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外源性及内源性细胞凋亡机制研究进展 被引量:29

Research progress in intrinsic and extrinsic mechanism of cell apoptosis
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摘要 细胞凋亡是由一系列信号分子精密调控的程序性死亡过程,在光镜和电镜下,以细胞皱缩、染色质固缩、以及凋亡体形成为主要特征。细胞凋亡参与多种重要的生理过程,如免疫系统的正常发育及功能、新老细胞更替、胚胎发育、激素依赖性萎缩等。促凋亡与抗凋亡信号分子间平衡被打破是多种人类疾病的根源,如神经退行性疾病、缺血性损伤、自身免疫性疾病及多种肿瘤等。凋亡机制被完全阐明后将极大地改进其相关疾病的治疗策略。目前,细胞凋亡的信号传导大体分为两条基本途径:①外源性途径,由TNF-a,TRAIL,FAS-L等死亡受体介导;②内源性途径,由线粒体外膜通透性增加所介导。现就上述两条通路的分子机制进行综述。
出处 《实用医院临床杂志》 2014年第2期170-174,共5页 Practical Journal of Clinical Medicine
基金 国家自然科学基金资助项目(编号:81200617)
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