Chemistry and biology of reactive oxygen species in signaling or stress responses.

Chemistry and biology of reactive oxygen species in signaling or stress responses.
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DOI:
10.1038/nchembio.607
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发表时间:
2011-07-18
影响因子:
14.8
通讯作者:
Chang, Christopher J.
Chang, Christopher J.
中科院分区:
生物学1区
文献类型:
--
作者:
Dickinson, Bryan C.;Chang, Christopher J.

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活性氧(ROS)是一个分子家族,作为有氧生活的结果,在所有生物体中持续产生,转化和消耗。这些活性氧代谢物的传统观点是氧化应激和损伤,导致衰老和疾病中的组织和器官系统的衰退。然而,新出现的数据表明,在某些情况下产生的ROS也有助于生理和健身。这个观点提供了一个集中的讨论是什么因素导致ROS分子成为信号和/或压力代理,突出如何增加知识的ROS的基础化学可以导致在理解他们的不同贡献生物学的进步。这个新兴领域在化学-生物学界面的一个重要方面是开发新的工具来研究这些小分子及其在复杂生物系统中的反应性。
Reactive oxygen species (ROS) are a family of molecules that are continuously generated, transformed and consumed in all living organisms as a consequence of aerobic life. The traditional view of these reactive oxygen metabolites is one of oxidative stress and damage that leads to decline of tissue and organ systems in aging and disease. However, emerging data show that ROS produced in certain situations can also contribute to physiology and increased fitness. This Perspective provides a focused discussion on what factors lead ROS molecules to become signal and/or stress agents, highlighting how increasing knowledge of the underlying chemistry of ROS can lead to advances in understanding their disparate contributions to biology. An important facet of this emerging area at the chemistry-biology interface is the development of new tools to study these small molecules and their reactivity in complex biological systems.
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