Oxygen regulates epithelial-to-mesenchymal transition: insights into molecular mechanisms and relevance to disease.

Oxygen regulates epithelial-to-mesenchymal transition: insights into molecular mechanisms and relevance to disease.
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DOI:
10.1038/ki.2009.222
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发表时间:
2009-09
影响因子:
19.6
通讯作者:
Haase, Volker H.
Haase, Volker H.
中科院分区:
医学1区
文献类型:
--
作者:
Haase, Volker H.

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上皮-间充质转化(epithelial -to-mesenchymal transition, EMT)是一个重要的、分子复杂的细胞发育过程,上皮细胞在此过程中失去顶基极性和细胞间接触,变得可运动,并获得间充质特征。在病理生理条件下,EMT在癌症进展和转移中起核心作用,并与纤维化疾病有关。微环境变化,如氧水平的改变和缺氧信号通过缺氧诱导因子(HIF)的激活,正在成为EMT的重要触发和调节剂。最近的见解潜在的分子机制的氧依赖调节的这一过程和他们的相关性疾病进行了讨论。
Epithelial-to-mesenchymal transition (EMT) is a developmentally vital, molecularly complex cellular process by which epithelial cells lose apico–basal polarity and cell–cell contact, become motile, and acquire mesenchymal characteristics. Under pathophysiological conditions EMT has a central role in cancer progression and metastasis, and has been associated with fibrotic disorders. Microenvironmental changes such as alterations in oxygen levels and activation of hypoxic signaling through hypoxia-inducible factor (HIF) are emerging as important triggers and modulators of EMT. Recent insights into potential molecular mechanisms underlying oxygen-dependent regulation of this process and their relevance to disease are discussed.
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