Sirtuins: The ‘ <i>magnificent seven</i> ’, function, metabolism and longevity

Abstract excerpt

The sirtuin family of histone deacetylases (HDACs) was named after their homology to the Saccharomyces cerevisiae gene silent information regulator 2 (Sir2). In the yeast, Sir2 has been shown to mediate the effects of calorie restriction on the extension of life span and high levels of Sir2 activity promote longevity. Like their yeast homologs, the mammalian sirtuins (SIRT1-7) are class III HDACs and require...

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