion
Although H & E staining of colorectal carcinoma tissue sections have a very good specificity and positive predictive value for the detection of VI, this technique suffers from a suboptimal sensitivity. For these reasons, we agree with previously published literature reports that the use of elastic stain as a supplement to H & E staining should be strongly considered for the proper evaluation and prognostication of colorectal carcinoma specimens.
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Affiliation(s)
- S Karki
- Anatomic and Clinical Pathology, Danbury Hospital, Danbury, Connecticut, UNITED STATES
| | - S Steven
- Anatomic and Clinical Pathology, Danbury Hospital, Danbury, Connecticut, UNITED STATES
| | - G Kaur
- Anatomic and Clinical Pathology, Danbury Hospital, Danbury, Connecticut, UNITED STATES
| | - D Das
- Anatomic and Clinical Pathology, Danbury Hospital, Danbury, Connecticut, UNITED STATES
| | - R Agarwal
- Clinical Research, Danbury Hospital, Danbury, Connecticut, UNITED STATES
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Kaur G, Doroshow JH, Teicher BA. Format (2D vs 3D) and media effect target expression and response of patient-derived and standard NSCLC lines to EGFR inhibitors. Cancer Treat Res Commun 2021; 29:100463. [PMID: 34601320 DOI: 10.1016/j.ctarc.2021.100463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 09/21/2021] [Accepted: 09/22/2021] [Indexed: 10/20/2022]
Abstract
Three patient-derived NSCLC lines and three well-established NSCLC lines with varied EGFR gene status were compared for expression of EGFR protein, proliferation and epithelial and mesenchymal markers in monolayer, simple spheroid and complex spheroid cultures. The effects of diverse culture conditions and exposure time on the response of the six NSCLC lines to the EGFR inhibitors erlotinib, afatinib, lapatinib, and osimertinib were examined. The clinical Cmax was used as the test concentration to determine whether cells were responsive or resistant to each agent. Among the patient-derived lines, LG0703-F948, which has an EGFR L858R mutation, was responsive to each of the four EGFR inhibitor when grown as spheroids but resistant when grown in monolayer. The HCC827 line, which carries an EGFR E746-A750 deletion, was responsive to each of the four EGFR inhibitors when grown as spheroids or monolayers. NCI-H1975 cells which have an EGFR T790M mutation and an EGFR L858R mutation, were sensitive to osimertinib when propagated as spheroids but not when grown in monolayer. The results suggest that the expression of cell surface targets and response to drugs targeting cell surface proteins varies depending upon cell culture format. These findings may help to explain, in part, the concordance or discordance between cell culture and in vivo findings in experimental systems.
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Affiliation(s)
- Gurmeet Kaur
- DCTD National Cancer Institute, Bethesda, MD, United States.
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Adhikari P, Ajaj R, Alpízar-Venegas M, Amaudruz PA, Auty DJ, Batygov M, Beltran B, Benmansour H, Bina CE, Bonatt J, Bonivento W, Boulay MG, Broerman B, Bueno JF, Burghardt PM, Butcher A, Cadeddu M, Cai B, Cárdenas-Montes M, Cavuoti S, Chen M, Chen Y, Cleveland BT, Corning JM, Cranshaw D, Daugherty S, DelGobbo P, Dering K, DiGioseffo J, Di Stefano P, Doria L, Duncan FA, Dunford M, Ellingwood E, Erlandson A, Farahani SS, Fatemighomi N, Fiorillo G, Florian S, Flower T, Ford RJ, Gagnon R, Gallacher D, García Abia P, Garg S, Giampa P, Goeldi D, Golovko V, Gorel P, Graham K, Grant DR, Grobov A, Hallin AL, Hamstra M, Harvey PJ, Hearns C, Hugues T, Ilyasov A, Joy A, Jigmeddorj B, Jillings CJ, Kamaev O, Kaur G, Kemp A, Kochanek I, Kuźniak M, Lai M, Langrock S, Lehnert B, Leonhardt A, Levashko N, Li X, Lidgard J, Lindner T, Lissia M, Lock J, Longo G, Machulin I, McDonald AB, McElroy T, McGinn T, McLaughlin JB, Mehdiyev R, Mielnichuk C, Monroe J, Nadeau P, Nantais C, Ng C, Noble AJ, O’Dwyer E, Oliviéro G, Ouellet C, Pal S, Pasuthip P, Peeters SJM, Perry M, Pesudo V, Picciau E, Piro MC, Pollmann TR, Rand ET, Rethmeier C, Retière F, Rodríguez-García I, Roszkowski L, Ruhland JB, Sánchez-García E, Santorelli R, Sinclair D, Skensved P, Smith B, Smith NJT, Sonley T, Soukup J, Stainforth R, Stone C, Strickland V, Stringer M, Sur B, Tang J, Vázquez-Jáuregui E, Viel S, Walding J, Waqar M, Ward M, Westerdale S, Willis J, Zuñiga-Reyes A. Pulse-shape discrimination against low-energy Ar-39 beta decays in liquid argon with 4.5 tonne-years of DEAP-3600 data. Eur Phys J C Part Fields 2021; 81:823. [PMID: 34720726 PMCID: PMC8550104 DOI: 10.1140/epjc/s10052-021-09514-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 07/30/2021] [Indexed: 06/13/2023]
Abstract
The DEAP-3600 detector searches for the scintillation signal from dark matter particles scattering on a 3.3 tonne liquid argon target. The largest background comes from 39 Ar beta decays and is suppressed using pulse-shape discrimination (PSD). We use two types of PSD estimator: the prompt-fraction, which considers the fraction of the scintillation signal in a narrow and a wide time window around the event peak, and the log-likelihood-ratio, which compares the observed photon arrival times to a signal and a background model. We furthermore use two algorithms to determine the number of photons detected at a given time: (1) simply dividing the charge of each PMT pulse by the mean single-photoelectron charge, and (2) a likelihood analysis that considers the probability to detect a certain number of photons at a given time, based on a model for the scintillation pulse shape and for afterpulsing in the light detectors. The prompt-fraction performs approximately as well as the log-likelihood-ratio PSD algorithm if the photon detection times are not biased by detector effects. We explain this result using a model for the information carried by scintillation photons as a function of the time when they are detected.
