Regulation of SIRT1 in cellular functions: role of polyphenols.

Regulation of SIRT1 in cellular functions: role of polyphenols.
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DOI:
10.1016/j.abb.2010.05.003
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发表时间:
2010-09-01
影响因子:
3.9
通讯作者:
Rahman, Irfan
Rahman, Irfan
中科院分区:
生物学3区
文献类型:
--
作者:
Chung, Sangwoon;Yao, Hongwei;Caito, Samuel;Hwang, Jae-Woong;Arunachalam, Gnanapragasam;Rahman, Irfan

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已知沉默调节蛋白1(SIRT 1)使组蛋白和非组蛋白蛋白(包括转录因子)脱乙酰化,从而调节代谢、应激抗性、细胞存活、细胞衰老/老化、炎症免疫功能和内皮功能以及昼夜节律。天然存在的膳食多酚,如白藜芦醇、姜黄素、槲皮素和儿茶素,通过调节不同的途径,如NF-κB-和丝裂原活化蛋白激酶依赖性信号传导途径,具有抗氧化和抗炎特性。此外,这些多酚也被证明在各种模型中直接或间接激活SIRT 1。因此,多酚激活SIRT 1有利于调节热量限制、氧化应激、炎症、细胞衰老、自噬/凋亡、自身免疫、代谢、脂肪生成、昼夜节律、骨骼肌功能、线粒体生物合成和内皮功能障碍。在这篇综述中,我们描述了SIRT 1的调节,通过膳食多酚在各种细胞功能响应环境和促炎刺激。
Sirtuin 1 (SIRT1) is known to deacetylate histones and non-histone proteins including transcription factors thereby regulating metabolism, stress resistance, cellular survival, cellular senescence/aging, inflammation-immune function, and endothelial functions, and circadian rhythms. Naturally occurring dietary polyphenols, such as resveratrol, curcumin, quercetin, and catechins, have antioxidant and anti-inflammatory properties via modulating different pathways, such as NF-κB- and mitogen activated protein kinase-dependent signaling pathways. In addition, these polyphenols have also been shown to activate SIRT1 directly or indirectly in a variety of models. Therefore, activation of SIRT1 by polyphenols is beneficial for regulation of calorie restriction, oxidative stress, inflammation, cellular senescence, autophagy/apoptosis, autoimmunity, metabolism, adipogenesis, circadian rhythm, skeletal muscle function, mitochondria biogenesis and endothelial dysfunction. In this review, we describe the regulation of SIRT1 by dietary polyphenols in various cellular functions in response to environmental and pro-inflammatory stimuli.
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