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Acosta-Angulo B, Lara-Ramos J, Niño-Vargas A, Diaz-Angulo J, Benavides-Guerrero J, Bhattacharya A, Cloutier S, Machuca-Martínez F. Unveiling the potential of machine learning in cost-effective degradation of pharmaceutically active compounds: A stirred photo-reactor study. Chemosphere 2024; 358:142222. [PMID: 38714249 DOI: 10.1016/j.chemosphere.2024.142222] [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] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 03/30/2024] [Accepted: 04/30/2024] [Indexed: 05/09/2024]
Abstract
In this study, neural networks and support vector regression (SVR) were employed to predict the degradation over three pharmaceutically active compounds (PhACs): Ibuprofen (IBP), diclofenac (DCF), and caffeine (CAF) within a stirred reactor featuring a flotation cell with two non-concentric ultraviolet lamps. A total of 438 datapoints were collected from published works and distributed into 70% training and 30% test datasets while cross-validation was utilized to assess the training reliability. The models incorporated 15 input variables concerning reaction kinetics, molecular properties, hydrodynamic information, presence of radiation, and catalytic properties. It was observed that the Support Vector Regression (SVR) presented a poor performance as the ε hyperparameter ignored large error over low concentration levels. Meanwhile, the Artificial Neural Networks (ANN) model was able to provide rough estimations on the expected degradation of the pollutants without requiring information regarding reaction rate constants. The multi-objective optimization analysis suggested a leading role due to ozone kinetic for a rapid degradation of the contaminants and most of the results required intensification with hydrogen peroxide and Fenton process. Although both models were affected by accuracy limitations, this work provided a lightweight model to evaluate different Advanced Oxidation Processes (AOPs) by providing general information regarding the process operational conditions as well as know molecular and catalytic properties.
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Affiliation(s)
- B Acosta-Angulo
- Escuela de Ingeniería Química, Universidad Del Valle, Santiago de, Cali, 760026, Valle Del Cauca, Colombia
| | - J Lara-Ramos
- Escuela de Ingeniería Química, Universidad Del Valle, Santiago de, Cali, 760026, Valle Del Cauca, Colombia
| | - A Niño-Vargas
- Escuela de Ingeniería Química, Universidad Del Valle, Santiago de, Cali, 760026, Valle Del Cauca, Colombia
| | - J Diaz-Angulo
- Research and Technological Development in Water Treatment, Processes Modelling and Disposal of Residues - GITAM, Cauca, Colombia
| | - J Benavides-Guerrero
- Department of Electrical Engineering, Ecole de Technologia Superieure, 1100 Notre-Dame West, Montreal, H3C 1K3, Quebec, Canada
| | - A Bhattacharya
- Department of Electrical Engineering, Ecole de Technologia Superieure, 1100 Notre-Dame West, Montreal, H3C 1K3, Quebec, Canada
| | - S Cloutier
- Department of Electrical Engineering, Ecole de Technologia Superieure, 1100 Notre-Dame West, Montreal, H3C 1K3, Quebec, Canada
| | - F Machuca-Martínez
- Escuela de Ingeniería Química, Universidad Del Valle, Santiago de, Cali, 760026, Valle Del Cauca, Colombia.
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2
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Bhattacharya A, Chauhan P, Singh SP, Narayan S, Bajpai RK, Dwivedi A, Mishra A. Bacillus tequilensis influences metabolite production in tomato and restores soil microbial diversity during Fusarium oxysporum infection. Plant Biol (Stuttg) 2024. [PMID: 38682466 DOI: 10.1111/plb.13647] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 02/08/2024] [Indexed: 05/01/2024]
Abstract
This study evaluates cellular damage, metabolite profiling, and defence-related gene expression in tomato plants and soil microflora during Fusarium wilt disease after treatment with B. tequilensis PBE-1. Histochemical analysis showed that PBE-1 was the primary line of defence through lignin deposition and reduced cell damage. GC-MS revealed that PBE-1 treatment ameliorated stress caused by F. oxysporum infection. PBE-1 also improved transpiration, photosynthesis, and stomatal conductance in tomato. qRT-PCR suggested that the defence-related genes FLS2, SERK, NOS, WRKYT, NHO, SAUR, and MYC2, which spread infection, were highly upregulated during F. oxysporum infection, but either downregulated or expressed normally in PBE-1 + P treated plants. This indicates that the plant not only perceives the bio-control agent as a non-pathogen entity but its presence in normal metabolism and gene expression within the host plant is maintained. The study further corroborated findings that application of PBE-1 does not cause ecological disturbances in the rhizosphere. Activity of soil microflora across four treatments, measured by Average Well Colour Development (AWCD), showed continuous increases from weeks 1 to 4 post-pathogen infection, with distinct substrate usage patterns like tannic and fumaric acids impacting microbial energy source utilization and diversity. Principal Component Analysis (PCA) and diversity indices like McIntosh, Shannon, and Simpson further illustrated significant microbial community shifts over the study period. In conclusion, our findings demonstrate that B. tequilensis PBE-1 is an ideal bio-agent for field application during Fusarium wilt disease management in tomato.
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Affiliation(s)
- A Bhattacharya
- Division of Microbial Technology, CSIR-National Botanical Research Institute, Lucknow, Uttar Pradesh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - P Chauhan
- Division of Microbial Technology, CSIR-National Botanical Research Institute, Lucknow, Uttar Pradesh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
- School of Sciences, P P Savani University, Surat, Gujarat, India
| | - S P Singh
- Pharmacognosy Division, CSIR-National Botanical Research Institute, Lucknow, Uttar Pradesh, India
| | - S Narayan
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
- Plant Physiology Laboratory, CSIR-National Botanical Research Institute, Lucknow, India
| | - R K Bajpai
- Ex Director Research Services, Indira Gandhi Krishi Vishwavidyalaya, Raipur, India
| | - A Dwivedi
- Photobiology Division, CSIR-Indian Institute of Toxicology Research, Lucknow, India
| | - A Mishra
- Division of Microbial Technology, CSIR-National Botanical Research Institute, Lucknow, Uttar Pradesh, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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3
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Oshternian SR, Loipfinger S, Bhattacharya A, Fehrmann RSN. Exploring combinations of dimensionality reduction, transfer learning, and regularization methods for predicting binary phenotypes with transcriptomic data. BMC Bioinformatics 2024; 25:167. [PMID: 38671342 PMCID: PMC11046904 DOI: 10.1186/s12859-024-05795-6] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 04/22/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Numerous transcriptomic-based models have been developed to predict or understand the fundamental mechanisms driving biological phenotypes. However, few models have successfully transitioned into clinical practice due to challenges associated with generalizability and interpretability. To address these issues, researchers have turned to dimensionality reduction methods and have begun implementing transfer learning approaches. METHODS In this study, we aimed to determine the optimal combination of dimensionality reduction and regularization methods for predictive modeling. We applied seven dimensionality reduction methods to various datasets, including two supervised methods (linear optimal low-rank projection and low-rank canonical correlation analysis), two unsupervised methods [principal component analysis and consensus independent component analysis (c-ICA)], and three methods [autoencoder (AE), adversarial variational autoencoder, and c-ICA] within a transfer learning framework, trained on > 140,000 transcriptomic profiles. To assess the performance of the different combinations, we used a cross-validation setup encapsulated within a permutation testing framework, analyzing 30 different transcriptomic datasets with binary phenotypes. Furthermore, we included datasets with small sample sizes and phenotypes of varying degrees of predictability, and we employed independent datasets for validation. RESULTS Our findings revealed that regularized models without dimensionality reduction achieved the highest predictive performance, challenging the necessity of dimensionality reduction when the primary goal is to achieve optimal predictive performance. However, models using AE and c-ICA with transfer learning for dimensionality reduction showed comparable performance, with enhanced interpretability and robustness of predictors, compared to models using non-dimensionality-reduced data. CONCLUSION These findings offer valuable insights into the optimal combination of strategies for enhancing the predictive performance, interpretability, and generalizability of transcriptomic-based models.
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Affiliation(s)
- S R Oshternian
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands
| | - S Loipfinger
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands
| | - A Bhattacharya
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands
| | - R S N Fehrmann
- Department of Medical Oncology, University Medical Center Groningen, University of Groningen, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands.
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Bhattacharya A, Jan L, Burlak O, Li J, Upadhyay G, Williams K, Dong J, Rohrer H, Pynn M, Simon A, Kuhlmann N, Pustylnikov S, Melo MB, Dey AK. Potent and long-lasting humoral and cellular immunity against varicella zoster virus induced by mRNA-LNP vaccine. NPJ Vaccines 2024; 9:72. [PMID: 38575581 PMCID: PMC10995133 DOI: 10.1038/s41541-024-00865-5] [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: 07/21/2023] [Accepted: 03/19/2024] [Indexed: 04/06/2024] Open
Abstract
Varicella zoster virus (VZV) is a highly contagious human herpes virus responsible for causing chickenpox (varicella) and shingles (herpes zoster). Despite the approval of a highly effective vaccine, Shingrix®, the global incidence of herpes zoster is increasing and the economic burden to the health care system and society are substantial due to significant loss of productivity and health complications, particularly among elderly and immunocompromised individuals. This is primarily because access to the vaccines remains mostly limited to countries within developed economies, such as USA and Canada. Therefore, similarly effective vaccines against VZV that are more accessible to the rest-of-the-world are necessary. In this study, we aimed to evaluate immunogenicity and memory response induced by three mRNA-LNP-based vaccine candidates targeting VZV's surface glycoprotein E (gE). C57BL/6 mice were immunized with each candidate vaccine, and humoral and cellular immune responses were assessed. Our results demonstrate that the mRNA-LNP-based vaccine candidates elicited robust and durable humoral responses specific to the gE antigen. Notably, mice vaccinated with the mRNA-LNP vaccines exhibited significantly higher antigen-specific T-cell cytokine production compared to the group receiving Shingrix®, the current standard of care vaccine. Additionally, mRNA-LNP vaccines induced long-lasting memory response, as evidenced by detection of persistent gE-specific Long-Lived Plasma Cells (LLPCs) and memory T cells four months after final immunization. These findings underscore the potential of our mRNA-LNP-based vaccine candidates in generating potent immune responses against VZV, offering promising prospects for their clinical development as an effective prophylactic vaccine against herpes zoster.
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Affiliation(s)
| | - Lonzaric Jan
- GreenLight Biosciences Inc., 29 Hartwell Avenue, Lexington, MA, 02421, USA
| | - Olga Burlak
- GreenLight Biosciences Inc., 29 Hartwell Avenue, Lexington, MA, 02421, USA
| | - Jilong Li
- GreenLight Biosciences Inc., 29 Hartwell Avenue, Lexington, MA, 02421, USA
| | - Ghanshyam Upadhyay
- GreenLight Biosciences Inc., 29 Hartwell Avenue, Lexington, MA, 02421, USA
| | - Katherine Williams
- GreenLight Biosciences Inc., 29 Hartwell Avenue, Lexington, MA, 02421, USA
| | - Jinhui Dong
- GreenLight Biosciences Inc., 29 Hartwell Avenue, Lexington, MA, 02421, USA
| | - Harrison Rohrer
- GreenLight Biosciences Inc., 29 Hartwell Avenue, Lexington, MA, 02421, USA
| | - Michelle Pynn
- GreenLight Biosciences Inc., 29 Hartwell Avenue, Lexington, MA, 02421, USA
| | - Andrew Simon
- GreenLight Biosciences Inc., 29 Hartwell Avenue, Lexington, MA, 02421, USA
| | - Nathan Kuhlmann
- GreenLight Biosciences Inc., 29 Hartwell Avenue, Lexington, MA, 02421, USA
| | - Sergei Pustylnikov
- GreenLight Biosciences Inc., 29 Hartwell Avenue, Lexington, MA, 02421, USA
| | - Mariane B Melo
- GreenLight Biosciences Inc., 29 Hartwell Avenue, Lexington, MA, 02421, USA.
| | - Antu K Dey
- GreenLight Biosciences Inc., 29 Hartwell Avenue, Lexington, MA, 02421, USA.
- Icosavax (AstraZeneca), 1930 Boren Avenue, Seattle, WA, 98101, USA.