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Affiliation(s)
- P. Adhikari
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - R. Ajaj
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - M. Alpízar-Venegas
- Instituto de Física, Universidad Nacional Autónoma de México, A. P. 20-364, 01000 Mexico, D.F. Mexico
| | | | - D. J. Auty
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - M. Batygov
- Department of Physics and Astronomy, Laurentian University, Sudbury, ON P3E 2C6 Canada
| | - B. Beltran
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - H. Benmansour
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - C. E. Bina
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - J. Bonatt
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | | | - M. G. Boulay
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - B. Broerman
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - J. F. Bueno
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - P. M. Burghardt
- Department of Physics, Technische Universität München, 80333 Munich, Germany
| | - A. Butcher
- Royal Holloway University London, Egham Hill, Egham, Surrey TW20 0EX UK
| | | | - B. Cai
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - M. Cárdenas-Montes
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, 28040 Madrid, Spain
| | - S. Cavuoti
- Physics Department, Università degli Studi “Federico II” di Napoli, 80126 Naples, Italy
- INFN Napoli, 80126 Naples, Italy
- INAF-Astronomical Observatory of Capodimonte, Salita Moiariello 16, 80131 Naples, Italy
| | - M. Chen
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - Y. Chen
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - B. T. Cleveland
- Department of Physics and Astronomy, Laurentian University, Sudbury, ON P3E 2C6 Canada
- SNOLAB, Lively, ON P3Y 1M3 Canada
| | - J. M. Corning
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - D. Cranshaw
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - S. Daugherty
- Department of Physics and Astronomy, Laurentian University, Sudbury, ON P3E 2C6 Canada
| | - P. DelGobbo
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - K. Dering
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - J. DiGioseffo
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - P. Di Stefano
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - L. Doria
- PRISMA+ Cluster of Excellence and Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, 55128 Mainz, Germany
| | | | - M. Dunford
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - E. Ellingwood
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - A. Erlandson
- Canadian Nuclear Laboratories Ltd, Chalk River, ON K0J 1J0 Canada
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - S. S. Farahani
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
| | | | - G. Fiorillo
- Physics Department, Università degli Studi “Federico II” di Napoli, 80126 Naples, Italy
- INFN Napoli, 80126 Naples, Italy
| | - S. Florian
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - T. Flower
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - R. J. Ford
- Department of Physics and Astronomy, Laurentian University, Sudbury, ON P3E 2C6 Canada
- SNOLAB, Lively, ON P3Y 1M3 Canada
| | - R. Gagnon
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - D. Gallacher
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - P. García Abia
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, 28040 Madrid, Spain
| | - S. Garg
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - P. Giampa
- TRIUMF, Vancouver, BC V6T 2A3 Canada
| | - D. Goeldi
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - V. Golovko
- Canadian Nuclear Laboratories Ltd, Chalk River, ON K0J 1J0 Canada
| | - P. Gorel
- Department of Physics and Astronomy, Laurentian University, Sudbury, ON P3E 2C6 Canada
- SNOLAB, Lively, ON P3Y 1M3 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - K. Graham
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - D. R. Grant
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - A. Grobov
- National Research Centre Kurchatov Institute, Moscow, 123182 Russia
- National Research Nuclear University MEPhI, Moscow, 115409 Russia
| | - A. L. Hallin
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - M. Hamstra
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - P. J. Harvey
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - C. Hearns
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - T. Hugues
- AstroCeNT, Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Rektorska 4, 00-614 Warsaw, Poland
| | - A. Ilyasov
- National Research Centre Kurchatov Institute, Moscow, 123182 Russia
- National Research Nuclear University MEPhI, Moscow, 115409 Russia
| | - A. Joy
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - B. Jigmeddorj
- Canadian Nuclear Laboratories Ltd, Chalk River, ON K0J 1J0 Canada
| | - C. J. Jillings
- Department of Physics and Astronomy, Laurentian University, Sudbury, ON P3E 2C6 Canada
- SNOLAB, Lively, ON P3Y 1M3 Canada
| | - O. Kamaev
- Canadian Nuclear Laboratories Ltd, Chalk River, ON K0J 1J0 Canada
| | - G. Kaur
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - A. Kemp
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
- Royal Holloway University London, Egham Hill, Egham, Surrey TW20 0EX UK
| | - I. Kochanek
- INFN Laboratori Nazionali del Gran Sasso, 67100 Assergi, AQ Italy
| | - M. Kuźniak
- AstroCeNT, Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Rektorska 4, 00-614 Warsaw, Poland
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - M. Lai
- Physics Department, Università degli Studi di Cagliari, 09042 Cagliari, Italy
- INFN Cagliari, Cagliari, 09042 Italy
| | - S. Langrock
- Department of Physics and Astronomy, Laurentian University, Sudbury, ON P3E 2C6 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - B. Lehnert
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
- Present Address: Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA
| | - A. Leonhardt
- Department of Physics, Technische Universität München, 80333 Munich, Germany
| | - N. Levashko
- National Research Centre Kurchatov Institute, Moscow, 123182 Russia
- National Research Nuclear University MEPhI, Moscow, 115409 Russia
| | - X. Li
- Physics Department, Princeton University, Princeton, NJ 08544 USA
