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Fast track to longevity
The Scientist 2005, 19(6):25
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Researchers have moved a step forward in understanding how calorie restriction is linked to lifespan extension in mammals. Johns Hopkins University cell biologist Pere Puigserver and colleagues report that SIRT1 – one of the mammalian homologs of Sir2, known to extend lifespan in yeast and worms – controls glucose metabolism in mice in response to fasting.[1]
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