Sirtuins: guardians of mammalian healthspan.

Sirtuins: guardians of mammalian healthspan.
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DOI:
10.1016/j.tig.2014.04.007
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发表时间:
2014-07
期刊:
影响因子:
11.4
通讯作者:
Lombard, David B.
Lombard, David B.
中科院分区:
生物学1区
文献类型:
--
作者:
Giblin, William;Skinner, Mary E.;Lombard, David B.

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15 年前,sirtuins 与长寿之间的首次联系是在酵母中发现的。这些初步研究激发了许多实验室在不同模式生物中开展工作,以阐明去乙酰化酶、寿命和年龄相关功能障碍之间的关系。在这里,我们讨论目前对去乙酰化酶与衰老关系的理解。我们主要关注哺乳动物的去乙酰化酶 SIRT1、SIRT3 和 SIRT6,这三种去乙酰化酶具有最相关的数据。引人注目的是,现在大量证据表明这些和其他哺乳动物去乙酰化酶可以抑制多种与年龄相关的病理并延长健康寿命。此外,SIRT1 或 SIRT6 表达的增加可延长小鼠的寿命。总体而言,这些数据表明去乙酰化酶在促进哺乳动物健康以及调节衰老过程方面发挥着重要作用。
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 relationships 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.
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