| | - J. Lidgard
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | | | - M. Lissia
- INFN Cagliari, Cagliari, 09042 Italy
| | - J. Lock
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - G. Longo
- Physics Department, Università degli Studi “Federico II” di Napoli, 80126 Naples, Italy
- INFN Napoli, 80126 Naples, Italy
| | - I. Machulin
- National Research Centre Kurchatov Institute, Moscow, 123182 Russia
- National Research Nuclear University MEPhI, Moscow, 115409 Russia
| | - A. B. McDonald
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - T. McElroy
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - T. McGinn
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - J. B. McLaughlin
- Royal Holloway University London, Egham Hill, Egham, Surrey TW20 0EX UK
- TRIUMF, Vancouver, BC V6T 2A3 Canada
| | - R. Mehdiyev
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - C. Mielnichuk
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - J. Monroe
- Royal Holloway University London, Egham Hill, Egham, Surrey TW20 0EX UK
| | - P. Nadeau
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - C. Nantais
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - C. Ng
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - A. J. Noble
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - E. O’Dwyer
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - G. Oliviéro
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - C. Ouellet
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - S. Pal
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - P. Pasuthip
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - S. J. M. Peeters
- University of Sussex, Sussex House, Brighton, East Sussex BN1 9RH UK
| | - M. Perry
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - V. Pesudo
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, 28040 Madrid, Spain
| | - E. Picciau
- Physics Department, Università degli Studi di Cagliari, 09042 Cagliari, Italy
- INFN Cagliari, Cagliari, 09042 Italy
| | - M.-C. Piro
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - T. R. Pollmann
- Department of Physics, Technische Universität München, 80333 Munich, Germany
- Present Address: Nikhef and the University of Amsterdam, Science Park, 1098 XG Amsterdam, The Netherlands
| | - E. T. Rand
- Canadian Nuclear Laboratories Ltd, Chalk River, ON K0J 1J0 Canada
| | - C. Rethmeier
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | | | - I. Rodríguez-García
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, 28040 Madrid, Spain
| | - L. Roszkowski
- AstroCeNT, Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, Rektorska 4, 00-614 Warsaw, Poland
- BP2, National Centre for Nuclear Research, ul. Pasteura 7, 02-093 Warsaw, Poland
| | - J. B. Ruhland
- Department of Physics, Technische Universität München, 80333 Munich, Germany
| | - E. Sánchez-García
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, 28040 Madrid, Spain
| | - R. Santorelli
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas, 28040 Madrid, Spain
| | - D. Sinclair
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - P. Skensved
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - B. Smith
- TRIUMF, Vancouver, BC V6T 2A3 Canada
| | - N. J. T. Smith
- Department of Physics and Astronomy, Laurentian University, Sudbury, ON P3E 2C6 Canada
- SNOLAB, Lively, ON P3Y 1M3 Canada
| | - T. Sonley
- SNOLAB, Lively, ON P3Y 1M3 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - J. Soukup
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - R. Stainforth
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - C. Stone
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - V. Strickland
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
| | - M. Stringer
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - B. Sur
- Canadian Nuclear Laboratories Ltd, Chalk River, ON K0J 1J0 Canada
| | - J. Tang
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - E. Vázquez-Jáuregui
- Department of Physics and Astronomy, Laurentian University, Sudbury, ON P3E 2C6 Canada
- Instituto de Física, Universidad Nacional Autónoma de México, A. P. 20-364, 01000 Mexico, D.F. Mexico
| | - S. Viel
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - J. Walding
- Royal Holloway University London, Egham Hill, Egham, Surrey TW20 0EX UK
| | - M. Waqar
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - M. Ward
- Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, ON K7L 3N6 Canada
| | - S. Westerdale
- Department of Physics, Carleton University, Ottawa, ON K1S 5B6 Canada
- INFN Cagliari, Cagliari, 09042 Italy
| | - J. Willis
- Department of Physics, University of Alberta, Edmonton, AB T6G 2R3 Canada
| | - A. Zuñiga-Reyes
- Instituto de Física, Universidad Nacional Autónoma de México, A. P. 20-364, 01000 Mexico, D.F. Mexico
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Affiliation(s)
- Jagdeep Kaur
- Department of chemistry Chandigarh University Gharuan Punjab 140413 India
| | - Gurmeet Kaur
- Department of chemistry Chandigarh University Gharuan Punjab 140413 India
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Kaur G, Kaur M, Bansal M. New insights of structural activity relationship of curcumin and correlating their efficacy in anticancer studies with some other similar molecules. Am J Cancer Res 2021; 11:3755-3765. [PMID: 34522447 PMCID: PMC8414381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 03/07/2021] [Indexed: 06/13/2023] Open
Abstract
Recently, Cancer is the widespread category of different diseases in human beings, and its progress is linked with a number of factors such as estrogen level, diet, hereditary etc. Curcumin is a naturally occurring compound which appears to be significant clinical for applications in vitro as well as in vivo studies. Many of the research groups have been paying attention towards natural products for the development of anticancer drugs. Curcumin, Rosmarinic acid and Chalcone are the naturally occurring compounds, which are chemopreventive and chemotherapeutic. In present review the anticancer activity of curcumin and similar analogues in vitro has been discussed on the basis of inhibitory concentration (IC50). Also this data is compared with the inhibitory concentration of chalcone, its derivatives and rosmarinic acid.
