Battle against cancer: an everlasting saga of p53.

Battle against cancer: an everlasting saga of p53.
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DOI:
10.3390/ijms151222109
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发表时间:
2014-12-01
影响因子:
5.6
通讯作者:
Cho WC
Cho WC
中科院分区:
生物学2区
文献类型:
--
作者:
Hao Q;Cho WC

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癌症是最威胁生命的疾病之一,其特征在于恶性细胞的不受控制的生长和扩散。肿瘤抑制因子p53是肿瘤细胞生长和增殖的主要调节因子。在各种应激信号的作用下,p53可以被激活并转录诱导无数靶基因,包括蛋白质编码基因和非编码基因,控制细胞周期进程、DNA修复、衰老、凋亡、自噬和肿瘤细胞的代谢。然而,大约50%的人类癌症含有突变型p53,并且在大多数剩余的癌症中,p53通过多种机制失活。本文综述了近年来p53信号转导的分子基础,特别是新发现的核糖体应激-p53通路,以及通过激活野生型p53或恢复突变型p53在癌症中的功能来开发化疗药物的研究进展。对p53调控的充分理解将有助于开发有效的癌症治疗方法。
Cancer is one of the most life-threatening diseases characterized by uncontrolled growth and spread of malignant cells. The tumor suppressor p53 is the master regulator of tumor cell growth and proliferation. In response to various stress signals, p53 can be activated and transcriptionally induces a myriad of target genes, including both protein-encoding and non-coding genes, controlling cell cycle progression, DNA repair, senescence, apoptosis, autophagy and metabolism of tumor cells. However, around 50% of human cancers harbor mutant p53 and, in the majority of the remaining cancers, p53 is inactivated through multiple mechanisms. Herein, we review the recent progress in understanding the molecular basis of p53 signaling, particularly the newly identified ribosomal stress—p53 pathway, and the development of chemotherapeutics via activating wild-type p53 or restoring mutant p53 functions in cancer. A full understanding of p53 regulation will aid the development of effective cancer treatments.
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