程序性坏死的分子调控机制

被引:9
作者
谢婉丽
王惠清
武庆平
机构
[1] 华中科技大学同济医学院附属协和医院麻醉科
关键词
程序性坏死; 受体相互作用蛋白1; 受体相互作用蛋白3; 活性氧;
D O I
暂无
中图分类号
R329.2 [人体细胞学];
学科分类号
100107 [人体解剖与组织胚胎学(人体解剖学、组织与胚胎学)];
摘要
背景程序性坏死作为一种可调控的坏死,日渐受到各领域的关注。目的通过总结程序性坏死的受体、通路、相关分子之间的相互作用,旨在为相关领域的研究提供参考。内容程序性坏死由死亡受体介导,在凋亡通路受到抑制的情况下发生。非泛素化的受体相互作用蛋白1(receptor-interact protein 1,RIP1)大量聚集形成复合体Ⅱ,以及RIP3与RIP1相互作用,是启动程序性坏死的关键。Necrostatin-1是一种RIP激酶的变构抑制剂,它能阻断程序性坏死。程序性坏死的发生需能量,当代谢增加,线粒体产生大量的活性氧(reactive oxygen species,ROS),可作为下游信号转导分子参与肿瘤坏死因子(tumornecrosis factor,TNF)介导的细胞程序性坏死。趋向程序性坏死广泛参与炎症、创伤等多种疾病的发生发展,对指导临床治疗具有深远意义。
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