Research hints at why stress is more devastating for some

September 2, 2014 10:32 AM

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Research hints at why stress is more devastating for some

“Like people, each animal has unique experiences as it goes through its life. And we suspect that these life experiences can alter the expression of genes, and as a result, affect an animal’s susceptibility to stress,” says senior author Bruce McEwen, Alfred E. Mirsky Professor and head of the Harold and Margaret Milliken Hatch Laboratory of Neuroendocrinology. “We have taken an important step toward explaining the molecular origins of this stress gap by showing that inbred mice react differently to stress, with some developing behaviors that resemble anxiety and depression, and others remaining resilient.”

The results, published September 2 in Molecular Psychiatry, point toward potential new markers to aid the diagnosis of stress-related disorders, such as anxiety and depression, and a promising route to the development of new treatments for these devastating disorders.

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