Mechanisms and molecular probes of sirtuins.

Mechanisms and molecular probes of sirtuins.
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DOI:
10.1016/j.chembiol.2008.09.009
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发表时间:
2008-10-20
影响因子:
--
通讯作者:
Denu, John M.
Denu, John M.
中科院分区:
生物1区
文献类型:
--
作者:
Smith, Brian C.;Hallows, William C.;Denu, John M.

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去乙酰化酶(Sirtuins)是许多细胞过程的关键调节因子,包括胰岛素分泌、细胞周期和细胞凋亡。去乙酰化酶与多种与年龄相关的疾病有关,如II型糖尿病、肥胖症和阿尔茨海默病。对去乙酰化酶化学机制的透彻理解将有助于开发调节代谢紊乱和对抗相关疾病的新型疗法。在这篇综述中,我们讨论了去乙酰化酶独特的去乙酰化机制,以及如何利用这些信息来开发用于治疗和基础研究应用的抑制剂及其他分子探针。我们还涵盖了去乙酰化酶活性的生理调节,以及如何利用这些调节模式来操纵活细胞中的去乙酰化酶活性。开发特异性靶向去乙酰化酶的分子探针和药物将进一步加深对去乙酰化酶生物学的理解,并可能为几种人类疾病提供新的治疗方法。
Sirtuins are critical regulators of many cellular processes including insulin secretion, the cell cycle, and apoptosis. Sirtuins are associated with a variety of age-associated diseases such as type II diabetes, obesity, and Alzheimer’s disease. A thorough understanding of sirtuin chemical mechanisms will aid toward developing novel therapeutics that regulate metabolic disorders and combat associated diseases. In this review, we discuss the unique deacetylase mechanism of sirtuins and how this information might be employed to develop inhibitors and other molecular probes for therapeutic and basic research applications. We also cover physiological regulation of sirtuin activity and how these modes of regulation may be exploited to manipulate sirtuin activity in live cells. Development of molecular probes and drugs that specifically target sirtuins will further understanding of sirtuin biology and potentially afford new treatments of several human diseases.
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