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Affiliation(s)
- Gurmeet Kaur
- Synthetic and Medicinal Chemistry Laboratory, Department of Chemistry, Punjabi University Patiala 147002, India
| | - Mandeep Kaur
- Synthetic and Medicinal Chemistry Laboratory, Department of Chemistry, Punjabi University Patiala 147002, India
| | - Manisha Bansal
- Synthetic and Medicinal Chemistry Laboratory, Department of Chemistry, Punjabi University Patiala 147002, India
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Apte A, Shrivastava R, Sanghavi S, Mitra M, Ramanan PV, Chhatwal J, Jain S, Chowdhury J, Premkumar S, Kumar R, Palani A, Kaur G, Javadekar N, Kulkarni P, Macina D, Bavdekar A. Multicentric Hospital-Based Surveillance of Pertussis Amongst Infants Admitted in Tertiary Care Facilities in India. Indian Pediatr 2021; 58:709-717. [PMID: 34465657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
OBJECTIVE To estimate the disease and economic burden of pertussis amongst hospitalised infants in India. DESIGN Multicentric hospital-based surveillance study. PARTICIPANTS Hospitalised infants with clinical suspicion of pertussis based on predefined criteria. OUTCOME MEASURES Proportion of infants with laboratory-confirmed pertussis, economic burden of pertussis amongst hospitalised infants. RESULTS 693 clinically suspected infants were recruited of which 32 (4.62%) infants had laboratory-confirmed pertussis. Progressive cough with post-tussive emesis (50%) and pneumonia (34%) were the common clinical presentations; apnea in young infants was significantly associated with pertussis. Infants with pertussis were more likely to be younger (median age 102.5 days vs.157 days) and born preterm (42.9% vs 24.5%). Almost 30% infants with pertussis had not received vaccine for pertussis with 50% of these infants aged less than 2 months. Pertussis was associated with higher costs of hospitalisation, pharmacy and loss of working days by caregivers as compared to non-pertussis cases. CONCLUSIONS Younger infants, those born preterm and those inadequately immunised against pertussis are at higher risk of pertussis infection. Timely childhood immunisation and introduction of maternal immunisation for pertussis can help in reducing the disease burden.
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Affiliation(s)
- A Apte
- Department of Pediatrics, KEM Hospital Research Centre, Pune, India
| | - R Shrivastava
- Department of Pediatrics, KEM Hospital Research Centre, Pune, India
| | - S Sanghavi
- Department of Pediatrics, KEM Hospital Research Centre, Pune, India
| | - M Mitra
- Department of Pediatrics, Institute of Child Heath, Kolkata, India
| | - P Venkat Ramanan
- Department of Pediatrics, Sri Ramachandra Medical Centre, Chennai, India
| | - J Chhatwal
- Department of Pediatrics, Christian Medical College and Hospital, Ludhiana, India
| | - S Jain
- Department of Pediatrics, KEM Hospital Research Centre, Pune, India
| | - J Chowdhury
- Department of Pediatrics, Institute of Child Heath, Kolkata, India
| | - S Premkumar
- Department of Pediatrics, Sri Ramachandra Medical Centre, Chennai, India
| | - R Kumar
- Department of Pediatrics, Christian Medical College and Hospital, Ludhiana, India
| | - A Palani
- Department of Pediatrics, Sri Ramachandra Medical Centre, Chennai, India
| | - G Kaur
- Department of Pediatrics, Christian Medical College and Hospital, Ludhiana, India
| | - N Javadekar
- Department of Pediatrics, KEM Hospital Research Centre, Pune, India
| | - P Kulkarni
- Department of Pediatrics, KEM Hospital Research Centre, Pune, India
| | | | - A Bavdekar
- Department of Pediatrics, KEM Hospital Research Centre, Pune, India. Correspondence to: Dr Ashish Bavdekar, Associate Professor, Consultant Pediatric Gastroenterologist, Department of Pediatrics, KEM Hospital, Rasta Peth, Pune, Maharashtra 411 011.
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Apte A, Shrivastava R, Sanghavi S, Mitra M, Ramanan PV, Chhatwal J, Jain S, Chowdhury J, Premkumar S, Kumar R, Palani A, Kaur G, Javadekar N, Kulkarni P, Macina D, Bavdekar A. Multicentric Hospital-Based Surveillance of Pertussis Amongst Infants Admitted in Tertiary Care Facilities in India. Indian Pediatr 2021. [DOI: 10.1007/s13312-021-2276-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Pal R, Bhadada SK, Gupta N, Behera A, Aggarwal N, Aggarwal A, Raviteja KV, Saikia UN, Kaur G, Arvindbhai SM, Walia R. Primary hyperparathyroidism in pregnancy: observations from the Indian PHPT registry. J Endocrinol Invest 2021; 44:1425-1435. [PMID: 33037580 DOI: 10.1007/s40618-020-01441-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 09/29/2020] [Indexed: 01/12/2023]
Abstract
PURPOSE To present the data on primary hyperparathyroidism (PHPT) in pregnancy from India obtained from a large database maintained over 15 years. METHODS We retrieved data of all women with gestational PHPT from the Indian PHPT registry between July 2005 and January 2020, and compared their clinical, biochemical, and other characteristics with age-matched non-pregnant women with PHPT. RESULTS Out of 386 women, eight had gestational PHPT (2.1%). The common presenting manifestations were acute pancreatitis (50%) and renal stone disease (50%); two were asymptomatic. Five women (62.5%) had a history of prior miscarriages. Seven patients (88%) had preeclampsia during the present gestation. Serum calcium and intact parathyroid hormone (iPTH) were not statistically different from the age-matched non-pregnant PHPT group. Six patients with mild-to-moderate hypercalcemia were medically managed with hydration with/without cinacalcet while one patient underwent percutaneous ethanol ablation of the parathyroid adenoma; none underwent surgery during pregnancy. Mean serum calcium maintained from treatment initiation till delivery was 10.5 ± 0.4 mg/dl. One patient had spontaneous preterm delivery at 36 weeks; the remaining patients had normal vaginal delivery at term. None had severe preeclampsia/eclampsia. Fetal outcomes included low birth weight in three newborns (37.5%); two of them had hypocalcemic seizures. CONCLUSION The prevalence of gestational PHPT was 2.1% in this largest Indian PHPT cohort, which is higher than that reported from the West (< 1%). Gestational PHPT can lead to preeclampsia and miscarriage. Pregnant PHPT patients with mild-to-moderate hypercalcemia can be managed with hydration/cinacalcet; however, long-term safety data and large-scale randomized controlled trials are required.
