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The role of genetic diversity, epigenetic regulation, and sex-based differences in HIV cure research: a comprehensive review.
Epigenetics Chromatin
January 2025
Department of Biomedical Sciences, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Kepala Batas, Penang, Malaysia.
Despite significant advances in HIV treatment, a definitive cure remains elusive. The first-in-human clinical trial of Excision BioTherapeutics' CRISPR-based HIV cure, EBT-101, demonstrated safety but failed to prevent viral rebound. These outcomes may result from the interplay of several factors.
View Article and Find Full Text PDFBasic Science and Pathogenesis.
Alzheimers Dement
December 2024
Dr. John T. Macdonald Foundation Department of Human Genetics, University of Miami Miller School of Medicine, Miami, FL, USA.
Background: Annotation of target genes of non-coding GWAS loci remains a challenge since 1) regulatory elements identified by GWAS can be metabases away from its actual target, 2) one regulatory element can target multiple genes, and 3) multiple regulatory elements can target one gene. AD GWAS in populations with different ancestries have identified different loci, suggesting ancestry-specific genetic risks. To understand the connection between associated loci (potential regulatory elements) and their target genes, we conducted Hi-C analysis in frontal cortex of African American (AA) and Non-Hispanic Whites (NHW) AD patients to map chromatin loops, which often represent enhancer-promoter (EP) interactions.
View Article and Find Full Text PDFRare germline structural variants increase risk for pediatric solid tumors.
Science
January 2025
Cancer Program, Broad Institute of MIT and Harvard, Cambridge, MA, USA.
Pediatric solid tumors are a leading cause of childhood disease mortality. In this work, we examined germline structural variants (SVs) as risk factors for pediatric extracranial solid tumors using germline genome sequencing of 1765 affected children, their 943 unaffected parents, and 6665 adult controls. We discovered a sex-biased association between very large (>1 megabase) germline chromosomal abnormalities and increased risk of solid tumors in male children.
View Article and Find Full Text PDFBisphenol A exposure during gestation and lactation in mice: sex-specific consequences on oligodendrocytes and myelination.
Toxicology
December 2024
Université Paris Cité, Inserm, HERA Team, CRESS UMR 1153, F-75006 Paris, France. Electronic address:
Bisphenol A (BPA), a ubiquitous environmental endocrine disruptor, is suspected of disturbing brain development through largely unknown cellular and molecular mechanisms. In the central nervous system, oligodendrocytes are responsible for forming myelin sheaths, which enhance the propagation of action potentials along axons. Disruption of axon myelination can have lifelong consequences, making oligodendrocyte differentiation and myelination critical stages of brain development.
View Article and Find Full Text PDFSex differences in mitochondrial gene expression during viral myocarditis.
Biol Sex Differ
December 2024
Department of Cardiovascular Medicine, Mayo Clinic, Jacksonville, FL, USA.
Background: Myocarditis is an inflammation of the heart muscle most often caused by viral infections. Sex differences in the immune response during myocarditis have been well described but upstream mechanisms in the heart that might influence sex differences in disease are not completely understood.
Methods: Male and female BALB/c wild type mice received an intraperitoneal injection of heart-passaged coxsackievirus B3 (CVB3) or vehicle control.
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