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5
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Butail S, Bhattacharya A, Porfiri M. Estimating hidden relationships in dynamical systems: Discovering drivers of infection rates of COVID-19. Chaos 2024; 34:033117. [PMID: 38457848 DOI: 10.1063/5.0156338] [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] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Accepted: 02/12/2024] [Indexed: 03/10/2024]
Abstract
Discovering causal influences among internal variables is a fundamental goal of complex systems research. This paper presents a framework for uncovering hidden relationships from limited time-series data by combining methods from nonlinear estimation and information theory. The approach is based on two sequential steps: first, we reconstruct a more complete state of the underlying dynamical system, and second, we calculate mutual information between pairs of internal state variables to detail causal dependencies. Equipped with time-series data related to the spread of COVID-19 from the past three years, we apply this approach to identify the drivers of falling and rising infections during the three main waves of infection in the Chicago metropolitan region. The unscented Kalman filter nonlinear estimation algorithm is implemented on an established epidemiological model of COVID-19, which we refine to include isolation, masking, loss of immunity, and stochastic transition rates. Through the systematic study of mutual information between infection rate and various stochastic parameters, we find that increased mobility, decreased mask use, and loss of immunity post sickness played a key role in rising infections, while falling infections were controlled by masking and isolation.
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Affiliation(s)
- S Butail
- Department of Mechanical Engineering, Northern Illinois University, DeKalb, Illinois 60115, USA
| | - A Bhattacharya
- Department of Mechanical Engineering, Northern Illinois University, DeKalb, Illinois 60115, USA
| | - M Porfiri
- Center for Urban Science and Progress, Department of Mechanical and Aerospace Engineering, and Department of Biomedical Engineering, Tandon School of Engineering, New York University, Brooklyn, New York 11201, USA
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6
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Oosting SF, van der Veldt AAM, Fehrmann RSN, Bhattacharya A, van Binnendijk RS, GeurtsvanKessel CH, Dingemans AMC, Smit EF, Hiltermann TJN, den Hartog G, Jalving M, Westphal TT, de Wilt F, Ernst SM, Boerma A, van Zijl L, Rimmelzwaan GF, Kvistborg P, van Els CACM, Rots NY, van Baarle D, Haanen JBAG, de Vries EGE. Factors associated with long-term antibody response after COVID-19 vaccination in patients treated with systemic treatment for solid tumors. ESMO Open 2023; 8:101599. [PMID: 37450950 PMCID: PMC10284446 DOI: 10.1016/j.esmoop.2023.101599] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 06/11/2023] [Indexed: 07/18/2023] Open
Affiliation(s)
- S F Oosting
- Department of Medical Oncology, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - A A M van der Veldt
- Department of Medical Oncology, Erasmus Medical Centre, Rotterdam, the Netherlands; Department of Radiology & Nuclear Medicine, Erasmus Medical Centre, Rotterdam, the Netherlands.
| | - R S N Fehrmann
- Department of Medical Oncology, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - A Bhattacharya
- Department of Medical Oncology, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - R S van Binnendijk
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, the Netherlands
| | - C H GeurtsvanKessel
- Department of Viroscience, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - A-M C Dingemans
- Department of Respiratory Medicine, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - E F Smit
- Department of Thoracic Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - T J N Hiltermann
- Department of Pulmonary Diseases, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - G den Hartog
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, the Netherlands
| | - M Jalving
- Department of Medical Oncology, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - T T Westphal
- The Netherlands Comprehensive Cancer Organization, Utrecht, the Netherlands
| | - F de Wilt
- Department of Viroscience, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - S M Ernst
- Department of Respiratory Medicine, Erasmus Medical Centre, Rotterdam, the Netherlands
| | - A Boerma
- Department of Medical Microbiology and Infection Prevention University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - L van Zijl
- Department of Medical Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - G F Rimmelzwaan
- Research Centre for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - P Kvistborg
- Department of Molecular Oncology and Immunology, Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - C A C M van Els
- Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - N Y Rots
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, the Netherlands
| | - D van Baarle
- Department of Medical Microbiology and Infection Prevention University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
| | - J B A G Haanen
- Department of Medical Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - E G E de Vries
- Department of Medical Oncology, University Medical Centre Groningen, University of Groningen, Groningen, the Netherlands
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7
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de Waard J, Bhattacharya A, de Boer MT, van Hemel BM, Esajas MD, Vermeulen KM, de Bock GH, Schuuring E, Wisman GBA. Identification of a methylation panel as an alternative triage to detect CIN3+ in hrHPV-positive self-samples from the population-based cervical cancer screening programme. Clin Epigenetics 2023; 15:103. [PMID: 37322534 PMCID: PMC10273737 DOI: 10.1186/s13148-023-01517-6] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 06/03/2023] [Indexed: 06/17/2023] Open
Abstract
BACKGROUND The Dutch population-based cervical cancer screening programme (PBS) consists of primary high-risk human papilloma virus (hrHPV) testing with cytology as triage test. In addition to cervical scraping by a general practitioner (GP), women are offered self-sampling to increase participation. Because cytological examination on self-sampled material is not feasible, collection of cervical samples from hrHPV-positive women by a GP is required. This study aims to design a methylation marker panel to detect CIN3 or worse (CIN3+) in hrHPV-positive self-samples from the Dutch PBS as an alternative triage test for cytology. METHODS Fifteen individual host DNA methylation markers with high sensitivity and specificity for CIN3+ were selected from literature and analysed using quantitative methylation-specific PCR (QMSP) on DNA from hrHPV-positive self-samples from 208 women with CIN2 or less (< CIN2) and 96 women with CIN3+. Diagnostic performance was determined by area under the curve (AUC) of receiver operating characteristic (ROC) analysis. Self-samples were divided into a train and test set. Hierarchical clustering analysis to identify input methylation markers, followed by model-based recursive partitioning and robustness analysis to construct a predictive model, was applied to design the best marker panel. RESULTS QMSP analysis of the 15 individual methylation markers showed discriminative DNA methylation levels between < CIN2 and CIN3+ for all markers (p < 0.05). The diagnostic performance analysis for CIN3+ showed an AUC of ≥ 0.7 (p < 0.001) for nine markers. Hierarchical clustering analysis resulted in seven clusters with methylation markers with similar methylation patterns (Spearman correlation> 0.5). Decision tree modeling revealed the best and most robust panel to contain ANKRD18CP, LHX8 and EPB41L3 with an AUC of 0.83 in the training set and 0.84 in the test set. Sensitivity to detect CIN3+ was 82% in the training set and 84% in the test set, with a specificity of 74% and 71%, respectively. Furthermore, all cancer cases (n = 5) were identified. CONCLUSION The combination of ANKRD18CP, LHX8 and EPB41L3 revealed good diagnostic performance in real-life self-sampled material. This panel shows clinical applicability to replace cytology in women using self-sampling in the Dutch PBS programme and avoids the extra GP visit after a hrHPV-positive self-sampling test.
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Affiliation(s)
- J de Waard
- Department of Gynaecologic Oncology, Cancer Research Center Groningen, University of Groningen, University Medical Center Groningen, PO-Box 30001, 9700 RB, Groningen, The Netherlands
| | - A Bhattacharya
- Department of Medical Oncology, Cancer Research Center Groningen, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - M T de Boer
- Department of Gynaecologic Oncology, Cancer Research Center Groningen, University of Groningen, University Medical Center Groningen, PO-Box 30001, 9700 RB, Groningen, The Netherlands
| | - B M van Hemel
- Department of Pathology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - M D Esajas
- Department of Obstetrics and Gynaecology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - K M Vermeulen
- Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - G H de Bock
- Department of Epidemiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - E Schuuring
- Department of Pathology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - G B A Wisman
- Department of Gynaecologic Oncology, Cancer Research Center Groningen, University of Groningen, University Medical Center Groningen, PO-Box 30001, 9700 RB, Groningen, The Netherlands.
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8
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Schulte PA, Jacklitsch BL, Bhattacharya A, Chun H, Edwards N, Elliott KC, Flynn MA, Guerin R, Hodson L, Lincoln JM, MacMahon KL, Pendergrass S, Siven J, Vietas J. Updated assessment of occupational safety and health hazards of climate change. J Occup Environ Hyg 2023; 20:183-206. [PMID: 37104117 PMCID: PMC10443088 DOI: 10.1080/15459624.2023.2205468] [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] [Indexed: 06/04/2023]
Abstract
Workers, particularly outdoor workers, are among the populations most disproportionately affected by climate-related hazards. However, scientific research and control actions to comprehensively address these hazards are notably absent. To assess this absence, a seven-category framework was developed in 2009 to characterize the scientific literature published from 1988-2008. Using this framework, a second assessment examined the literature published through 2014, and the current one examines literature from 2014-2021. The objectives were to present literature that updates the framework and related topics and increases awareness of the role of climate change in occupational safety and health. In general, there is substantial literature on worker hazards related to ambient temperatures, biological hazards, and extreme weather but less on air pollution, ultraviolet radiation, industrial transitions, and the built environment. There is growing literature on mental health and health equity issues related to climate change, but much more research is needed. The socioeconomic impacts of climate change also require more research. This study illustrates that workers are experiencing increased morbidity and mortality related to climate change. In all areas of climate-related worker risk, including geoengineering, research is needed on the causality and prevalence of hazards, along with surveillance to identify, and interventions for hazard prevention and control.
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Affiliation(s)
- P. A. Schulte
- Advanced Technologies and Laboratories International, Inc, Cincinnati, Ohio
| | - B. L. Jacklitsch
- Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH), Cincinnati, Ohio
| | - A. Bhattacharya
- Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH), Cincinnati, Ohio
| | - H. Chun
- Centers for Disease Control and Prevention (CDC), National Center for Emerging and Zoonotic Infectious Diseases (NCEZID), Atlanta, Georgia
| | - N. Edwards
- Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH), Morgantown, West Virginia
| | - K. C. Elliott
- Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH), Anchorage, Alaska
| | - M. A. Flynn
- Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH), Cincinnati, Ohio
| | - R. Guerin
- Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH), Cincinnati, Ohio
| | - L. Hodson
- Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH) (retired), Cincinnati, Ohio
| | - J. M. Lincoln
- Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH), Cincinnati, Ohio
| | - K. L. MacMahon
- Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH), Cincinnati, Ohio
| | - S. Pendergrass
- Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH) (retired), Cincinnati, Ohio
| | - J. Siven
- Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH), Cincinnati, Ohio
| | - J. Vietas
- Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH), Cincinnati, Ohio
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9
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van der Veldt AAM, Oosting SF, Fehrmann RSN, GeurtsvanKessel CH, van Binnendijk RS, Dingemans AMC, Smit EF, Hiltermann TJN, Hartog GD, Jalving M, Westphal TT, Bhattacharya A, de Wilt F, Ernst SM, Boerma A, van Zijl L, Rimmelzwaan GF, Kvistborg P, van Els CACM, Rots NY, van Baarle D, Haanen JBAG, de Vries EGE. One-year data on immunogenicity and breakthrough infections in patients with solid tumors vaccinated against COVID-19 during systemic cancer treatment. ESMO Open 2023; 8:100785. [PMID: 36764094 PMCID: PMC9829609 DOI: 10.1016/j.esmoop.2023.100785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Affiliation(s)
- A A M van der Veldt
- Department of Medical Oncology, Erasmus Medical Centre, Rotterdam, Netherlands; Radiology & Nuclear Medicine, Erasmus Medical Centre, Rotterdam, Netherlands.
| | - S F Oosting
- Department of Medical Oncology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - R S N Fehrmann
- Department of Medical Oncology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | | | - R S van Binnendijk
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - A-M C Dingemans
- Department of Respiratory Medicine Erasmus Medical Centre, Rotterdam, Netherlands
| | - E F Smit
- Department of Thoracic Oncology, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - T J N Hiltermann
- Department of Pulmonary Diseases, University Medical Centre Groningen, Amsterdam, Netherlands
| | - G den Hartog
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - M Jalving
- Department of Medical Oncology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - T T Westphal
- Comprehensive Cancer Organization the Netherlands, Utrecht, Netherlands
| | - A Bhattacharya
- Department of Medical Oncology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - F de Wilt
- Department of Viroscience, Erasmus Medical Centre, Rotterdam, Netherlands
| | - S M Ernst
- Department of Respiratory Medicine Erasmus Medical Centre, Rotterdam, Netherlands
| | - A Boerma
- Department of Medical Microbiology and Infection Prevention, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - L van Zijl
- Department of Medical Oncology, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - G F Rimmelzwaan
- Research Centre for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - P Kvistborg
- Department of Molecular Oncology and Immunology, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - C A C M van Els
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, Netherlands; Department of Biomolecular Health Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - N Y Rots
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - D van Baarle
- Department of Medical Microbiology and Infection Prevention, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
| | - J B A G Haanen
- Department of Medical Oncology, Netherlands Cancer Institute, Amsterdam, Netherlands
| | - E G E de Vries
- Department of Medical Oncology, University Medical Centre Groningen, University of Groningen, Groningen, Netherlands
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10
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Yuan H, Jin L, Xiang H, Bhattacharya A, Brandish PE, Baltus G, Tong A, Zhou C, Glazer RI. Resistance of MMTV-NeuT/ATTAC mice to anti-PD-1 immune checkpoint therapy is associated with macrophage infiltration and Wnt pathway expression. Oncotarget 2022; 13:1350-1358. [PMID: 36537914 PMCID: PMC9765860 DOI: 10.18632/oncotarget.28330] [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] [Indexed: 12/24/2022] Open
Abstract
One of the central challenges for cancer therapy is the identification of factors in the tumor microenvironment that increase tumor progression and immune tolerance. In breast cancer, fibrosis is a histopathologic criterion for invasive cancer and poor survival that results from inflammatory factors and remodeling of the extracellular matrix to produce an immune tolerant microenvironment. To determine whether tolerance is associated with the immune checkpoint, Programmed Cell Death 1 (PD-1), NeuT/ATTAC mice, a conditional model of mammary fibrosis that we recently developed, were administered a murine-specific anti-PD-1 mAb related to pembrolizumab, and drug response was monitored by tumor development, imaging mass cytometry, immunohistochemistry and tumor gene expression by RNAseq. Tumor progression in NeuT/ATTAC mice was unaffected by weekly injection of anti-PD-1 over four months. Insensitivity to anti-PD-1 was associated with several processes, including increased tumor-associated macrophages (TAM), epithelial to mesenchymal transition (EMT), fibroblast proliferation, an enhanced extracellular matrix and the Wnt signaling pathway, including increased expression of Fzd5, Wnt5a, Vimentin, Mmp3, Col2a1 and Tgfβ1. These results suggest potential therapeutic avenues that may enhance PD-1 immune checkpoint sensitivity, including the use of tumor microenvironment targeted agents and Wnt pathway inhibitors.
