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Kumar K, Arnold AA, Gauthier R, Mamone M, Paquin JF, Warschawski DE, Marcotte I. 19F solid-state NMR approaches to probe antimicrobial peptide interactions with membranes in whole cells. Biochim Biophys Acta Biomembr 2024; 1866:184269. [PMID: 38176532 DOI: 10.1016/j.bbamem.2023.184269] [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] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 12/19/2023] [Accepted: 12/21/2023] [Indexed: 01/06/2024]
Abstract
To address the global problem of bacterial antibiotic resistance, antimicrobial peptides (AMPs) are considered promising therapeutic candidates due to their broad-spectrum and membrane-lytic activity. As preferential interactions with bacteria are crucial, it is equally important to investigate and understand their impact on eukaryotic cells. In this study, we employed 19F solid-state nuclear magnetic resonance (ssNMR) as a novel approach to examine the interaction of AMPs with whole red blood cells (RBCs). We used RBC ghosts (devoid of hemoglobin) and developed a protocol to label their lipid membranes with palmitic acid (PA) monofluorinated at carbon positions 4, 8, or 14 on the acyl chain, allowing us to probe different locations in model and intact RBC ghost membranes. Our work revealed that changes in the 19F chemical shift anisotropy, monitored through a CF bond order parameter (SCF), can provide insights into lipid bilayer dynamics. This information was also obtained using magic-angle spinning 19F ssNMR spectra with and without 1H decoupling, by studying alterations in the second spectral moment (M2) as well as the 19F isotropic chemical shift, linewidth, T1, and T2 relaxation times. The appearance of an additional isotropic peak with a smaller chemical shift anisotropy, a narrower linewidth, and a shorter T1, induced by the AMP caerin 1.1, supports the presence of high-curvature regions in RBCs indicative of pore formation, analogous to its antimicrobial mechanism. In summary, the straightforward incorporation of monofluorinated FAs and rapid signal acquisition offer promising avenues for the study of whole cells using 19F ssNMR.
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Affiliation(s)
- Kiran Kumar
- Departement of Chemistry, Université du Québec à Montréal, P.O. Box 8888, Downtown Station, Montreal H3C 3P8, Canada
| | - Alexandre A Arnold
- Departement of Chemistry, Université du Québec à Montréal, P.O. Box 8888, Downtown Station, Montreal H3C 3P8, Canada
| | - Raphaël Gauthier
- PROTEO, CCVC, Département de chimie, Université Laval, 1045 Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
| | - Marius Mamone
- PROTEO, CCVC, Département de chimie, Université Laval, 1045 Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
| | - Jean-François Paquin
- PROTEO, CCVC, Département de chimie, Université Laval, 1045 Avenue de la Médecine, Québec, Québec G1V 0A6, Canada
| | - Dror E Warschawski
- Departement of Chemistry, Université du Québec à Montréal, P.O. Box 8888, Downtown Station, Montreal H3C 3P8, Canada; Laboratoire des Biomolécules, LBM, CNRS UMR 7203, Sorbonne Université, École normale supérieure, PSL University, 75005 Paris, France.
| | - Isabelle Marcotte
- Departement of Chemistry, Université du Québec à Montréal, P.O. Box 8888, Downtown Station, Montreal H3C 3P8, Canada.
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Kumari B, Chauhan S, Chauhan GS, Kumar K, Jamwal P, Ranote S. A two-in-one thiosemicarbazide and whole pine needle-based adsorbent for rapid and efficient adsorption of methylene blue dye and mercuric ions. Environ Sci Pollut Res Int 2024; 31:21591-21609. [PMID: 38396177 DOI: 10.1007/s11356-024-32446-3] [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] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 02/08/2024] [Indexed: 02/25/2024]
Abstract
Herein, we report the synthesis of an oxidized pine needle-thiosemicarbazone Schiff base (OPN-TSC) from whole pine needles (WPN) as a dual-purpose adsorbent to remove a cationic dye, methylene blue (MB), and Hg2+ ions in separate processes. The adsorbent was synthesized by periodate oxidation of WPN followed by a reaction with thiosemicarbazide. The syntheses of OPN and OPN-TSC were confirmed by FTIR, XRD, FESEM, EDS, BET, and surface charge analysis. The emergence of new peaks at 1729 cm-1 (-CHO stretching) and 1639 cm-1 (-COO- stretching) in the FTIR spectrum of OPN confirmed the oxidation of WPN to OPN. FTIR spectrum of OPN-TSC has a peak at 1604 cm-1 (C = N stretching), confirming the functionalization of OPN to OPN-TSC. XRD studies revealed an increase in the crystallinity of OPN and a decrease in the crystallinity of OPN-TSC because of the attachment of thiosemicarbazide to OPN. The values of %removal for MB and Hg2+ ions by OPN-TSC were found to be 87.36% and 98.2% with maximum adsorption capacity of 279.3 mg/g and 196 mg/g for MB and Hg2+ ions, respectively. The adsorption of MB followed pseudo-second-order kinetics with correlation coefficient (R2 of 0.99383) and Freundlich isotherm (R2 = 0.97239), whereas Hg2+ ion removal demonstrated the Elovich (R2 = 0.97076) and Langmuir isotherm (R2 = 0.95110). OPN-TSC is regenerable with significant recyclability up to 10 cycles for both the adsorbates. The studies established OPN-TSC as a low-cost, sustainable, biodegradable, environmentally benign, and promising adsorbent for the removal of hazardous cationic dyes and toxic metal ions from wastewater and industrial effluents, especially the textile effluents.
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Affiliation(s)
- Babita Kumari
- Department of Chemistry, Himachal Pradesh University, Summerhill, Shimla, Himachal-Pradesh, India, 171005
| | - Sandeep Chauhan
- Department of Chemistry, Himachal Pradesh University, Summerhill, Shimla, Himachal-Pradesh, India, 171005.
| | - Ghanshyam S Chauhan
- Department of Chemistry, Himachal Pradesh University, Summerhill, Shimla, Himachal-Pradesh, India, 171005
| | - Kiran Kumar
- Department of Chemistry, Himachal Pradesh University, Summerhill, Shimla, Himachal-Pradesh, India, 171005
| | - Pooja Jamwal
- Department of Chemistry, Himachal Pradesh University, Summerhill, Shimla, Himachal-Pradesh, India, 171005
| | - Sunita Ranote
- Department of Chemistry, Himachal Pradesh University, Summerhill, Shimla, Himachal-Pradesh, India, 171005
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34. M. Curie-Skłodowska St, 41-819, Zabrze, Poland
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Kumar K, Lakshmi Devi V, Dhanamjayulu C, Kotb H, ELrashidi A. Evaluation and deployment of a unified MPPT controller for hybrid Luo converter in combined PV and wind energy systems. Sci Rep 2024; 14:3248. [PMID: 38332236 DOI: 10.1038/s41598-024-53605-z] [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] [Received: 12/30/2023] [Accepted: 02/02/2024] [Indexed: 02/10/2024] Open
Abstract
This work emphasizes the development and examination of a Hybrid Luo Converter integrated with a unified Maximum Power Point Tracking (MPPT) for both grid and independent hybrid systems. The primary objectives of this hybrid system are to efficiently harness power from intermittent and variable renewable sources while elevating low-voltage energy inputs to utility-grade levels. Unlike previous studies employing specific MPPT algorithms for solar and wind sources, this work aims to simplify the control system by utilizing a unified MPPT controller. This research also introduces a novel approach involving dual-lift hybrid Luo converters to create hybrid systems, operating exclusively or concurrently based on the availability of renewable resources. To maximize power generation from all renewable sources, a unified MPPT algorithm is developed. The hybrid system, incorporates 500 W wind and 560 W PV systems, the innovative Luo converter, and the unified MPPT controller. A comprehensive comparative analysis is presented, comparing the hybrid system's performance with that of traditional control algorithms, such as the Perturb & Observe, and Radial Basis Function Network controllers. The successful prototype of the converter validates the practicality of the proposed approach.
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Affiliation(s)
- K Kumar
- Department of Electrical and Electronic Engineering, Sri Venkateswara College of Engineering, Tirupati, India
| | - V Lakshmi Devi
- Department of Electrical and Electronic Engineering, Sri Venkateswara College of Engineering, Tirupati, India
| | - C Dhanamjayulu
- School of Electrical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India.
| | - Hossam Kotb
- Department of Electrical Power and Machines, Faculty of Engineering, Alexandria University, Alexandria, 21544, Egypt
| | - Ali ELrashidi
- Electrical Engineering Department, University of Business and Technology, Ar Rawdah, 23435, Jeddah, Saudi Arabia.
- Engineering Mathematics Department, Faculty of Engineering, Alexandria University, Alexandria, 21544, Egypt.
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Moreno O, Kumar K, Lurie F, Passman MA, Jacobowitz G, Aziz F, Henke P, Wakefield T, Obi A. A mapping review of Pacific Vascular Symposium 6 initiatives. J Vasc Surg Venous Lymphat Disord 2023:101723. [PMID: 38135216 DOI: 10.1016/j.jvsv.2023.101723] [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: 07/06/2023] [Revised: 11/08/2023] [Accepted: 11/11/2023] [Indexed: 12/24/2023]
Abstract
OBJECTIVE The 2010 Pacific Vascular Symposium 6 (PVS6) brought venous disease content experts together with a goal of addressing critical issues collated together in the next decade with concrete plans to achieve these goals. This mapping review aims to provide a broader representation of how progress in critical issues of chronic venous disease has been made by extrapolating scientific publications related to the PVS6 initiatives. METHODS We performed a mapping review identifying original or systematic review/meta-analysis articles related to PVS 6 initiatives (aims) that addressed one of the following key objectives: scales to measure chronic venous disease, effectiveness of interventional deep venous thrombus removal, development of a deep venous valve, and biomarkers related to venous disease. Searches were undertaken in PubMed, Ovid Medline, Cochrane Library, Embase (Elsevier), CINAHL (EBSCO), and Scopus. We extracted descriptive information about the studies and predefined variables for each specific aim, showing what and where research exists on the aims included. RESULTS A total of 2138 articles were screened from 3379 retrieved articles from six electronic databases. We mapped 186 included articles, finding that the total number of publications significantly increased after the 2010 PVS6 meeting. Aim results were visually summarized. The largest body of data addressed catheter-based thrombus removal strategies for acute iliofemoral deep venous thrombosis. Primary research on artificial venous valves and venous biomarkers remained limited. No new post-thrombotic syndrome (PTS) score has been developed. CONCLUSIONS This mapping review identified and characterized the available evidence and gaps in our knowledge of chronic venous disease that exist visually, which may guide where more significant investments for the future should be targeted.
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Affiliation(s)
- Oscar Moreno
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Kiran Kumar
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Fedor Lurie
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI; Jobst Vascular Institute of ProMedica, Toledo, OH
| | - Marc A Passman
- UAB Vein Program and Clinic, Department of Surgery, The University of Alabama at Birmingham, Birmingham, AL
| | - Glen Jacobowitz
- Section of Vascular Surgery, Department of Surgery, New York University, New York, NY
| | - Faisal Aziz
- Division of Vascular Surgery, Department of Surgery, The Pennsylvania State University, Hershey, PA
| | - Peter Henke
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Thomas Wakefield
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Andrea Obi
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI.
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Anehosur V, Kumar N, Visweswaran A, Kumar K, Prabhu A. Low-Grade Fibromyxoid Sarcoma in the Hard Palate: A Rare Case Report and Review of the Literature. J Maxillofac Oral Surg 2023; 22:1180-1185. [PMID: 38105866 PMCID: PMC10719444 DOI: 10.1007/s12663-023-01953-0] [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] [Received: 12/14/2022] [Accepted: 06/17/2023] [Indexed: 12/19/2023] Open
Affiliation(s)
- Venkatesh Anehosur
- Department Oral & Maxillofacial Surgery, SDM Craniofacial Centre, SDM College of Dental Sciences & Hospital, A Constituent Unit of Shri Dharmasthala Manjunatheshwara University, Dharwad, Karnataka India
| | - Niranjan Kumar
- Department Plastic and Reconstructive Surgery, Director of SDM Craniofacial Unit and Research Centre, SDM College of Medical Sciences & Hospital, A Constituent Unit of Shri Dharmasthala Manjunatheshwara University, Dharwad, Karnataka India
| | - Anandhi Visweswaran
- Meenakshi Ammal Dental and Hospital, A Constituent Unit of Meenakshi Academy of Higher Education (Research-Deemed to be University), Chennai, Tamil Nadu India
| | - Kiran Kumar
- Department of Oral Pathology and Microbiology, SDM College of Dental Sciences and Hospital, A Constituent Unit of Shri Dharmasthala Manjunatheshwara University, Dharwad, Karnataka India
| | - Avinash Prabhu
- Department Plastic and Reconstructive Surgery, SDM College of Medical Sciences & Hospital, A Constituent Unit of Shri Dharmasthala Manjunatheshwara University, Dharwad, Karnataka India
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Stanger L, Yamaguchi A, Yalavarthi P, Lambert S, Gilmore D, Rickenberg A, Luke C, Kumar K, Obi AT, White A, Bergh N, Dahlöf B, Holinstat M. The oxylipin analog CS585 prevents platelet activation and thrombosis through activation of the prostacyclin receptor. Blood 2023; 142:1556-1569. [PMID: 37624927 PMCID: PMC10656727 DOI: 10.1182/blood.2023020622] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 07/17/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
Cardiovascular disease remains the primary cause of morbidity and mortality globally. Platelet activation is critical for maintaining hemostasis and preventing the leakage of blood cells from the vessel. There has been a paucity in the development of new drugs to target platelet reactivity. Recently, the oxylipin 12(S)-hydroxy-eicosatrienoic acid (12-HETrE), which is produced in platelets, was shown to limit platelet reactivity by activating the prostacyclin receptor. Here, we demonstrated the synthesis of a novel analog of 12-HETrE, known as CS585. Human blood and mouse models of hemostasis and thrombosis were assessed for the ability of CS585 to attenuate platelet activation and thrombosis without increasing the risk of bleeding. Human platelet activation was assessed using aggregometry, flow cytometry, western blot analysis, total thrombus formation analysis system, microfluidic perfusion chamber, and thromboelastography. Hemostasis, thrombosis, and bleeding assays were performed in mice. CS585 was shown to potently target the prostacyclin receptor on the human platelet, resulting in a highly selective and effective mechanism for the prevention of platelet activation. Furthermore, CS585 was shown to inhibit platelet function in human whole blood ex vivo, prevent thrombosis in both small and large vessels in mouse models, and exhibit long-lasting prevention of clot formation. Finally, CS585 was not observed to perturb coagulation or increase the risk of bleeding in the mouse model. Hence, CS585 represents a new validated target for the treatment of thrombotic diseases without the risk of bleeding or off-target activation observed with other prostaglandin receptor agonists.
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Affiliation(s)
- Livia Stanger
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI
| | - Adriana Yamaguchi
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI
| | - Pooja Yalavarthi
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI
| | - Sylviane Lambert
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI
| | - Devin Gilmore
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI
| | - Andrew Rickenberg
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI
| | - Catherine Luke
- Department of Vascular Surgery, University of Michigan Medical School, Ann Arbor, MI
| | - Kiran Kumar
- Department of Vascular Surgery, University of Michigan Medical School, Ann Arbor, MI
| | - Andrea T. Obi
- Department of Vascular Surgery, University of Michigan Medical School, Ann Arbor, MI
| | - Andrew White
- Department of Medicinal Chemistry, University of Michigan Medical School, Ann Arbor, MI
| | - Niklas Bergh
- Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
- Cereno Scientific, Gothenburg, Sweden
- Department of Cardiology, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Björn Dahlöf
- Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
- Cereno Scientific, Gothenburg, Sweden
| | - Michael Holinstat
- Department of Pharmacology, University of Michigan Medical School, Ann Arbor, MI
- Department of Vascular Surgery, University of Michigan Medical School, Ann Arbor, MI
- Division of Cardiovascular Medicine, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI
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Sankar J, Muralidharan J, Lalitha AV, Rameshkumar R, Pathak M, Das RR, Nadkarni VM, Ismail J, Subramanian M, Nallasamy K, Dev N, Kumar UV, Kumar K, Sharma T, Jaravta K, Thakur N, Aggarwal P, Jat KR, Kabra SK, Lodha R. Multiple Electrolytes Solution Versus Saline as Bolus Fluid for Resuscitation in Pediatric Septic Shock: A Multicenter Randomized Clinical Trial. Crit Care Med 2023; 51:1449-1460. [PMID: 37294145 DOI: 10.1097/ccm.0000000000005952] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
OBJECTIVE To determine if initial fluid resuscitation with balanced crystalloid (e.g., multiple electrolytes solution [MES]) or 0.9% saline adversely affects kidney function in children with septic shock. DESIGN Parallel-group, blinded multicenter trial. SETTING PICUs of four tertiary care centers in India from 2017 to 2020. PATIENTS Children up to 15 years of age with septic shock. METHODS Children were randomized to receive fluid boluses of either MES (PlasmaLyte A) or 0.9% saline at the time of identification of shock. All children were managed as per standard protocols and monitored until discharge/death. The primary outcome was new and/or progressive acute kidney injury (AKI), at any time within the first 7 days of fluid resuscitation. Key secondary outcomes included hyperchloremia, any adverse event (AE), at 24, 48, and 72 hours, and all-cause ICU mortality. INTERVENTIONS MES solution ( n = 351) versus 0.9% saline ( n = 357) for bolus fluid resuscitation during the first 7 days. MEASUREMENTS AND MAIN RESULTS The median age was 5 years (interquartile range, 1.3-9); 302 (43%) were girls. The relative risk (RR) for meeting the criteria for new and/or progressive AKI was 0.62 (95% CI, 0.49-0.80; p < 0.001), favoring the MES (21%) versus the saline (33%) group. The proportions of children with hyperchloremia were lower in the MES versus the saline group at 24, 48, and 72 hours. There was no difference in the ICU mortality (33% in the MES vs 34% in the saline group). There was no difference with regard to infusion-related AEs such as fever, thrombophlebitis, or fluid overload between the groups. CONCLUSIONS Among children presenting with septic shock, fluid resuscitation with MES (balanced crystalloid) as compared with 0.9% saline resulted in a significantly lower incidence of new and/or progressive AKI during the first 7 days of hospitalization.
