p53在DNA损伤反应中的研究进展

被引:49
作者
王娅杰
孙华
刘耕陶
陈晓光
机构
[1] 中国医学科学院北京协和医学院药物研究所
关键词
p53; DNA损伤; MDM2; ATM;
D O I
暂无
中图分类号
R730.2 [肿瘤病理学、病因学];
学科分类号
100214 [肿瘤学];
摘要
p53基因是研究最广泛的抑癌基因之一,也是细胞内的一个强大的转录因子,在正常状态下呈低水平表达。在各种应激包括DNA损伤时,p53可以被不同的信号通路激活并稳定,通过增强其下游多种基因的转录而引起细胞周期阻滞、凋亡或衰老,保持细胞基因组的完整性并清除损伤细胞,这些生物学作用取决于不同的应激信号和细胞类型。p53通路是机体应对DNA损伤的天然防护屏障,对这一机制的深入研究可为肿瘤的发生发展和抗肿瘤药物的开发提供重要的信息。
引用
收藏
页码:1413 / 1419
页数:7
相关论文
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