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Affiliation(s)
- Hongyan Yuan
- 1Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Lu Jin
- 1Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Handan Xiang
- 2Discovery Immunology, Merck Research Institute, Boston, MA 02115, USA
| | | | - Philip E. Brandish
- 3Discovery Oncology, Merck Research Institute, Boston, MA 02115, USA,4Bicycle Therapeutics, Lexington, MA 02421, USA
| | - Gretchen Baltus
- 2Discovery Immunology, Merck Research Institute, Boston, MA 02115, USA
| | - Alexander Tong
- 1Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Changyan Zhou
- 1Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA
| | - Robert I. Glazer
- 1Department of Oncology and Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20007, USA,Correspondence to:Robert I. Glazer, email:
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11
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Bhattacharya A, Maitra D. A comparative analysis between vertical rectus abdominis myocutaneous (VRAM) flap and transverse rectus abdominis myocutaneous (TRAM) flap as options for post-mastectomy chest wall reconstruction. Eur J Cancer 2022. [DOI: 10.1016/s0959-8049(22)01400-9] [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: 11/19/2022]
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12
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Sohn SY, Russell CD, Jamjoom AAB, Poon MT, Lawson McLean A, Ahmed AI, Abdulla MAH, Alalade A, Bailey M, Basu S, Baudracco I, Bayston R, Bhattacharya A, Bodkin P, Boissaud-Cooke M, Bojanic S, Brennan PM, Bulters DO, Buxton N, Chari A, Corns R, Coulter C, Coulter I, Critchley G, Dando A, Dardis R, Duddy J, Dyson E, Edwards R, Garnett M, Gatcher S, Georges H, Glancz LJ, Gray WP, Hallet J, Harte J, Haylock-Vize P, Hutchinson PJ, Humphreys H, Jenkinson MD, Joannides AJ, Kandasamy J, Kitchen J, Kolias AG, Loan JJM, Ma R, Madder H, Mallucci CL, Manning A, Mcelligott S, Mukerji N, Narayanamurthy H, O’Brien D, Okasha M, Papadopoulos M, Phan V, Phang I, Poots J, Rajaraman C, Roach J, Ross N, Sharouf F, Shastin D, Simms N, Steele L, Solth A, Tajsic T, Talibi S, Thanabalasundaram G, Vintu M, Wan Y, Wang D, Watkins L, Whitehouse K, Whitfield PC, Williams A, Zaben M. Comparison of suspected and confirmed internal EVD-related infections: a prospective multi-centre U.K. observational study. Open Forum Infect Dis 2022; 9:ofac480. [PMID: 36267249 PMCID: PMC9578167 DOI: 10.1093/ofid/ofac480] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 09/14/2022] [Indexed: 11/16/2022] Open
Abstract
Background Diagnosis of internal external ventricular drain (EVD)-related infections (iERI) is an area of diagnostic difficulty. Empiric treatment is often initiated on clinical suspicion. There is limited guidance around antimicrobial management of confirmed versus suspected iERI. Methods Data on patients requiring EVD insertion were collected from 21 neurosurgical units in the United Kingdom from 2014 to 2015. Confirmed iERI was defined as clinical suspicion of infection with positive cerebrospinal fluid (CSF) culture and/or Gram stain. Cerebrospinal fluid, blood, and clinical parameters and antimicrobial management were compared between the 2 groups. Mortality and Modified Rankin Scores were compared at 30 days post-EVD insertion. Results Internal EVD-related infection was suspected after 46 of 495 EVD insertions (9.3%), more common after an emergency insertion. Twenty-six of 46 were confirmed iERIs, mostly due to Staphylococci (16 of 26). When confirmed and suspected infections were compared, there were no differences in CSF white cell counts or glucose concentrations, nor peripheral blood white cell counts or C-reactive protein concentrations. The incidence of fever, meningism, and seizures was also similar, although altered consciousness was more common in people with confirmed iERI. Broad-spectrum antimicrobial usage was prevalent in both groups with no difference in median duration of therapy (10 days [interquartile range {IQR}, 7–24.5] for confirmed cases and 9.5 days [IQR, 5.75–14] for suspected, P = 0.3). Despite comparable baseline characteristics, suspected iERI was associated with lower mortality and better neurological outcomes. Conclusions Suspected iERI could represent sterile inflammation or lower bacterial load leading to false-negative cultures. There is a need for improved microbiology diagnostics and biomarkers of bacterial infection to permit accurate discrimination and improve antimicrobial stewardship.
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Affiliation(s)
- Sei Yon Sohn
- Division of Anaesthesia, University of Cambridge , Cambridge , U.K
| | - Clark D Russell
- University of Edinburgh Centre for Inflammation Research, Queen’s Medical Research Institute , Edinburgh , U.K
| | - Aimun AB Jamjoom
- Department of Clinical Neuroscience, Royal Infirmary of Edinburgh , Edinburgh , U.K
| | - Michael T Poon
- Department of Clinical Neuroscience, Royal Infirmary of Edinburgh , Edinburgh , U.K
| | - Aaron Lawson McLean
- Department of Neurosurgery, Jena University Hospital – Friedrich Schiller University Jena , Jena , Germany
| | - Aminul I Ahmed
- Wolfson CARD, King’s College London and Department of Neurosurgery, King’s College Hospital , London , U.K
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13
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Saxena M, Singh PS, Bhattacharya A. Composite Membranes Prepared by Polyvinyl Alcohol-Maleic Acid onto Polysulfone: Separation Performance of Tea Polyphenol. Macromol Res 2022. [DOI: 10.1007/s13233-022-0064-2] [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: 11/24/2022]
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14
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Ochatt S, Alan AR, Bhattacharya A, Hano C, Kiselev KV, Marconi PL, Otoni WC, Park SY, Tang KX, Weathers PJ. Secondary metabolites: a boon from plants, the best chemist in nature: preface from the editors. Plant Cell Tissue Organ Cult 2022; 149:1-6. [PMID: 35369037 PMCID: PMC8959786 DOI: 10.1007/s11240-022-02289-2] [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] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Affiliation(s)
- S. Ochatt
- Agroécologie, InstitutAgro Dijon, INRAE, Univ. Bourgogne Franche-Comté, 21000 Dijon, France
| | - A. R. Alan
- Pamukkale University, Kinikli/Denizli, 20017 Pamukkale, Turkey
| | - A. Bhattacharya
- CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh 176061 India
| | - C. Hano
- Laboratoire de Biologie des Ligneux et des Grandes Cultures, INRAE USC1328, Université d’Orléans, Eure & Loir Campus, Chartres, France
| | - K. V. Kiselev
- Institute of Biology and Soil Science, Department Biotechnology, Far East Branch of Russian Academy of Sciences, Vladivostok, 690034 Russia
| | - P. L. Marconi
- Faculty Biology- CEBBAD. Laboratory of Environmental Biotechnology, Maimónides University -CONICET, Ciudad de Buenos Aires, 1405 Argentina
| | - W. C. Otoni
- Plant Biology Department/BIOAGRO, Federal University of Viçosa, University Campus, Viçosa, MG 36570-900 Brazil
| | - S. Y. Park
- Department of Horticultural Sciences, Chungbuk National University, Cheongju, 28644 Republic of Korea
| | - K. X. Tang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, 200240 China
| | - P. J. Weathers
- Worcester Polytechnic Institute, Worcester, MA 01609 USA
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15
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Nagasaka M, Goto K, Gomez J, Hida T, Shu C, Lee C, Park K, Cho B, Lee J, Ou S, Bestvina C, Natale R, Haddish-Berhane N, Bhattacharya A, Verheijen R, Agrawal T, Knoblauch R, Govindan R. P50.04 Amivantamab in Combination With Chemotherapy in Patients With Advanced Non-Small Cell Lung Cancer (NSCLC). J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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16
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Leeuwenburgh VC, Urzúa-Traslaviña CG, Bhattacharya A, Walvoort MTC, Jalving M, de Jong S, Fehrmann RSN. Robust metabolic transcriptional components in 34,494 patient-derived cancer-related samples and cell lines. Cancer Metab 2021; 9:35. [PMID: 34565468 PMCID: PMC8474886 DOI: 10.1186/s40170-021-00272-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 09/09/2021] [Indexed: 12/25/2022] Open
Abstract
Background Patient-derived bulk expression profiles of cancers can provide insight into the transcriptional changes that underlie reprogrammed metabolism in cancer. These profiles represent the average expression pattern of all heterogeneous tumor and non-tumor cells present in biopsies of tumor lesions. Hence, subtle transcriptional footprints of metabolic processes can be concealed by other biological processes and experimental artifacts. However, consensus independent component analyses (c-ICA) can capture statistically independent transcriptional footprints of both subtle and more pronounced metabolic processes. Methods We performed c-ICA with 34,494 bulk expression profiles of patient-derived tumor biopsies, non-cancer tissues, and cell lines. Gene set enrichment analysis with 608 gene sets that describe metabolic processes was performed to identify the transcriptional components enriched for metabolic processes (mTCs). The activity of these mTCs was determined in all samples to create a metabolic transcriptional landscape. Results A set of 555 mTCs was identified of which many were robust across different datasets, platforms, and patient-derived tissues and cell lines. We demonstrate how the metabolic transcriptional landscape defined by the activity of these mTCs in samples can be used to explore the associations between the metabolic transcriptome and drug sensitivities, patient outcomes, and the composition of the immune tumor microenvironment. Conclusions To facilitate the use of our transcriptional metabolic landscape, we have provided access to all data via a web portal (www.themetaboliclandscapeofcancer.com). We believe this resource will contribute to the formulation of new hypotheses on how to metabolically engage the tumor or its (immune) microenvironment. Supplementary Information The online version contains supplementary material available at 10.1186/s40170-021-00272-7.
