Signal transduction by reactive oxygen species.

Signal transduction by reactive oxygen species.
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DOI:
10.1083/jcb.201102095
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发表时间:
2011-07-11
期刊:
The Journal of cell biology
影响因子:
--
通讯作者:
Finkel T
Finkel T
中科院分区:
其他
文献类型:
--
作者:
Finkel T

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虽然在历史上被认为是纯粹有害的,但最近的证据表明,活性氧(ROS)作为细胞内信号传导途径的重要生理调节剂发挥作用。ROS的特异性作用在很大程度上通过共价修饰氧化还原敏感靶蛋白中发现的特异性半胱氨酸残基来调节。这些特异性和反应性半胱氨酸残基的氧化反过来可以导致酶活性的可逆修饰。新出现的证据表明,ROS调节多种生理参数,从对生长因子刺激的反应到炎症反应的产生,并且ROS信号转导失调可能导致许多人类疾病。
Although historically viewed as purely harmful, recent evidence suggests that reactive oxygen species (ROS) function as important physiological regulators of intracellular signaling pathways. The specific effects of ROS are modulated in large part through the covalent modification of specific cysteine residues found within redox-sensitive target proteins. Oxidation of these specific and reactive cysteine residues in turn can lead to the reversible modification of enzymatic activity. Emerging evidence suggests that ROS regulate diverse physiological parameters ranging from the response to growth factor stimulation to the generation of the inflammatory response, and that dysregulated ROS signaling may contribute to a host of human diseases.
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