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Affiliation(s)
- Jhuma Sankar
- Division of Pediatric Pulmonology and Intensive Care, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Jayashree Muralidharan
- Division of Pediatric Critical Care, Department of Pediatrics, PGIMER, Chandigarh, India
| | - A V Lalitha
- Department of Pediatrics Intensive Care, St Johns' Medical College Bengaluru, India
| | | | - Mona Pathak
- Research and Development Department, Kalinga Institute of Medical Sciences, Bhubaneswar, India
| | | | - Vinay M Nadkarni
- Division of Critical Care Medicine, Department of Anesthesiology and Critical Care, The Children's Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
| | - Javed Ismail
- Pediatric Intensive Care Unit, NMC Royal Hospital Khalifa City, Abu Dhabi, United Arab Emirates
| | - Mahadevan Subramanian
- Division of Pediatric Critical Care, Department of Pediatrics, JIPMER, Puducherry, India
| | - Karthi Nallasamy
- Division of Pediatric Critical Care, Department of Pediatrics, PGIMER, Chandigarh, India
| | - Nishanth Dev
- Department of Medicine, VMMC and Safdarjung Hospital, New Delhi, India
| | - U Vijay Kumar
- Division of Pediatric Pulmonology and Intensive Care, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Kiran Kumar
- Division of Pediatric Pulmonology and Intensive Care, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Taniya Sharma
- Division of Pediatric Pulmonology and Intensive Care, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Kanika Jaravta
- Division of Pediatric Pulmonology and Intensive Care, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Neha Thakur
- Division of Pediatric Critical Care, Department of Pediatrics, PGIMER, Chandigarh, India
| | | | - Kana Ram Jat
- Division of Pediatric Pulmonology and Intensive Care, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - S K Kabra
- Division of Pediatric Pulmonology and Intensive Care, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Rakesh Lodha
- Division of Pediatric Pulmonology and Intensive Care, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
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Kumar K, Loebinger MR. Concomitant or sequential pulmonary infection with non-tuberculous mycobacteria and Aspergillus. Int J Tuberc Lung Dis 2023; 27:797-802. [PMID: 37880890 DOI: 10.5588/ijtld.23.0215] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2023] Open
Abstract
Non-tuberculous mycobacteria (NTM) and Aspergillus are ubiquitous organisms that have the potential to cause significant pulmonary disease in certain clinical contexts. An association is known to exist between NTM and Aspergillus lung infections. However, it is unclear if NTM infection predisposes to Aspergillus infection or vice versa. It is also unclear whether treatment for one results in a favourable ecological niche that facilitates the growth of the other and promotes subsequent clinical disease. An improved understanding of the link between these two pulmonary pathogens is critical to guide improvements in clinical practice, and ultimately, enhance outcomes among patients who are at risk of experiencing these infections, either concomitantly or sequentially. Here, we discuss the association between pulmonary NTM and Aspergillus infections. We address the frequency with which coinfection or sequential infections are reported to occur, predisposing risk factors that have been identified and the impact on clinical outcomes. Current data on the mechanistic links between NTM and Aspergillus lung infections are also considered. The potential implications for routine clinical practice are explored.
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Affiliation(s)
- K Kumar
- National Heart and Lung Institute, Imperial College London, London, Host Defence Unit, Department of Respiratory Medicine, Royal Brompton Hospital, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - M R Loebinger
- National Heart and Lung Institute, Imperial College London, London, Host Defence Unit, Department of Respiratory Medicine, Royal Brompton Hospital, Guy's and St Thomas' NHS Foundation Trust, London, UK
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9
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Kumar K, Hallikeri K, Oli A, Goni M, Jain A, Poyya J, Shilpasree AS, Javaregowda PK. Quantitative analysis of lncRNA in formalin-fixed paraffin-embedded tissues of oral squamous cell carcinoma. Biotechniques 2023; 75:133-142. [PMID: 37589188 DOI: 10.2144/btn-2023-0033] [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: 08/18/2023] Open
Abstract
The study evaluated expression profiles of few regulatory lncRNAs in oral squamous cell carcinoma and normal mucosa adjacent to oral cancer using paired fresh frozen and formalin-fixed paraffin-embedded (FFPE) tissues stored at a different duration of time (1-5 years) using real-time quantitative PCR. The quantity and quality of total RNA isolated from FFPE tissues was less compared with that of fresh frozen tissues, which resulted in a noncorrelation of quantification cycle values. Following normalization, the expression of lncRNAs in the paired tissues did not differ significantly. The differential expression of the lncRNAs in the study was consistent with The Cancer Genome Atlas head and neck squamous cell carcinoma database. The study findings demonstrate the possibility of performing accurate quantitative analysis of lncRNAs using short amplicons and standardized real-time quantitative PCR assays in oral squamous cell carcinoma FFPE samples.
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Affiliation(s)
- Kiran Kumar
- Department of Oral and Maxillofacial Pathology and Oral Microbiology, SDM College of Dental Sciences and Hospital (a constituent unit of Shri Dharmasthala Manjunatheshwara University), Dharwad, Karnataka State, 580009, India
| | - Kaveri Hallikeri
- Department of Oral and Maxillofacial Pathology and Oral Microbiology, SDM College of Dental Sciences and Hospital (a constituent unit of Shri Dharmasthala Manjunatheshwara University), Dharwad, Karnataka State, 580009, India
| | - Ajaykumar Oli
- Department of Biomedical Science, SDM Research Institute for Biomedical Sciences (a constituent unit of Shri Dharmasthala Manjunatheshwara University), Dharwad, Karnataka State, 580009, India
| | - Mallikarjun Goni
- Department of Biomedical Science, SDM Research Institute for Biomedical Sciences (a constituent unit of Shri Dharmasthala Manjunatheshwara University), Dharwad, Karnataka State, 580009, India
| | - Apoorva Jain
- Department of Biomedical Science, SDM Research Institute for Biomedical Sciences (a constituent unit of Shri Dharmasthala Manjunatheshwara University), Dharwad, Karnataka State, 580009, India
| | - Jagadeesha Poyya
- Department of Biomedical Science, SDM Research Institute for Biomedical Sciences (a constituent unit of Shri Dharmasthala Manjunatheshwara University), Dharwad, Karnataka State, 580009, India
| | - Alagilavada S Shilpasree
- Department of Biochemistry, SDM College of Medical Sciences and Hospital (a constituent unit of Shri Dharmasthala Manjunatheshwara University), Dharwad, Karnataka State, 580009, India
| | - Palaksha Kanive Javaregowda
- Department of Biomedical Science, SDM Research Institute for Biomedical Sciences (a constituent unit of Shri Dharmasthala Manjunatheshwara University), Dharwad, Karnataka State, 580009, India
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Suresh Kumar S, Kumar K, Venkataramani S, Ghazi NM. Central Diabetes Insipidus: An Acute Manifestation of COVID-19 Infection. Cureus 2023; 15:e43884. [PMID: 37746393 PMCID: PMC10511668 DOI: 10.7759/cureus.43884] [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] [Accepted: 08/21/2023] [Indexed: 09/26/2023] Open
Abstract
In recent years, there has been a rise in the number of COVID-19 cases and its complications. Central diabetes insipidus (central DI) is a rare but treatable manifestation of acute COVID-19 infection. This case reports the rapid onset of central DI in a 35-year-old male in less than two weeks post-COVID-19 infection. He made a complete recovery post-administration of desmopressin within one month. Prompt diagnosis, treatment, and periodic follow-up are hence the cornerstones of a successful recovery for a patient with central DI post-COVID-19 infection.
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Affiliation(s)
| | - Kiran Kumar
- Internal Medicine, Thumbay University Hospital, Ajman, ARE
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11
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Kumari B, Chauhan GS, Ranote S, Jamwal P, Kumar R, Kumar K, Chauhan S. KMnO 4-oxidized whole pine needle based adsorbent for selective and efficient removal of cationic dyes. Int J Phytoremediation 2023; 26:178-192. [PMID: 37409646 DOI: 10.1080/15226514.2023.2231555] [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] [Subscribe] [Scholar Register] [Indexed: 07/07/2023]
Abstract
In the present study, we report the chemical modification of the dried and fallen pine needles (PNs) via a simple protocol using KMnO4 oxidation. The oxidized PNs (OPNs) were evaluated as adsorbents using some cationic and anionic dyes. The successful synthesis of OPNs adsorbent was characterized by various techniques to ascertain its structural attributes. The adsorbent showed selectivity for the cationic dyes with 96.11% removal (Pr) for malachite green (MG) and 89.68% Pr for methylene blue (MB) in 120 min. Kinetic models namely, pseudo-first order, pseudo-second order, and Elovich were applied to have insight into adsorption. Additionally, three adsorption isotherms, i.e., Langmuir, Freundlich, and Temkin were also applied. The dye adsorption followed a pseudo-second-order kinetic model with R2 > 0.99912 for MG and R2 > 0.9998 for MB. The adsorbent followed the Langmuir model with a maximum adsorption capacity (qm) of 223.2 mg/g and 156.9 mg/g for MG and MB, respectively. Furthermore, the OPNs showed remarkable regeneration and recyclability up to nine adsorption-desorption cycles with appreciable adsorption for both the dyes. The use of OPNs as an adsorbent for the removal of dyes from wastewater, therefore, provides an ecologically benign, low-cost, and sustainable solution.
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Affiliation(s)
- Babita Kumari
- Department of Chemistry, Himachal Pradesh University, Shimla, India
| | | | - Sunita Ranote
- Department of Chemistry, Himachal Pradesh University, Shimla, India
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, Zabrze, Poland
| | - Pooja Jamwal
- Department of Chemistry, Himachal Pradesh University, Shimla, India
| | - Rajesh Kumar
- Department of Chemistry, Jagdish Chandra DAV College, Dasuya, India
| | - Kiran Kumar
- Department of Chemistry, Himachal Pradesh University, Shimla, India
| | - Sandeep Chauhan
- Department of Chemistry, Himachal Pradesh University, Shimla, India
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12
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Prasad P, Khalil E, Desai VB, Varma SR, Gunasekaran L, Kumar K, Pradeep S. Bifid Uvula-An Enigma. J Pharm Bioallied Sci 2023; 15:S806-S809. [PMID: 37654280 PMCID: PMC10466618 DOI: 10.4103/jpbs.jpbs_464_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] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/01/2022] [Accepted: 12/14/2022] [Indexed: 09/02/2023] Open
Abstract
Facial development involves an intricate regulatory mechanism that accounts for numerous craniofacial abnormalities, common being orofacial clefts. Although cleft in the secondary palate accounts for one-third of orofacial clefts stills remains an under-researched domain. Hence, in this work, the authors put forth two non-syndromic, asymptomatic cleft uvulae reported among bimodal male patients of the Indian-Asiatic population who came up for dental screening. Most of the time, isolated/asymptomatic cleft uvula patients will be reluctant to further investigations and treatment. Although bifid uvula looks benign in most patients, it may sometimes be associated with catastrophic complications. To conclude, whenever bifid uvula is an incidental finding, it is the responsibility of the healthcare worker to plan a thorough patient workup as a primary preventive measure to rule out any complications whenever feasible. It can help us overcome many future unforeseen sequelae and emergency management due to bifid uvula.
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Affiliation(s)
- Prathibha Prasad
- Department of Basic Dental Sciences, College of Dentistry, Ajman University, Ajman, UAE
- Center of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, UAE
| | - Ebtesam Khalil
- Center of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, UAE
- Department of Basic Dental Sciences, College of Dentistry, Ajman University, Ajman, UAE
| | - Vijay Bhavrao Desai
- Center of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, UAE
- Department of Clinical Sciences, College of Dentistry, Ajman University, Ajman, UAE
| | - Sudhir Rama Varma
- Center of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, UAE
- Department of Clinical Sciences, College of Dentistry, Ajman University, Ajman, UAE
| | - Lalithambigai Gunasekaran
- Department of Public Health Dentistry, Vivekananda Dental College for Women, Namakkal, Tamil Nadu, India
| | - Kiran Kumar
- Department of Oral and Maxillofacial Pathology and Oral Microbiology, SDM College of Dental Sciences and Hospital, (A Constituent Unit of Shri Dharmasthala Manjunatheshwara University) Dharwad, Karnataka state, India
| | - Sulakshana Pradeep
- Department of Pediatric and Preventive Dentistry, Government Dental College and Research Institute, Bengaluru, Karnataka, India
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13
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Liu W, Mulhearn J, Hao B, Cañellas S, Last S, Gómez JE, Jones A, De Vera A, Kumar K, Rodríguez R, Van Eynde L, Strambeanu II, Wolkenberg SE. Enabling Deoxygenative C(sp 2)-C(sp 3) Cross-Coupling for Parallel Medicinal Chemistry. ACS Med Chem Lett 2023; 14:853-859. [PMID: 37312855 PMCID: PMC10258906 DOI: 10.1021/acsmedchemlett.3c00118] [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: 03/31/2023] [Accepted: 05/10/2023] [Indexed: 06/15/2023] Open
Abstract
Herein we report the development of an automated deoxygenative C(sp2)-C(sp3) coupling of aryl bromide with alcohols to enable parallel medicinal chemistry. Alcohols are among the most diverse and abundant building blocks, but their usage as alkyl precursors has been limited. Although metallaphotoredox deoxygenative coupling is becoming a promising strategy to form C(sp2)-C(sp3) bond, the reaction setup limits its widespread application in library synthesis. To achieve high throughput and consistency, an automated workflow involving solid-dosing and liquid-handling robots has been developed. We have successfully demonstrated this high-throughput protocol is robust and consistent across three automation platforms. Furthermore, guided by cheminformatic analysis, we examined alcohols with comprehensive chemical space coverage and established a meaningful scope for medicinal chemistry applications. By accessing the rich diversity of alcohols, this automated protocol has the potential to substantially increase the impact of C(sp2)-C(sp3) cross-coupling in drug discovery.
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Affiliation(s)
- Wei Liu
- Discovery
Chemistry, Janssen Research & Development
LLC, 1400 McKean Road, Spring House, Pennsylvania 19477, United States
| | - James Mulhearn
- Discovery
Chemistry, Janssen Research & Development
LLC, 1400 McKean Road, Spring House, Pennsylvania 19477, United States
| | - Bo Hao
- Discovery
Chemistry, Janssen Research & Development
LLC, 1400 McKean Road, Spring House, Pennsylvania 19477, United States
| | - Santiago Cañellas
- Discovery
Chemistry, Janssen Research & Development LLC, Janssen-Cilag, S.A., E-45007 Toledo, Spain
| | - Stefaan Last
- Discovery
Chemistry, Janssen Research & Development
LLC, 2340 Beerse, Belgium
| | - José Enrique Gómez
- Discovery
Chemistry, Janssen Research & Development LLC, Janssen-Cilag, S.A., E-45007 Toledo, Spain
| | - Alexander Jones
- Discovery
Chemistry, Janssen Research & Development
LLC, 2340 Beerse, Belgium
| | - Alexander De Vera
- Discovery
Chemistry, Janssen Research & Development
LLC, 1400 McKean Road, Spring House, Pennsylvania 19477, United States
| | - Kiran Kumar
- Discovery
Chemistry, Janssen Research & Development
LLC, 1400 McKean Road, Spring House, Pennsylvania 19477, United States
| | - Raquel Rodríguez
- Discovery
Chemistry, Janssen Research & Development LLC, Janssen-Cilag, S.A., E-45007 Toledo, Spain
| | - Lars Van Eynde
- Discovery
Chemistry, Janssen Research & Development
LLC, 2340 Beerse, Belgium
| | - Iulia I. Strambeanu
- Discovery
Chemistry, Janssen Research & Development
LLC, 1400 McKean Road, Spring House, Pennsylvania 19477, United States
| | - Scott E. Wolkenberg
- Discovery
Chemistry, Janssen Research & Development
LLC, 1400 McKean Road, Spring House, Pennsylvania 19477, United States
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Moreno O, Kumar K, Wakefield T, Obi A. Saphenous vein aneurysms characterization and treatment: A 36-year single center experience. Phlebology 2023:2683555231181858. [PMID: 37276249 DOI: 10.1177/02683555231181858] [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: 06/07/2023]
Abstract
BACKGROUND Superficial vein aneurysms (SVA) are rare vascular pathologies associated with trauma, chronic venous disease, and venous malformation. METHOD We retrospectively reviewed cases of SVA treated from 1986 to 2022. RESULTS Out of 2463 venous procedures, 16 patients were found with 19 GSV and 1 SSV aneurysms, with 88% presenting with a palpable mass. Varicose veins were noted in 94% of patients, 81% had concomitant reflux, 15% had thrombus within the aneurysm sac, and 19% demonstrated multiple aneurysms. All patients underwent ligation and excision. Post-procedure, 55% of patients received anticoagulants, and 85% received compression. Mean follow-up was 19.4 months, with no aneurysm recurrence. We propose a modification to the current SVA classification. CONCLUSION The prevalence of multiple aneurysms suggests the need for complete limb imaging in affected patients. Surgical management of SVA was effective in preventing SVA recurrence, while the proposed classification modification will aid in future SVA management.
