Affiliation:
1. Institute of Cell Biology, ETH Zurich, Zurich, Switzerland
Abstract
Sirtuins comprise a family of enzymes implicated in the determination of organismal life span in yeast and the nematode. The mammalian sirtuin SIRT1 has been shown to deacetylate several proteins in an NAD+-dependent manner. SIRT1 substrates are involved in the regulation of apoptosis/cell survival, endocrine signaling, differentiation, chromatin remodeling, and transcription. Thus SIRT1 provides a molecular link between nutrient availability and adaptive transcriptional responses. This review presents current evidence as to how SIRT1 functions are relevant to changes in tissue physiology that occur with ageing and its implications for future pharmacological intervention to alleviate such degenerative processes.
Publisher
American Physiological Society
Cited by
81 articles.
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