Poly(ADP-ribose) polymerase 1 at the crossroad of metabolic stress and inflammation in aging.

Poly(ADP-ribose) polymerase 1 at the crossroad of metabolic stress and inflammation in aging.
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DOI:
10.18632/aging.100052
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发表时间:
2009-05-20
期刊:
Aging
影响因子:
--
通讯作者:
Hottiger MO
Hottiger MO
中科院分区:
其他
文献类型:
--
作者:
Altmeyer M;Hottiger MO

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聚ADP-核糖 聚合酶1(PARP 1)是一种染色质相关的核蛋白, 用作分子应力传感器。活性氧,负责 最合理和目前可接受的全球机制来解释 老化过程,强烈激活PARP 1的酶活性, 由NAD+形成聚(ADP-核糖)(PAR)。消费 NAD+将PARP 1与能量代谢和大的 NAD+依赖型数量 酶,如Sirtuins。作为NF-κ B依赖的转录辅因子, 基因表达,PARP 1还与免疫反应有关,这与 几乎所有与年龄有关或相关的疾病。因此,委员会认为, 许多实验研究已经证明了 PARP抑制几种年龄相关疾病。这篇评论 总结了PARP 1的最新研究结果,并将其置于 代谢压力和炎症。
Poly(ADP-ribose) polymerase 1 (PARP1) is a chromatin-associated nuclear protein, which functions as molecular stress sensor. Reactive oxygen species, responsible for the most plausible and currently acceptable global mechanism to explain the aging process, strongly activate the enzymatic activity of PARP1 and the formation of poly(ADP-ribose) (PAR) from NAD+. Consumption of NAD+ links PARP1 to energy metabolism and to a large number of NAD+-dependent enzymes, such as the sirtuins. As transcriptional cofactor for NF-κB-dependent gene expression, PARP1 is also connected to the immune response, which is implicated in almost all age-related or associated diseases. Accordingly, numerous experimental studies have demonstrated the beneficial effects of PARP inhibition for several age-related diseases. This review summarizes recent findings on PARP1 and puts them in the context of metabolic stress and inflammation in aging.
DOI: 10.1093/nar/gkp229
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影响因子: 14.9
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