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<p>As the world’s population ages, strategies to promote healthy longevity are critical. SIRT5, belonging to the sirtuin family, plays a key role in regulating cellular metabolism and mitochondrial homeostasis by removing post-translational modifications such as succinylation, malonylation, and glutarylisation from lysine residues of proteins. Herein, we discuss the multifunctionality of SIRT5, its impact on heart function, and its involvement as a target in geroscience for the pathogenesis of cardiovascular diseases, including heart failure, diabetic cardiomyopathy, cardiac hypertrophy, and ischemia-reperfusion injury. Research indicates that SIRT5 modulates metabolic pathways, oxidative stress response, and apoptosis, making it a potential therapeutic target for extending the health span and lifespan. However, its role is complex and context-dependent, exhibiting protective and harmful effects in various pathological conditions.</p>

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Unveiling the importance of SIRT5 for cardiac health and disease in an era of increasing longevity

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年11月19日

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  • Arkadiusz Grzeczka,
  • Szymon Graczyk,
  • Pawel Kordowitzki

摘要

As the world’s population ages, strategies to promote healthy longevity are critical. SIRT5, belonging to the sirtuin family, plays a key role in regulating cellular metabolism and mitochondrial homeostasis by removing post-translational modifications such as succinylation, malonylation, and glutarylisation from lysine residues of proteins. Herein, we discuss the multifunctionality of SIRT5, its impact on heart function, and its involvement as a target in geroscience for the pathogenesis of cardiovascular diseases, including heart failure, diabetic cardiomyopathy, cardiac hypertrophy, and ischemia-reperfusion injury. Research indicates that SIRT5 modulates metabolic pathways, oxidative stress response, and apoptosis, making it a potential therapeutic target for extending the health span and lifespan. However, its role is complex and context-dependent, exhibiting protective and harmful effects in various pathological conditions.