The p53 Pathway Encounters the MicroRNA World.

The p53 Pathway Encounters the MicroRNA World.
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DOI:
10.2174/138920209788185270
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发表时间:
2009-05
期刊:
影响因子:
2.6
通讯作者:
Li Y
Li Y
中科院分区:
生物学4区
文献类型:
--
作者:
Takwi A;Li Y

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p53 蛋白是一种转录因子,调节人类和其他高等真核生物的多种细胞过程,包括细胞增殖、分化、细胞周期和代谢。 p53 在肿瘤发展中发挥的核心作用引起了对 p53 激活和失活的广泛研究。 p53 及其通路及其反式激活靶标的调节对于理解肿瘤发生至关重要。最近,据报道 microRNA (miRNA) 可以被 p53 直接反式激活。同样,p53 及其途径的组成部分已被证明是 miRNA 的靶点,从而影响 p53 的活性。在这篇综述中,我们重点讨论 miRNA 在 p53 通路中的生物学和病理学作用。
The p53 protein is a transcription factor that regulates multiple cellular processes in human and other high eukaryotes including cell proliferation, differentiation, cell cycle, and metabolism. The central roles played by p53 in tumor development have drawn extensive studies on p53 activation and inactivation. The regulation of p53 and its pathway, as well as its transactivational targets is of prime importance in the understanding of tumorigenesis. Recently, microRNAs (miRNAs) have been reported to be directly transactivated by p53. Equally, p53 and components of its pathway have been shown to be targeted by miRNA thereby affecting p53 activities. In this review, we focus our discussion on the biological and pathological roles of miRNAs in the p53 pathway.
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