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Affiliation(s)
- V C Leeuwenburgh
- Department of Medical Oncology, Cancer Research Center Groningen, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,Department of Chemical Biology, Stratingh Institute for Chemistry, University of Groningen, Groningen, The Netherlands
| | - C G Urzúa-Traslaviña
- Department of Medical Oncology, Cancer Research Center Groningen, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - A Bhattacharya
- Department of Medical Oncology, Cancer Research Center Groningen, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - M T C Walvoort
- Department of Chemical Biology, Stratingh Institute for Chemistry, University of Groningen, Groningen, The Netherlands
| | - M Jalving
- Department of Medical Oncology, Cancer Research Center Groningen, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - S de Jong
- Department of Medical Oncology, Cancer Research Center Groningen, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - R S N Fehrmann
- Department of Medical Oncology, Cancer Research Center Groningen, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
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Agrawal T, Artis E, Xie J, Bhattacharya A, Haddish-Berhane N, Gopen T, Curtin J, Karkera J, Roshak A, Knoblauch R, Patel K. P76.74 PAPILLON: Randomized Phase 3 Study of Amivantamab Plus Chemotherapy vs Chemotherapy Alone in EGFR Exon20ins NSCLC. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.01.1131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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18
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Barman C, Rath P, Bhattacharya A. A Non-Fourier Bioheat Transfer Model for Cryosurgery of Tumor Tissue with Minimum Collateral Damage. Comput Methods Programs Biomed 2021; 200:105857. [PMID: 33280936 DOI: 10.1016/j.cmpb.2020.105857] [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: 09/04/2020] [Accepted: 11/15/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND AND OBJECTIVES Incorporation of non-Fourier heat conduction while studying heat transfer phenomena in biological materials has emerged has an important approach as it predicts better and more realistic results than Fourier based models. In this article we have proposed a non-Fourier computational model and applied the same to simulate cryosurgery of lung tumor and attempted minimization of freezing damage of healthy lung tissue using pulsed laser irradiation. METHODS A non-Fourier bioheat transfer model for phase change in biological tissues is solved via a Fourier heat conduction based solution approach. A unified model is proposed combining all variants of bioheat models: Fourier's heat conduction based Pennes' bioheat model, hyperbolic heat conduction model and dual phase lag model. The proposed model takes into account the different thermophysical properties of frozen and unfrozen regions. In order to mimic the actual biotransport process, the blood perfusion and metabolic heat generation are switched off in the frozen region. Implicit source based enthalpy method is used to model phase change process. A new iterative enthalpy update equation is developed for capturing evolution of freezing front implicitly. Finite Volume based numerical discretization technique is used to discretize the governing PDE. The resulting discrete algebraic equation set is solved implicitly by Tri-diagonal Matrix Algorithm. The proposed model is verified with existing results from the literature. RESULTS For Fourier heat conduction, freezing time of 99.99% of tumor is 1247s, which increases to 1267s for τq= 5s (τT= 0s) and again reduces to 1255s for τq= 5s and τT= 3s. τq and τT are phase lag parameters for non-Fourier heat conduction. For τq= 5s and τT= 0.05s, the freezing damage of healthy tissue decreases by 23.76% when pulsed laser irradiation (Io = 106 W/m2) is used to warm the neighboring healthy tissue. CONCLUSIONS So non-Fourier bioheat transport models are better and more accurate in predicting temperature history, freezing time and freezing front propagation as compared to Fourier based models. Pulsed laser irradiation can prove to be a very efficient technique in minimizing collateral damage during cryosurgery.
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Affiliation(s)
- C Barman
- Heat Transfer Laboratory, School of Mechanical Sciences, Indian Institute of Technology, Bhubaneswar, Odisha, India, 752050
| | - P Rath
- Heat Transfer Laboratory, School of Mechanical Sciences, Indian Institute of Technology, Bhubaneswar, Odisha, India, 752050.
| | - A Bhattacharya
- Heat Transfer Laboratory, School of Mechanical Sciences, Indian Institute of Technology, Bhubaneswar, Odisha, India, 752050
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Singh L, Muise ES, Bhattacharya A, Grein J, Javaid S, Stivers P, Zhang J, Qu Y, Joyce-Shaikh B, Loboda A, Zhang C, Meehl M, Chiang DY, Ranganath SH, Rosenzweig M, Brandish PE. ILT3 (LILRB4) Promotes the Immunosuppressive Function of Tumor-Educated Human Monocytic Myeloid-Derived Suppressor Cells. Mol Cancer Res 2020; 19:702-716. [PMID: 33372059 DOI: 10.1158/1541-7786.mcr-20-0622] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 10/28/2020] [Accepted: 12/17/2020] [Indexed: 11/16/2022]
Abstract
Myeloid-derived suppressor cells (MDSC) are immature myeloid cells that accumulate in the tumor microenvironment (TME). MDSCs have been shown to dampen antitumor immune responses and promote tumor growth; however, the mechanisms of MDSC induction and their role in promoting immune suppression in cancer remain poorly understood. Here, we characterized the phenotype and function of monocytic MDSCs (M-MDSC) generated by coculture of human peripheral blood mononuclear cells with SK-MEL-5 cancer cells in vitro. We selected the SK-MEL-5 human melanoma cell line to generate M-MDSCs because these cells form subcutaneous tumors rich in myeloid cells in humanized mice. M-MDSCs generated via SK-MEL-5 coculture expressed low levels of human leukocyte antigen (HLA)-DR, high levels of CD33 and CD11b, and suppressed both CD8+ T-cell proliferation and IFNγ secretion. M-MDSCs also expressed higher levels of immunoglobulin-like transcript 3 (ILT3, also known as LILRB4) and immunoglobulin-like transcript 4 (ILT4, also known as LILRB2) on the cell surface compared with monocytes. Therefore, we investigated how ILT3 targeting could modulate M-MDSC cell function. Treatment with an anti-ILT3 antibody impaired the acquisition of the M-MDSC suppressor phenotype and reduced the capacity of M-MDSCs to cause T-cell suppression. Finally, in combination with anti-programmed cell death protein 1 (PD1), ILT3 blockade enhanced T-cell activation as assessed by IFNγ secretion. IMPLICATIONS: These results suggest that ILT3 expressed on M-MDSCs has a role in inducing immunosuppression in cancer and that antagonism of ILT3 may be useful to reverse the immunosuppressive function of M-MDSCs and enhance the efficacy of immune checkpoint inhibitors.
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Affiliation(s)
- Latika Singh
- Discovery Oncology, Merck & Co., Inc., Boston, Massachusetts.
| | - Eric S Muise
- Genetics and Pharmacogenomics, Merck & Co., Inc., Boston, Massachusetts
| | | | - Jeff Grein
- Genetics and Pharmacogenomics, Merck & Co., Inc., South San Francisco, California
| | - Sarah Javaid
- Genetics and Pharmacogenomics, Merck & Co., Inc., Boston, Massachusetts
| | - Peter Stivers
- Discovery Oncology, Merck & Co., Inc., Boston, Massachusetts
| | - Jun Zhang
- Immunology, Merck & Co., Inc., Boston, Massachusetts
| | - Yujie Qu
- Immunology, Merck & Co., Inc., Boston, Massachusetts
| | | | - Andrey Loboda
- Genetics and Pharmacogenomics, Merck & Co., Inc., Boston, Massachusetts
| | - Chunsheng Zhang
- Genetics and Pharmacogenomics, Merck & Co., Inc., Boston, Massachusetts
| | - Michael Meehl
- Biologics Discovery, Merck & Co., Inc., Boston, Massachusetts
| | - Derek Y Chiang
- Genetics and Pharmacogenomics, Merck & Co., Inc., Boston, Massachusetts
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Naik K, Janal MN, Chen J, Bandary D, Brar B, Zhang S, Dolan JC, Schmidt BL, Albertson DG, Bhattacharya A. The Histopathology of Oral Cancer Pain in a Mouse Model and a Human Cohort. J Dent Res 2020; 100:194-200. [PMID: 33030108 DOI: 10.1177/0022034520961020] [Citation(s) in RCA: 6] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Oral cancer patients often have severe, chronic, and mechanically induced pain at the site of the primary cancer. Oral cancer pain is initiated and maintained in the cancer microenvironment and attributed to release of mediators that sensitize primary sensory nerves. This study was designed to investigate the histopathology associated with painful oral cancers in a preclinical model. The relationship of pain scores with pathologic variables was also investigated in a cohort of 72 oral cancer patients. Wild-type mice were exposed to the carcinogen, 4-nitroquinoline 1-oxide (4NQO). Nociceptive (pain) behavior was measured with the dolognawmeter, an operant device and assay for measuring functional and mechanical allodynia. Lesions developed on the tongues and esophagi of the 4NQO-treated animals and included hyperkeratoses, papillomas, dysplasias, and cancers. Papillomas included lesions with benign and dysplastic pathological features. Two histologic subtypes of squamous cell carcinomas (SCCs) were identified-SCCs with exophytic and invasive components associated with papillary lesions (pSCCs) and invasive SCCs without exophytic histology (iSCCs). Only the pSCC subtype of tongue cancer was associated with nociceptive behavior. Increased tumor size was associated with greater nociceptive behavior in the mouse model and more pain experienced by oral cancer patients. In addition, depth of invasion was associated with patient-reported pain. The pSCC histology identifies 4NQO-induced tongue cancers that are expected to be enriched for expression and release of nociceptive mediators.
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Affiliation(s)
- K Naik
- Department of Oral and Maxillofacial Surgery, New York University College of Dentistry, New York, NY, USA
| | - M N Janal
- Department of Epidemiology and Health Promotion, New York University College of Dentistry, New York, NY, USA
| | - J Chen
- New York University College of Dentistry, New York, NY, USA
| | - D Bandary
- New York University College of Dentistry, New York, NY, USA
| | - B Brar
- New York University College of Dentistry, New York, NY, USA
| | - S Zhang
- New York University College of Dentistry, New York, NY, USA
| | - J C Dolan
- Department of Oral and Maxillofacial Surgery, New York University College of Dentistry, New York, NY, USA
| | - B L Schmidt
- Department of Oral and Maxillofacial Surgery, New York University College of Dentistry, New York, NY, USA
| | - D G Albertson
- Department of Oral and Maxillofacial Surgery, New York University College of Dentistry, New York, NY, USA
| | - A Bhattacharya
- Department of Oral and Maxillofacial Surgery, New York University College of Dentistry, New York, NY, USA
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Bhattacharya A, Lenka A, Thomas M, Yadav R, Pal PK. Kinematic analysis of handwriting in patients of Parkinson's disease using various machine learning algorithms. Parkinsonism Relat Disord 2020. [DOI: 10.1016/j.parkreldis.2020.06.337] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Glazer R, Gao S, Yuan H, Ranjit S, Lu J, Xiang H, Bhattacharya A, Brandish P, Levi M. Targeting immune tolerance and stromal fibrosis with an LXR agonist in a conditional transgenic model of mammary fibrosis. Eur J Cancer 2020. [DOI: 10.1016/s0959-8049(20)31117-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Kavanal AJ, Bhattacharya A, Sharma A, Shukla J, Chattopadhyay A, Vatsa R, Rana N, Kaur G, Mittal BR. THU0531 A PROSPECTIVE STUDY EVALUATING THE ROLE OF 68GA-RGD2 PET/CT ANGIOGENESIS IMAGING IN ASSESSING DISEASE ACTIVITY AND TREATMENT RESPONSE IN RHEUMATOID ARTHRITIS AND ITS COMPARISON WITH DAS28. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.3276] [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
Background:PET/CT imaging of synovial angiogenesis using68Ga-RGD (cyclic tripeptide agent targeting αvβ3integrin) to study disease activity in rheumatoid arthritis (RA) has been demonstrated earlier in a few patients. However, post treatment changes in disease activity on68Ga-RGD2PET/CT imaging have not been adequately assessed.Objectives:To compare the performance of68Ga-RGD2PET/CT with disease activity score (DAS) 28 in assessing disease activity and treatment response in RA.Methods:Thirty patients (24F, 6M) aged 43±12 years with clinically diagnosed RA were prospectively studied. After calculation of DAS28 by a rheumatologist, all 30 patients underwent68Ga-RGD2PET/CT scan. Of these, 27 patients underwent a second68Ga-RGD2PET/CT scan and clinical assessment after at least 3 months of treatment. Total body and regional images of the upper limbs were acquired and interpreted by two nuclear medicine physicians blinded to the clinical findings. Joints showing focally increased tracer uptake compared to the background were considered positive and joints showing uptake equal to or less than background were considered negative. Data of 30 patients were used for inter-observer and inter-modality agreement calculations. Changes in PET parameters and DAS28 were compared in 27 patients to assess treatment response.Results:Out of 1560 joints examined in the initial scan, 394 were positive on PET/CT compared to 348 on clinical evaluation. Inter-observer agreement between nuclear medicine physicians was excellent (Cohen’s kappa 0.92, p<0.05) and inter-modality agreement between PET and clinical examination was moderate (Cohen’s kappa 0.55, p<0.05). The DAS28 and SUVmax values (highest and average) of 27 patients showed significant reduction on follow-up compared to the initial evaluation. There was significant correlation between percentage change in DAS28 and percentage change in scan parameters like PET positive joint counts (0.689, p<0.001), average SUVmax (0.712, p<0.001) and highest SUVmax values (0.558, p=0.003) of scan-positive joints in 27 patients. Additional advantages of68Ga-RGD2PET/CT included objective assessment, whole body evaluation of all small and large joints, and greater reproducibility.Conclusion:68Ga-RGD2PET/CT is a promising tool for objective assessment of disease activity and treatment response in patients with RA.Table 1.Clinical and PET parameters of the patientsParameterInitial data (n=27)Mean (SD)/Median (IQR)Follow-up data (n=27)Mean (SD)/Median (IQR)TJC(28)10 (5-13)3 (2-4)SJC(28)6 (3-7)1 (0-2)ESR25 (20-41)24 (18-35)PtGA6.0 (5.0-6.0)3.0 (2.0-4.0)DAS28(3)5.14 (0.85)3.74 (0.88)DAS28(4)5.60 (0.90)3.80 (0.96)PET positive Joints12 (7-8)4 (2-9)aSUVmax2.08 (1.68-2.52)1.79 (1.00-2.06)hSUVmax3.45 (2.71-4.70)3.34 (1.95-4.25)TJC/SJC: tender/swollen joint counts; ESR: erythrocyte sedimentation rate; PtGA: patients global assessment scale; DAS: disease activity score; aSUVmax/hSUVmax: average/highest SUVmax (maximum standardized uptake value); SD: standard deviation; IQR: interquartile rangeFigure 1.68Ga-RGD2PET scan of a 26-year female RA patient on treatment.A.Initial scan shows increased tracer uptake in multiple joints of upper and lower limbs and tendon sheaths of hands and ankle region (arrows); DAS28 was 4.56 (moderate disease activity) and ESR 12 mm/1sthour.B. Follow-up scan after 4 months shows resolution of tracer activity in the previously involved joints with only a mild focus persisting in the left knee joint; DAS28 was 1.73 (clinical remission according to ARA) and ESR 08 mm/1sthour.Acknowledgments:This study was supported by Indian Council of Medical Research, New Delhi [grant no.3/2/June-2017/PG-Thesis-HRD (23)]Disclosure of Interests:None declared
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Purkait S, Bhattacharya A, Bag A, Chattopadhyay R. Evaluation of antibiofilm efficacy of essential oil components β‐caryophyllene, cinnamaldehyde and eugenol alone and in combination against biofilm formation and preformed biofilms of
Listeria monocytogenes
and
Salmonella typhimurium. Lett Appl Microbiol 2020; 71:195-202. [DOI: 10.1111/lam.13308] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/25/2020] [Accepted: 04/27/2020] [Indexed: 12/20/2022]
Affiliation(s)
- S. Purkait
- Agricultural and Ecological Research Unit Indian Statistical Institute Kolkata India
| | - A. Bhattacharya
- Agricultural and Ecological Research Unit Indian Statistical Institute Kolkata India
| | - A. Bag
- Agricultural and Ecological Research Unit Indian Statistical Institute Kolkata India
| | - R.R. Chattopadhyay
- Agricultural and Ecological Research Unit Indian Statistical Institute Kolkata India
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Purkait S, Bhattacharya A, Bag A, Chattopadhyay RR. Synergistic antibacterial, antifungal and antioxidant efficacy of cinnamon and clove essential oils in combination. Arch Microbiol 2020; 202:1439-1448. [PMID: 32185411 DOI: 10.1007/s00203-020-01858-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [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: 01/15/2020] [Revised: 02/25/2020] [Accepted: 03/04/2020] [Indexed: 12/01/2022]
Abstract
The present investigation aimed to evaluate antibacterial, antifungal and antioxidant efficacy of essential oils of three commonly used spices (black pepper, cinnamon and clove) in combination along with chemical characterization and toxicity evaluation. Among the possible combinations tested, cinnamon/clove oil combination showed synergistic antibacterial activity against foodborne bacteria Staphylococcus aureus, Listeria monocytogenes, Salmonella typhimurium and Pseudomonas aeruginosa and synergistic antifungal activity against Aspergillus niger as well as synergistic antioxidant potential in DPPH radical scavenging model system. GC-HRMS analysis revealed that out of thirteen identified components from clove oil, eugenol was found to be the main constituent of the oil; whereas out of twenty one identified constituents from cinnamon oil, the main component was cinnamaldehyde. Cinnamon/clove oil combination did not show any cytotoxic potential at recommended dosage level (IC50 > 2000 µg/ml). The results provide evidence that cinnamon/clove oil combination might indeed be used as a potential source of safe and effective novel natural antibacterial, antifungal and antioxidant blend in the food and pharmaceutical industries. To the best of our knowledge, this is the first time a combination of essential oils has been tested as natural preservatives to prevent both microbial proliferation and oxidative deterioration at sufficiently low concentrations.
