Apop-1 Induces caspase-dependent Apoptosis

被引:0
|
作者
Sun, Xin [1 ]
Lv, Gang [1 ]
Gao, Ling [1 ]
Kong, Fanli [1 ]
Zhu, Xiaotao [2 ]
Tian, Dan [1 ]
Tong, Haibin [1 ]
Chu, Xiaodan [1 ]
Xie, Yu
机构
[1] Beihua Univ China, Life Sci Ctr, Jilin, Jilin, Peoples R China
[2] Cent Hosp Jilin, Dept Surg, Jilin, Jilin, Peoples R China
关键词
Apop-1; VSMC; Apoptosis; SMOOTH-MUSCLE-CELLS; ATHEROSCLEROTIC PLAQUES; CYTOCHROME-C; MITOCHONDRIA; RELEASE; DEATH;
D O I
暂无
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
Apoptosis is a form of genetically programmed cell death, which plays a pivotal role in normal development and the maintenance of homeostasis of a variety of tissues including cardiovascular system. Apop-1 is a soluble protein consisting of 194 amino acids with a mitochondrial localization signal at its N-terminus. RT-PCR data revealed that Apop-1 is expressed in all the organs tested. Immunofluorescence study showed that Apop-1 protein is localized in mitochondria. Transient transfection experiment showed Apop-1 induces apoptosis of cultured VSMC, and this apoptosis is inhibited by a pan-caspase inhibitor Z-VAD. The apoptosis induced by Apop-1 may contribute to the loss of VSMC in atherosclerosis, which will influence the stability of atherosclerotic plaques.
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页数:4
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