Oxidative damage to RNA: mechanisms, consequences, and diseases.

Oxidative damage to RNA: mechanisms, consequences, and diseases.
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DOI:
10.1007/s00018-010-0277-y
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发表时间:
2010-06
影响因子:
8
通讯作者:
Lin, Chien-liang Glenn
Lin, Chien-liang Glenn
中科院分区:
生物学1区
文献类型:
--
作者:
Kong, Qiongman;Lin, Chien-liang Glenn

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自由基的过度产生会损害细胞成分,导致进行性生理功能障碍,这与许多人类疾病有关。直到过去十年,RNA的氧化损伤才受到很少的关注。最近的研究表明,RNA,如信使RNA和核糖体RNA,是非常容易受到氧化损伤。RNA氧化不是细胞死亡的结果,而是发病机制中的早期事件。对RNA的氧化修饰导致翻译过程的干扰和蛋白质合成的损害,这可导致细胞劣化甚至细胞死亡。在这篇综述中,我们讨论了氧化损伤的RNA的机制和受损的RNA可能的生物学后果。此外,我们回顾了最近的证据表明,RNA的氧化损伤可能有助于许多人类疾病的进展。
Overproduction of free radicals can damage cellular components resulting in progressive physiological dysfunction, which has been implicated in many human diseases. Oxidative damage to RNA received little attention until the past decade. Recent studies indicate that RNA, such as messenger RNA and ribosomal RNA, is very vulnerable to oxidative damage. RNA oxidation is not a consequence of dying cells but an early event involved in pathogenesis. Oxidative modification to RNA results in disturbance of the translational process and impairment of protein synthesis, which can cause cell deterioration or even cell death. In this review, we discuss the mechanisms of oxidative damage to RNA and the possible biological consequences of damaged RNA. Furthermore, we review recent evidence suggesting that oxidative damage to RNA may contribute to progression of many human diseases.
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