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Licensed Unlicensed Requires Authentication Published by De Gruyter March 3, 2008

Sirt1 protects the heart from aging and stress

  • Chiao-Po Hsu , Ibrahim Odewale , Ralph R. Alcendor and Junichi Sadoshima
From the journal Biological Chemistry

Abstract

The prevalence of heart diseases, such as coronary artery disease and congestive heart failure, increases with age. Optimal therapeutic interventions that antagonize aging may reduce the occurrence and mortality of adult heart diseases. We discuss here how molecular mechanisms mediating life span extension affect aging of the heart and its resistance to pathological insults. In particular, we review our recent findings obtained from transgenic mice with cardiac-specific overexpression of Sirt1, which demonstrated delayed aging and protection against oxidative stress in the heart. We propose that activation of known longevity mechanisms in the heart may represent a novel cardioprotection strategy against aging and certain types of cardiac stress, such as oxidative stress.


Corresponding author

Published Online: 2008-03-03
Published in Print: 2008-03-01

©2008 by Walter de Gruyter Berlin New York

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