Binge Drinking Can Lead to Harmful Epigenetic Changes

December 30, 2014 Bailey Kirkpatrick

Recent research at the University of Missouri School of Medicine sheds some light on the epigenetic changes to proteins that occur as a result of . Their results could help progress treatments for liver diseases linked to alcohol consumption. The lead author of the study and Margaret Proctor Mulligan Professor at the MU School of Medicine, Shivendra Shukla, PhD, says that “we know that chronic alcohol use is damaging to the liver, but binge drinking amplifies that damage.” Chronic liver [more…]

Introducing O-GlcNAc – The Latest Addition to the Orchestra of Epigenetic Modifications

December 15, 2014 Sam Keating

Post-translational modifications are well known for their influence on protein stability, enzymatic functions, as well as protein:protein interactions. At the level of gene expression, acetylation, methylation, phosphorylation, ADP-ribosylation, ubiquitination and SUMOylation are some of the most prevalent chemical modifications that regulate transcription factors and the chromatin template (the complex of DNA and histone proteins) alike. In particular, the manifold modifications occurring on the histone proteins that closely associate with DNA are proposed to constitute a gene-regulating code (the histone code). [more…]

The Epigenetics of Schizophrenia

December 8, 2014 Adam Alonzi

The nascent field of epigenetics has been helpful in elucidating upon other polygenic traits and diseases. Thus it only seems logical to apply it to the study of , a chronic and debilitating illness with a sundry of risk factors. In his widely cited 2013 article, Dr. Thomas Insel defines schizophrenia as “a collection of signs and symptoms of unknown aetiology, predominantly defined by observed signs of psychosis.” The NIMH estimates it affects 1 out of 100 people. Yet in [more…]

Epigenetic Regulation of a Single Gene Controls Drug and Stress Responses

December 2, 2014 Bailey Kirkpatrick

Researchers have found that the regulation of a specific gene located in an area of the brain linked to depression and drug addiction can reduce the way someone responds to drugs and stressful situations. A mouse study that focused on the epigenetic regulation of a single gene was carried out at the Icahn School of Medicine at Mount Sinai and was recently published in Nature Neuroscience. Earlier research supports a connection between epigenetic regulation and diseases related to depression and [more…]

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