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Affiliation(s)
- Oscar Moreno
- Department of Vascular Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Kiran Kumar
- Department of Vascular Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Thomas Wakefield
- Department of Vascular Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Andrea Obi
- Department of Vascular Surgery, University of Michigan, Ann Arbor, MI, USA
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Kolli VS, Kumar K, Hajibandeh S, Hajibandeh S. Balloon dissection versus telescopic dissection during laparoscopic totally extraperitoneal (TEP) inguinal hernia repair: a systematic review, meta-analysis, and trial sequential analysis. Hernia 2023; 27:527-539. [PMID: 37188929 DOI: 10.1007/s10029-023-02793-0] [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: 01/13/2023] [Accepted: 04/15/2023] [Indexed: 05/17/2023]
Abstract
OBJECTIVES To compare the outcomes of balloon dissection and telescopic dissection in patients undergoing laparoscopic totally extraperitoneal (TEP) inguinal hernia repair. METHODS A systematic review in accordance with PRISMA statement standards was conducted. A search of electronic information sources was conducted to identify all studies comparing the outcomes of balloon dissection and telescopic dissection in patients undergoing laparoscopic TEP inguinal hernia repair. Random effects modelling was applied to calculate pooled outcome data. RESULTS A total of 936 patients from eight studies were included. The included population in both groups were comparable in terms of baseline characteristics. There was no difference between the two techniques in terms of operation time (MD: - 4.14 min, P = 0.05), conversion to another technique (RD: - 0.02, P = 0.29), recurrence (RD: - 0.00, P = 0.84), haematoma (OR: 1.34, P = 0.61), seroma (OR: 0.63, P = 0.56), surgical site infection (RD: 0.00, P = 1.00), urinary retention (OR: 0.92, P = 0.86), postoperative pain score on day 1 (MD: - 0.16, P = 0.69) and day 7 (MD: - 0.16, P = 0.61). Trial sequential analysis of randomised trials suggested that evidence for operative time and conversion to other technique is subject to type 1 and type 2 error. CONCLUSIONS Balloon dissection and telescopic dissection during TEP inguinal hernia repair are comparable in terms of operative and postoperative outcomes. The available evidence for operative time and conversion to other technique is subject to type 1 and type 2 error. In presence of comparative clinical outcomes, the cost-effectiveness analysis in future studies may play an important role in determining the dissection technique of choice.
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Affiliation(s)
- V Satish Kolli
- Department of General Surgery, Prince Charles Hospital, Merthyr Tydfil, UK
| | - K Kumar
- Department of Surgery, Royal Sussex County Hospital, Brighton, UK
| | - S Hajibandeh
- Department of General Surgery, Royal Stoke University Hospital, Stoke-On-Trent, UK
| | - S Hajibandeh
- Department of General Surgery, University Hospital of Wales, Cardiff & Vale NHS Trust, Cardiff, UK.
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Moreno Rocha OY, Obi AT, Kumar K, Wakefield TW. Saphenous Vein Aneurysm Characterization and Treatment: A 36-year Single-Center Experience. J Vasc Surg 2023. [DOI: 10.1016/j.jvs.2023.01.124] [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: 03/18/2023]
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17
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AARABI A, Kumar K. WCN23-0517 Presentation Title: A CASE OF COMPLICATED INTESTINAL CALCIPHYLAXIS WITH NO CUTANEOUS LESIONS. Kidney Int Rep 2023. [DOI: 10.1016/j.ekir.2023.02.782] [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: 03/22/2023] Open
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18
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Sharma S, Kumar K, Bamezai S, Luke C, Henke P, Moore B, Gallagher K, Obi A. Toll-Like Receptor 4 Signaling Is Essential for Expression of Urokinase in Monocytes and Macrophages. J Vasc Surg Venous Lymphat Disord 2023. [DOI: 10.1016/j.jvsv.2022.12.028] [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: 02/24/2023]
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19
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Sebastiao M, Babych M, Quittot N, Kumar K, Arnold AA, Marcotte I, Bourgault S. Development of a novel fluorescence assay for studying lipid bilayer perturbation induced by amyloidogenic peptides using cell plasma membrane vesicles. Biochim Biophys Acta Biomembr 2023; 1865:184118. [PMID: 36621762 DOI: 10.1016/j.bbamem.2022.184118] [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] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 11/22/2022] [Accepted: 12/27/2022] [Indexed: 01/07/2023]
Abstract
Numerous pathophysiological conditions are associated with the misfolding and aggregation of proteins into insoluble amyloid fibrils. The mechanisms by which this process leads to cellular dysfunction remain elusive, though several hypotheses point toward the perturbation of the cell plasma membrane by pre-fibrillar intermediates and/or amyloid growth. However, current models to study membrane perturbations are largely limited to synthetic lipid vesicles and most of experimental approaches cannot be transposed to complex cell-derived plasma membrane systems. Herein, vesicles originating from the plasma membrane of erythrocytes and β-pancreatic cells were used to study the perturbations induced by an amyloidogenic peptide, the islet amyloid polypeptide (IAPP). These biologically relevant lipid vesicles displayed a characteristic clustering in the presence of the amyloidogenic peptide, which was able to rupture membranes. By exploiting Förster resonance energy transfer (FRET), a rapid, simple, and potentially high-throughput assay to detect membrane perturbations of intact mammalian cell plasma membrane vesicles was implemented. The FRET kinetics of membrane perturbations closely correlated with the kinetics of thioflavin-T fluorescence associated with amyloid formation. This novel kinetics assay expands the toolbox available to study amyloid-associated membrane damage, bridging the gap between synthetic lipid vesicles and living cells.
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Affiliation(s)
- Mathew Sebastiao
- Department of Chemistry, Université du Québec à Montréal, Montreal, QC, Canada; Quebec Network for Research on Protein Function, Engineering, and Applications, PROTEO, Quebec, QC, Canada
| | - Margaryta Babych
- Department of Chemistry, Université du Québec à Montréal, Montreal, QC, Canada; Quebec Network for Research on Protein Function, Engineering, and Applications, PROTEO, Quebec, QC, Canada
| | - Noé Quittot
- Department of Chemistry, Université du Québec à Montréal, Montreal, QC, Canada; Quebec Network for Research on Protein Function, Engineering, and Applications, PROTEO, Quebec, QC, Canada
| | - Kiran Kumar
- Department of Chemistry, Université du Québec à Montréal, Montreal, QC, Canada; Quebec Network for Research on Protein Function, Engineering, and Applications, PROTEO, Quebec, QC, Canada
| | - Alexandre A Arnold
- Department of Chemistry, Université du Québec à Montréal, Montreal, QC, Canada; Quebec Network for Research on Protein Function, Engineering, and Applications, PROTEO, Quebec, QC, Canada
| | - Isabelle Marcotte
- Department of Chemistry, Université du Québec à Montréal, Montreal, QC, Canada; Quebec Network for Research on Protein Function, Engineering, and Applications, PROTEO, Quebec, QC, Canada.
| | - Steve Bourgault
- Department of Chemistry, Université du Québec à Montréal, Montreal, QC, Canada; Quebec Network for Research on Protein Function, Engineering, and Applications, PROTEO, Quebec, QC, Canada.
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Lue BKH, Patel AM, Reves H, Afrough A, Anderson LD, Chung S, Collins RH, Kaur G, Kumar K, Madanat YF, Vusirikala M, Awan FT, Tessier JM, Geethakumari PR. Infectious Complications Post-CAR T-Cell Therapy for Lymphomas: Impact of Bridging Therapy. Transplant Cell Ther 2023. [DOI: 10.1016/s2666-6367(23)00339-1] [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: 02/07/2023]
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21
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Li Y, Roberts ND, Wala JA, Shapira O, Schumacher SE, Kumar K, Khurana E, Waszak S, Korbel JO, Haber JE, Imielinski M, Weischenfeldt J, Beroukhim R, Campbell PJ. Author Correction: Patterns of somatic structural variation in human cancer genomes. Nature 2023; 614:E38. [PMID: 36697835 PMCID: PMC9931568 DOI: 10.1038/s41586-022-05597-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Yilong Li
- Cancer Genome Project, Wellcome Trust Sanger Institute, Hinxton, UK
- Totient Inc, Cambridge, MA, USA
| | - Nicola D Roberts
- Cancer Genome Project, Wellcome Trust Sanger Institute, Hinxton, UK
| | - Jeremiah A Wala
- The Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Bioinformatics and Integrative Genomics, Harvard University, Cambridge, MA, USA
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Ofer Shapira
- The Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Bioinformatics and Integrative Genomics, Harvard University, Cambridge, MA, USA
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Steven E Schumacher
- The Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Bioinformatics and Integrative Genomics, Harvard University, Cambridge, MA, USA
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Kiran Kumar
- The Broad Institute of Harvard and MIT, Cambridge, MA, USA
- Bioinformatics and Integrative Genomics, Harvard University, Cambridge, MA, USA
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Ekta Khurana
- Weill Cornell Medical College, New York, NY, USA
| | - Sebastian Waszak
- European Molecular Biology Laboratory, Genome Biology Unit, Heidelberg, Germany
| | - Jan O Korbel
- European Molecular Biology Laboratory, Genome Biology Unit, Heidelberg, Germany
| | - James E Haber
- Department of Molecular Biology, Rosenstiel Basic Medical Sciences Research Center, Brandeis University, Waltham, MA, USA
| | | | - Joachim Weischenfeldt
- Biotech Research & Innovation Centre (BRIC), The Finsen Laboratory, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.
| | - Rameen Beroukhim
- The Broad Institute of Harvard and MIT, Cambridge, MA, USA.
- Bioinformatics and Integrative Genomics, Harvard University, Cambridge, MA, USA.
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA.
| | - Peter J Campbell
- Cancer Genome Project, Wellcome Trust Sanger Institute, Hinxton, UK.
- Department of Haematology, University of Cambridge, Cambridge, UK.
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Kwon YS, Dohopolski M, Morgan H, Garant A, Sher D, Rahimi A, Sanford NN, Vo DT, Albuquerque K, Kumar K, Timmerman R, Jiang SB. Artificial Intelligence-Empowered Radiation Oncology Residency Education. Pract Radiat Oncol 2023; 13:8-10. [PMID: 36604099 DOI: 10.1016/j.prro.2022.09.003] [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] [Received: 04/29/2022] [Revised: 09/21/2022] [Accepted: 09/22/2022] [Indexed: 01/04/2023]
Affiliation(s)
- Young Suk Kwon
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Michael Dohopolski
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Howard Morgan
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Aurelie Garant
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - David Sher
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Asal Rahimi
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Nina N Sanford
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Dat T Vo
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Kevin Albuquerque
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Kiran Kumar
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Robert Timmerman
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Steve B Jiang
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas.
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Shwetabh K, Upadhyay MM, Kumar K. Synthesis and upconversion emission studies of CaYF 5:Ho 3+/Yb 3+ phosphor and its applications in optical thermometry, fingerprint detection, and security ink †. RSC Adv 2023; 13:9377-9386. [PMID: 36968031 PMCID: PMC10031573 DOI: 10.1039/d3ra00644a] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 03/05/2023] [Indexed: 03/24/2023] Open
Abstract
In this work, a CaYF5:Ho3+/Yb3+ upconversion phosphor was synthesized and its structural, morphological, and optical properties were studied. The upconversion emission study was performed at an excitation pump power density of 5 W cm−2 and emissions at 544 nm, 650 nm and 747 nm due to the 5F4(5S2) → 5I8, 5F5 → 5I8 and 5F4(5S2) → 5I7 transitions of the Ho3+ ion, respectively were observed. From temperature-dependent upconversion spectra temperature sensitivity was calculated and sensitivity is found to be 14 × 10−3 K−1 for the synthesized upconversion phosphor. The photothermal conversion efficiency of the prepared sample in ethanol medium was tested. Moreover, the sample was used to develop latent fingerprints on various surfaces and good contrast in recorded images is observed. The invisible ink was prepared using the upconversion phosphor and then written words were recorded in upconversion emission mode. In this work, a CaYF5:Ho3+/Yb3+ upconversion phosphor was synthesized and its structural, morphological, and optical properties were studied. Apart from these studies, latent fingerprint detection and security ink applications were also demonstrated using this phosphor.![]()
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Affiliation(s)
- Kumar Shwetabh
- Department of Physics, Optical Materials and Bio-imaging Research Laboratory, Indian Institute of Technology (Indian School of Mines)Dhanbad-826004India
| | - Madan M. Upadhyay
- Department of Physics, Optical Materials and Bio-imaging Research Laboratory, Indian Institute of Technology (Indian School of Mines)Dhanbad-826004India
| | - K. Kumar
- Department of Physics, Optical Materials and Bio-imaging Research Laboratory, Indian Institute of Technology (Indian School of Mines)Dhanbad-826004India
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Gerstung M, Jolly C, Leshchiner I, Dentro SC, Gonzalez S, Rosebrock D, Mitchell TJ, Rubanova Y, Anur P, Yu K, Tarabichi M, Deshwar A, Wintersinger J, Kleinheinz K, Vázquez-García I, Haase K, Jerman L, Sengupta S, Macintyre G, Malikic S, Donmez N, Livitz DG, Cmero M, Demeulemeester J, Schumacher S, Fan Y, Yao X, Lee J, Schlesner M, Boutros PC, Bowtell DD, Zhu H, Getz G, Imielinski M, Beroukhim R, Sahinalp SC, Ji Y, Peifer M, Markowetz F, Mustonen V, Yuan K, Wang W, Morris QD, Spellman PT, Wedge DC, Van Loo P, Tarabichi M, Wintersinger J, Deshwar AG, Yu K, Gonzalez S, Rubanova Y, Macintyre G, Adams DJ, Anur P, Beroukhim R, Boutros PC, Bowtell DD, Campbell PJ, Cao S, Christie EL, Cmero M, Cun Y, Dawson KJ, Demeulemeester J, Donmez N, Drews RM, Eils R, Fan Y, Fittall M, Garsed DW, Getz G, Ha G, Imielinski M, Jerman L, Ji Y, Kleinheinz K, Lee J, Lee-Six H, Livitz DG, Malikic S, Markowetz F, Martincorena I, Mitchell TJ, Mustonen V, Oesper L, Peifer M, Peto M, Raphael BJ, Rosebrock D, 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K, Rozen SG, Rubanova Y, Rubin MA, Rubio-Perez C, Rudneva VA, Rusev BC, Ruzzenente A, Rätsch G, Sabarinathan R, Sabelnykova VY, Zhu H, Sadeghi S, Sahinalp SC, Saini N, Saito-Adachi M, Saksena G, Salcedo A, Salgado R, Salichos L, Sallari R, Saller C, Wang W, Salvia R, Sam M, Samra JS, Sanchez-Vega F, Sander C, Sanders G, Sarin R, Sarrafi I, Sasaki-Oku A, Sauer T, Morris QD, Sauter G, Saw RPM, Scardoni M, Scarlett CJ, Scarpa A, Scelo G, Schadendorf D, Schein JE, Schilhabel MB, Schlesner M, Spellman PT, Schlomm T, Schmidt HK, Schramm SJ, Schreiber S, Schultz N, Schumacher SE, Schwarz RF, Scolyer RA, Scott D, Scully R, Wedge DC, Seethala R, Segre AV, Selander I, Semple CA, Senbabaoglu Y, Sengupta S, Sereni E, Serra S, Sgroi DC, Shackleton M, Van Loo P, Shah NC, Shahabi S, Shang CA, Shang P, Shapira O, Shelton T, Shen C, Shen H, Shepherd R, Shi R, Spellman PT, Shi Y, Shiah YJ, Shibata T, Shih J, Shimizu E, Shimizu K, Shin SJ, Shiraishi Y, Shmaya T, Shmulevich I, Wedge DC, Shorser SI, Short 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Author Correction: The evolutionary history of 2,658 cancers. Nature 2023; 614:E42. [PMID: 36697833 PMCID: PMC9931577 DOI: 10.1038/s41586-022-05601-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Moritz Gerstung
- European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Cambridge, UK. .,European Molecular Biology Laboratory, Genome Biology Unit, Heidelberg, Germany. .,Wellcome Sanger Institute, Cambridge, UK.
