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The enigmatic role of Sir2 in aging.

Identifieur interne : 001810 ( Main/Exploration ); précédent : 001809; suivant : 001811

The enigmatic role of Sir2 in aging.

Auteurs : Brian K. Kennedy [États-Unis] ; Erica D. Smith ; Matt Kaeberlein

Source :

RBID : pubmed:16286003

Descripteurs français

English descriptors

Abstract

In this issue of Cell, Longo and colleagues (Fabrizio et al., 2005) examine the role of Sir2, a histone deacetylase, in chronological aging in yeast by measuring the long-term survival of nondividing cells. In contrast to measurements of aging for mitotic cells, cell survival in the nonmitotic state is decreased by Sir2 activity under conditions that mimic calorie restriction.

DOI: 10.1016/j.cell.2005.11.002
PubMed: 16286003


Affiliations:


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Le document en format XML

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<term>Sirtuin 1 (MeSH)</term>
<term>Sirtuin 2 (MeSH)</term>
<term>Sirtuins (genetics)</term>
<term>Sirtuins (physiology)</term>
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<term>Alcohol dehydrogenase (métabolisme)</term>
<term>Cyclic AMP-Dependent Protein Kinases (génétique)</term>
<term>Cyclic AMP-Dependent Protein Kinases (physiologie)</term>
<term>Facteurs temps (MeSH)</term>
<term>Histone deacetylases (génétique)</term>
<term>Histone deacetylases (physiologie)</term>
<term>Modèles biologiques (MeSH)</term>
<term>Mutation (génétique)</term>
<term>Protein kinases (génétique)</term>
<term>Protein kinases (physiologie)</term>
<term>Protein-Serine-Threonine Kinases (MeSH)</term>
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<term>Saccharomyces cerevisiae (physiologie)</term>
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<term>Sirtuines (physiologie)</term>
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<term>Protein Kinases</term>
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<term>Silent Information Regulator Proteins, Saccharomyces cerevisiae</term>
<term>Sirtuins</term>
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<term>Cyclic AMP-Dependent Protein Kinases</term>
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<term>Protein Kinases</term>
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<term>Protéines de Saccharomyces cerevisiae</term>
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<div type="abstract" xml:lang="en">In this issue of Cell, Longo and colleagues (Fabrizio et al., 2005) examine the role of Sir2, a histone deacetylase, in chronological aging in yeast by measuring the long-term survival of nondividing cells. In contrast to measurements of aging for mitotic cells, cell survival in the nonmitotic state is decreased by Sir2 activity under conditions that mimic calorie restriction.</div>
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