The locus coeruleus (LC) is a small region of the brainstem that produces norepinephrine, a chemical with powerful effects on arousal and wakefulness which plays an important role in the body's response to stress or panic. ...
May 2, 2024
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To study the effects of childhood environments on adult health and well-being, researchers examined epigenetic profiles of children using algorithms developed in adults. They find that children growing up in more socioeconomically ...
Sep 6, 2023
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Epigenetics, a term coined by Conrad H. Waddington in the early 1940s, originally described the complex molecular pathways that govern how a genotype manifests as a phenotype. Over time, this definition has evolved to focus ...
May 31, 2024
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B lymphocytes—also known simply as B cells—play a central role in the immune system. If pathogens enter the body, B cells are activated and develop into plasma cells, which then release antibodies. One important step ...
Mar 16, 2023
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Nearly a quarter of pregnant women say they've been around secondhand smoke—in their homes, at work, around a friend or relative—which, according to new research, is linked to epigenetic changes—meaning changes to how ...
May 19, 2021
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New research suggests that early severe social deprivation may impact DNA modifications that affect the expression of stress-related genes. These nongenetic (or epigenetic) modifications occur when molecules called methyl ...
Jun 3, 2016
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Like DNA, RNA molecules contain information through unique combinations of four different nucleotides. However, through a molecular process called RNA editing, chemical changes can be made to adenosine nucleotides that convert ...
Oct 21, 2021
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The central dogma proposed that genetic information predominantly transfers from DNA to RNA during gene expression to make a functional product protein. This absolute theory has been debunked because of the influence of the ...
Mar 25, 2024
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Eating about one serving a day of beans, peas, chickpeas or lentils can increase fullness, which may lead to better weight management and weight loss, a new study has found.
Aug 5, 2014
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A unique new study led by University of Kentucky Markey Cancer Center researchers Guo-Min Li and Libya Gu, in collaboration with Dr. Wei Yang at National Institutes of Health, reveals a novel mechanism explaining the previously ...
Apr 25, 2013
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