Researchers at the University of Pittsburgh have completed the first survey of the entire human genome for genes that affect the susceptibility of individuals to developing clinical depression.
George S. Zubenko, M.D., Ph.D., professor of psychiatry at the University of Pittsburgh School of Medicine and adjunct professor of biological sciences at Carnegie Mellon University and his team have located a number of chromosomal regions they say hold the genetic keys to a variety of mental illnesses, including major depression and certain addictions. The survey was done in 81 families identified by individuals with recurrent, early-onset, major depressive disorder (RE-MDD), a severe form of depression that runs in families. The Pitt teams findings are published today in the American Journal of Medical Genetics.
Finding the genetic roots of depression is important for many reasons. Depression is the second-leading cause of disability worldwide, affecting nearly 10 percent of the population. And while scientists have made significant progress developing new drugs to treat it, studies that identify specific risk genes may lead to even more effective drugs designed to target depression in specific individuals.
Craig Dunhoff | EurekAlert!
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