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Affiliation(s)
- S Purkait
- Agricultural and Ecological Research Unit, Indian Statistical Institute, 203, Barrackpore Trunk Road, Kolkata, 700 108, India.
| | - A Bhattacharya
- Agricultural and Ecological Research Unit, Indian Statistical Institute, 203, Barrackpore Trunk Road, Kolkata, 700 108, India
| | - A Bag
- Agricultural and Ecological Research Unit, Indian Statistical Institute, 203, Barrackpore Trunk Road, Kolkata, 700 108, India
| | - R R Chattopadhyay
- Agricultural and Ecological Research Unit, Indian Statistical Institute, 203, Barrackpore Trunk Road, Kolkata, 700 108, India
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Place DE, Briard B, Samir P, Karki R, Bhattacharya A, Guy CS, Peters JL, Frase S, Vogel P, Neale G, Yamamoto M, Kanneganti TD. Interferon inducible GBPs restrict Burkholderia thailandensis motility induced cell-cell fusion. PLoS Pathog 2020; 16:e1008364. [PMID: 32150572 PMCID: PMC7082077 DOI: 10.1371/journal.ppat.1008364] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 03/19/2020] [Accepted: 01/29/2020] [Indexed: 12/20/2022] Open
Abstract
Innate immunity responds to pathogens by producing alarm signals and activating pathways that make host cells inhospitable for pathogen replication. The intracellular bacterium Burkholderia thailandensis invades the cytosol, hijacks host actin, and induces cell fusion to spread to adjacent cells, forming multinucleated giant cells (MNGCs) which promote bacterial replication. We show that type I interferon (IFN) restricts macrophage MNGC formation during B. thailandensis infection. Guanylate-binding proteins (GBPs) expressed downstream of type I IFN were required to restrict MNGC formation through inhibition of bacterial Arp2/3-dependent actin motility during infection. GTPase activity and the CAAX prenylation domain were required for GBP2 recruitment to B. thailandensis, which restricted bacterial actin polymerization required for MNGC formation. Consistent with the effects in in vitro macrophages, Gbp2-/-, Gbp5-/-, GbpChr3-KO mice were more susceptible to intranasal infection with B. thailandensis than wildtype mice. Our findings reveal that IFN and GBPs play a critical role in restricting cell-cell fusion and bacteria-induced pathology during infection.
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Affiliation(s)
- David E. Place
- Department of Immunology, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
| | - Benoit Briard
- Department of Immunology, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
| | - Parimal Samir
- Department of Immunology, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
| | - Rajendra Karki
- Department of Immunology, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
| | - Anannya Bhattacharya
- Department of Immunology, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
| | - Clifford S. Guy
- Department of Immunology, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
| | - Jennifer L. Peters
- Cell and Tissue Imaging Center, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
| | - Sharon Frase
- Cell and Tissue Imaging Center, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
| | - Peter Vogel
- Veterinary Pathology Core, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
| | - Geoffrey Neale
- Hartwell Center for Bioinformatics & Biotechnology, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
| | - Masahiro Yamamoto
- Department of Immunoparasitology, Osaka University, 3–1 Yamadaoka, Suita, Osaka, Japan
| | - Thirumala-Devi Kanneganti
- Department of Immunology, St. Jude Children’s Research Hospital, Memphis, Tennessee, United States of America
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Dey D, Jingar P, Agrawal S, Shrivastava V, Bhattacharya A, Manhas J, Garg B, Ansari MT, Mridha AR, Sreenivas V, Khurana A, Sen S. Symphytum officinale augments osteogenesis in human bone marrow-derived mesenchymal stem cells in vitro as they differentiate into osteoblasts. J Ethnopharmacol 2020; 248:112329. [PMID: 31672526 DOI: 10.1016/j.jep.2019.112329] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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: 08/05/2019] [Revised: 10/11/2019] [Accepted: 10/19/2019] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Mesenchymal stem cells (MSCs) are multipotent stem cells possessing regenerative potential. Symphytum officinale (SO) is a medicinal plant and in homoeopathic literature, believed to accelerate bone healing. AIM OF THE STUDY This study aimed to determine if homoeopathic doses of SO could augment osteogenesis in MSCs as they differentiate into osteoblasts in vitro. MATERIALS AND METHODS Bone marrow samples were obtained from patients who underwent bone grafting procedures (n = 15). MSCs were isolated, expanded and characterized by flow cytometry (CD90, CD105). Cytotoxicity of SO was evaluated by MTT assay. Osteogenic differentiation was induced in MSCs with β-glycerophosphate, ascorbic acid and dexamethasone over 2 weeks. Different homoeopathic doses of SO (MT, 3C, 6C, 12C and 30C) were added to the basic differentiation medium (BDM) and efficiency of MSCs differentiating into osteoblasts were measured by evaluating expression of Osteocalcin using flow cytometry, and alkaline phosphatase activity using ELISA. Gene expression analyses for osteoblast markers (Runx-2, Osteopontin and Osteocalcin) were evaluated in differentiated osteoblasts using qPCR. RESULTS Flow cytometry (CD90, CD105) detected MSCs isolated from bone marrow (93-98%). MTT assay showed that the selected doses of SO did not induce any cytotoxicity in MSCs (24 hours). The efficiency of osteogenic differentiation (2 weeks) for different doses of Symphytum officinale was determined by flow cytometry (n = 10) for osteoblast marker, Osteocalcin, and most doses of Symphytum officinale enhanced osteogenesis. Interestingly, gene expression analysis for Runx-2 (n = 10), Osteopontin (n = 10), Osteocalcin (n = 10) and alkaline phosphatase activity (n = 8) also showed increased osteogenesis with the addition of Symphytum officinale to BDM, specially mother tincture. CONCLUSIONS Our findings suggest that homoeopathic dose (specially mother tincture) of Symphytum officinale has the potential to enhance osteogenesis.
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Affiliation(s)
- D Dey
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - P Jingar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - S Agrawal
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - V Shrivastava
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - A Bhattacharya
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - J Manhas
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - B Garg
- Department of Orthopaedics, All India Institute of Medical Sciences, New Delhi, India
| | - M T Ansari
- Department of Orthopaedics, All India Institute of Medical Sciences, New Delhi, India
| | - A R Mridha
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - V Sreenivas
- Department of Biostatistics, All India Institute of Medical Sciences, New Delhi, India
| | - A Khurana
- Central Council for Research in Homoeopathy, New Delhi, India
| | - S Sen
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India.
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Lercher A, Bhattacharya A, Popa AM, Caldera M, Schlapansky MF, Baazim H, Agerer B, Gürtl B, Kosack L, Májek P, Brunner JS, Vitko D, Pinter T, Genger JW, Orlova A, Pikor N, Reil D, Ozsvár-Kozma M, Kalinke U, Ludewig B, Moriggl R, Bennett KL, Menche J, Cheng PN, Schabbauer G, Trauner M, Klavins K, Bergthaler A. Type I Interferon Signaling Disrupts the Hepatic Urea Cycle and Alters Systemic Metabolism to Suppress T Cell Function. Immunity 2019; 51:1074-1087.e9. [PMID: 31784108 PMCID: PMC6926485 DOI: 10.1016/j.immuni.2019.10.014] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 09/10/2019] [Accepted: 10/25/2019] [Indexed: 12/12/2022]
Abstract
Infections induce complex host responses linked to antiviral defense, inflammation, and tissue damage and repair. We hypothesized that the liver, as a central metabolic hub, may orchestrate systemic metabolic changes during infection. We infected mice with chronic lymphocytic choriomeningitis virus (LCMV), performed RNA sequencing and proteomics of liver tissue, and integrated these data with serum metabolomics at different infection phases. Widespread reprogramming of liver metabolism occurred early after infection, correlating with type I interferon (IFN-I) responses. Viral infection induced metabolic alterations of the liver that depended on the interferon alpha/beta receptor (IFNAR1). Hepatocyte-intrinsic IFNAR1 repressed the transcription of metabolic genes, including Otc and Ass1, which encode urea cycle enzymes. This led to decreased arginine and increased ornithine concentrations in the circulation, resulting in suppressed virus-specific CD8+ T cell responses and ameliorated liver pathology. These findings establish IFN-I-induced modulation of hepatic metabolism and the urea cycle as an endogenous mechanism of immunoregulation. VIDEO ABSTRACT.