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Affiliation(s)
- R Pal
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - S K Bhadada
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India.
| | - N Gupta
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - A Behera
- Department of General Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - N Aggarwal
- Department of Gynecology and Obstetrics, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - A Aggarwal
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - K V Raviteja
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - U N Saikia
- Department of Histopathology, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - G Kaur
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - S M Arvindbhai
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - R Walia
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
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Gupta M, Singh S, Kaur G, Pandher S, Kaur N, Goel N, Kaur R, Rathore P. Transcriptome analysis unravels RNAi pathways genes and putative expansion of CYP450 gene family in cotton leafhopper Amrasca biguttula (Ishida). Mol Biol Rep 2021; 48:4383-4396. [PMID: 34091816 DOI: 10.1007/s11033-021-06453-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 05/27/2021] [Indexed: 11/24/2022]
Abstract
Cotton Leafhopper, Amrasca biguttula is an important pest of cotton and okra in the Indian subcontinent. Presently limited genomic/transcriptomic information is available for this insect in any of open source databases. The present study reports the first assembled and annotated de novo transcriptome of cotton leafhopper. Out of 75,551 transcripts, 39,613 CDS (Coding Sequence) were predicted with 35,282 showing positive blast hits with NCBI nr database. The Gene ontology (GO) analysis annotated 7431 CDS with KEGG pathway categorizing these CDS into 22 different functional groups. The majority of CDS were annotated in signal transduction and transport catabolism pathways. The sequence data was screened for RNAi pathway genes and presence of 37 transcripts associated with this process confirmed the existence of robust RNAi machinery. The role of core RNAi machinery genes (Dicer-2, Ago-2, Piwi and Staufen) has been validated through dsRNA feeding studies. The data resource has also been used to identify potential RNAi targets and genes associated with insecticide detoxification specifically CYP 450 family. The current study provides a useful sequence resource which can be used to initiate molecular studies in this insect with emphasis on insecticide resistance, RNAi and functional genomics.
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Affiliation(s)
- Mridula Gupta
- Punjab Agricultural University, Regional Station, Circular Road, Faridko, 151203, Punjab, India.,Department of Poultry Sciences, Texas A & M University, College Station, TX, USA
| | - Satnam Singh
- Punjab Agricultural University, Regional Station, Circular Road, Faridko, 151203, Punjab, India.
| | - Gurmeet Kaur
- Punjab Agricultural University, Regional Station, Circular Road, Faridko, 151203, Punjab, India
| | - Suneet Pandher
- Punjab Agricultural University, Regional Station, Circular Road, Faridko, 151203, Punjab, India
| | | | - Neha Goel
- Forest Research Institute, Dehradun, 248195, Uttarakhand, India
| | - Ramandeep Kaur
- Punjab Agricultural University, Regional Station, Circular Road, Faridko, 151203, Punjab, India
| | - Pankaj Rathore
- Punjab Agricultural University, Regional Station, Circular Road, Faridko, 151203, Punjab, India
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Singh S, Kaushal S, Kaur J, Kaur G, Mittal SK, Singh PP. CaFu MOF as an efficient adsorbent for simultaneous removal of imidacloprid pesticide and cadmium ions from wastewater. Chemosphere 2021; 272:129648. [PMID: 33485037 DOI: 10.1016/j.chemosphere.2021.129648] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/30/2020] [Accepted: 01/09/2021] [Indexed: 05/16/2023]
Abstract
Heavy metal ions and pesticides are the noteworthy toxic substances which must be removed from contaminated water for safeguarding public health. The higher levels of these substances in natural water may adversely affect the human health, climate and the eco-framework. The adsorptive removal of hazardous constituents employing metal organic frameworks has drawn considerable attention of researchers during the last decade. From this point of view, single crystal of calcium fumarate [Ca(C4H4O4)1.5 (H2O)(CH3OH)2] has been developed and analyzed by single crystal X-ray crystallography which confirmed the formation of 3-D metal organic frameworks (MOFs). The synthesized MOFs was employed for simultaneous adsorptive removal of imidacloprid, a high consumption pesticide, and highly toxic Cd (II) from aqua ecosystem. The effect of variation in experimental conditions such as solution pH, adsorbent dosage, contact time, initial concentration and temperature on adsorption was systematically evaluated. Both the imidacloprid and Cd(II) exhibited maximum adsorption at pH 6.5 and 7.8, respectively. The equilibrium empirical data was fitted into Langmuir, Freundlich and Temkin isotherms. The adsorption capacity of CaFu MOFs was observed to be 467.23 and 781.2 mg g-1 for imidacloprid and cadmium ions, respectively. The adsorbed pollutants were desorbed from the adsorbent using dilute HCl, and the material was reused for five adsorption-desorption cycles without any appreciable loss of adsorption capacity. Therefore, the 3-D CaFu MOFs could be utilized as a novel material for adsorptive removal of imidacloprid pesticide as well as Cd (II) from wastewater.
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Affiliation(s)
- Sandeep Singh
- CSIC Department, Post Graduate Institute of Medical Education and Research(PGIMER), Chandigarh, India
| | - Sandeep Kaushal
- Department of Chemistry, Sri Guru Granth Sahib World University, Fatehgarh Sahib, Punjab, India.
| | - Jasmeen Kaur
- Department of Chemistry, Sri Guru Granth Sahib World University, Fatehgarh Sahib, Punjab, India
| | - Gurmeet Kaur
- Department of Chemistry, Sri Guru Granth Sahib World University, Fatehgarh Sahib, Punjab, India
| | - Susheel Kumar Mittal
- Department of Chemistry & Biochemistry, Thapar Institute of Engineering and Technology, Patiala, India
| | - Prit Pal Singh
- Department of Chemistry, Sri Guru Granth Sahib World University, Fatehgarh Sahib, Punjab, India.
