Sir2 is an NAD-dependent deacetylase that connects metabolism with longevity in yeast, worms and flies. Mammals contain seven homologs of yeast Sir2, SIRT1-7. Here, we review recent findings demonstrating the role of these mammalian sirtuins as regulators of physiology, calorie restriction, and aging. The current findings sharpen our understanding of sirtuins as potential pharmacological targets to treat the major diseases of aging.
机构:
Univ Pittsburgh, Dept Pathol, Pittsburgh VA Med Ctr, Pittsburgh, PA 15240 USAUniv Pittsburgh, Dept Pathol, Pittsburgh VA Med Ctr, Pittsburgh, PA 15240 USA
机构:
Univ Pittsburgh, Dept Pathol, Pittsburgh Vet Adm Med Ctr 132L, Pittsburgh, PA 15240 USAUniv Pittsburgh, Dept Pathol, Pittsburgh Vet Adm Med Ctr 132L, Pittsburgh, PA 15240 USA
机构:
Univ Pittsburgh, Dept Pathol, Pittsburgh VA Med Ctr, Pittsburgh, PA 15240 USAUniv Pittsburgh, Dept Pathol, Pittsburgh VA Med Ctr, Pittsburgh, PA 15240 USA
机构:
Univ Pittsburgh, Dept Pathol, Pittsburgh Vet Adm Med Ctr 132L, Pittsburgh, PA 15240 USAUniv Pittsburgh, Dept Pathol, Pittsburgh Vet Adm Med Ctr 132L, Pittsburgh, PA 15240 USA