Multi-tasking: nuclear transcription factors with novel roles in the mitochondria.

Multi-tasking: nuclear transcription factors with novel roles in the mitochondria.
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DOI:
10.1016/j.tcb.2012.05.001
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发表时间:
2012-08
影响因子:
19
通讯作者:
Larner AC
Larner AC
中科院分区:
生物学1区
文献类型:
--
作者:
Szczepanek K;Lesnefsky EJ;Larner AC

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细胞核和线粒体之间的协调反应对于维持体内平衡是必不可少的。15年来,在线粒体中观察到了核转录因子(TF)池,如P53和核激素受体。这些转录因子的线粒体库对其明确的生物学作用的贡献在某些情况下是明确的,在另一些情况下则不是很清楚。最近,转录因子信号转导和激活因子3(STAT3)的一个小的线粒体库被证明可以调节电子传输链的活性。STAT3的线粒体功能既包括其在心脏中的生物学作用,也包括其致癌作用。这篇综述强调了我们对核转录因子的线粒体库如何影响这个细胞器功能的理解的进展。
Coordinated responses between the nucleus and mitochondria are essential for maintenance of homeostasis. For over 15 years, pools of nuclear transcription factors (TFs), such as p53 and nuclear hormone receptors, have been observed in the mitochondria. The contribution of the mitochondrial pool of these TFs to their well-defined biological actions is in some cases clear and in others not well understood. Recently, a small mitochondrial pool of the TF signal transducer and activator of transcription factor 3 (STAT3) was shown to modulate the activity of the electron transport chain. The mitochondrial function of STAT3 encompasses both its biological actions in the heart as well as its oncogenic effects. This review highlights advances in our understanding of how mitochondrial pools of nuclear TFs may influence the function of this organelle.
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