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Kaur G, Iyer LM, Burroughs AM, Aravind L. Bacterial death and TRADD-N domains help define novel apoptosis and immunity mechanisms shared by prokaryotes and metazoans. eLife 2021; 10:70394. [PMID: 34061031 PMCID: PMC8195603 DOI: 10.7554/elife.70394] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Accepted: 05/23/2021] [Indexed: 12/12/2022] Open
Abstract
Several homologous domains are shared by eukaryotic immunity and programmed cell-death systems and poorly understood bacterial proteins. Recent studies show these to be components of a network of highly regulated systems connecting apoptotic processes to counter-invader immunity, in prokaryotes with a multicellular habit. However, the provenance of key adaptor domains, namely those of the Death-like and TRADD-N superfamilies, a quintessential feature of metazoan apoptotic systems, remained murky. Here, we use sensitive sequence analysis and comparative genomics methods to identify unambiguous bacterial homologs of the Death-like and TRADD-N superfamilies. We show the former to have arisen as part of a radiation of effector-associated α-helical adaptor domains that likely mediate homotypic interactions bringing together diverse effector and signaling domains in predicted bacterial apoptosis- and counter-invader systems. Similarly, we show that the TRADD-N domain defines a key, widespread signaling bridge that links effector deployment to invader-sensing in multicellular bacterial and metazoan counter-invader systems. TRADD-N domains are expanded in aggregating marine invertebrates and point to distinctive diversifying immune strategies probably directed both at RNA and retroviruses and cellular pathogens that might infect such communities. These TRADD-N and Death-like domains helped identify several new bacterial and metazoan counter-invader systems featuring underappreciated, common functional principles: the use of intracellular invader-sensing lectin-like (NPCBM and FGS), transcription elongation GreA/B-C, glycosyltransferase-4 family, inactive NTPase (serving as nucleic acid receptors), and invader-sensing GTPase switch domains. Finally, these findings point to the possibility of multicellular bacteria-stem metazoan symbiosis in the emergence of the immune/apoptotic systems of the latter.
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Affiliation(s)
- Gurmeet Kaur
- Computational Biology Branch, National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, United States
| | - Lakshminarayan M Iyer
- Computational Biology Branch, National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, United States
| | - A Maxwell Burroughs
- Computational Biology Branch, National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, United States
| | - L Aravind
- Computational Biology Branch, National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, United States
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Kaur G, Davies M, Liu X, Delioglu B. The Role of Fibro-Adipogenic Progenitors in Musculoskeletal Disease. Muscles Ligaments Tendons J 2021. [DOI: 10.32098/mltj.02.2021.01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- G. Kaur
- Department of Veterans Affairs, San Francisco Veterans Affairs Health Care System, San Francisco, California, U.S.A
- Department of Orthopedic Surgery, University of California, San Francisco, California, U.S.A
- School of Medicine, University of California, San Francisco, California, U.S.A
| | - M.R. Davies
- Department of Veterans Affairs, San Francisco Veterans Affairs Health Care System, San Francisco, California, U.S.A
- Department of Orthopedic Surgery, University of California, San Francisco, California, U.S.A
| | - X. Liu
- Department of Veterans Affairs, San Francisco Veterans Affairs Health Care System, San Francisco, California, U.S.A
- Department of Orthopedic Surgery, University of California, San Francisco, California, U.S.A
| | - B.T. Delioglu
- Department of Veterans Affairs, San Francisco Veterans Affairs Health Care System, San Francisco, California, U.S.A
- Department of Orthopedic Surgery, University of California, San Francisco, California, U.S.A
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Ramesh P, Kaur G, Deepak D, Kumar P. Disseminated pulmonary mucormycosis with concomitant tuberculosis infection in a diabetic patient. Int J Mycobacteriol 2021; 9:95-97. [PMID: 32474496 DOI: 10.4103/ijmy.ijmy_186_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Patients with diabetes are often susceptible to various opportunistic infections such as tuberculosis and mucormycosis. However, the occurrence of both these infections simultaneously is rare. We present one such case of pulmonary tuberculosis with disseminated pulmonary mucormycosis in a patient with diabetes, which was successfully managed.
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Affiliation(s)
- Priyamvadha Ramesh
- Department of Medicine, Atal Bihari Vajpayee Institute of Medical Sciences, Dr. RML Hospital, New Delhi, India
| | - Gurmeet Kaur
- Department of Medicine, Atal Bihari Vajpayee Institute of Medical Sciences, Dr. RML Hospital, New Delhi, India
| | - Desh Deepak
- Department of Pulmonary Medicine, Atal Bihari Vajpayee Institute of Medical Sciences, Dr. RML Hospital, New Delhi, India
| | - Prabhat Kumar
- Department of Medicine, Atal Bihari Vajpayee Institute of Medical Sciences, Dr. RML Hospital, New Delhi, India
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Al-Mufti F, Kaur G, Amuluru K, Cooper JB, Dakay K, El-Ghanem M, Pisapia J, Muh C, Tyagi R, Bowers C, Cole C, Rosner S, Santarelli J, Mayer S, Gandhi C. Middle Meningeal Artery Embolization Using Combined Particle Embolization and n-BCA with the Dextrose 5% in Water Push Technique for Chronic Subdural Hematomas: A Prospective Safety and Feasibility Study. AJNR Am J Neuroradiol 2021; 42:916-920. [PMID: 33664110 DOI: 10.3174/ajnr.a7077] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 11/25/2020] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND PURPOSE Embolization of the middle meningeal artery for treatment of refractory or recurrent chronic subdural hematomas has gained momentum during the past few years. Little has been reported on the use of the n-BCA liquid embolic system for middle meningeal artery embolization. We present the technical feasibility of using diluted n-BCA for middle meningeal artery embolization. MATERIALS AND METHODS We sought to examine the safety and technical feasibility of the diluted n-BCA liquid embolic system for middle meningeal artery embolization. Patients with chronic refractory or recurrent subdural hematomas were prospectively enrolled from September 2019 to June 2020. The primary outcome was the safety and technical feasibility of the use of diluted n-BCA for embolization of the middle meningeal artery. The secondary end point was the efficacy in reducing hematoma volume. RESULTS A total of 16 patients were prospectively enrolled. Concomitant burr-hole craniotomies were performed in 12 of the 16 patients. Two patients required an operation following middle meningeal artery embolization for persistent symptoms. The primary end point was met in 100% of cases in which there were no intra- or postprocedural complications. Distal penetration of the middle meningeal artery branches was achieved in all the enrolled cases. A 7-day post-middle meningeal artery embolization follow-up head CT demonstrated improvement (>50% reduction in subdural hematoma volume) in 9/15 (60%) patients, with 6/15 (40%) showing an unchanged or stable subdural hematoma. At day 21, available CT scans demonstrated substantial further improvement (>75% reduction in subdural hematoma volume). CONCLUSIONS Embolization of the middle meningeal artery using diluted n-BCA and ethiodized oil (1:6) is safe and feasible from a technical standpoint. The use of a dextrose 5% bolus improves distal penetration of the glue.