| | - Clemency Jolly
- grid.451388.30000 0004 1795 1830The Francis Crick Institute, London, UK
| | - Ignaty Leshchiner
- grid.66859.340000 0004 0546 1623Broad Institute of MIT and Harvard, Cambridge, MA USA
| | - Stefan C. Dentro
- grid.10306.340000 0004 0606 5382Wellcome Sanger Institute, Cambridge, UK ,grid.451388.30000 0004 1795 1830The Francis Crick Institute, London, UK ,grid.4991.50000 0004 1936 8948Big Data Institute, University of Oxford, Oxford, UK
| | - Santiago Gonzalez
- grid.225360.00000 0000 9709 7726European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Cambridge, UK
| | - Daniel Rosebrock
- grid.66859.340000 0004 0546 1623Broad Institute of MIT and Harvard, Cambridge, MA USA
| | - Thomas J. Mitchell
- grid.10306.340000 0004 0606 5382Wellcome Sanger Institute, Cambridge, UK ,grid.5335.00000000121885934University of Cambridge, Cambridge, UK
| | - Yulia Rubanova
- grid.17063.330000 0001 2157 2938University of Toronto, Toronto, Ontario Canada ,grid.494618.6Vector Institute, Toronto, Ontario Canada
| | - Pavana Anur
- grid.5288.70000 0000 9758 5690Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR USA
| | - Kaixian Yu
- grid.240145.60000 0001 2291 4776The University of Texas MD Anderson Cancer Center, Houston, TX USA
| | - Maxime Tarabichi
- grid.10306.340000 0004 0606 5382Wellcome Sanger Institute, Cambridge, UK ,grid.451388.30000 0004 1795 1830The Francis Crick Institute, London, UK
| | - Amit Deshwar
- grid.17063.330000 0001 2157 2938University of Toronto, Toronto, Ontario Canada ,grid.494618.6Vector Institute, Toronto, Ontario Canada
| | - Jeff Wintersinger
- grid.17063.330000 0001 2157 2938University of Toronto, Toronto, Ontario Canada ,grid.494618.6Vector Institute, Toronto, Ontario Canada
| | - Kortine Kleinheinz
- grid.7497.d0000 0004 0492 0584German Cancer Research Center (DKFZ), Heidelberg, Germany ,grid.7700.00000 0001 2190 4373Heidelberg University, Heidelberg, Germany
| | - Ignacio Vázquez-García
- grid.10306.340000 0004 0606 5382Wellcome Sanger Institute, Cambridge, UK ,grid.5335.00000000121885934University of Cambridge, Cambridge, UK
| | - Kerstin Haase
- grid.451388.30000 0004 1795 1830The Francis Crick Institute, London, UK
| | - Lara Jerman
- grid.225360.00000 0000 9709 7726European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Cambridge, UK ,grid.8954.00000 0001 0721 6013University of Ljubljana, Ljubljana, Slovenia
| | - Subhajit Sengupta
- grid.240372.00000 0004 0400 4439NorthShore University HealthSystem, Evanston, IL USA
| | - Geoff Macintyre
- grid.5335.00000000121885934Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, UK
| | - Salem Malikic
- grid.61971.380000 0004 1936 7494Simon Fraser University, Burnaby, British Columbia Canada ,grid.412541.70000 0001 0684 7796Vancouver Prostate Centre, Vancouver, British Columbia Canada
| | - Nilgun Donmez
- grid.61971.380000 0004 1936 7494Simon Fraser University, Burnaby, British Columbia Canada ,grid.412541.70000 0001 0684 7796Vancouver Prostate Centre, Vancouver, British Columbia Canada
| | - Dimitri G. Livitz
- grid.66859.340000 0004 0546 1623Broad Institute of MIT and Harvard, Cambridge, MA USA
| | - Marek Cmero
- grid.1008.90000 0001 2179 088XUniversity of Melbourne, Melbourne, Victoria Australia ,grid.1042.70000 0004 0432 4889Walter and Eliza Hall Institute, Melbourne, Victoria Australia
| | - Jonas Demeulemeester
- grid.451388.30000 0004 1795 1830The Francis Crick Institute, London, UK ,grid.5596.f0000 0001 0668 7884University of Leuven, Leuven, Belgium
| | - Steven Schumacher
- grid.66859.340000 0004 0546 1623Broad Institute of MIT and Harvard, Cambridge, MA USA
| | - Yu Fan
- grid.240145.60000 0001 2291 4776The University of Texas MD Anderson Cancer Center, Houston, TX USA
| | - Xiaotong Yao
- grid.5386.8000000041936877XWeill Cornell Medicine, New York, NY USA ,grid.429884.b0000 0004 1791 0895New York Genome Center, New York, NY USA
| | - Juhee Lee
- grid.205975.c0000 0001 0740 6917University of California Santa Cruz, Santa Cruz, CA USA
| | - Matthias Schlesner
- grid.7497.d0000 0004 0492 0584German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Paul C. Boutros
- grid.17063.330000 0001 2157 2938University of Toronto, Toronto, Ontario Canada ,grid.419890.d0000 0004 0626 690XOntario Institute for Cancer Research, Toronto, Ontario Canada ,grid.19006.3e0000 0000 9632 6718University of California, Los Angeles, CA USA
| | - David D. Bowtell
- grid.1055.10000000403978434Peter MacCallum Cancer Centre, Melbourne, Victoria Australia
| | - Hongtu Zhu
- grid.240145.60000 0001 2291 4776The University of Texas MD Anderson Cancer Center, Houston, TX USA
| | - Gad Getz
- grid.66859.340000 0004 0546 1623Broad Institute of MIT and Harvard, Cambridge, MA USA ,grid.32224.350000 0004 0386 9924Center for Cancer Research, Massachusetts General Hospital, Charlestown, MA USA ,grid.32224.350000 0004 0386 9924Department of Pathology, Massachusetts General Hospital, Boston, MA USA ,grid.38142.3c000000041936754XHarvard Medical School, Boston, MA USA
| | - Marcin Imielinski
- grid.5386.8000000041936877XWeill Cornell Medicine, New York, NY USA ,grid.429884.b0000 0004 1791 0895New York Genome Center, New York, NY USA
| | - Rameen Beroukhim
- grid.66859.340000 0004 0546 1623Broad Institute of MIT and Harvard, Cambridge, MA USA ,grid.65499.370000 0001 2106 9910Dana-Farber Cancer Institute, Boston, MA USA
| | - S. Cenk Sahinalp
- grid.412541.70000 0001 0684 7796Vancouver Prostate Centre, Vancouver, British Columbia Canada ,grid.411377.70000 0001 0790 959XIndiana University, Bloomington, IN USA
| | - Yuan Ji
- grid.240372.00000 0004 0400 4439NorthShore University HealthSystem, Evanston, IL USA ,grid.170205.10000 0004 1936 7822The University of Chicago, Chicago, IL USA
| | - Martin Peifer
- grid.6190.e0000 0000 8580 3777University of Cologne, Cologne, Germany
| | - Florian Markowetz
- grid.5335.00000000121885934Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, UK
| | - Ville Mustonen
- grid.7737.40000 0004 0410 2071University of Helsinki, Helsinki, Finland
| | - Ke Yuan
- grid.5335.00000000121885934Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, UK ,grid.8756.c0000 0001 2193 314XUniversity of Glasgow, Glasgow, UK
| | - Wenyi Wang
- grid.240145.60000 0001 2291 4776The University of Texas MD Anderson Cancer Center, Houston, TX USA
| | - Quaid D. Morris
- grid.17063.330000 0001 2157 2938University of Toronto, Toronto, Ontario Canada ,grid.494618.6Vector Institute, Toronto, Ontario Canada
| | | | - Paul T. Spellman
- grid.5288.70000 0000 9758 5690Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR USA
| | - David C. Wedge
- grid.4991.50000 0004 1936 8948Big Data Institute, University of Oxford, Oxford, UK ,grid.454382.c0000 0004 7871 7212Oxford NIHR Biomedical Research Centre, Oxford, UK
| | - Peter Van Loo
- The Francis Crick Institute, London, UK. .,University of Leuven, Leuven, Belgium.
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Calabrese C, Davidson NR, Demircioğlu D, Fonseca NA, He Y, Kahles A, Lehmann KV, Liu F, Shiraishi Y, Soulette CM, Urban L, Greger L, Li S, Liu D, Perry MD, Xiang Q, Zhang F, Zhang J, Bailey P, Erkek S, Hoadley KA, Hou Y, Huska MR, Kilpinen H, Korbel JO, Marin MG, Markowski J, Nandi T, Pan-Hammarström Q, Pedamallu CS, Siebert R, Stark SG, Su H, Tan P, Waszak SM, Yung C, Zhu S, Awadalla P, Creighton CJ, Meyerson M, Ouellette BFF, Wu K, Yang H, Brazma A, Brooks AN, Göke J, Rätsch G, Schwarz RF, Stegle O, Zhang Z, Wu K, Yang H, Fonseca NA, Kahles A, Lehmann KV, Urban L, Soulette CM, Shiraishi Y, Liu F, He Y, Demircioğlu D, Davidson NR, Calabrese C, Zhang J, Perry MD, Xiang Q, Greger L, Li S, Liu D, Stark SG, Zhang F, Amin SB, Bailey P, Chateigner A, Cortés-Ciriano I, Craft B, Erkek S, Frenkel-Morgenstern M, Goldman M, Hoadley KA, Hou Y, Huska MR, Khurana E, Kilpinen H, Korbel JO, Lamaze FC, Li C, Li X, Li X, Liu X, Marin MG, Markowski J, Nandi T, Nielsen MM, Ojesina AI, Pan-Hammarström Q, Park PJ, Pedamallu CS, Pedersen JS, Pederzoli P, Peifer M, Pennell NA, Perou CM, Perry MD, Petersen GM, Peto M, Petrelli N, Pedamallu CS, Petryszak R, Pfister SM, Phillips M, Pich O, Pickett HA, Pihl TD, Pillay N, Pinder S, Pinese M, Pinho AV, Pedersen JS, Pitkänen E, Pivot X, Piñeiro-Yáñez E, Planko L, Plass C, Polak P, Pons T, Popescu I, Potapova O, Prasad A, Siebert R, Preston SR, Prinz M, Pritchard AL, Prokopec SD, Provenzano E, Puente XS, Puig S, Puiggròs M, Pulido-Tamayo S, Pupo GM, Su H, Purdie CA, Quinn MC, Rabionet R, Rader JS, Radlwimmer B, Radovic P, Raeder B, Raine KM, Ramakrishna M, Ramakrishnan K, Tan P, Ramalingam S, Raphael BJ, Rathmell WK, Rausch T, Reifenberger G, Reimand J, Reis-Filho J, Reuter V, Reyes-Salazar I, Reyna MA, Teh BT, Reynolds SM, Rheinbay E, Riazalhosseini Y, Richardson AL, Richter J, Ringel M, Ringnér M, Rino Y, Rippe K, Roach J, Wang J, Roberts LR, Roberts ND, Roberts SA, Robertson AG, Robertson AJ, Rodriguez JB, Rodriguez-Martin B, Rodríguez-González FG, Roehrl MHA, Rohde M, Waszak SM, Rokutan H, Romieu G, Rooman I, Roques T, Rosebrock D, Rosenberg M, Rosenstiel PC, Rosenwald A, Rowe EW, Royo R, Xiong H, Rozen SG, Rubanova Y, Rubin MA, Rubio-Perez C, Rudneva VA, Rusev BC, Ruzzenente A, Rätsch G, Sabarinathan R, Sabelnykova VY, Yakneen S, Sadeghi S, Sahinalp SC, Saini N, Saito-Adachi M, Saksena G, Salcedo A, Salgado R, Salichos L, Sallari R, Saller C, Ye C, Salvia R, Sam M, Samra JS, Sanchez-Vega F, Sander C, Sanders G, Sarin R, Sarrafi I, Sasaki-Oku A, Sauer T, Yung C, Sauter G, Saw RPM, Scardoni M, Scarlett CJ, Scarpa A, Scelo G, Schadendorf D, Schein JE, Schilhabel MB, Schlesner M, Zhang X, Schlomm T, Schmidt HK, Schramm SJ, Schreiber S, Schultz N, Schumacher SE, Schwarz RF, Scolyer RA, Scott D, Scully R, Zheng L, Seethala R, Segre AV, Selander I, Semple CA, Senbabaoglu Y, Sengupta S, Sereni E, Serra S, Sgroi DC, Shackleton M, Zhu J, Shah NC, Shahabi S, Shang CA, Shang P, Shapira O, Shelton T, Shen C, Shen H, Shepherd R, Shi R, Zhu S, Shi Y, Shiah YJ, Shibata T, Shih J, Shimizu E, Shimizu K, Shin SJ, Shiraishi Y, Shmaya T, Shmulevich I, Awadalla P, Shorser SI, Short C, Shrestha R, Shringarpure SS, Shriver C, Shuai S, Sidiropoulos N, Siebert R, Sieuwerts AM, Sieverling L, Creighton CJ, Signoretti S, Sikora KO, Simbolo M, Simon R, Simons JV, Simpson JT, Simpson PT, Singer S, Sinnott-Armstrong N, Sipahimalani P, Meyerson M, Skelly TJ, Smid M, Smith J, Smith-McCune K, Socci ND, Sofia HJ, Soloway MG, Song L, Sood AK, Sothi S, Ouellette BFF, Sotiriou C, Soulette CM, Span PN, Spellman PT, Sperandio N, Spillane AJ, Spiro O, Spring J, Staaf J, Stadler PF, Wu K, Staib P, Stark SG, Stebbings L, Stefánsson ÓA, Stegle O, Stein LD, Stenhouse A, Stewart C, Stilgenbauer S, Stobbe MD, Yang H, Stratton MR, Stretch JR, Struck AJ, Stuart JM, Stunnenberg HG, Su H, Su X, Sun RX, Sungalee S, Susak H, Göke J, Suzuki A, Sweep F, Szczepanowski M, Sültmann H, Yugawa T, Tam A, Tamborero D, Tan BKT, Tan D, Tan P, Schwarz RF, Tanaka H, Taniguchi H, Tanskanen TJ, Tarabichi M, Tarnuzzer R, Tarpey P, Taschuk ML, Tatsuno K, Tavaré S, Taylor DF, Stegle O, Taylor-Weiner A, Teague JW, Teh BT, Tembe V, Temes J, Thai K, Thayer SP, Thiessen N, Thomas G, Thomas S, Zhang Z, Thompson A, Thompson AM, Thompson JFF, Thompson RH, Thorne H, Thorne LB, Thorogood A, Tiao G, Tijanic N, Timms LE, Brazma A, Tirabosco R, Tojo M, Tommasi S, Toon CW, Toprak UH, Torrents D, Tortora G, Tost J, Totoki Y, Townend D, Rätsch G, Traficante N, Treilleux I, Trotta JR, Trümper LHP, Tsao M, Tsunoda T, Tubio JMC, Tucker O, Turkington R, Turner DJ, Brooks AN, Tutt A, Ueno M, Ueno NT, Umbricht C, Umer HM, Underwood TJ, Urban L, Urushidate T, Ushiku T, Uusküla-Reimand L, Brazma A, Valencia A, Van Den Berg DJ, Van Laere S, Van Loo P, Van Meir EG, Van den Eynden GG, Van der Kwast T, Vasudev N, Vazquez M, Vedururu R, Brooks AN, Veluvolu U, Vembu S, Verbeke LPC, Vermeulen P, Verrill C, Viari A, Vicente D, Vicentini C, VijayRaghavan K, 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Yang Y, Yao X, Yaspo ML, Adams DJ, Yates L, Yau C, Ye C, Ye K, Yellapantula VD, Yoon CJ, Yoon SS, Yousif F, Yu J, Yu K, Agrawal N, Yu W, Yu Y, Yuan K, Yuan Y, Yuen D, Yung CK, Zaikova O, Zamora J, Zapatka M, Zenklusen JC, Ahn KS, Zenz T, Zeps N, Zhang CZ, Zhang F, Zhang H, Zhang H, Zhang H, Zhang J, Zhang J, Zhang J, Ahn SM, Zhang X, Zhang X, Zhang Y, Zhang Z, Zhao Z, Zheng L, Zheng X, Zhou W, Zhou Y, Zhu B, Aikata H, Zhu H, Zhu J, Zhu S, Zou L, Zou X, deFazio A, van As N, van Deurzen CHM, van de Vijver MJ, van’t Veer L, Akbani R, von Mering C, Akdemir KC, Al-Ahmadie H, Al-Sedairy ST, Al-Shahrour F, Alawi M, Albert M, Aldape K, Alexandrov LB, Ally A, Alsop K, Alvarez EG, Amary F, Amin SB, Aminou B, Ammerpohl O, Anderson MJ, Ang Y, Antonello D, Anur P, Aparicio S, Appelbaum EL, Arai Y, Aretz A, Arihiro K, Ariizumi SI, Armenia J, Arnould L, Asa S, Assenov Y, Atwal G, Aukema S, Auman JT, Aure MRR, Awadalla P, Aymerich M, Bader GD, Baez-Ortega A, Bailey MH, Bailey PJ, Balasundaram M, Balu S, Bandopadhayay P, Banks RE, Barbi S, Barbour AP, Barenboim J, Barnholtz-Sloan J, Barr H, Barrera E, Bartlett J, Bartolome J, Bassi C, Bathe OF, Baumhoer D, Bavi P, Baylin SB, Bazant W, Beardsmore D, Beck TA, Behjati S, Behren A, Niu B, Bell C, Beltran S, Benz C, Berchuck A, Bergmann AK, Bergstrom EN, Berman BP, Berney DM, Bernhart SH, Beroukhim R, Berrios M, Bersani S, Bertl J, Betancourt M, Bhandari V, Bhosle SG, Biankin AV, Bieg M, Bigner D, Binder H, Birney E, Birrer M, Biswas NK, Bjerkehagen B, Bodenheimer T, Boice L, Bonizzato G, De Bono JS, Boot A, Bootwalla MS, Borg A, Borkhardt A, Boroevich KA, Borozan I, Borst C, Bosenberg M, Bosio M, Boultwood J, Bourque G, Boutros PC, Bova GS, Bowen DT, Bowlby R, Bowtell DDL, Boyault S, Boyce R, Boyd J, Brazma A, Brennan P, Brewer DS, Brinkman AB, Bristow RG, Broaddus RR, Brock JE, Brock M, Broeks A, Brooks AN, Brooks D, Brors B, Brunak S, Bruxner TJC, Bruzos AL, Buchanan A, Buchhalter I, Buchholz C, Bullman S, Burke H, Burkhardt B, Burns KH, Busanovich J, Bustamante CD, Butler AP, Butte AJ, Byrne NJ, Børresen-Dale AL, Caesar-Johnson SJ, Cafferkey A, Cahill D, Calabrese C, Caldas C, Calvo F, Camacho N, Campbell PJ, Campo E, Cantù C, Cao S, Carey TE, Carlevaro-Fita J, Carlsen R, Cataldo I, Cazzola M, Cebon J, Cerfolio R, Chadwick DE, Chakravarty D, Chalmers D, Chan CWY, Chan K, Chan-Seng-Yue M, Chandan VS, Chang DK, Chanock SJ, Chantrill LA, Chateigner A, Chatterjee N, Chayama K, Chen HW, Chen J, Chen K, Chen Y, Chen Z, Cherniack AD, Chien J, Chiew YE, Chin SF, Cho J, Cho S, Choi JK, Choi W, Chomienne C, Chong Z, Choo SP, Chou A, Christ AN, Christie EL, Chuah E, Cibulskis C, Cibulskis K, Cingarlini S, Clapham P, Claviez A, Cleary S, Cloonan N, Cmero M, Collins CC, Connor AA, Cooke SL, Cooper CS, Cope L, Corbo V, Cordes MG, Cordner SM, Cortés-Ciriano I, Covington K, Cowin PA, Craft B, Craft D, Creighton CJ, Cun Y, Curley E, Cutcutache I, Czajka K, Czerniak B, Dagg RA, Danilova L, Davi MV, Davidson NR, Davies H, Davis IJ, 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Author Correction: Genomic basis for RNA alterations in cancer. Nature 2023; 614:E37. [PMID: 36697831 PMCID: PMC9931574 DOI: 10.1038/s41586-022-05596-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
