Life-extending Sirtuin Protein Can Also Have Damaging Effects On Brain Cells

Life-extending Protein Can Also Have Damaging Effects On Brain Cells:
"ScienceDaily (July 2, 2008) —
"Proteins widely believed to protect against aging can actually cause oxidative damage in mammalian brain cells, according to a new report in the July Cell Metabolism, a publication of Cell Press. The findings suggest that the proteins can have both proaging and protective functions, depending on the circumstances, the researchers said."

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