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Affiliation(s)
- Alexander Lercher
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Anannya Bhattacharya
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Alexandra M Popa
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Michael Caldera
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Moritz F Schlapansky
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Hatoon Baazim
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Benedikt Agerer
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Bettina Gürtl
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Lindsay Kosack
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Peter Májek
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Julia S Brunner
- Department of Thrombosis Research and Vascular Biology, Medical University of Vienna, 1090 Vienna, Austria; Christian Doppler Laboratory for Arginine Metabolism in Rheumatoid Arthritis and Multiple Sclerosis, 1090 Vienna, Austria
| | - Dijana Vitko
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria; Department of Urology, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Theresa Pinter
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria; Research Institute of Molecular Pathology (IMP), Vienna BioCenter (VBC), 1030 Vienna, Austria
| | - Jakob-Wendelin Genger
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Anna Orlova
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210 Vienna, Austria
| | - Natalia Pikor
- Institute of Immunobiology, Kantonsspital St. Gallen, 9007 St. Gallen, Switzerland
| | - Daniela Reil
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Maria Ozsvár-Kozma
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria; Department for Laboratory Medicine, Medical University of Vienna, 1090 Vienna, Austria
| | - Ulrich Kalinke
- Institute for Experimental Infection Research, TWINCORE, Centre for Experimental and Clinical Infection Research, a joint venture between the Helmholtz Centre for Infection Research, Braunschweig, and the Hannover Medical School, 30625 Hannover, Germany
| | - Burkhard Ludewig
- Institute of Immunobiology, Kantonsspital St. Gallen, 9007 St. Gallen, Switzerland
| | - Richard Moriggl
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; Medical University of Vienna, 1090 Vienna, Austria
| | - Keiryn L Bennett
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Jörg Menche
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Paul N Cheng
- Bio-Cancer Treatment International Limited, Hong Kong, China
| | - Gernot Schabbauer
- Department of Thrombosis Research and Vascular Biology, Medical University of Vienna, 1090 Vienna, Austria; Christian Doppler Laboratory for Arginine Metabolism in Rheumatoid Arthritis and Multiple Sclerosis, 1090 Vienna, Austria
| | - Michael Trauner
- Division of Gastroenterology & Hepatology, Department of Internal Medicine III, Medical University of Vienna, 1090 Vienna, Austria
| | - Kristaps Klavins
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria
| | - Andreas Bergthaler
- CeMM Research Center for Molecular Medicine or the Austrian Academy of Sciences, Lazarettgasse 14 AKH BT25.3, 1090 Vienna, Austria.
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Singh U, Mani A, James K, Rao MB, Bhattacharya A. Effects of Heat Exposure from Live-Burn Fire Training on Postural Stability of Firefighters. Ergon Int J 2019; 3. [PMID: 31815252 DOI: 10.23880/eoji-16000213] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Firefighters perform physically intensive jobs in suboptimal environments, making it even more important for them to maintain good functional postural balance or stability. As part of their training, firefighters are required to perform physically demanding tasks under high stress and high heat environments. These demanding tasks lead to increased physical fatigue which can then result in poor performance and/or postural instability. The objectives of this study were to 1) investigate the effect of live-firefighting training-induced heat stress on static postural balance, and 2) investigate the association between commonly monitored physiological responses (core body temperature, heart rate, oxygen saturation and blood pressure) and measures of static postural balance. Twenty-six firefighters (mean ± SD: age 36.0 years ±5.2, weight 216 lbs. ± 34, BMI 29.7 ± 4.2) participated in live firefighting training while performing following tasks: search and rescue, hose advancement, and backup. Prior to heat exposure (PRE) and following each scenario (POST1, POST2, POST3), firefighters' postural balance was assessed with a wearable 3-D inertial sensor system quantifying time dependent changes in linear acceleration (LIN ACC) and angular velocity (AV) about three orthogonal axes [Anterior-Posterior (AP), Medial-Lateral (ML), and vertical (V)] during one foot balance tests for 30 seconds under eyes open and eyes closed conditions. The outcome variables from 3-D wearable sensors were used to create 3-D Phase-Plane based postural stability metrics. Physiological measurement of core body temperature (CBT) (measured with a radio pill) as well as perception of heat increased significantly during the live fire-training exercise. In addition, firefighters also perceived an increase in physical fatigue and respiratory distress. Angular combined stability parameters (ACSP), RMS angular velocity around ML axis were significantly correlated with CBT. In the multivariate analysis adjusted for the scenarios, height and weight of the firefighters, these measures of static postural balance were significantly associated with CBT. As per the model results, static postural balance, as indicated by ACSP, worsened with an increase in CBT. Future studies should place sensors at body extremities along with close to center of mass to capture the kinematic movements more comprehensively influencing postural balance.
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Affiliation(s)
- U Singh
- Dept of Internal Medicine, University of Cincinnati College of Medicine, USA
| | - A Mani
- Dept of Environmental Health, University of Cincinnati College of Medicine, USA
| | - K James
- Dept of Environmental Health, University of Cincinnati College of Medicine, USA
| | - M B Rao
- Dept of Environmental Health, University of Cincinnati College of Medicine, USA
| | - A Bhattacharya
- Dept of Environmental Health, University of Cincinnati College of Medicine, USA
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Kumar R, Mittal BR, Bhattacharya A, Vadi SK, Singh H, Bal A, Shukla J, Singh H, Sharma V, Sood A, Singh SK. Positron emission tomography/computed tomography guided percutaneous biopsies of Ga-68 avid lesions using an automated robotic arm. Diagn Interv Imaging 2019; 101:157-167. [PMID: 31722844 DOI: 10.1016/j.diii.2019.10.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [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: 07/23/2019] [Revised: 10/09/2019] [Accepted: 10/15/2019] [Indexed: 12/11/2022]
Abstract
PURPOSE The purpose of this prospective study was to evaluate the feasibility of positron emission tomography/computed tomography (PET/CT)-guided biopsy of Ga-68 avid lesions using an automated robotic arm and determine the diagnostic yield of this technique. MATERIAL AND METHODS Patients who underwent Ga-68 labelled tracers imaging followed by PET/CT-guided biopsies of tracer-avid lesions were prospectively included. Biopsies were performed using a dedicated automated-robotic-arm assisted PET/CT-guided biopsy device on the same-day of diagnostic PET/CT-imaging. The tissue samples were retrieved after confirming the position of needle-tip in the target lesion. Procedure-related complications and radiation exposure of the interventionist were recorded. Histopathological reports were reviewed for diagnostic yield. RESULTS A total of 25 patients (19 men, six women) with a mean age of 50.8±17.3 (SD) years (range: 17-83 years) were included. The biopsies were performed after PET/CT using Ga-68 DOTANOC (n=16) or Ga-68 PSMA (n=8) and Ga-68 chemokine-analogue (n=1). The biopsy samples were obtained from the liver (n=9), bone (n=8), lymph-nodes (n=3), lung (n=1), pancreas (n=1), anterior mediastinal lesion (n=1), peritoneal-deposit (n=1) and thigh-lesion (n=1). No immediate or delayed procedure-related complications were documented in any patient. PET/CT-guided molecular sampling was technically successful in all the patients. Histopathology revealed malignancies in all the biopsied specimens without the need for repeat sampling or further invasive-diagnostic workup, with a diagnostic yield of 100%. The estimated absorbed-radiation dose was 566.7μSv/year for the interventionist. CONCLUSION PET/CT-guided molecular biopsy using Ga-68 labelled radiotracers is feasible and can be performed safely and accurately with a high-diagnostic yield. It is helpful in accurately staging the disease when tracer-avid isolated distant lesion evident on imaging and highly practical in patients with previous inconclusive sampling.
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Affiliation(s)
- R Kumar
- Department of Nuclear Medicine and PET/CT, Post Graduate Institute of Medical Education and Research, 160012 Chandigarh, India
| | - B R Mittal
- Department of Nuclear Medicine and PET/CT, Post Graduate Institute of Medical Education and Research, 160012 Chandigarh, India.
| | - A Bhattacharya
- Department of Nuclear Medicine and PET/CT, Post Graduate Institute of Medical Education and Research, 160012 Chandigarh, India
| | - S K Vadi
- Department of Nuclear Medicine and PET/CT, Post Graduate Institute of Medical Education and Research, 160012 Chandigarh, India
| | - H Singh
- Department of Nuclear Medicine and PET/CT, Post Graduate Institute of Medical Education and Research, 160012 Chandigarh, India
| | - A Bal
- Department of Pathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - J Shukla
- Department of Nuclear Medicine and PET/CT, Post Graduate Institute of Medical Education and Research, 160012 Chandigarh, India
| | - H Singh
- Department of Surgery, Post Graduate Institute of Medical Education and Research, 160012 Chandigarh, India
| | - V Sharma
- Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, 160012 Chandigarh, India
| | - A Sood
- Department of Nuclear Medicine and PET/CT, Post Graduate Institute of Medical Education and Research, 160012 Chandigarh, India
| | - S K Singh
- Department of Urology, Post Graduate Institute of Medical Education and Research, 160012 Chandigarh, India
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Samir P, Kesavardhana S, Patmore DM, Gingras S, Malireddi RKS, Karki R, Guy CS, Briard B, Place DE, Bhattacharya A, Sharma BR, Nourse A, King SV, Pitre A, Burton AR, Pelletier S, Gilbertson RJ, Kanneganti TD. DDX3X acts as a live-or-die checkpoint in stressed cells by regulating NLRP3 inflammasome. Nature 2019; 573:590-594. [PMID: 31511697 PMCID: PMC6980284 DOI: 10.1038/s41586-019-1551-2] [Citation(s) in RCA: 231] [Impact Index Per Article: 46.2] [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: 11/27/2018] [Accepted: 08/07/2019] [Indexed: 12/28/2022]
Abstract
The cellular stress response has a vital role in regulating homeostasis by modulating cell survival and death. Stress granules are cytoplasmic compartments that enable cells to survive various stressors. Defects in the assembly and disassembly of stress granules are linked to neurodegenerative diseases, aberrant antiviral responses and cancer1-5. Inflammasomes are multi-protein heteromeric complexes that sense molecular patterns that are associated with damage or intracellular pathogens, and assemble into cytosolic compartments known as ASC specks to facilitate the activation of caspase-1. Activation of inflammasomes induces the secretion of interleukin (IL)-1β and IL-18 and drives cell fate towards pyroptosis-a form of programmed inflammatory cell death that has major roles in health and disease6-12. Although both stress granules and inflammasomes can be triggered by the sensing of cellular stress, they drive contrasting cell-fate decisions. The crosstalk between stress granules and inflammasomes and how this informs cell fate has not been well-studied. Here we show that the induction of stress granules specifically inhibits NLRP3 inflammasome activation, ASC speck formation and pyroptosis. The stress granule protein DDX3X interacts with NLRP3 to drive inflammasome activation. Assembly of stress granules leads to the sequestration of DDX3X, and thereby the inhibition of NLRP3 inflammasome activation. Stress granules and the NLRP3 inflammasome compete for DDX3X molecules to coordinate the activation of innate responses and subsequent cell-fate decisions under stress conditions. Induction of stress granules or loss of DDX3X in the myeloid compartment leads to a decrease in the production of inflammasome-dependent cytokines in vivo. Our findings suggest that macrophages use the availability of DDX3X to interpret stress signals and choose between pro-survival stress granules and pyroptotic ASC specks. Together, our data demonstrate the role of DDX3X in driving NLRP3 inflammasome and stress granule assembly, and suggest a rheostat-like mechanistic paradigm for regulating live-or-die cell-fate decisions under stress conditions.
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Affiliation(s)
- Parimal Samir
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Sannula Kesavardhana
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Deanna M Patmore
- Cancer Research UK Cambridge Institute, Li Ka Shing Centre, Cambridge, UK
| | - Sebastien Gingras
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
- Department of Immunology, University of Pittsburgh, School of Medicine, Pittsburgh, PA, USA
| | | | - Rajendra Karki
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Clifford S Guy
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Benoit Briard
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - David E Place
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Anannya Bhattacharya
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Bhesh Raj Sharma
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Amanda Nourse
- The Molecular Interaction Shared Resource, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Sharon V King
- Cell and Tissue Imaging Center, Light Microscopy Division, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Aaron Pitre
- Cell and Tissue Imaging Center, Light Microscopy Division, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Amanda R Burton
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Stephane Pelletier
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN, USA
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Mehta R, Brahmbhatt H, Bhojani G, Mukherjee M, Bhattacharya A. Poly(piperizinamide) with copper ion composite membranes: Application for mitigation of Hexaconazole from water and combat microbial contamination. J Hazard Mater 2019; 376:102-111. [PMID: 31125940 DOI: 10.1016/j.jhazmat.2019.05.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [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: 03/14/2019] [Revised: 05/13/2019] [Accepted: 05/14/2019] [Indexed: 06/09/2023]
Abstract
Thin film Poly(piperazine-amide) composite membranes using sequential interfacial polymerization with tuning by Cu2+ have brought significant findings in it. The hydrophobicity is relatively enhanced for the copper containing membranes. The membrane in which copper solution is applied prior to piperizine (Memb-III) exhibits higher hydrophobicity where as membrane (Memb-II) in which copper solution is applied following piperizine, possesses higher roughness compared to other two. Filtration experiments in terms of salts, mono/disaccharides and hexaconazole indicate that modified membranes are of different behaviours according to their sequence of preparative methods. Memb-III has shown lower SO4=/Cl- selectivity compared to Memb-II (i.e. 3.92), though they are in different range. The unmodified membrane (Memb-I) exhibits SO4=/Cl- selectivity 3.23 is in the same scale of Memb-III (2.27). Memb-III exhibits higher hexaconazole separation (91.5%) compared to Memb-II (i.e. 53.9%). The flux decline follows the order: field water > tap water > deionized water. The copper incorporated membrane (Memb-II) has shown a low flux decline compared to Memb-III as well as Memb-I. The antibacterial properties towards E. Coli and Bacillus subtilis are well reflected. The copper containing membranes have promising antibacterial properties and follows the order Memb-II > Memb-III > Memb-I.