| | - Claudia Calabrese
- grid.225360.00000 0000 9709 7726European Molecular Biology Laboratory, European Bioinformatics Institute, Hinxton, UK
| | - Natalie R. Davidson
- grid.5801.c0000 0001 2156 2780ETH Zurich, Zurich, Switzerland ,grid.51462.340000 0001 2171 9952Memorial Sloan Kettering Cancer Center, New York, NY USA ,grid.5386.8000000041936877XWeill Cornell Medical College, New York, NY USA ,grid.419765.80000 0001 2223 3006SIB Swiss Institute of Bioinformatics, Lausanne, Switzerland ,grid.412004.30000 0004 0478 9977University Hospital Zurich, Zurich, Switzerland
| | - Deniz Demircioğlu
- grid.4280.e0000 0001 2180 6431National University of Singapore, Singapore, Singapore ,grid.418377.e0000 0004 0620 715XGenome Institute of Singapore, Singapore, Singapore
| | - Nuno A. Fonseca
- grid.225360.00000 0000 9709 7726European Molecular Biology Laboratory, European Bioinformatics Institute, Hinxton, UK
| | - Yao He
- grid.11135.370000 0001 2256 9319Peking University, Beijing, China
| | - André Kahles
- grid.5801.c0000 0001 2156 2780ETH Zurich, Zurich, Switzerland ,grid.51462.340000 0001 2171 9952Memorial Sloan Kettering Cancer Center, New York, NY USA ,grid.419765.80000 0001 2223 3006SIB Swiss Institute of Bioinformatics, Lausanne, Switzerland ,grid.412004.30000 0004 0478 9977University Hospital Zurich, Zurich, Switzerland
| | - Kjong-Van Lehmann
- grid.5801.c0000 0001 2156 2780ETH Zurich, Zurich, Switzerland ,grid.51462.340000 0001 2171 9952Memorial Sloan Kettering Cancer Center, New York, NY USA ,grid.419765.80000 0001 2223 3006SIB Swiss Institute of Bioinformatics, Lausanne, Switzerland ,grid.412004.30000 0004 0478 9977University Hospital Zurich, Zurich, Switzerland
| | - Fenglin Liu
- grid.11135.370000 0001 2256 9319Peking University, Beijing, China
| | - Yuichi Shiraishi
- grid.26999.3d0000 0001 2151 536XThe University of Tokyo, Minato-ku, Japan
| | - Cameron M. Soulette
- grid.205975.c0000 0001 0740 6917University of California, Santa Cruz, Santa Cruz, CA USA
| | - Lara Urban
- grid.225360.00000 0000 9709 7726European Molecular Biology Laboratory, European Bioinformatics Institute, Hinxton, UK
| | - Liliana Greger
- grid.225360.00000 0000 9709 7726European Molecular Biology Laboratory, European Bioinformatics Institute, Hinxton, UK
| | - Siliang Li
- grid.21155.320000 0001 2034 1839BGI-Shenzhen, Shenzhen, China ,grid.507779.b0000 0004 4910 5858China National GeneBank-Shenzhen, Shenzhen, China
| | - Dongbing Liu
- grid.21155.320000 0001 2034 1839BGI-Shenzhen, Shenzhen, China ,grid.507779.b0000 0004 4910 5858China National GeneBank-Shenzhen, Shenzhen, China
| | - Marc D. Perry
- grid.17063.330000 0001 2157 2938Ontario Institute for Cancer Research, Toronto, Ontario, Canada ,grid.266102.10000 0001 2297 6811University of California, San Francisco, San Francisco, CA USA
| | - Qian Xiang
- grid.17063.330000 0001 2157 2938Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Fan Zhang
- grid.11135.370000 0001 2256 9319Peking University, Beijing, China
| | - Junjun Zhang
- grid.17063.330000 0001 2157 2938Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Peter Bailey
- grid.8756.c0000 0001 2193 314XUniversity of Glasgow, Glasgow, UK
| | - Serap Erkek
- grid.4709.a0000 0004 0495 846XEuropean Molecular Biology Laboratory, Genome Biology Unit, Heidelberg, Germany
| | - Katherine A. Hoadley
- grid.10698.360000000122483208The University of North Carolina at Chapel Hill, Chapel Hill, NC USA
| | - Yong Hou
- grid.21155.320000 0001 2034 1839BGI-Shenzhen, Shenzhen, China ,grid.507779.b0000 0004 4910 5858China National GeneBank-Shenzhen, Shenzhen, China
| | - Matthew R. Huska
- grid.419491.00000 0001 1014 0849Berlin Institute for Medical Systems Biology, Max Delbruck Center for Molecular Medicine, Berlin, Germany
| | - Helena Kilpinen
- grid.83440.3b0000000121901201University College London, London, UK
| | - Jan O. Korbel
- grid.4709.a0000 0004 0495 846XEuropean Molecular Biology Laboratory, Genome Biology Unit, Heidelberg, Germany
| | - Maximillian G. Marin
- grid.205975.c0000 0001 0740 6917University of California, Santa Cruz, Santa Cruz, CA USA
| | - Julia Markowski
- grid.419491.00000 0001 1014 0849Berlin Institute for Medical Systems Biology, Max Delbruck Center for Molecular Medicine, Berlin, Germany
| | - Tannistha Nandi
- grid.418377.e0000 0004 0620 715XGenome Institute of Singapore, Singapore, Singapore
| | - Qiang Pan-Hammarström
- grid.21155.320000 0001 2034 1839BGI-Shenzhen, Shenzhen, China ,grid.4714.60000 0004 1937 0626Karolinska Institutet, Stockholm, Sweden
| | - Chandra Sekhar Pedamallu
- grid.66859.340000 0004 0546 1623Broad Institute, Cambridge, MA USA ,grid.65499.370000 0001 2106 9910Dana-Farber Cancer Institute, Boston, MA USA ,grid.38142.3c000000041936754XHarvard Medical School, Boston, MA USA
| | - Reiner Siebert
- grid.410712.10000 0004 0473 882XUlm University and Ulm University Medical Center, Ulm, Germany
| | - Stefan G. Stark
- grid.5801.c0000 0001 2156 2780ETH Zurich, Zurich, Switzerland ,grid.51462.340000 0001 2171 9952Memorial Sloan Kettering Cancer Center, New York, NY USA ,grid.419765.80000 0001 2223 3006SIB Swiss Institute of Bioinformatics, Lausanne, Switzerland ,grid.412004.30000 0004 0478 9977University Hospital Zurich, Zurich, Switzerland
| | - Hong Su
- grid.21155.320000 0001 2034 1839BGI-Shenzhen, Shenzhen, China ,grid.507779.b0000 0004 4910 5858China National GeneBank-Shenzhen, Shenzhen, China
| | - Patrick Tan
- grid.418377.e0000 0004 0620 715XGenome Institute of Singapore, Singapore, Singapore ,grid.428397.30000 0004 0385 0924Duke-NUS Medical School, Singapore, Singapore
| | - Sebastian M. Waszak
- grid.4709.a0000 0004 0495 846XEuropean Molecular Biology Laboratory, Genome Biology Unit, Heidelberg, Germany
| | - Christina Yung
- grid.17063.330000 0001 2157 2938Ontario Institute for Cancer Research, Toronto, Ontario, Canada
| | - Shida Zhu
- grid.21155.320000 0001 2034 1839BGI-Shenzhen, Shenzhen, China ,grid.507779.b0000 0004 4910 5858China National GeneBank-Shenzhen, Shenzhen, China
| | - Philip Awadalla
- grid.17063.330000 0001 2157 2938Ontario Institute for Cancer Research, Toronto, Ontario, Canada ,grid.17063.330000 0001 2157 2938University of Toronto, Toronto, Ontario Canada
| | - Chad J. Creighton
- grid.39382.330000 0001 2160 926XBaylor College of Medicine, Houston, TX USA
| | - Matthew Meyerson
- grid.66859.340000 0004 0546 1623Broad Institute, Cambridge, MA USA ,grid.65499.370000 0001 2106 9910Dana-Farber Cancer Institute, Boston, MA USA ,grid.38142.3c000000041936754XHarvard Medical School, Boston, MA USA
| | | | - Kui Wu
- grid.21155.320000 0001 2034 1839BGI-Shenzhen, Shenzhen, China ,grid.507779.b0000 0004 4910 5858China National GeneBank-Shenzhen, Shenzhen, China
| | - Huanming Yang
- grid.21155.320000 0001 2034 1839BGI-Shenzhen, Shenzhen, China
| | | | - Alvis Brazma
- European Molecular Biology Laboratory, European Bioinformatics Institute, Hinxton, UK.
| | - Angela N. Brooks
- grid.205975.c0000 0001 0740 6917University of California, Santa Cruz, Santa Cruz, CA USA ,grid.66859.340000 0004 0546 1623Broad Institute, Cambridge, MA USA ,grid.65499.370000 0001 2106 9910Dana-Farber Cancer Institute, Boston, MA USA
| | - Jonathan Göke
- grid.418377.e0000 0004 0620 715XGenome Institute of Singapore, Singapore, Singapore ,grid.410724.40000 0004 0620 9745National Cancer Centre Singapore, Singapore, Singapore
| | - Gunnar Rätsch
- ETH Zurich, Zurich, Switzerland. .,Memorial Sloan Kettering Cancer Center, New York, NY, USA. .,Weill Cornell Medical College, New York, NY, USA. .,SIB Swiss Institute of Bioinformatics, Lausanne, Switzerland. .,University Hospital Zurich, Zurich, Switzerland.
| | - Roland F. Schwarz
- grid.225360.00000 0000 9709 7726European Molecular Biology Laboratory, European Bioinformatics Institute, Hinxton, UK ,grid.419491.00000 0001 1014 0849Berlin Institute for Medical Systems Biology, Max Delbruck Center for Molecular Medicine, Berlin, Germany ,grid.7497.d0000 0004 0492 0584German Cancer Consortium (DKTK), partner site Berlin, Germany ,grid.7497.d0000 0004 0492 0584German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Oliver Stegle
- grid.225360.00000 0000 9709 7726European Molecular Biology Laboratory, European Bioinformatics Institute, Hinxton, UK ,grid.4709.a0000 0004 0495 846XEuropean Molecular Biology Laboratory, Genome Biology Unit, Heidelberg, Germany ,grid.7497.d0000 0004 0492 0584German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Zemin Zhang
- grid.11135.370000 0001 2256 9319Peking University, Beijing, China
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Murugesan S, Senthilkumar E, Kumar K, Shah VM. Isolated bilateral lateral geniculate body necrosis following acute pancreatitis: A rare cause of bilateral loss of vision in a young female. J Postgrad Med 2023; 69:53-55. [PMID: 36453385 PMCID: PMC9997598 DOI: 10.4103/jpgm.jpgm_1134_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: 11/29/2022] Open
Abstract
Sudden bilateral visual loss because of bilateral lateral geniculate body (LGB) necrosis is a very rare entity. The mechanisms causing these isolated lesions have still not been fully understood. We report a case of sudden loss of vision in a 22-year-old female following an attack of acute pancreatitis, just after starting the paleo diet. Neuroimaging revealed bilateral LGB necrosis. Multidisciplinary approach was sought and she was subsequently managed successfully. On follow-up, her visual acuity showed improvement, and neuroimaging revealed resolution of hyperintensities in bilateral LGB with residual blooming suggestive of old hemorrhagic gliosis. The possible reasons for isolated lesions of the LGB are hemorrhagic infarction and osmotic demyelination. In the present case, we postulate a vascular pathology, possibly hypo-perfusion because of shock following acute pancreatitis.
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Affiliation(s)
- S Murugesan
- Department of Neuro-Ophthalmology, Aravind Eye Hospital and Post Graduate Institute of Ophthalmology, Kovai Medical Centre and Hospital, Coimbatore, Tamil Nadu, India
| | - E Senthilkumar
- Department of Neurology, Kovai Medical Centre and Hospital, Coimbatore, Tamil Nadu, India
| | - K Kumar
- Department of Neuro-Ophthalmology, Aravind Eye Hospital and Post Graduate Institute of Ophthalmology, Kovai Medical Centre and Hospital, Coimbatore, Tamil Nadu, India
| | - V M Shah
- Department of Neuro-Ophthalmology, Aravind Eye Hospital and Post Graduate Institute of Ophthalmology, Kovai Medical Centre and Hospital, Coimbatore, Tamil Nadu, India
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Belle R, Kamps JJAG, Poater J, Kumar K, Pieters BJGE, Salah E, Claridge TDW, Paton RS, Bickelhaupt FM, Kawamura A, Schofield CJ, Mecinović J. Reading and erasing of the phosphonium analogue of trimethyllysine by epigenetic proteins. Commun Chem 2022; 5:10.1038/s42004-022-00640-4. [PMID: 36071790 PMCID: PMC7613515 DOI: 10.1038/s42004-022-00640-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [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: 09/16/2021] [Accepted: 02/03/2022] [Indexed: 01/27/2023] Open
Abstract
N ε-Methylation of lysine residues in histones plays an essential role in the regulation of eukaryotic transcription. The 'highest' methylation mark, N ε-trimethyllysine, is specifically recognised by N ε-trimethyllysine binding 'reader' domains, and undergoes demethylation, as catalysed by 2-oxoglutarate dependent JmjC oxygenases. We report studies on the recognition of the closest positively charged N ε-trimethyllysine analogue, i.e. its trimethylphosphonium derivative (KPme3), by N ε-trimethyllysine histone binding proteins and Nε-trimethyllysine demethylases. Calorimetric and computational studies with histone binding proteins reveal that H3KP4me3 binds more tightly than the natural H3K4me3 substrate, though the relative differences in binding affinity vary. Studies with JmjC demethylases show that some, but not all, of them can accept the phosphonium analogue of their natural substrates and that the methylation state selectivity can be changed by substitution of nitrogen for phosphorus. The combined results reveal that very subtle changes, e.g. substitution of nitrogen for phosphorus, can substantially affect interactions between ligand and reader domains / demethylases, knowledge that we hope will inspire the development of highly selective small molecules modulating their activity.
