epigenetics

Nature Human Behaviour, Published online: 08 September 2026; doi:10.1038/s41562-026-02568-4 Raffington et al. find that providing low-income mothers with cash gifts for the first four years of their children’s lives appears to change the children’s epigenetic biological ageing in ways associated with better health in adulthood.

BACKGROUND: Epigenetic modifications such as DNA methylation play a critical role in hypoxic cell programs. However, no previous studies have investigated the epigenetic regulation of gene expression in peripheral artery disease (PAD), a condition characterized by intermittent ischemia. Our study aims to examine how PAD affects the DNA methylome in skeletal muscle of patients with PAD with interm…

Bipolar disorder (BD) is a severe and recurrent psychiatric disorder characterized by alternating manic, hypomanic, and depressive episodes, frequent comorbidity, high relapse rates, and an increased risk of suicide. Although the pathophysiology of BD remains incompletely understood, increasing evidence suggests that DNA methylation may represent an important epigenetic regulatory layer involved …

Nature Communications, Published online: 15 June 2026; doi:10.1038/s41467-026-73847-x Here the authors generate a new genome and the first embryonic methylomes of an Australian marsupial to show that the embryo retains high DNA methylation while the trophectoderm undergoes erasure, suggesting placental epigenetic reprogramming is ancestral to therians.

Background: Preterm infants requiring prolonged hospitalization in the neonatal intensive care unit (NICU) are often exposed to early-life stress, which may contribute to long-term health consequences. Epigenetic markers, particularly DNA methylation (DNAm) of stress-related genes such as SLC6A4 and NR3C1 , have been identified as potential biomarkers of early-life stress. Limited research has co…

A major mouse study found that some inherited traits are passed down through epigenetic changes that break the classic rules of genetics. Researchers discovered hundreds of cases where these chemical DNA marks behaved unexpectedly, including some that seemed to emerge out of nowhere. They also identified the first known naturally occurring paramutation in a mammal, hinting that environmental infl…

Author: Dr. Sameera Abuaish Affiliations: Basic Sciences Department, College of Medicine, Princess, Nourah bint Abdulrahman University Key themes: Neuroscience capacity building • Molecular and translational neuroscience • Epigenetics • Neuron–glia metabolic interactions • Neurogenetics of autism • Regional research development • International collaboration Reflection #1 Neuroscience research in …

Mahtab A Quddusi (noreply@blogger.com)
10/7/2025

Diet, pollution, stress and lifestyle choices influence DNA methylation—an epigenetic process that controls how your genes function and affect health. Ever wondered how your environment can shape your genes without changing your DNA code? That’s where DNA methylation comes in—a powerful biological switch that turns genes on or off. But what flips that switch? Everyday factors like diet, pollution…

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