Purpose: Humans are the only known natural hosts of hepatitis C virus (HCV). This study was undertaken to examine the frequencies of human leucocyte antigens (HLAs) Class I and Class II genotype profiles in anti-HCV-infected patients of Northern India.
Materials And Methods: From a period of January 2013 to August 2014, 148 anti-HCV-positive patients of North India referred to the Department of Molecular Biology and Transplant Immunology, Indraprastha Apollo Hospitals, New Delhi, for performing HLA typing were included in the study.
Results: AFNx0102, AFNx0131 allele frequency decreased significantly in anti-HCV-positive patients. Frequencies for HLA-B loci did not reach any statistical significance. Among the Class II alleles, HLA-DRB1FNx0103 and HLA-DRB1FNx0110 were significantly higher in the patient population, and HLA-DRB1FNx0115 was significantly decreased in the patient population as compared to the controls.
Conclusion: HLA-AFNx0133 was significantly increased as compared to control population and showed geographic variation in HCV-infected individuals of India.
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http://dx.doi.org/10.4103/0255-0857.188317 | DOI Listing |
Sci Rep
December 2024
Department of Psychiatry and Behavioral Sciences and Weill Center for Neurosciences, University of California, San Francisco, CA, 94107, USA.
Telomere attrition is a hallmark of biological aging, contributing to cellular replicative senescence. However, few studies have examined the determinants of telomere attrition in vivo in humans. Mitochondrial Health Index (MHI), a composite marker integrating mitochondrial energy-transformation capacity and content, may be one important mediator of telomere attrition, as it could impact telomerase activity, a direct regulator of telomere maintenance.
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December 2024
Department of Pathology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
Micropapillary adenocarcinoma (MPC) is an aggressive histological subtype of lung adenocarcinoma (LUAD). MPC is composed of small clusters of cancer cells exhibiting inverted polarity. However, the mechanism underlying its formation is poorly understood.
View Article and Find Full Text PDFNat Commun
December 2024
Department of Pulmonary and Critical Care Medicine, Ruijin Hospital, Institutes of Respiratory Diseases, School of Medicine, Shanghai Jiao Tong University and Shanghai Key Laboratory of Emergency Prevention, Diagnosis and Treatment of Respiratory Infectious Diseases, Shanghai, China.
Human adenovirus (HAdV) is a widely spread respiratory pathogen that can cause infections in multiple tissues and organs. Previous studies have established an association between HAdV species B (HAdV-B) infection and severe community-acquired pneumonia (SCAP). However, the connection between SCAP-associated HAdV-B infection and host factor expression profile in patients has not been systematically investigated.
View Article and Find Full Text PDFNat Commun
December 2024
Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
Antibody-mediated protection against pathogens is crucial to a healthy life. However, the recent SARS-CoV-2 pandemic has shown that pre-existing comorbid conditions including kidney disease account for compromised humoral immunity to infections. Individuals with kidney disease are not only susceptible to infections but also exhibit poor vaccine-induced antibody response.
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December 2024
Laboratory of Aging Research and Cancer Drug Target, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China.
The immune escape capacities of XBB variants necessitate the authorization of vaccines with these antigens. In this study, we produce three recombinant trimeric proteins from the RBD sequences of Delta, BA.5, and XBB.
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