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Affiliation(s)
- Romil Mehta
- Membrane Science and Separation Technology Division, Bhavnagar, 364002 Gujarat, India
| | - H Brahmbhatt
- Analytical and Environmental Science Division and Centralized Instrument Facility, Council of Scientific & Industrial Research-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI), Bhavnagar, 364002 Gujarat, India
| | - Gopal Bhojani
- Membrane Science and Separation Technology Division, Bhavnagar, 364002 Gujarat, India
| | - M Mukherjee
- Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata, 700064, W. Bengal, India
| | - A Bhattacharya
- Membrane Science and Separation Technology Division, Bhavnagar, 364002 Gujarat, India.
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Mukhopadhyay S, Mehta R, Paidi MK, Mandal SK, Bhattacharya A. Development of Hg2+ colorimetric sensor using polymeric membrane. SEP SCI TECHNOL 2018. [DOI: 10.1080/01496395.2018.1547762] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Sarbartha Mukhopadhyay
- Marine Biotechnology and Phycology Division, CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), Bhavnagar, Gujarat, India
| | - Romil Mehta
- Membrane Science and Separation Technology Division, CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), Bhavnagar, Gujarat, India
| | - Murali Krishna Paidi
- Marine Biotechnology and Phycology Division, CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), Bhavnagar, Gujarat, India
| | - Subir Kumar Mandal
- Marine Biotechnology and Phycology Division, CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), Bhavnagar, Gujarat, India
| | - A. Bhattacharya
- Membrane Science and Separation Technology Division, CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific & Industrial Research (CSIR), Bhavnagar, Gujarat, India
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Camacho D, Lee Y, Lukens E, Bhattacharya A, Vargas L, Kimberly L. LIFE SATISFACTION AMONG MEXICAN ELDERS: FINDINGS FROM THE STUDY ON GLOBAL AGEING AND ADULT HEALTH WAVE 1. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.2413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
| | - Y Lee
- University of Alabama, Birmingham
| | - E Lukens
- Columbia University School of Social Work
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Camacho D, Lukens E, Lee Y, Bhattacharya A, Vargas L, Kimberly L. MEXICAN ELDERS AND SOCIAL ISOLATION: EXPLORING THE RELATIONSHIP WITH HEALTH, HEALTHCARE UTILIZATION AND VIOLENCE. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.2463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
| | - E Lukens
- Columbia University School of Social Work
| | - Y Lee
- University of Alabama, Birmingham
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Fan B, Bhattacharya A, Bandaru PR. Enhanced voltage generation through electrolyte flow on liquid-filled surfaces. Nat Commun 2018; 9:4050. [PMID: 30283012 PMCID: PMC6170469 DOI: 10.1038/s41467-018-06297-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 08/28/2018] [Indexed: 11/10/2022] Open
Abstract
The generation of electrical voltage through the flow of an electrolyte over a charged surface may be used for energy transduction. Here, we show that enhanced electrical potential differences (i.e., streaming potential) may be obtained through the flow of salt water on liquid-filled surfaces that are infiltrated with a lower dielectric constant liquid, such as oil, to harness electrolyte slip and associated surface charge. A record-high figure of merit, in terms of the voltage generated per unit applied pressure, of 0.043 mV Pa−1 is obtained through the use of the liquid-filled surfaces. In comparison with air-filled surfaces, the figure of merit associated with the liquid-filled surface increases by a factor of 1.4. These results lay the basis for innovative surface charge engineering methodology for the study of electrokinetic phenomena at the microscale, with possible application in new electrical power sources. Superhydrophobic surfaces are expected to increase streaming potential, but are hindered by the presence of air. Here the authors enhance streaming potential by flowing high-dielectric salt water over liquid-filled surfaces infiltrated with low-dielectric liquid, harnessing electric slip and surface charge.
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Affiliation(s)
- B Fan
- Department of Mechanical Engineering, University of California, San Diego, La Jolla, 92093-0411, CA, USA
| | - A Bhattacharya
- Department of Mechanical Engineering, University of California, San Diego, La Jolla, 92093-0411, CA, USA
| | - P R Bandaru
- Department of Mechanical Engineering, University of California, San Diego, La Jolla, 92093-0411, CA, USA. .,Program in Materials Science, University of California, San Diego, La Jolla, 92093-0411, CA, USA.
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Arora R, Rahman R, Joe W, Bakhshi S, Radhakrishnan V, Mahajan A, Chinnaswamy G, Bhattacharya A, Swami A, Manglani M, Seth R, Singh A, De S, MS L, Raj R, Borker A, Martiniuk A, Tsimicalis A. Families of Children Newly Diagnosed With Cancer Incur Significant Out-of-Pocket Expenditure for Treatment: Report of a Multi-Site Prospective Longitudinal Study From India (INPOG-ACC-16-01). J Glob Oncol 2018. [DOI: 10.1200/jgo.18.42400] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background: Diagnosis of cancer in a child places considerable economic burden on families. The health expenditures are more catastrophic in resource limited countries like India where GDP spend on health is just over 1% and financing of treatment is usually out-of-pocket (OOP). Consequently parents may abandon their child's cancer treatment to ensure financial sustainability of the family. Research in this area is mostly from resource rich countries and OOP expenditure burden remains unknown in India. Aim: The objective of this study is to describe the OOP expenditure incurred by families of children (< 18 years age) with cancer being treated in India prior to and during cancer directed treatment. Methods: A prospective cost of illness study from a family household perspective was conducted in 14 centers (5 public, 5 private and 4 charitable trust sector) in 4 cities in India from 2016-2018. Baseline family demographic and socioeconomic data were collected followed by OOP expenditure incurred prior to start of treatment. For the duration of the child's treatment, a social worker contacted parents at regular intervals to record their expenditure on cancer directed treatment. Data collection was stopped when one of these happened - completion of treatment or death or progression/relapse or abandonment or transfer. Data were described descriptively and a univariate/multivariate analysis using logistic regression was done to detect factors associated with OOP expenditure. Results: 394 children (63% male, median age 5 years) with cancer (64% leukemia/lymphoma, 33% solid tumors, 3% CNS tumors) were enrolled from public (45%), charitable trust (28%) and private (27%) sector hospitals. They were symptomatic for a median duration of 6 weeks (range 0 to 104 weeks). 88% had no insurance and 73% were from families with monthly income of ≤ 10,000 rupees (≤ 159 US$). Mean OOP expenditure was Rs 209,500 (3325 US$) which is 195% of per capita income (1706 US$) of India. OOP expenditure from onset of symptoms to start of treatment was Rs 53,104 (843 US$) of which 77% was medical (15% laboratory tests, 11% medicines, 9% hospital bed costs) and 23% nonmedical (12% travel, 6% food, 3% lodging). OOP expenditure on cancer directed treatment was Rs 156,396 (2482 US$) of which 64% was medical (9% hospital bed costs, 9% supportive care drugs, 8% laboratory tests) and 36% nonmedical (19% food, 9% travel, 6% lodging). On univariate analysis age, gender, city, type of treatment facility, insurance, type of cancer, driving time and distance were significantly associated with OOP expenditure but only insurance and type of treatment facility were found significant on multivariate analysis. Conclusion: Families of children with cancer incur significant OOP expenditure prior to and during cancer directed treatment, which includes a significant portion on nonmedical expenses. Expenditure varied significantly by insurance and type of treatment facility.
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Affiliation(s)
- R. Arora
- Max Super Speciality Hospital, New Delhi, India
| | - R.U. Rahman
- Max Super Speciality Hospital, New Delhi, India
| | - W. Joe
- Max Super Speciality Hospital, New Delhi, India
| | - S. Bakhshi
- Max Super Speciality Hospital, New Delhi, India
| | | | - A. Mahajan
- Max Super Speciality Hospital, New Delhi, India
| | | | | | - A. Swami
- Max Super Speciality Hospital, New Delhi, India
| | - M. Manglani
- Max Super Speciality Hospital, New Delhi, India
| | - R. Seth
- Max Super Speciality Hospital, New Delhi, India
| | - A. Singh
- Max Super Speciality Hospital, New Delhi, India
| | - S. De
- Max Super Speciality Hospital, New Delhi, India
| | - L. MS
- Sri Ramachandra Medical College and Research Institute, Chennai, India
| | - R. Raj
- Apollo Speciality Cancer Hospital, Chennai, India
| | - A. Borker
- Asian Institute of Oncology, Mumbai, India
| | - A. Martiniuk
- The George Institute for Global Health, Sydney, Australia
- University of Sydney, Faculty of Medicine, Sydney, Australia
| | - A. Tsimicalis
- Ingram School of Nursing, McGill University, Montreal, Canada
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Deng A, Pattanaik S, Bhattacharya A, Yin J, Ross L, Liu C, Zhang J. Fish consumption is associated with a decreased risk of death among adults with diabetes: 18-year follow-up of a national cohort. Nutr Metab Cardiovasc Dis 2018; 28:1012-1020. [PMID: 30017435 DOI: 10.1016/j.numecd.2018.05.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Revised: 05/22/2018] [Accepted: 05/22/2018] [Indexed: 12/19/2022]
Abstract
BACKGROUND There is a paucity of studies examining the beneficial effects of fish consumption on cardiovascular diseases (CVDs) among adults with diabetes, who experience a substantially high risk of CVDs. METHODS AND RESULTS We analyzed the data of 1136 adults with diabetes mellitus aged 18 years and older who participated in the National Health and Nutrition Examination Survey, 1988-1994, and were followed up through December 31, 2010. We used Cox regression to estimate the adjusted hazard ratios (HRs) for the relative risk across the levels of fish consumption. A total of 698 deaths were recorded at the end of 11,465 person-years follow-up with a mortality rate of 60.88 per 1000 person-years. CVDs were listed as a contributing cause for 326 deaths, thus accounting for 46.4% of total deaths. Stroke-specific mortality rate among patients who ate fish less than once a week was more than twice as high as that among patients who ate fish more than twice a week, 6.23 vs. 2.36 per 1000 person-years, respectively. The corresponding CVD-specific rate was 34.38 vs. 22.99 per 1000 person-years, respectively. The adjusted HRs of death due to stroke were 1.00 (reference), 0.55 (95% confidence interval = 0.28-1.07), and 0.30 (0.11-0.80) among patients who ate fish <1, 1-2, and 2 + times a week, and the corresponding HRs of death due to CVDs were 1.00 (reference), 0.78 (0.60-1.02), and 0.69 (0.50-0.96), respectively. CONCLUSIONS A high consumption of fish was associated with a low risk of death due to CVDs, especially stroke, among adults with diabetes.
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Affiliation(s)
- A Deng
- Department of Epidemiology, Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, GA, 30460, USA
| | - S Pattanaik
- Department of Health Education and Community Health, Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, GA, 30460, USA
| | - A Bhattacharya
- Department of Epidemiology, Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, GA, 30460, USA
| | - J Yin
- Department of Biostatistics, Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, GA, 30460, USA
| | - L Ross
- The University of Alabama, Health Science, 461 Russell Hall, Box 870311, Tuscaloosa, AL, 35487, USA
| | - C Liu
- Department of Biostatistics, Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, GA, 30460, USA
| | - J Zhang
- Department of Epidemiology, Jiann-Ping Hsu College of Public Health, Georgia Southern University, Statesboro, GA, 30460, USA.
