Word: geneses
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It's hardly a secret that taking cocaine can change the way you feel and the way you behave. Now, a study published in the Jan. 8 issue of Science shows how it also alters the way the genes in your brain operate. Understanding this process could eventually lead to...
The study, which was conducted on mice, is part of a hot new area of research called epigenetics, which explores how experiences and environmental exposures affect genes. "This is a major step in understanding the development of cocaine addiction and a first step toward generating ideas for how we might...
Though we think about our genes mostly in terms of the traits we pass on to our children, they are actually very active in our lives every day, regulating how various cells in our bodies behave. In the brain this can be especially powerful. Any significant experience triggers changes in...
Maze's research focused on a particular protein called G9a that is associated with cocaine-related changes in the nucleus accumbens, a brain region essential for the experience of desire, pleasure and drive. The role of the protein appears to be to shut down genes that shouldn't be on...
It's a big leap from a mouse study to a human study, of course - and an even bigger leap to consider developing a G9a-based treatment for addiction. The protein regulates so many genes that such a drug would almost certainly have unwanted and potentially deadly side effects. But...