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Affiliation(s)
- F Al-Mufti
- From the Department of Neurosurgery (F.A.-M., G.K., J.B.C., K.D., J.P., C.M., R.T., C.C., J.S., C.G.), New York Medical College, Westchester Medical Center, Valhalla, New York
| | - G Kaur
- From the Department of Neurosurgery (F.A.-M., G.K., J.B.C., K.D., J.P., C.M., R.T., C.C., J.S., C.G.), New York Medical College, Westchester Medical Center, Valhalla, New York
| | - K Amuluru
- Department of Neurointerventional Radiology (K.A.), Goodman Campbell Brain and Spine, Carmel, Indiana
| | - J B Cooper
- From the Department of Neurosurgery (F.A.-M., G.K., J.B.C., K.D., J.P., C.M., R.T., C.C., J.S., C.G.), New York Medical College, Westchester Medical Center, Valhalla, New York
| | - K Dakay
- From the Department of Neurosurgery (F.A.-M., G.K., J.B.C., K.D., J.P., C.M., R.T., C.C., J.S., C.G.), New York Medical College, Westchester Medical Center, Valhalla, New York
| | - M El-Ghanem
- Department of Neurology (M.E.-G.), University of Arizona-Tucson, Tucson, Arizona
| | - J Pisapia
- From the Department of Neurosurgery (F.A.-M., G.K., J.B.C., K.D., J.P., C.M., R.T., C.C., J.S., C.G.), New York Medical College, Westchester Medical Center, Valhalla, New York
| | - C Muh
- From the Department of Neurosurgery (F.A.-M., G.K., J.B.C., K.D., J.P., C.M., R.T., C.C., J.S., C.G.), New York Medical College, Westchester Medical Center, Valhalla, New York
| | - R Tyagi
- From the Department of Neurosurgery (F.A.-M., G.K., J.B.C., K.D., J.P., C.M., R.T., C.C., J.S., C.G.), New York Medical College, Westchester Medical Center, Valhalla, New York
| | - C Bowers
- Department of Neurosurgery (C.B.), School of Medicine, University of New Mexico, Albuquerque, New Mexico
| | - C Cole
- From the Department of Neurosurgery (F.A.-M., G.K., J.B.C., K.D., J.P., C.M., R.T., C.C., J.S., C.G.), New York Medical College, Westchester Medical Center, Valhalla, New York
| | - S Rosner
- Department of Neurosurgery (S.R.), New York-Presbyterian/Hudson Valley Hospital, Cortlandt Manor, New York
| | - J Santarelli
- From the Department of Neurosurgery (F.A.-M., G.K., J.B.C., K.D., J.P., C.M., R.T., C.C., J.S., C.G.), New York Medical College, Westchester Medical Center, Valhalla, New York
| | - S Mayer
- Department of Neurocritical Care (S.M.), New York Medical College, Westchester Medical Center, Valhalla, New York
| | - C Gandhi
- From the Department of Neurosurgery (F.A.-M., G.K., J.B.C., K.D., J.P., C.M., R.T., C.C., J.S., C.G.), New York Medical College, Westchester Medical Center, Valhalla, New York
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Chia TY, Murugaiyah V, Khan NA, Sattar MA, Abdulla MH, Johns EJ, Ahmad A, Hassan Z, Kaur G, Mei HY, Ahmad FU, Akhtar S. Inhibition of L-NAME-induced hypertension by combined treatment with apocynin and catalase: the role of Nox 4 expression. Physiol Res 2021; 70:13-26. [PMID: 33728924 DOI: 10.33549/physiolres.934497] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Reactive oxygen species (ROS) such as superoxide (O2-) generated by NAD(P)H oxidases have emerged as important molecules in blood pressure regulation. This study investigated the effect of apocynin and catalase on blood pressure and renal haemodynamic and excretory function in an L-NAME induced hypertension model. Forty Male Wistar-Kyoto (WKY) rats (n=8 per group) were treated with either: vehicle (WKY-C); L-NAME (WKY-L, 15 mg/kg/day in drinking fluid); WKY-L given apocynin to block NAD(P)H oxidase (WKY-LApo, 73 mg/kg/day in drinking water.); WKY-L given catalase to enhance ROS scavenging (WKY-LCat, 10000 U/kg/day i.p.); and WKY-L receiving apocynin plus catalase (WKY-LApoCat) daily for 14 days. L-NAME elevated systolic blood pressure (SBP), 116+/-1 to 181±4 mmHg, reduced creatinine clearance, 1.69+/-0.26 to 0.97+/-0.05 ml/min/kg and fractional sodium excretion, 0.84+/-0.09 to 0.55+/-0.09 % at day 14. Concomitantly, plasma malondialdehyde (MDA) increased six fold, while plasma total superoxide dismutase (T-SOD), plasma nitric oxide (NO) and plasma total antioxidant capacity (T-AOC) were decreased by 60-70 % and Nox 4 mRNA expression was increased 2-fold. Treatment with apocynin and catalase attenuated the increase in SBP and improved renal function, enhanced antioxidative stress capacity and reduced the magnitude of Nox4 mRNAs expression in the L-NAME treated rats. This study demonstrated that apocynin and catalase offset the development of L-NAME induced hypertension, renal dysfunction and reduced oxidative stress status, possibly contributed by a reduction in Nox4 expression during NOS inhibition. These findings would suggest that antioxidant compounds such as apocynin and catalase have potential in treating cardiovascular diseases.
