Epigenetics – how gene expression is regulated by temporary switches, called epi-marks – appears to be a critical and overlooked factor contributing to the long-standing puzzle of why homosexuality occurs.
Dec 11, 2012
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(Medical Xpress) -- A study published in Genes and Development from scientists at the Friedrich Miescher Institute for Biomedical Research pinpoints the importance of maternal epigenetic influences during early embryogenesis ...
May 7, 2012
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(Medical Xpress)—Insights from a genetic condition that causes brain cancer are helping scientists better understand the most common type of brain tumor in children.
Nov 16, 2012
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An international research team led by Dr. Tak Mak, Director, The Campbell Family Institute for Breast Cancer Research at Princess Margaret Hospital (PMH), has discovered a new aspect of "metabolic transformation", the process ...
May 15, 2011
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(PhysOrg.com) -- The 24-hour internal clock controls many aspects of human behavior and physiology, including sleep, blood pressure, and metabolism. Disruption in circadian rhythms leads to increased incidence of many diseases, ...
Apr 4, 2012
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(Medical Xpress)—DNA is often called the blueprint of life, but the four-letter combinations that make up the genetic code are just part of the story. Built upon the DNA lies additional epigenetic information in the form ...
Jun 11, 2013
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Although all cells in an organism have the same DNA, cells function differently based on the genes they express. While most studies of gene expression focus on activities in the cell's nucleus, a new Cornell study finds that ...
May 24, 2011
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When cells suffer too much DNA damage, they are usually forced to undergo programmed cell death, or apoptosis. However, cancer cells often ignore these signals, flourishing even after chemotherapy drugs have ravaged their ...
May 14, 2013
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(Medical Xpress)—A newly discovered protein, found in many species, turns out to be the missing link that allows a key regulatory complex to find and operate on the lone X chromosome of male fruit flies, bringing them to ...
Jul 16, 2013
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Scientists from the Florida campus of The Scripps Research Institute (TSRI) have found a group of proteins essential to the formation of long-term memories.
Sep 12, 2013
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