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Affiliation(s)
- Roman Belle
- Department of Chemistry and the Ineos Oxford Institute for Antimicrobial Research, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA UK
- Chemistry—School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, NE1 7RU UK
| | - Jos J. A. G. Kamps
- Department of Chemistry and the Ineos Oxford Institute for Antimicrobial Research, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA UK
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | - Jordi Poater
- ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain
- Departament de Química Inorgànica i Orgànica & IQTCUB, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
| | - Kiran Kumar
- Department of Chemistry and the Ineos Oxford Institute for Antimicrobial Research, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA UK
| | - Bas J. G. E. Pieters
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | - Eidarus Salah
- Department of Chemistry and the Ineos Oxford Institute for Antimicrobial Research, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA UK
| | - Timothy D. W. Claridge
- Department of Chemistry and the Ineos Oxford Institute for Antimicrobial Research, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA UK
| | - Robert S. Paton
- Department of Chemistry and the Ineos Oxford Institute for Antimicrobial Research, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA UK
| | - F. Matthias Bickelhaupt
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
- Department of Theoretical Chemistry, Amsterdam Center for Multiscale Modeling, Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Akane Kawamura
- Department of Chemistry and the Ineos Oxford Institute for Antimicrobial Research, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA UK
- Chemistry—School of Natural and Environmental Sciences, Newcastle University, Newcastle upon Tyne, NE1 7RU UK
| | - Christopher J. Schofield
- Department of Chemistry and the Ineos Oxford Institute for Antimicrobial Research, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA UK
| | - Jasmin Mecinović
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230 Odense, Denmark
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Ranote S, Musioł M, Kowalczuk M, Joshi V, Chauhan GS, Kumar R, Chauhan S, Kumar K. Functionalized Moringa oleifera Gum as pH-Responsive Nanogel for Doxorubicin Delivery: Synthesis, Kinetic Modelling and In Vitro Cytotoxicity Study. Polymers (Basel) 2022; 14:polym14214697. [PMID: 36365689 PMCID: PMC9658875 DOI: 10.3390/polym14214697] [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: 10/04/2022] [Revised: 10/30/2022] [Accepted: 11/01/2022] [Indexed: 11/06/2022] Open
Abstract
Environment-responsive-cum-site-specific delivery of therapeutic drugs into tumor cells is a foremost challenge for chemotherapy. In the present work, Moringa oleifera gum-based pH-responsive nanogel (MOGN) was functionalized as a doxorubicin (DOX) carrier. It was synthesized via free radical polymerization through the γ-irradiation method using acrylamide and N,N'-MBA followed by hydrolysis, sonication, and ultracentrifugation. The swelling behavior of MOGN as a function of pH was assessed using a gravimetric method that revealed its superabsorbent nature (365.0 g/g). Furthermore, MOGN showed a very high loading efficiency (98.35 %L) of DOX by MOGN. In vitro release studies revealed that DOX release from DOX-loaded MOGN was 91.92% at pH 5.5 and 12.18% at 7.4 pH, thus favorable to the tumor environment. The drug release from nanogel followed Korsmeyer-Peppas model at pH 5.5 and 6.8 and the Higuchi model at pH 7.4. Later, the efficient DOX release at the tumor site was also investigated by cytotoxicity study using Rhabdomyosarcoma cells. Thus, the synthesized nanogel having high drug loading capacity and excellent pH-triggered disintegration and DOX release performance in a simulated tumor environment could be a promising candidate drug delivery system for the targeted and controlled release of anticancer drugs.
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Affiliation(s)
- Sunita Ranote
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34. M. Curie-Skłodowska St., 41-819 Zabrze, Poland
- Department of Chemistry, Hemvati Nandan Bahuguna Garhwal University, SRT Campus, Tehri Garhwal, Srinagar 249199, Uttarakhand, India
- Department of Chemistry, Himachal Pradesh University, Summer Hill, Shimla 171005, Himachal Pradesh, India
- Correspondence: (S.R.); (M.K.); Tel.: +48-734-801-150 (S.R.)
| | - Marta Musioł
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34. M. Curie-Skłodowska St., 41-819 Zabrze, Poland
| | - Marek Kowalczuk
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34. M. Curie-Skłodowska St., 41-819 Zabrze, Poland
- Correspondence: (S.R.); (M.K.); Tel.: +48-734-801-150 (S.R.)
| | - Veena Joshi
- Department of Chemistry, Hemvati Nandan Bahuguna Garhwal University, SRT Campus, Tehri Garhwal, Srinagar 249199, Uttarakhand, India
| | - Ghanshyam S. Chauhan
- Department of Chemistry, Himachal Pradesh University, Summer Hill, Shimla 171005, Himachal Pradesh, India
| | - Rakesh Kumar
- Department of Chemistry, Himachal Pradesh University, Summer Hill, Shimla 171005, Himachal Pradesh, India
| | - Sandeep Chauhan
- Department of Chemistry, Himachal Pradesh University, Summer Hill, Shimla 171005, Himachal Pradesh, India
| | - Kiran Kumar
- Department of Chemistry, Himachal Pradesh University, Summer Hill, Shimla 171005, Himachal Pradesh, India
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Reddy YM, Goddanti N, Kumar K, Suresh A, Muderla R, Shankar T, Gupta M, Sreenivas K, Darbha S. Facial Nerve Palsy as a Common Presentation during the Epidemic of Coronavirus Disease Associated Rhinocerebral Mucormycosis. Indian J Otolaryngol Head Neck Surg 2022; 74:3313-3320. [PMID: 36090296 PMCID: PMC9441131 DOI: 10.1007/s12070-022-03143-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 08/19/2022] [Indexed: 12/03/2022] Open
Abstract
Purpose The main purpose of this study is to highlight the involvement of the facial nerve as one of the presenting symptoms in patients suspected of coronavirus disease associated mucormycosis (CAM). Methods This is a retrospective observational study conducted at a tertiary care referral centre which included 300 patients with past history of being treated for coronavirus disease and who presented to our department with symptoms of invasive fungal sinusitis. All the patients were evaluated clinically and radiologically for presence of facial nerve palsy (FNP) in suspected cases of CAM. All the patients were managed with combined modality treatment with antifungal therapy and radical endoscopic debridement of the necrotic tissue and fungal debris. Results The data were analysed to assess the possible epidemiological factors linked to CAM. Diabetes mellitus was the most common associated factor identified for aggravating of CAM. FNP is also one of the common presentation seen among 53 patients with CAM. Conclusion FNP is an unusual but significant sign in presentation of mucormycosis. It could be easily misdiagnosed as cerebrovascular accident leading to delay in the treatment. During this era of Covid-19 pandemic where wearing of masks has become mandatory, there is a high probability of this finding to be missed. Thus, our study emphasises for thorough cranial nerve examination in all cases of CAM, for an early and an immediate intervention to prevent the spread of the disease and also to improve the overall general condition of the patient.
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Kumar K, Bamezai S, Sharma SB, Zhou S, Spector M, Obi AT. Unusual presentation of distal ICA aneurysm in relation to dental abscess. J Vasc Surg Cases Innov Tech 2022; 8:542-544. [PMID: 36081740 PMCID: PMC9445861 DOI: 10.1016/j.jvscit.2022.07.003] [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] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 07/08/2022] [Indexed: 11/18/2022] Open
Abstract
Mycotic extracranial carotid artery aneurysms are a rare vascular phenomenon with a number of implicated pathogens, most commonly Staphylococcus aureus and Salmonella. Presentation of a mycotic extracranial carotid artery aneurysm after dental abscess or procedure is similarly not frequently described in the literature. We present a unique case of a large, distal mycotic internal carotid artery aneurysm, which developed secondary to Haemophilus parainfluenzae infection and dental abscess.
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Affiliation(s)
- Kiran Kumar
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Sharika Bamezai
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Sriganesh B. Sharma
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI
| | - Shiwei Zhou
- Division of Infectious Diseases, Department of Internal Medicine, University of Michigan, Ann Arbor, MI
| | - Matthew Spector
- Department of Otolaryngology, University of Michigan, Ann Arbor, MI
| | - Andrea T. Obi
- Section of Vascular Surgery, Department of Surgery, University of Michigan, Ann Arbor, MI
- Correspondence: Andrea T. Obi, MD, University of Michigan, Vascular Surgery, 1500 East Medical Center Dr, SPC 5867, Ann Arbor, MI 48109-5867
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31
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Srinivasan S, Rai AK, Bandebuche AR, Bansal D, Ulhaque F, Kumar K. Parathyroid Adenoma with a Pathological Fracture: A Rare Case Report. J Orthop Case Rep 2022; 12:37-40. [PMID: 36873342 PMCID: PMC9983403 DOI: 10.13107/jocr.2022.v12.i09.3006] [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: 07/17/2022] [Revised: 07/30/2022] [Indexed: 01/07/2023] Open
Abstract
Introduction Primary hyperparathyroidism may mimic osteoporosis and lead to pathological fractures. Case Report We report a case of 35-year-old female who sustained left distal tibia-fibula fracture after a trivial fall, later diagnosed to have left inferior parathyroid adenoma. The fracture was managed conservatively and left inferior parathyroidectomy for the adenoma. At 4 years follow-up, there are no clinical or biochemical signs of recurrence. Conclusion Pathological fracture in a case of parathyroid adenoma is extremely rare and requires a multidisciplinary approach for optimal outcome. A combination of clinical, biological, radiological, and biochemical markers with a high index of suspicion in an isolated bone fracture is required to diagnose parathyroid adenoma.
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Affiliation(s)
- Smruti Srinivasan
- Department of Surgery, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra, India
| | - Abhishek Kumar Rai
- Department of Orthopaedics, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra, India
| | | | - Dixit Bansal
- Department of Orthopaedics, Government Medical College, Amritsar, India
| | - Furqan Ulhaque
- Department of Orthopaedics, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra, India
| | - Kiran Kumar
- Department of Orthopaedics, LTMGH and Sion Hospital, Mumbai, Maharashtra, India
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32
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Morthekai P, Tiwari P, Murari M, Singh P, Thakur B, Manoj M, Ali S, Singh V, Kumar K, Rai J, Dubey N, Srivastava P. Further investigations towards luminescence dating of diatoms. RADIAT MEAS 2022. [DOI: 10.1016/j.radmeas.2022.106803] [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: 11/30/2022]
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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, 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Carroll L, Goede A, Harbourne A, Lakhani A, Lami M, Larwood J, Martin J, Merchant J, Pattenden S, Pradhan A, Raafat N, Rothwell E, Shammoon Y, Sudarshan R, Vickers E, Wingfield L, Ashworth I, Azizi S, Bhate R, Chowdhury T, Christou A, Davies L, Dwaraknath M, Farah Y, Garner J, Gureviciute E, Hart E, Jain A, Javid S, Kankam HK, Kaur Toor P, Kaz R, Kermali M, Khan I, Mattson A, McManus A, Murphy M, Nair K, Ngemoh D, Norton E, Olabiran A, Parry L, Payne T, Pillai K, Price S, Punjabi K, Raghunathan A, Ramwell A, Raza M, Ritehnia J, Simpson G, Smith W, Sodeinde S, Studd L, Subramaniam M, Thomas J, Towey S, Tsang E, Tuteja D, Vasani J, Vio M, Badran A, Adams J, Anthony Wilkinson J, Asvandi S, Austin T, Bald A, Bix E, Carrick M, Chander B, Chowdhury S, Cooper Drake B, Crosbie S, D Portela S, Francis D, Gallagher C, Gillespie R, Gravett H, Gupta P, Ilyas C, James G, Johny J, Jones A, Kinder F, MacLeod C, Macrow C, Maqsood-Shah A, Mather J, McCann L, McMahon R, Mitham E, Mohamed M, Munton E, Nightingale K, O'Neill K, Onyemuchara I, Senior R, Shanahan A, Sherlock J, Spyridoulias A, Stavrou C, Stokes D, Tamang R, Taylor E, Trafford C, Uden C, Waddington C, Yassin D, Zaman M, Bangi S, Cheng T, Chew D, Hussain N, Imani-Masouleh S, Mahasivam G, McKnight G, Ng HL, Ota HC, Pasha T, Ravindran W, Shah K, Vishnu K S, Zaman S, Carr W, Cope S, Eagles EJ, Howarth-Maddison M, Li CY, Reed J, Ridge A, Stubbs T, Teasdaled D, Umar R, Worthington J, Dhebri A, Kalenderov R, Alattas A, Arain Z, Bhudia R, Chia D, Daniel S, Dar T, Garland H, Girish M, Hampson A, Kyriacou H, Lehovsky K, Mullins W, Omorphos N, Vasdev N, Venkatesh A, Waldock W, Bhandari A, Brown G, Choa G, Eichenauer CE, Ezennia K, Kidwai Z, Lloyd-Thomas A, Macaskill Stewart A, Massardi C, Sinclair E, Skajaa N, Smith M, Tan I, Afsheen N, Anuar A, Azam Z, Bhatia P, Davies-kelly N, Dickinson S, Elkawafi M, Ganapathy M, Gupta S, Khoury EG, Licudi D, Mehta V, Neequaye S, Nita G, Tay VL, Zhao S, Botsa E, Cuthbert H, Elliott J, Furlepa M, Lehmann J, Mangtani A, Narayan A, Nazarian S, Parmar C, Shah D, Shaw C, Zhao Z, Beck C, Caldwell S, Clements JM, French B, Kenny R, Kirk S, Lindsay J, McClung A, McLaughlin N, Watson S, Whiteside E, Alyacoubi S, Arumugam V, Beg R, Dawas K, Garg S, Lloyd ER, Mahfouz Y, Manobharath N, Moonesinghe R, Morka N, Patel K, Prashar J, Yip S, Adeeko ES, Ajekigbe F, Bhat A, Evans C, Farrugia A, Gurung C, Long T, Malik B, Manirajan S, Newport D, Rayer J, Ridha A, Ross E, Saran T, Sinker A, Waruingi D, Allen R, Al Sadek Y, Alves do Canto Brum H, Asharaf H, Ashman M, Balakumar V, Barrington J, Baskaran R, Berry A, Bhachoo H, Bilal A, Boaden L, Chia WL, Covell G, Crook D, Dadnam F, Davis L, De Berker H, Doyle C, Fox C, Gruffydd-Davies M, Hafouda Y, Hill A, Hubbard E, Hunter A, Inpadhas V, Jamshaid M, Jandu G, Jeyanthi M, Jones T, Kantor C, Kwak SY, Malik N, Matt R, McNulty P, Miles C, Mohomed A, Myat P, Niharika J, Nixon A, O'Reilly D, Parmar K, Pengelly S, Price L, Ramsden M, Turnor R, Wales E, Waring H, Wu M, Yang T, Ye TTS, Zander A, Zeicu C, Bellam S, Francombe J, Kawamoto N, Rahman MR, Sathyanarayana A, Tang HT, Cheung J, Hollingshead J, Page V, Sugarman J, Wong E, Chiong J, Fung E, Kan SY, Kiang J, Kok J, Krahelski O, Liew MY, Lyell B, Sharif Z, Speake D, Alim L, Amakye NY, Chandrasekaran J, Chandratreya N, Drake J, Owoso T, Thu YM, Abou El Ela Bourquin B, Alberts J, Chapman D, Rehnnuma N, Ainsworth K, Carpenter H, Emmanuel T, Fisher T, Gabrel M, Guan Z, Hollows S, Hotouras A, Ip Fung Chun N, Jaffer S, Kallikas G, Kennedy N, Lewinsohn B, Liu FY, Mohammed S, Rutherfurd A, Situ T, Stammer A, Taylor F, Thin N, Urgesi E, Zhang N, Ahmad MA, Bishop A, Bowes A, Dixit A, Glasson R, Hatta S, Hatt K, Larcombe S, Preece J, Riordan E, Fegredo D, Haq MZ, Li C, McCann G, Stewart D, Baraza W, Bhullar D, Burt G, Coyle J, Deans J, Devine A, Hird R, Ikotun O, Manchip G, Ross C, Storey L, Tan WWL, Tse C, Warner C, Whitehead M, Wu F, Court EL, Crisp E, Huttman M, Mayes F, Robertson H, Rosen H, Sandberg C, Smith H, Al Bakry M, Ashwell W, Bajaj S, Bandyopadhyay D, Browlee O, Burway S, Chand CP, Elsayeh K, Elsharkawi A, Evans E, Ferrin S, Fort-Schaale A, Iacob M, I K, Impelliziere Licastro G, Mankoo AS, Olaniyan T, Otun J, Pereira R, Reddy R, Saeed D, Simmonds O, Singhal G, Tron K, Wickstone C, Williams R, Bradshaw E, De Kock Jewell V, Houlden C, Knight C, Metezai H, Mirza-Davies A, Seymour Z, Spink D, Wischhusen S. 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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Kumar K, Teoh YY, Walsh LJ. Root canal cleaning in roots with complex canals using agitated irrigation fluids. AUST ENDOD J 2022; 49:56-65. [PMID: 35770921 DOI: 10.1111/aej.12646] [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: 11/14/2021] [Revised: 04/08/2022] [Accepted: 06/18/2022] [Indexed: 11/28/2022]
Abstract
The internal topography of the root canal is complex, especially for the mesial root of the permanent first molar. In response to such challenges, enhanced irrigation protocols have been developed, using laser pulses to agitate fluids and enhance the removal of microbial deposits. The aim of this laboratory study was to assess the effectiveness of laser agitation of sodium hypochlorite in removing multispecies biofilms grown in the mesial root of the permanent first molars. The five agitation groups (N = 12 roots for each) were: 940 nm diode laser (superpulsed mode, 50 μs/pulses at 20 Hz using 20 mJ/pulse); 1064 nm Nd: YAG laser (200 μs/pulse at 20 Hz using 20 mJ/pulse); 2940 nm Er: YAG laser (50 μs/pulse at 15 Hz using a 400/14 conical tip in the SWEEPS protocol, with 20 mJ/pulse); passive ultrasonic agitation at 28 kHz (positive control); and irrigation with a 27-gauge side vented needle for 2 min per canal (negative control). Biofilm removal was assessed by confocal microscopic imaging of root slices at 1, 4 and 7 mm from the root apex. None of the tested methods were effective in completely eradicating biofilm from the most confined regions of the root canal system. The greatest challenge was cleaning the isthmus regions. There was a positive correlation between canal cleaning and isthmus cleaning, suggesting that increased effectiveness in cleaning root canal walls is associated with more effective isthmus cleaning. Wider and narrow isthmuses were cleaned better than long and narrow isthmuses.
