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Functionally-informed fine-mapping identifies genetic variants linking increased CHD1L expression and HIV restriction in monocytes.
Sci Rep
January 2025
Sexually Transmitted and Bloodborne Infections Surveillance and Molecular Epidemiology, Sexually Transmitted and Bloodborne Infections Division at the JC Wilt Infectious Diseases Research Centre, National Microbiology Laboratories, Public Health Agency of Canada, Winnipeg, MB, R3E 3L5, Canada.
Human Immunodeficiency Virus Type 1 (HIV) set-point viral load is a strong predictor of disease progression and transmission risk. A recent genome-wide association study in individuals of African ancestries identified a region on chromosome 1 significantly associated with decreased HIV set-point viral load. Knockout of the closest gene, CHD1L, enhanced HIV replication in vitro in myeloid cells.
View Article and Find Full Text PDFThe nuclear localization signal of CPSF6 governs post-nuclear import steps of HIV-1 infection.
PLoS Pathog
January 2025
Integrative Cell Biology Graduate Program, Loyola University Chicago, Maywood, Illinois, United States of America.
The early stages of HIV-1 infection include the trafficking of the viral core into the nucleus of infected cells. However, much remains to be understood about how HIV-1 accomplishes nuclear import and the consequences of the import pathways utilized on nuclear events. The host factor cleavage and polyadenylation specificity factor 6 (CPSF6) assists HIV-1 nuclear localization and post-entry integration targeting.
View Article and Find Full Text PDFAssociation of Step Count with Cardiorespiratory Fitness: Results from the Virtual 2-Minute Step Test.
Arch Rehabil Res Clin Transl
December 2024
Department of Medicine, University of Maryland School of Medicine, Baltimore, MD.
Objective: To test the hypothesis that step count based on a virtual 2-minute step test (2MST) predicts cardiorespiratory fitness (CRF).
Design: Cross-sectional study.
Setting: Veteran Affairs Medical Centers participating in a randomized trial of functional exercise training delivered by videoconferencing.
Brain RNA profiling highlights multiple disease pathways in persons with HAND: uncovering determinants of biotype diversity.
AIDS
January 2025
Departments of Medicine.
Objective: To discover microRNA (miRNA)-RNA transcript interactions dysregulated in brains from persons with HIV-associated neurocognitive disorder (HAND), we investigated RNA expression using machine learning tools.
Design: Brain-derived host RNA transcript and miRNA expression was examined from persons with or without HAND using bioinformatics platforms.
Methods: By combining next generation sequencing, droplet digital (dd)PCR quantitation of HIV-1 genomes, with bioinformatics and statistical tools, we investigated differential RNA expression in frontal cortex from persons without HIV (HIV[-]), with HIV without brain disease (HIV[+]), with HIV-associated neurocognitive disorder (HAND), or HAND with encephalitis (HIVE).
Effect of antiretroviral therapy on the mortality of HIV-1 infection long-term non-progressors: a cohort study.
BMC Infect Dis
January 2025
Guangxi Key Laboratory of AIDS Prevention and Treatment, School of Public Health, Guangxi Medical University, Nanning, Guangxi, 530021, China.
Background: The study aims to investigate the demographic characteristics, the variations in their immune status, and mortality risk among HIV-1 infection long-term non-progressors (LTNP).
Methods: Eligible LTNP and typical progressors (TP) were recruited in Guangxi by December 2018. Participants were followed up until December 2022, monitoring ART status, CD4 T cell counts, and survival/death outcomes.
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