title: Sirtuins: guardians of mammalian healthspan.
abstract: The first link between sirtuins and longevity was made 15 years ago in yeast. These initial studies sparked efforts by many laboratories working in diverse model organisms to elucidate the relations between sirtuins, lifespan, and age-associated dysfunction. Here, we discuss the current understanding of how sirtuins relate to aging. We focus primarily on mammalian sirtuins SIRT1, SIRT3, and SIRT6, the three sirtuins for which the most relevant data are available. Strikingly, a large body of evidence now indicates that these and other mammalian sirtuins suppress a variety of age-related pathologies and promote healthspan. Moreover, increased expression of SIRT1 or SIRT6 extends mouse lifespan. Overall, these data point to important roles for sirtuins in promoting mammalian health, and perhaps in modulating the aging process.
authors.affiliation: Department of Human Genetics, University of Michigan, Ann Arbor, MI 48109, USA.
authors.forename: William
authors.initials: W
authors.lastname: Giblin
authors.affiliation: Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA.
authors.forename: Mary E
authors.initials: ME
authors.lastname: Skinner
authors.affiliation: Department of Pathology, University of Michigan, Ann Arbor, MI 48109, USA; Institute of Gerontology, University of Michigan, Ann Arbor, MI 48109, USA. Electronic address: davidlom@umich.edu.
authors.forename: David B
authors.initials: DB
authors.lastname: Lombard
mesh_terms: D000375:Aging / Q000235:genetics / Q000378:metabolism; D000818:Animals; D056726:Genetic Association Studies; D006801:Humans; D008136:Longevity / Q000235:genetics*; D008322:Mammals; D051379:Mice; D010641:Phenotype; D037761:Sirtuins / Q000235:genetics* / Q000378:metabolism
chemical_list: D037761:Sirtuins
keywords: NAD(+); SIRT1; SIRT3; SIRT6; age-associated disease; aging; longevity; mitochondria