Abstract

Sirtuins are NAD+-dependent enzymes related to yeast silent information regulator-2, a histone deacetylase that prevents premature aging through chromatin silencing. Mammalian sirtuins, SIRT1-SIRT7, have key functions that protect against diverse aging-related pathologic states, from cancer to metabolic and neurodegenerative disease. In addition to chromatin regulation, mammalian sirtuins also govern myriad cellular processes through a growing list of enzymatic activities and substrates. This session will highlight new discoveries and directions in Sirtuin research.

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