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Affiliation(s)
- Kiran Kumar
- School of Dentistry, The University of Queensland, Herston, Queensland, Australia
| | - Yu-Yao Teoh
- School of Dentistry, The University of Queensland, Herston, Queensland, Australia
| | - Laurence J Walsh
- School of Dentistry, The University of Queensland, Herston, Queensland, Australia
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Dubois F, Shapira O, Greenwald N, Zack T, Wala J, Tsai J, Crane A, Baguette A, Hadjadj D, Harutyunyan A, Kumar K, Blattner-Johnson M, Vogelzang J, Sousa C, Kang KS, Sinai C, Wang D, Khadka P, Malkin H, Ho P, O'Rourke R, Zhang S, Gold R, Deng D, Serrano J, Snuderl M, Jones C, Wright K, Chi S, Grill J, Kleinman C, Goumnerova L, Jabado N, Jones D, Kieran M, Ligon K, Beroukhim R, Bandopadhayay P. HGG-60. Structural variants shape driver combinations and outcomes in pediatric high-grade glioma. Neuro Oncol 2022. [DOI: 10.1093/neuonc/noac079.275] [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] Open
Abstract
Abstract
Pediatric high-grade gliomas (pHGGs), encompassing hemispheric and diffuse midline gliomas (DMGs), remain a devastating disease. The last decade has revealed oncogenic drivers including single nucleotide variants (SNVs) in histones. However, the contribution of structural variants (SVs) to gliomagenesis has not been systematically explored due to limitations in early SV analysis approaches. Using SV algorithms, we recently created, we analyzed SVs in whole-genome sequences of 179 pHGGs including a novel cohort of treatment naïve samples–the largest WGS cohort assembled in adult or pediatric glioma. The most recurrent SVs targeted MYC isoforms and receptor tyrosine kinases, including a novel SV amplifying a MYC enhancer in the lncRNA CCDC26 in 12% of DMGs and revealing a more central role for MYC in these cancers than previously known. Applying de novo SV signature discovery, we identified five signatures including three (SVsig1-3) involving primarily simple SVs, and two (SVsig4-5) involving complex, clustered SVs. These SV signatures associated with genetic variants that differed from what was observed for SV signatures in other cancers, suggesting different links to underlying biology. Tumors with simple SV signatures were TP53 wild-type but were enriched with alterations in TP53 pathway members PPM1D and MDM4. Complex signatures were associated with direct aberrations in TP53, CDKN2A, and RB1 early in tumor evolution, and with extrachromosomal amplicons that likely occurred later. All pHGGs exhibited at least one simple SV signature but complex SV signatures were primarily restricted to subsets of H3.3K27M DMGs and hemispheric pHGGs. Importantly, DMGs with the complex SV signatures SVsig4-5 were associated with shorter overall survival independent of histone type and TP53 status. These data inform the role and impact of SVs in gliomagenesis and mechanisms that shape them.
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Affiliation(s)
- Frank Dubois
- Dana-Farber Cancer Institute , Boston, MA , USA
- Broad Institute , Boston, MA , USA
| | | | - Noah Greenwald
- Dana-Farber Cancer Institute , Boston, MA , USA
- Broad Institute , Boston, MA , USA
| | - Travis Zack
- Dana-Farber Cancer Institute , Boston, MA , USA
- Broad Institute , Boston, MA , USA
| | - Jeremiah Wala
- Dana-Farber Cancer Institute , Boston, MA , USA
- Broad Institute , Boston, MA , USA
| | - Jessica Tsai
- Dana-Farber/Boston Childrens Cancer and Blood Disorder Center , Boston, MA , USA
- Broad Institute , Boston, MA , USA
| | - Alexander Crane
- Dana-Farber Cancer Institute , Boston, MA , USA
- Broad Institute , Boston, MA , USA
| | | | | | | | | | - Mirjam Blattner-Johnson
- Hopp Children's Cancer Center Heidelberg (KiTZ); Pediatric Glioma Research Group, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ) , Heidelberg , Germany
| | | | | | | | | | - Dayle Wang
- Dana-Farber/Boston Childrens Cancer and Blood Disorder Center , Boston, MA , USA
| | - Prasidda Khadka
- Dana-Farber/Boston Childrens Cancer and Blood Disorder Center , Boston, MA , USA
- Broad Institute , Boston, MA , USA
| | | | - Patricia Ho
- Dana-Farber/Boston Childrens Cancer and Blood Disorder Center , Boston, MA , USA
- Broad Institute , Boston, MA , USA
| | - Ryan O'Rourke
- Dana-Farber/Boston Childrens Cancer and Blood Disorder Center , Boston, MA , USA
- Broad Institute , Boston, MA , USA
| | | | | | | | | | | | - Chris Jones
- Institute of Cancer Research , London , United Kingdom
| | - Karen Wright
- Dana-Farber/Boston Childrens Cancer and Blood Disorder Center , Boston, MA , USA
| | - Susan Chi
- Dana-Farber/Boston Childrens Cancer and Blood Disorder Center , Boston, MA , USA
| | - Jacques Grill
- Department of Pediatric and Adolescent Oncology and INSERM Unit 981, Gustave Roussy Institute and University of Paris Saclay , Villejuif , France
| | | | | | | | - David Jones
- Hopp Children's Cancer Center Heidelberg (KiTZ); Pediatric Glioma Research Group, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ) , Heidelberg , Germany
| | - Mark Kieran
- Dana-Farber/Boston Childrens Cancer and Blood Disorder Center , Boston, MA , USA
| | - Keith Ligon
- Dana-Farber Cancer Institute , Boston, MA , USA
- Broad Institute , Boston, MA , USA
| | - Rameen Beroukhim
- Dana-Farber Cancer Institute , Boston, MA , USA
- Broad Institute , Boston, MA , USA
| | - Pratiti Bandopadhayay
- Dana-Farber/Boston Childrens Cancer and Blood Disorder Center , Boston, MA , USA
- Broad Institute , Boston, MA , USA
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Adas M, Balachandran S, Norton S, Alveyn E, Russell M, Esterine T, Amlani-Hatcher P, Oyebanjo S, Lempp H, Ledingham J, Kumar K, Galloway J, Dubey S. POS0565 WORSE OUTCOMES LINKED TO ETHNICITY FOR EARLY INFLAMMATORY ARTHRITIS IN ENGLAND AND WALES: A NATIONAL COHORT STUDY. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.3959] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundPatients from ethnic minority backgrounds suffer considerable health inequality, with generally poorer health outcomes relative to the rest of the population.1 Further exploration of these differences is essential if we are to deliver the best care for all, and close the health gap for our patients.ObjectivesWe used the National Early Inflammatory Arthritis Audit (NEIAA) to assess variability in care quality and treatment outcomes across ethnicities for patients diagnosed with early inflammatory arthritis (EIA) in England and Wales.MethodsNEIAA is an observational cohort design. Data were from adult patients newly diagnosed with EIA, and seen by rheumatology in England and Wales between May 2018 and March 2020. Quality of care outcomes were assessed against six metrics contained within the National Institute for Health and Clinical Excellence (NICE) Quality Standard for Rheumatoid Arthritis.2 Clinical outcomes were measured using DAS28. Outcomes were compared between ethnic groups (White, Black, Asian, Mixed, Other), and adjusted for confounders (age, sex, smoking, comorbidity, seropositivity and disease severity at presentation) using Logistic regression models with multiple imputation for missing data.ResultsData for 35,807 eligible patients were analysed, of whom 30,643 (85.6%) were White and 5,164 (14.6%) were from ethnic minority backgrounds: 1,035 (2.8%) Black; 2,617 (7.3%) Asian; 238 (0.6%) Mixed; 1,274 (3.5%) Other. A total of 12,955 patients had confirmed EIA. Of those, 11,315 were White and 1,640 were from ethnic minority backgrounds: 314 (2.4%) Black; 927 (7.1%) Asian; 70 (0.5%) Mixed; 329 (2.5%) Other.Of 35,160 eligible patients who had data available, 14,803 (42.1%) were assessed by rheumatology within three weeks of referral. Of 9,900 EIA-eligible patients with data available, 5,642 (57.0%) started treatment within six weeks of referral. There were no significant differences in these outcomes by ethnicity. Ethnic minority patients did, however, have lower odds of disease remission at three months, relative to patients of White ethnicity (adjusted odds ratio 0.79; 95% CI: 0.65-0.96; p=0.02). This difference was due to lower odds of disease remission in Black and Asian patients, relative to White patients (Table 1). Ethnic minority patients were significantly less likely to receive initial treatment with methotrexate (0.68; 95% CI: 0.52-0.90; p=0.008) or with glucocorticoids (0.63, 95% CI: 0.49-0.80; p< 0.001).Table 1.Associations between ethnicity and disease remission at three months in EIA patientsModelOdds ratio95% CIP-valueUnadjustedAll ethnic minority0.76(0.62,0.93)0.01backgroundsBlack0.48(0.34,0.67)<0.001Asian0.74(0.59,0.93)0.01Mixed0.61(0.28,1.35)0.22Other1.09(0.71,1.68)0.67Age and sex-adjustedAll ethnic minority0.78(0.63,0.96)0.01backgroundsBlack0.49(0.35,0.69)0.00Asian0.75(0.60,0.94)0.01Mixed0.63(0.28,1.39)0.25Other1.11(0.71,1.71)0.63Fully-adjustedAll ethnic minority0.79(0.65,0.96)0.02backgroundsBlack0.57(0.41,0.79)0.001Asian0.76(0.62,0.93)0.009Mixed0.63(0.27,1.46)0.29Other1.04(0.71,1.54)0.80ConclusionThe results from this large cohort demonstrate that some minority ethnic groups are less likely to reach disease remission in the early months following an EIA diagnosis. Our results are not explained by delays in referral or treatment. Intitial treatment strategies varied across ethnic groups. These data highlight the need for investigation into the possible drivers of these inequitable outcomes and reappraisal of EIA management pathways.References[1]Greenberg JD, Spruill TM, Shan Y, Reed G, Kremer JM, Potter J, et al. Racial and ethnic disparities in disease activity in patients with rheumatoid arthritis. Am J Med. 2013;126(12):1089-98.[2]NICE quality standard for rheumatoid arthritis in over 16s. Nice.org.uk. 2013 [cited 25 January 2022]. Available from: https://www.nice.org.uk/guidance/qs33/documents/previous-version-of-quality-standard.Disclosure of InterestsMaryam Adas: None declared, Sathiyaa Balachandran: None declared, Sam Norton: None declared, Edward Alveyn: None declared, Mark Russell Speakers bureau: Has received speaker fees and educational grants from Janssen, Lilly, Menarini, Pfizer and UCB, Tom Esterine Speakers bureau: Patient review of P.I.S and consent form into lay language for KCL that was linked to Pharma company., Paul Amlani-Hatcher: None declared, Sarah Oyebanjo: None declared, Heidi Lempp: None declared, Jo Ledingham: None declared, Kanta Kumar Speakers bureau: Has received training form Pfizer and speaker fees 2021 from Janssen., Paid instructor for: Has received training form Pfizer, James Galloway Speakers bureau: Has received honoraria from AbbVie, Celgene, Chugai, Gilead, Janssen, Eli Lilly, Pfizer, Roche and UCB., Shirish Dubey: None declared.
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Laghari A, Shah H, Laghari R, Kumar K, Waqan A, Jumani A. A Review on Quantum Computing Trends & Future Perspectives. EAI Endorsed Transactions on Cloud Systems 2022. [DOI: 10.4108/eai.17-5-2022.173979] [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: 11/05/2022] Open
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Kumar K, Pande BP. Air pollution prediction with machine learning: a case study of Indian cities. Int J Environ Sci Technol (Tehran) 2022; 20:5333-5348. [PMID: 35603096 PMCID: PMC9107909 DOI: 10.1007/s13762-022-04241-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 02/17/2022] [Accepted: 04/19/2022] [Indexed: 05/06/2023]
Abstract
The survival of mankind cannot be imagined without air. Consistent developments in almost all realms of modern human society affected the health of the air adversely. Daily industrial, transport, and domestic activities are stirring hazardous pollutants in our environment. Monitoring and predicting air quality have become essentially important in this era, especially in developing countries like India. In contrast to the traditional methods, the prediction technologies based on machine learning techniques are proved to be the most efficient tools to study such modern hazards. The present work investigates six years of air pollution data from 23 Indian cities for air quality analysis and prediction. The dataset is well preprocessed and key features are selected through the correlation analysis. An exploratory data analysis is exercised to develop insights into various hidden patterns in the dataset and pollutants directly affecting the air quality index are identified. A significant fall in almost all pollutants is observed in the pandemic year, 2020. The data imbalance problem is solved with a resampling technique and five machine learning models are employed to predict air quality. The results of these models are compared with the standard metrics. The Gaussian Naive Bayes model achieves the highest accuracy while the Support Vector Machine model exhibits the lowest accuracy. The performances of these models are evaluated and compared through established performance parameters. The XGBoost model performed the best among the other models and gets the highest linearity between the predicted and actual data.
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Affiliation(s)
- K. Kumar
- Sikh National College, Qadian, Guru Nanak Dev University, Amritsar, Punjab India
| | - B. P. Pande
- Department of Computer Applications, LSM, Government PG College, Pithoragarh, Uttarakhand India
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Abstract
In India, the ambient air quality has been degrading from past few decades especially in urban areas. Vehicular emissions are amongst one of the major reasons for the deterioration of ambient air quality in such areas. This article is an effort to review the vehicular emission standards of the major countries (USA, Europe, Japan and Australia) and compare with Indian emission standards. However, there exists several differences in present emission standards followed by different countries. For instance, emission standards in USA are fuel neutral, while no separate weight categorization exists among light-duty vehicles (LDVs). In Europe, Japan, Australia and India, separate weight categorization and emission limits for both petrol and diesel vehicles are provided. It was observed that different driving test cycles used by different countries are the reasons for numerical differences in vehicular emission standards. To rectify this, a worldwide harmonized test cycle (WHTC) is introduced by United Nations Economic Committee for Europe (UNECE) that would represent real-world driving and verifies that the statutory emission limits are not exceeded during actual driving. Countries like Japan and Europe have already been following the WHTC, while some other countries may introduce the same in near future. Yet the real-world emissions across the world keeps on diverging. In such situation, harmonization of vehicle emission standards worldwide is a bit challenging, based on dynamics of road conditions, driving patterns, environmental conditions, etc. Thus, more concerted research is needed for evolution of a common universal emission standards implementable worldwide so that the uniformity in information and policies available to the common public could be maintained.
