p53 and Tumor Suppression: It Takes a Network.

p53 and Tumor Suppression: It Takes a Network.
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DOI:
10.1016/j.tcb.2020.12.011
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发表时间:
2021-04
影响因子:
19
通讯作者:
Attardi LD
Attardi LD
中科院分区:
生物学1区
文献类型:
--
作者:
Boutelle AM;Attardi LD

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TP 53肿瘤抑制基因是人类癌症中最常见的突变基因。p53通过转录调节在各种细胞过程中发挥作用的靶基因网络来抑制肿瘤发生。虽然最初被描述为对急性DNA损伤的反应的关键调节剂-细胞凋亡和细胞周期停滞的激活-但最近的研究强调了p53下游的新途径和转录靶点,其调节肿瘤抑制中的基因组完整性、代谢、氧化还原生物学、干性和非细胞自主信号传导。在这里,我们总结了我们目前对p53介导的肿瘤抑制的理解,将最近的研究结果从小鼠模型和无偏筛选的背景下,以前的研究和争论的p53转录网络在抑制癌症的多效性的重要性。
The TP53 tumor suppressor is the most frequently mutated gene in human cancer. p53 suppresses tumorigenesis by transcriptionally regulating a network of target genes that play roles in various cellular processes. Though originally characterized as a critical regulator for responses to acute DNA damage - activation of apoptosis and cell cycle arrest – recent studies have highlighted new pathways and transcriptional targets downstream of p53 regulating genomic integrity, metabolism, redox biology, stemness, and non-cell autonomous signaling in tumor suppression. Here, we summarize our current understanding of p53-mediated tumor suppression, situating recent findings from mouse models and unbiased screens in the context of previous studies and arguing for the importance of the pleiotropic effects of the p53 transcriptional network in inhibiting cancer.
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