Unravelling mechanisms of p53-mediated tumour suppression.

Unravelling mechanisms of p53-mediated tumour suppression.
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DOI:
10.1038/nrc3711
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发表时间:
2014-05
期刊:
Nature reviews. Cancer
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其他
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p53是一种重要的肿瘤抑制因子,通过协调特定的细胞反应,包括短暂的细胞周期停滞,细胞衰老和凋亡,这些都是与肿瘤抑制相关的过程,从而对不同的应激信号做出反应。然而,最近的研究已经挑战了这些典型的细胞反应对p53介导的肿瘤抑制的相对重要性,并强调了p53在调节其他细胞过程中的作用,包括代谢,干细胞维持,侵袭和转移,以及肿瘤微环境中的通信。在这篇观点文章中,我们讨论了经典的p53功能,以及新兴的p53调节过程,在肿瘤抑制中的作用。
p53 is a crucial tumour suppressor that responds to diverse stress signals by orchestrating specific cellular responses, including transient cell cycle arrest, cellular senescence and apoptosis, which are all processes associated with tumour suppression. However, recent studies have challenged the relative importance of these canonical cellular responses for p53-mediated tumour suppression and have highlighted roles for p53 in modulating other cellular processes, including metabolism, stem cell maintenance, invasion and metastasis, as well as communication within the tumour microenvironment. In this Opinion article, we discuss the roles of classical p53 functions, as well as emerging p53-regulated processes, in tumour suppression.
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