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Trends Biochem Sci. 2007 Dec;32(12):555-60. Epub 2007 Nov 5.

A therapeutic role for sirtuins in diseases of aging?

Author information

  • 1Sirtris Pharmaceuticals Inc, Cambridge, MA 02139, USA. cwestphal@sirtrispharma.com

Abstract

The sirtuins are a group of proteins linked to aging, metabolism and stress tolerance in several organisms. Among the many genes that have been shown to affect aging in model organisms, sirtuin genes are unique in that their activity level is positively correlated with lifespan (i.e. they are anti-aging genes). Sirtuins are a druggable class of enzymes (i.e. amenable to intervention by small molecules) that could have beneficial effects on a variety of human diseases. In view of the many functions of Sirtuin 1 (SIRT1) in cells, this review focuses on its role in regulating important aspects of mitochondrial biology. Mitochondria have been linked to aging, and also to diseases of aging. Thus, sirtuins might provide a key link between mitochondrial dysfunction, aging and metabolic disease.

PMID:
17980602
DOI:
10.1016/j.tibs.2007.09.008
[PubMed - indexed for MEDLINE]
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