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Affiliation(s)
- Shweta Singh
- CSIR-National Physical Laboratory, Dr. K.S. Krishnan Marg, New Delhi, 110012 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - Monika J. Kulshrestha
- CSIR-National Physical Laboratory, Dr. K.S. Krishnan Marg, New Delhi, 110012 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - Nisha Rani
- CSIR-National Physical Laboratory, Dr. K.S. Krishnan Marg, New Delhi, 110012 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - K. Kumar
- CSIR-National Physical Laboratory, Dr. K.S. Krishnan Marg, New Delhi, 110012 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - C. Sharma
- CSIR-National Physical Laboratory, Dr. K.S. Krishnan Marg, New Delhi, 110012 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - D. K. Aswal
- Bhabha Atomic Research Centre, Trombay, Mumbai, 400085 India
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Scott R, Mora M, Saloio J, Cushman J, Sakurada R, Kumar K, Lipkens B, Tostoes R. Process Development and Manufacturing: THE EKKO™ AND EKKO™ SELECT: ACOUSTIC-BASED CLOSED AND AUTOMATED SYSTEMS FOR CELL AND GENE THERAPY CGMP MANUFACTURING. Cytotherapy 2022. [DOI: 10.1016/s1465-3249(22)00474-1] [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: 11/26/2022]
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Dutra SVO, Kumar K, Clochesy JM. Instruction strategies for drug calculation skills: A systematic review of the literature. Nurse Educ Today 2022; 111:105299. [PMID: 35228018 DOI: 10.1016/j.nedt.2022.105299] [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: 07/15/2021] [Revised: 01/28/2022] [Accepted: 02/04/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Medication errors and unsafe medication practices are a leading cause of injury and avoidable harm worldwide. OBJECTIVES The aim of this review was to (i) explore and identify evidence-based strategies to teach medication calculation skills by determining the most common errors and assess the quality, level, and role of the evidence, and (ii) describe instruction strategies for drug calculation skills development or improvement based on seven research-based principles for smart teaching. DESIGN Systematic review. DATA SOURCES CINAHL, PubMed, and PsycINFO. REVIEW METHODS The review followed Whittemore and Knafl's framework steps with an assessment of the studies reporting using PRISMA, STROBE, COREQ and categorizing their methods by evidence hierarchy and roles. Two authors independently assessed eligibility and extracted data. RESULTS From the total 1793 articles, 51 studies met the eligibility criteria. The studies included 9210 nursing students/nurses and mainly used a quantitative approach (67.5%), followed by qualitative (22.5%) and mixed methods (10.0%), with the students/nurses doing arithmetic and conceptual mistakes. The findings presented were low levels of evidence III (23.5%) and V (41.2%), quality Level B (82.4%), and 47.1% focused on choosing the appropriate teaching and intervention approaches (role of the evidence). The teaching strategies addressed multiple smart teaching principles, but mainly prior knowledge (principle 1, 39.2%). The least used strategies were those addressing the levers that influence motivation and behaviors such as value, expectations, and environment climate (principle 3, 13.7%). Two studies addressed five principles simultaneously. CONCLUSIONS Regarding teaching strategies, the most recurring strategies were early diagnostic assessments on knowledge, anxiety and/or self-confidence, considering knowledge organization with scaffolding complex tasks, being explicit about objectives and expectations, and usage of e-learning. However, e-learning was mainly used after 2018. Considering the low levels and quality of evidence, we recommend higher levels of research design for future research. Randomized Controlled Trials could be conducted when randomizing teaching methods per semester or questions embedded in software. Web-base software could be used to support teaching and research approaches.
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Affiliation(s)
| | - K Kumar
- Clemson University, School of Computing, Clemson, SC, USA; Medical University of South Carolina, Charleston, SC, USA
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Kolaitis N, Chen H, Calabrese D, Kumar K, Obata J, Bach C, Golden J, Simon M, Kukreja J, Hays S, Leard L, Singer J, De Marco T. The Lung Allocation Score Remains Inequitable for Patients with PAH, Even After the 2015 Revision. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.339] [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: 11/27/2022] Open
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Horwitz SM, Ansell S, Ai WZ, Barnes J, Barta SK, Brammer J, Clemens MW, Dogan A, Foss F, Ghione P, Goodman AM, Guitart J, Halwani A, Haverkos BM, Hoppe RT, Jacobsen E, Jagadeesh D, Jones A, Kallam A, Kim YH, Kumar K, Mehta-Shah N, Olsen EA, Rajguru SA, Rozati S, Said J, Shaver A, Shea L, Shinohara MM, Sokol L, Torres-Cabala C, Wilcox R, Wu P, Zain J, Dwyer M, Sundar H. T-Cell Lymphomas, Version 2.2022, NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw 2022; 20:285-308. [PMID: 35276674 DOI: 10.6004/jnccn.2022.0015] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Peripheral T-cell lymphomas (PTCLs) are a heterogeneous group of lymphoproliferative disorders arising from mature T cells, accounting for about 10% of non-Hodgkin lymphomas. PTCL-not otherwise specified is the most common subtype, followed by angioimmunoblastic T-cell lymphoma, anaplastic large cell lymphoma, anaplastic lymphoma kinase-positive, anaplastic large cell lymphoma, anaplastic lymphoma kinase-negative, and enteropathy-associated T-cell lymphoma. This discussion section focuses on the diagnosis and treatment of PTCLs as outlined in the NCCN Guidelines for T-Cell Lymphomas.
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Affiliation(s)
| | | | - Weiyun Z Ai
- 3UCSF Helen Diller Family Comprehensive Cancer Center
| | | | - Stefan K Barta
- 5Abramson Cancer Center at the University of Pennsylvania
| | - Jonathan Brammer
- 6The Ohio State University Comprehensive Cancer Center - James Cancer Hospital and Solove Research Institute
| | | | | | | | | | | | - Joan Guitart
- 11Robert H. Lurie Comprehensive Cancer Center of Northwestern University
| | - Ahmad Halwani
- 12Huntsman Cancer Institute at the University of Utah
| | | | | | | | - Deepa Jagadeesh
- 16Case Comprehensive Cancer Center/University Hospitals Seidman Cancer Center and Cleveland Clinic Taussig Cancer Institute
| | - Allison Jones
- 17St. Jude Children's Research Hospital/The University of Tennessee Health Science Center
| | | | | | - Kiran Kumar
- 19UT Southwestern Simmons Comprehensive Cancer Center
| | - Neha Mehta-Shah
- 20Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine
| | | | | | - Sima Rozati
- 23The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
| | | | | | | | - Michi M Shinohara
- 27Fred Hutchinson Cancer Research Center/Seattle Cancer Care Alliance
| | | | | | - Ryan Wilcox
- 29University of Michigan Rogel Cancer Center
| | - Peggy Wu
- 30UC Davis Comprehensive Cancer Center
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Bhat A, Anehosur V, Kumar N, Dipali VM, Kumar K. Phosphaturic Mesenchymal Tumor in the Maxillofacial Region: A Diagnostic Dilemma. J Maxillofac Oral Surg 2022; 21:88-91. [PMID: 35400904 PMCID: PMC8934798 DOI: 10.1007/s12663-020-01496-8] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 12/19/2020] [Indexed: 11/30/2022] Open
Abstract
Oncogenic osteomalacia is a rare paraneoplastic syndrome and is associated with the presence of phosphaturic mesenchymal tumor (PMT) which results in renal phosphate wasting with hypophosphatemia. In total, 95% of cases reported in upper and lower extremities and in head and neck are a rare site for these tumors. Besides osteomalacia, the clinical presentation includes bone pain and multiple bone fractures. Only fewer cases of PMT are reported in the oral cavity. The presentation of this rare case in a young patient was palatal swelling mimicking like an abscess which was clinically and by advanced imaging evaluated and histopathological findings confirmed the rare presentation. Following the surgical excision, the serum level of FGF23 rapidly decreased, hypophosphatemia improved, and the clinical symptoms greatly improved. The result suggests that the overexpressed FGF23 primary tumor in the palate was the cause of osteomalacia which is a rare entity.
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Affiliation(s)
- Adhithi Bhat
- HBTH Trauma Care Centre, Jogeshwari(E), Mumbai, India
| | - Venkatesh Anehosur
- Department of Oral and Maxillofacial Surgery, SDM Craniofacial Surgery and Research Centre, SDM College of Dental Sciences and Hospital, Shri Dharmasthala Manjunatheshwar University, Dharwad, Karnataka 580009 India
| | - Niranjan Kumar
- SDM College of Medical Sciences and Hospital, Shri Dharmasthala Manjunatheshwar University, Sattur, Dharwad, Karnataka 580009 India
| | - Vinay M. Dipali
- Consultant Endocrinologist and Diabetologist, SDM College of Medical Sciences and Hospital, Shri Dharmasthala Manjunatheshwar University, Sattur, Dharwad, Karnataka 580009 India
| | - Kiran Kumar
- Department of Oral Pathology, SDM College of Dental Sciences and Hospital, Shri Dharmasthala Manjunatheshwar University, Dharwad, Karnataka 580009 India
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Kumar K, Sebastiao M, Arnold AA, Bourgault S, Warschawski DE, Marcotte I. IN SITU SOLID-STATE NMR STUDY OF ANTIMICROBIAL PEPTIDE INTERACTIONs WITH ERYTHROCYTE MEMBRANES. Biophys J 2022; 121:1512-1524. [PMID: 35278426 PMCID: PMC9072582 DOI: 10.1016/j.bpj.2022.03.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/01/2022] [Accepted: 03/07/2022] [Indexed: 11/02/2022] Open
Abstract
Antimicrobial peptides are promising therapeutic agents to mitigate the global rise of antibiotic resistance. They generally act by perturbing the bacterial cell membrane and are thus less likely to induce resistance. Because they are membrane-active molecules, it is critical to verify and understand their potential action toward eukaryotic cells to help design effective and safe drugs. In this work, we studied the interaction of two antimicrobial peptides, aurein 1.2 and caerin 1.1, with red blood cell (RBC) membranes using in situ 31P and 2H solid-state NMR (SS-NMR). We established a protocol to integrate up to 25% of deuterated fatty acids in the membranes of ghosts, which are obtained when hemoglobin is removed from RBCs. Fatty acid incorporation and the integrity of the lipid bilayer were confirmed by SS-NMR and fluorescence confocal microscopy. Leakage assays were performed to assess the lytic power of the antimicrobial peptides. The in situ perturbation of the ghost membranes by aurein 1.2 and caerin 1.1 revealed by 31P and 2H SS-NMR is consistent with membrane perturbation through a carpet mechanism for aurein 1.2, whereas caerin 1.1 acts on RBCs via pore formation. These results are compatible with fluorescence microscopy images of the ghosts. The peptides interact with eukaryotic membranes following similar mechanisms that take place in bacteria, highlighting the importance of hydrophobicity when determining such interactions. Our work bridges model membranes and in vitro studies and provides an analytical toolbox to assess drug toxicity toward eukaryotic cells.
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Dhivya S, Vasanthakumari A, Selvabalaji A, Archana SP, Anagha C, Kumar K. Comparative Evaluation of Microleakage of Three Different Restorative Materials (Cention N, Zirconomer Improved and Glass Hybrid Restorative System) in Class V Cavity Restoration Using Stereomicroscope: In vitro Study. JPRI 2022. [DOI: 10.9734/jpri/2022/v34i12a35549] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Aim and Objective: Microleakage is the most important factor responsible for the destruction of restoration margins. The aim of this study was to compare and evaluate the microleakage of three different restorative materials namely glass hybrid restorative system, zirconomer improved and Cention N under stereomicroscope.
Materials and Methods: In this in-vitro experimental study, 45 Class V cavities were prepared on the buccal surface of maxillary premolars. The prepared cavities were divided into three groups for restoration with Cention N(group I), Zirconomer Improved(group II), Equiaforte (group III). All the samples were thermocycled for 500 cycles between 5-55°C initially and then immersed in 0.5% methylene blue for 24 hours before sectioning. All the sectioned samples were observed for microleakage under a stereomicroscope.
Results: Data was analyzed using one way ANOVA test for comparison between three groups and the result revealed statistically significant difference between the groups(p<0.05). Post hoc Tukey test was used for intergroup comparison and it was observed that both Cention and Equiaforte are inferior to Zirconomer improved in terms of microleakage (p<0.05).
Conclusion: Zirconomer improved exhibited lower microleakage when compared to Cention N and Equiaforte cements.
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Kumar K, Rajathi S, Charles Vincent V, Sangeetha R, Bakiyaraj G, Kirubavathi K, Manivannan D, Selvaraju K, Vinitha G. Crystal growth, physico-chemical and quantum chemical investigations on Butyl para-hydroxybenzoate single crystals for optical applications. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131739] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Kumar K, Oli A, Hallikeri K, Shilpasree AS, Goni M. An optimized protocol for total RNA isolation from archived formalin-fixed paraffin-embedded tissues to identify the long non-coding RNA in oral squamous cell carcinomas. MethodsX 2022; 9:101602. [PMID: 34976751 PMCID: PMC8683714 DOI: 10.1016/j.mex.2021.101602] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [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: 08/17/2021] [Accepted: 12/07/2021] [Indexed: 11/17/2022] Open
Abstract
Approximately 93% of the human genome is translated into RNAs, of which only 2% code for proteins and the rest 98% are noncoding RNAs. Long non-coding RNAs (lncRNAs) are a class of non-coding RNAs of > 200 nucleotides length that are emerging as novel players in the field of cancer diagnostics or prognostics. Recently, lncRNAs are known to be associated with oral squamous cell carcinomas (OSCC). The demonstration of stable lncRNA has been a challenge in formalin-fixed paraffin-embedded tissues (FFPE). The survivability and expression level of lncRNA in FFPE tissues compared with fresh tissues is not well documented in the literature. Hence, we designed the current pilot study with the main aim to optimize modified TRI (Total RNA isolation) reagent RNA isolation protocol to identify the lncRNA expression in archived FFPE tissues of OSCC in comparison to the standard RNA isolation kit method. The findings of our study demonstrated that the RNA quantity and quality were comparatively better with the optimized TRI reagent modified protocol than the standard RNA isolation kit method. Furthermore, ct (cycle threshold) values after reverse-transcription and qRT-PCR (Quantitative Real time PCR) were comparable and almost equal in both the methods for normal mucosa (control) and OSCC samples.
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Affiliation(s)
- Kiran Kumar
- Department of Oral and Maxillofacial Pathology, SDM College of Dental Sciences and Hospital, (A Constituent Unit of Shri Dharmasthala Manjunatheshwara University), Dharwad, Karnataka 580009, India
| | - Ajaykumar Oli
- Department of Biomedical Science, SDM Research Institute for Biomedical Sciences, (A Constituent Unit of Shri Dharmasthala Manjunatheshwara University), Dharwad, Karnataka 580009, India
| | - Kaveri Hallikeri
- Department of Oral and Maxillofacial Pathology, SDM College of Dental Sciences and Hospital, (A Constituent Unit of Shri Dharmasthala Manjunatheshwara University), Dharwad, Karnataka 580009, India
| | - A S Shilpasree
- Department of Biochemistry, SDM College of Medical Sciences and Hospital, (A Constituent Unit of Shri Dharmasthala Manjunatheshwara University), Dharwad, Karnataka 580009, India
- Corresponding author.
| | - Mallikarjun Goni
- Department of Biomedical Science, SDM Research Institute for Biomedical Sciences, (A Constituent Unit of Shri Dharmasthala Manjunatheshwara University), Dharwad, Karnataka 580009, India
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Shwetabh K, Maurya SK, Banerjee A, Poddar R, Kumar K. Synthesis of NaYF 4:Ho 3+/Yb 3+ colloidal upconversion phosphor and its application for OCT-based imaging, temperature sensing, fingerprinting and security ink. NEW J CHEM 2022. [DOI: 10.1039/d2nj03878a] [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: 11/09/2022]
Abstract
In this work, an NaYF4:Ho3+/Yb3+ upconversion phosphor in colloidal form was synthesized and then its suitability for image contrast enhancement in optical coherence tomography (OCT) and photothermal (PT) OCT imaging was analysed.
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Affiliation(s)
- Kumar Shwetabh
- Optical Materials and Bio-imaging Research Laboratory, Department of Physics, Indian Institute of Technology (Indian School of Mines), Dhanbad-826004, India
| | - Sachin K. Maurya
- Optical Materials and Bio-imaging Research Laboratory, Department of Physics, Indian Institute of Technology (Indian School of Mines), Dhanbad-826004, India
| | - Abhishek Banerjee
- Biophotonics Lab, Department of Bioengineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand-835215, India
| | - Raju Poddar
- Biophotonics Lab, Department of Bioengineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand-835215, India
| | - K. Kumar
- Optical Materials and Bio-imaging Research Laboratory, Department of Physics, Indian Institute of Technology (Indian School of Mines), Dhanbad-826004, India
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Mahalingam S, Rajendran G, Balaraman N, Kumar K, Rajendran A, Nathan B, Ayyan M, Balassoundaram V, Gara M, Kumar P. Stanford - A Aortic Dissection Presenting as a Triple Mimic and Role of Point of Care Ultrasound in Deciphering It. J Emerg Trauma Shock 2021; 14:187-189. [PMID: 34759638 PMCID: PMC8527064 DOI: 10.4103/jets.jets_134_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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 04/21/2021] [Accepted: 08/27/2021] [Indexed: 12/02/2022] Open
Abstract
Aortic dissection (AD) is a great imitator, and its diagnosis is quite challenging due to its varied presentations and unreliable clinical findings. Based on the literature search we found, this is the first case report of Stanford-A/DeBakey Type 1 AD reported as a triple mimic, namely stroke, acute limb ischemia, and pericarditis. Here, we describe the case of a 46-year-old male who presented to our emergency department with features suggestive of acute pericarditis, cerebrovascular accident, acute limb ischemia, which could have been attributed to athero-thrombo-embolic disease and AD could have been possibly missed. However, point-of-care ultrasound helped us in the diagnosis of this highly lethal condition.
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Affiliation(s)
- Sasikumar Mahalingam
- Department of Emergency Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Gunaseelan Rajendran
- Department of Emergency Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Nithya Balaraman
- Department of Emergency Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Kiran Kumar
- Department of Emergency Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Ajithkumar Rajendran
- Department of Emergency Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Balamurugan Nathan
- Department of Emergency Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Manu Ayyan
- Department of Emergency Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Vishwanath Balassoundaram
- Department of Emergency Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Mounika Gara
- Department of Emergency Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Praveen Kumar
- Department of Emergency Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
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