Tag Archives: erin wonder

Fat cells in breast may connect social stress to breast cancer

Local chemical signals released by fat cells in the mammary gland appear to provide a crucial link between exposure to unrelenting social stressors early in life, and the subsequent development of breast cancer, researchers from the University of Chicago report in the July 2013 issue of the journal Cancer Prevention Research.

Some forms of stress exposure may be associated with an increased risk of certain types of aggressive breast cancer. But the mechanisms linking the biology of social stress to cancer have been hard to identify. To unravel that mechanism, the researchers looked for differences between mice raised in small groups and those that grow up in an isolated setting—an established model of chronic stress without social supports. (more…)

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