Drug perks up old muscles and aging brains


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Images of cells in the brain’s hippocampus show that the growth factor TGF-beta1 (stained red) is barely present in young tissue but ubiquitous in old tissue, where it suppresses stem cell regeneration and contributes to inflammation and …more
http://medicalxpress.com/news/2015-05-drug-perks-muscles-aging-brains.html

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