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Affiliation(s)
- Mayank Saxena
- Membrane Science & Separation Technology Division, CSIR-Central Salt & Marine Chemicals Research Institute (CSIR-CSMCRI), Council of Scientific & Industrial Research (CSIR), Bhavnagar, India
| | - Sanjay G. Chaudhri
- Membrane Science & Separation Technology Division, CSIR-Central Salt & Marine Chemicals Research Institute (CSIR-CSMCRI), Council of Scientific & Industrial Research (CSIR), Bhavnagar, India
| | - Arun K. Das
- Analytical and Environmental Science Division and Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute (CSIR-CSMCRI), Council of Scientific & Industrial Research (CSIR), Bhavnagar, India
| | - Puyam S. Singh
- Membrane Science & Separation Technology Division, CSIR-Central Salt & Marine Chemicals Research Institute (CSIR-CSMCRI), Council of Scientific & Industrial Research (CSIR), Bhavnagar, India
| | - A. Bhattacharya
- Membrane Science & Separation Technology Division, CSIR-Central Salt & Marine Chemicals Research Institute (CSIR-CSMCRI), Council of Scientific & Industrial Research (CSIR), Bhavnagar, India
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Chaturvedi S, Bhattacharya A, Khare SK. Trends in Oil Production from Oleaginous Yeast Using Biomass: Biotechnological Potential and Constraints. APPL BIOCHEM MICRO+ 2018. [DOI: 10.1134/s000368381804004x] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Purkait S, Bhattacharya A, Bag A, Chattopadhyay RR. Antibacterial and Antioxidant Potential of Essential Oils of Five Spices. J Food Qual Hazards Control 2018. [DOI: 10.29252/jfqhc.5.2.6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
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Bhattacharya A, Nsonwu O, Johnson A, Hope R. Estimating the incidence and 30-day all-cause mortality rate of Escherichia coli bacteraemia in England by 2020/21. J Hosp Infect 2018; 98:228-231. [DOI: 10.1016/j.jhin.2017.09.021] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 09/25/2017] [Indexed: 11/26/2022]
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Khamina K, Lercher A, Caldera M, Schliehe C, Vilagos B, Sahin M, Kosack L, Bhattacharya A, Májek P, Stukalov A, Sacco R, James LC, Pinschewer DD, Bennett KL, Menche J, Bergthaler A. Characterization of host proteins interacting with the lymphocytic choriomeningitis virus L protein. PLoS Pathog 2017; 13:e1006758. [PMID: 29261807 PMCID: PMC5738113 DOI: 10.1371/journal.ppat.1006758] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 11/17/2017] [Indexed: 01/10/2023] Open
Abstract
RNA-dependent RNA polymerases (RdRps) play a key role in the life cycle of RNA viruses and impact their immunobiology. The arenavirus lymphocytic choriomeningitis virus (LCMV) strain Clone 13 provides a benchmark model for studying chronic infection. A major genetic determinant for its ability to persist maps to a single amino acid exchange in the viral L protein, which exhibits RdRp activity, yet its functional consequences remain elusive. To unravel the L protein interactions with the host proteome, we engineered infectious L protein-tagged LCMV virions by reverse genetics. A subsequent mass-spectrometric analysis of L protein pulldowns from infected human cells revealed a comprehensive network of interacting host proteins. The obtained LCMV L protein interactome was bioinformatically integrated with known host protein interactors of RdRps from other RNA viruses, emphasizing interconnected modules of human proteins. Functional characterization of selected interactors highlighted proviral (DDX3X) as well as antiviral (NKRF, TRIM21) host factors. To corroborate these findings, we infected Trim21-/- mice with LCMV and found impaired virus control in chronic infection. These results provide insights into the complex interactions of the arenavirus LCMV and other viral RdRps with the host proteome and contribute to a better molecular understanding of how chronic viruses interact with their host. RNA-dependent RNA-polymerases (RdRps) play a key role in the life cycle of RNA viruses. They interact with cellular proteins during replication and transcription processes and impact the immunobiology of viral infections. This study characterized the host protein interactome of the RdRp-containing L protein of the prototypic arenavirus lymphocytic choriomeningitis virus (LCMV). Several L protein interactors with proviral and antiviral effects were identified in vitro, and mice lacking the identified L protein interactor TRIM21 exhibited impaired control of chronic LCMV infection. Integration of the L protein interactomes with known RdRp interactomes from other RNA viruses highlighted common and virus-specific strategies to interact with the host proteome, which may indicate novel avenues for antiviral interventions.
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Affiliation(s)
- Kseniya Khamina
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse, Vienna, Austria
| | - Alexander Lercher
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse, Vienna, Austria
| | - Michael Caldera
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse, Vienna, Austria
| | - Christopher Schliehe
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse, Vienna, Austria
| | - Bojan Vilagos
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse, Vienna, Austria
| | - Mehmet Sahin
- University of Basel, Department of Biomedicine–Haus Petersplatz, Division of Experimental Virology, Basel, Switzerland
| | - Lindsay Kosack
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse, Vienna, Austria
| | - Anannya Bhattacharya
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse, Vienna, Austria
| | - Peter Májek
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse, Vienna, Austria
| | - Alexey Stukalov
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse, Vienna, Austria
| | - Roberto Sacco
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse, Vienna, Austria
| | - Leo C. James
- Division of Protein and Nucleic Acid Chemistry, Medical Research Council Laboratory of Molecular Biology, Cambridge, United Kingdom
| | - Daniel D. Pinschewer
- University of Basel, Department of Biomedicine–Haus Petersplatz, Division of Experimental Virology, Basel, Switzerland
| | - Keiryn L. Bennett
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse, Vienna, Austria
| | - Jörg Menche
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse, Vienna, Austria
| | - Andreas Bergthaler
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Lazarettgasse, Vienna, Austria
- * E-mail:
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Chanana R, Noronha V, Joshi A, Patil V, Dhumal S, Bhattacharya A, Chandrasekharan A, Pande N, Talreja V, Turkar S, Shrirangwar S, Prabhash K. QOL analysis of a phase II randomized controlled clinical trial comparing efficacy of cabazitaxel versus docetaxel as second line or above therapy in recurrent head and neck cancer. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx665.006] [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: 11/14/2022] Open
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Jain TK, Jois AGA, Basher RK, Dhatt SS, Bhattacharya A, Mittal BR. Isolated osteomielitis of the humerus diagnosed with 18F-FDG PET/CT. Rev Esp Med Nucl Imagen Mol 2017; 37:123-124. [PMID: 28927703 DOI: 10.1016/j.remn.2017.02.009] [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: 12/04/2016] [Revised: 02/21/2017] [Accepted: 02/22/2017] [Indexed: 11/26/2022]
Affiliation(s)
- T K Jain
- Department of Nuclear Medicine and PET, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - A G A Jois
- Department of Nuclear Medicine and PET, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - R K Basher
- Department of Nuclear Medicine and PET, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - S S Dhatt
- Department of Orthopedics, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - A Bhattacharya
- Department of Nuclear Medicine and PET, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - B R Mittal
- Department of Nuclear Medicine and PET, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
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Affiliation(s)
- A. Bhattacharya
- Ryerson University, Department of Mechanical and Industrial Engineering 350 Victoria Street, Toronto, Ontario, Canada M5B 2K3
| | - S. D. Yu
- Ryerson University, Department of Mechanical and Industrial Engineering 350 Victoria Street, Toronto, Ontario, Canada M5B 2K3
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Fernandes GS, Bhattacharya A, McWilliams DF, Ingham SL, Doherty M, Zhang W. Risk prediction model for knee pain in the Nottingham community: a Bayesian modelling approach. Arthritis Res Ther 2017; 19:59. [PMID: 28320477 PMCID: PMC5359844 DOI: 10.1186/s13075-017-1272-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Accepted: 02/27/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Twenty-five percent of the British population over the age of 50 years experiences knee pain. Knee pain can limit physical ability and cause distress and bears significant socioeconomic costs. The objectives of this study were to develop and validate the first risk prediction model for incident knee pain in the Nottingham community and validate this internally within the Nottingham cohort and externally within the Osteoarthritis Initiative (OAI) cohort. METHODS A total of 1822 participants from the Nottingham community who were at risk for knee pain were followed for 12 years. Of this cohort, two-thirds (n = 1203) were used to develop the risk prediction model, and one-third (n = 619) were used to validate the model. Incident knee pain was defined as pain on most days for at least 1 month in the past 12 months. Predictors were age, sex, body mass index, pain elsewhere, prior knee injury and knee alignment. A Bayesian logistic regression model was used to determine the probability of an OR >1. The Hosmer-Lemeshow χ2 statistic (HLS) was used for calibration, and ROC curve analysis was used for discrimination. The OAI cohort from the United States was also used to examine the performance of the model. RESULTS A risk prediction model for knee pain incidence was developed using a Bayesian approach. The model had good calibration, with an HLS of 7.17 (p = 0.52) and moderate discriminative ability (ROC 0.70) in the community. Individual scenarios are given using the model. However, the model had poor calibration (HLS 5866.28, p < 0.01) and poor discriminative ability (ROC 0.54) in the OAI cohort. CONCLUSIONS To our knowledge, this is the first risk prediction model for knee pain, regardless of underlying structural changes of knee osteoarthritis, in the community using a Bayesian modelling approach. The model appears to work well in a community-based population but not in individuals with a higher risk for knee osteoarthritis, and it may provide a convenient tool for use in primary care to predict the risk of knee pain in the general population.
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Affiliation(s)
- G. S. Fernandes
- Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, Nottingham, UK
- Arthritis Research UK Centre for Sport, Exercise and Osteoarthritis, Nottingham, UK
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK
- Academic Rheumatology, School of Medicine, Nottingham University, Nottingham City Hospital, Nottingham, NG5 1PB UK
| | - A. Bhattacharya
- Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, Nottingham, UK
- Arthritis Research UK Centre for Sport, Exercise and Osteoarthritis, Nottingham, UK
- Academic Rheumatology, School of Medicine, Nottingham University, Nottingham City Hospital, Nottingham, NG5 1PB UK
| | - D. F. McWilliams
- Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, Nottingham, UK
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK
- Academic Rheumatology, School of Medicine, Nottingham University, Nottingham City Hospital, Nottingham, NG5 1PB UK
| | - S. L. Ingham
- Faculty of Life Sciences, University of Manchester, Carys Bannister Building, Dover Street, Manchester, M13 9PL UK
| | - M. Doherty
- Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, Nottingham, UK
- Arthritis Research UK Centre for Sport, Exercise and Osteoarthritis, Nottingham, UK
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK
- Academic Rheumatology, School of Medicine, Nottingham University, Nottingham City Hospital, Nottingham, NG5 1PB UK
| | - W. Zhang
- Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, Nottingham, UK
- Arthritis Research UK Centre for Sport, Exercise and Osteoarthritis, Nottingham, UK
- Arthritis Research UK Pain Centre, University of Nottingham, Nottingham, UK
- Academic Rheumatology, School of Medicine, Nottingham University, Nottingham City Hospital, Nottingham, NG5 1PB UK
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Kumar Jain T, Sood A, Kumar Basher R, Bhattacharya A, Rai Mittal B, Aggarwal A. “Pine tree” appearance on 18 F-FDG PET/CT MIP image in spinal tuberculosis. Rev Esp Med Nucl Imagen Mol 2017. [DOI: 10.1016/j.remnie.2016.07.012] [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]
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Karam E, Shivji FS, Bhattacharya A, Bryson DJ, Forward DP, Scammell BE, Ollivere BJ. A cross-sectional study of the impact of physiotherapy and self directed exercise on the functional outcome of internally fixed isolated unimalleolar Weber B ankle fractures. Injury 2017; 48:531-535. [PMID: 27889109 DOI: 10.1016/j.injury.2016.11.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Revised: 10/29/2016] [Accepted: 11/16/2016] [Indexed: 02/02/2023]
Abstract
This study aimed to measure the functional outcome and quality of life in a group of patients with the same fracture type (unimalleolar Weber B ankle fractures) treated operatively at various time points and to explore the determinants of such outcomes. A cross-sectional retrospective population study was conducted. Validated Patient Related Outcome Measures (PROMs) and patient interviews were used. Fifty-one patients were included with a mean age of 54.9 years. Mean follow-up was 25 months (range 4-46 months). Mean functional scores were high (mean AOFAS 79.2, O&M 75.7, VAS-FA 80.5). However, 32% of patients did not classify themselves as fully recovered during interviews. Patient reported self-directed exercise had a statistically significant positive effect on self-reported patient perceptions of outcome (p=0.022) and PROMs (AOFAS p=0.01, O&M p=0.016, VAS-FA p=0.011). Formal physiotherapy rehabilitation was found to have no effect on self-reported patient perceptions (p=0.242) or PROMs (AOFAS p=0.8, O&M p=0.73, VAS-FA p=0.46). Our finding that physical activity is associated with improved outcome would suggest structured exercise programmes should be considered in place of physiotherapy to optimise patient outcomes.
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Affiliation(s)
- E Karam
- University of Nottingham and Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - F S Shivji
- University of Nottingham and Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - A Bhattacharya
- University of Nottingham and Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - D J Bryson
- University of Nottingham and Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - D P Forward
- University of Nottingham and Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - B E Scammell
- University of Nottingham and Nottingham University Hospitals NHS Trust, Nottingham, UK.
| | - B J Ollivere
- University of Nottingham and Nottingham University Hospitals NHS Trust, Nottingham, UK
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Manhas J, Bhattacharya A, Bhat M, Agrawal S, Deo S, Ghosh D, Sen S. Unique gene expression signature of cancer initiating cells in colorectal cancer. Eur J Cancer 2017. [DOI: 10.1016/s0959-8049(17)30266-6] [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: 11/29/2022]
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