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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A new study in Aging Cell describes how a key protein called Signal Transducer and Activator of Transcription 3 (STAT3) might turn back the clock on aging cartilage that leads to osteoarthritis.
Jan 16, 2023
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(Medical Xpress)—A team of researchers with Fudan University in China has found that male rats are able to pass on their susceptibility to cocaine addiction through non-genetic means. In their paper published in the journal ...
When faced with a formidable foe for months on end, the immune system's T cells begin to tire. Whether fighting a cancer or a chronic infection, they become less effective over time, a phenomenon dubbed "T cell exhaustion" ...
Jun 28, 2022
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(Medical Xpress)—Bisphenol A (BPA) is a common chemical found in household plastics. Previous studies on rodents show that BPA exposure is associated with problems with brain and behavioral development. There is evidence ...
Biologically important changes in DNA seen in smokers are also being found in people who vape, according to a new study published in the journal Epigenetics.
Feb 12, 2020
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The progressive understanding of addiction as a disease rather than a choice has opened the door to better treatment and research, but there are aspects of addiction that make it uniquely difficult to treat.
Jan 25, 2019
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Cancerous tumors are classified primarily based on their tissue of origin. However, the sequencing of the human genome and the development of powerful and affordable DNA sequencing technologies has ushered in a new era of ...
Apr 24, 2019
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The children of traumatized people have long been known to be at increased risk for posttraumatic stress disorder (PTSD), and mood and anxiety disorders. However, according to Rachel Yehuda from the James J. Peters Veterans ...
Sep 1, 2016
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Immunologists at St. Jude Children's Research Hospital have created a database that identifies gene-regulatory mechanisms in immune cells that facilitate Type 1 diabetes. The findings were published today in Nature Immunology.
Mar 31, 2020
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