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Affiliation(s)
- T Y Chia
- Cardiovascular and Renal Physiology Research Laboratory, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Penang, Malaysia. or . Department of Pharmacology, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Minden, Penang, Malaysia.
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Jindal V, Mittal S, Kaur T, Bansal AS, Kaur P, Kaur G, Sati HC, Garg A. Knowledge, anxiety and the use of hydroxychloroquine prophylaxis among health care students and professionals regarding COVID-19 pandemic. Adv Respir Med 2021; 88:520-530. [PMID: 33393644 DOI: 10.5603/arm.a2020.0163] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/06/2020] [Accepted: 09/08/2020] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Data regarding knowledge and attitude about COVID-19, the prevalence of acceptance of hydroxychloroquine prophylaxis and anxiety amidst COVID-19 pandemic among health care students/professionals in India is scarce. MATERIAL AND METHODS A cross-sectional study was conducted during May 2020, using an online survey via Google forms. A self-administered validated structured questionnaire was applied, which comprised 28 questions among health care students/professionals at a tertiary care centrein North India. RESULTS A total of 956 respondents were included (10.2% nurses, 45.2% medical students, 24.3% paramedical students, 11.7% resident doctors and 8.6% consultant doctors). Overall knowledge score was 9.3/15; the highest for preventive practices (4/5), followed by clinical knowledge (2.7/5) and the use of personal protective equipment (PPE) (2.6/5). The overall score was the highest in consultant doctors (10.8) while the lowest in nurses (8.5) and paramedical students (8.4) (p < 0.001). Less than half of the respondents had knowledge about the correct sequence of doffing PPE and the use of N95 mask. About 21.8% of the participants experienced moderate to severe anxiety; higher among nurses (38%), followed by paramedical students (29.3%); and anxiety was higher when knowledge score was low (27.6% vs 14.7%); both factors were independent predictors on multivariate analysis (p < 0.001). Only 18.1% of the respondents applied HCQ prophylaxis - the highest proportion constituted consultants (42.7%), and the least - paramedical students (5.2%); (p < 0.001) and HCQ use was more frequently used if they had a family member of extreme age group at home (23.3% vs 12.2%; p < 0.001). CONCLUSIONS The knowledge about correct PPE usage is low among all groups of HCWs and students, and there is a high prevalence of anxiety due to COVID-19. The lower COVID-19 knowledge scores were significantly associated with a higher likelihood of anxiety and inadequate use of HCQ prophylaxis. The appliance of HCQ prophylaxis had no significant association with anxiety levels of the respondents.
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Affiliation(s)
- Vinita Jindal
- Adesh Institute of Medical Sciences and Resaerch, Bathinda, Punjab, India
| | - Saurabh Mittal
- All India Institute of Medical Scieneces, New Delhi, India
| | - Tanvir Kaur
- Adesh Institute of Medical Sciences and Resaerch, Bathinda, Punjab, India
| | - Avtar Singh Bansal
- Adesh Institute of Medical Sciences and Resaerch, Bathinda, Punjab, India
| | - Prabhjot Kaur
- Adesh Institute of Medical Sciences and Resaerch, Bathinda, Punjab, India
| | - Gurmeet Kaur
- Adesh Institute of Medical Sciences and Resaerch, Bathinda, Punjab, India
| | - Hem C Sati
- All India Institute of Medical Scieneces, New Delhi, India
| | - Avneet Garg
- Adesh Institute of Medical Sciences and Resaerch, Bathinda, Punjab, India.
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Trivedi M, Dubey SK, Kaur G, Rath NP. Ru( ii)- and Ru( iv)-dmso complexes catalyze efficient and selective aqueous-phase nitrile hydration reactions under mild conditions. NEW J CHEM 2021. [DOI: 10.1039/d1nj03041h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Synthesis and characterization of new water-soluble Ru(ii)- and Ru(iv)-dmso complexes are reported which show good efficiency and selectivity for aqueous-phase nitrile hydration at 60 °C in air. Best performance is achieved using complex [RuCl2(dmso)3(NH3)]·PF6·Cl (3).
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Affiliation(s)
- Manoj Trivedi
- Department of Chemistry, University of Delhi, Delhi-110007, India
- Department of Chemistry, Sri Venkateswara College, University of Delhi, NewDelhi-110021, India
| | - Santosh Kumar Dubey
- Department of Chemistry, Institute of Integrated & Honors Studies, Kurukshetra University, Kurukshetra-136119, India
| | - Gurmeet Kaur
- Department of Chemistry, SGTB Khalsa College, University of Delhi, Delhi 110 007, India
| | - Nigam P. Rath
- Department of Chemistry & Biochemistry and Centre for Nanoscience, University of Missouri-St. Louis, One University Boulevard, St. Louis, MO 63121-4499, USA
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