学科主题临床医学
SARS-CoV nucleocapsid protein induced apoptosis of COS-1 mediated by the mitochondrial pathway
Zhang, Lu; Wei, Lai; Jiang, Dong; Wang, Jianghua; Cong, Xu; Fei, Ran
关键词Apoptosis Mitochondrial Pathway Reactive Oxygen Species (Ros) Sars Coronavirus Nuleocapsid
刊名ARTIFICIAL CELLS BLOOD SUBSTITUTES AND BIOTECHNOLOGY
2007
DOI10.1080/10731190601188422
35期:2页:237-253
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Biotechnology & Applied Microbiology ; Engineering, Biomedical ; Materials Science, Biomaterials
研究领域[WOS]Biotechnology & Applied Microbiology ; Engineering ; Materials Science
关键词[WOS]ACUTE RESPIRATORY SYNDROME ; CORONAVIRUS ; CELLS ; PHOSPHATIDYLSERINE ; ACTIVATION ; INDUCTION ; CASPASE-3 ; PATHOLOGY ; DOMAIN
英文摘要

To investigate the apoptosis effect of SARS coronavirus nucleocapsid protein on cultured cell lines and to explore the possible pathway of apoptosis. pCDNA3.1(-)/his-myc vector containing the SARS coronavirus nucleocapsid gene (N), matric gene (M), spike gene (S) were transfected into COS-1, Huh-7 and HepG2 cells. Apoptosis induced by SARS coronavirus N protein under starvation of serum of COS-1 cells was monitored by Annexin V and electron microscopy assays. Intracellular reactive oxygen species (ROS) and mitochondrial membrane potential (Delta Psi m) were determined by flow cytometric assay. Cytochrome C, cleaved caspase (cysteine aspartic acid protease)-3, 9, and poly (ADP-ribose) polymerase (PARP) were detected by Western blot. After removal of serum in COS-1 cells, we observed the loss of Delta Psi m, the increase of ROS and cytochrome C release into cytosol and subsequent activation of caspase-3 and PARP cleavage. The pan-caspase inhibitor z-VAD-fmk can block the activation of caspase 3, 9 and PARP cleavage. In conclusion, SARS coronavirus N protein can induce apoptosis of COS-1 cells by activating mitochondrial pathway. SARS coronavirus M, S protein can not induce apoptosis in COS-1, HepG2 and Huh-7 and SARS coronavirus N protein can not induce apoptosis in HepG2 and Huh-7 by methods used in this study.

语种英语
WOS记录号WOS:000245791700007
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/52816
专题北京大学第二临床医学院_北京大学肝病研究所
作者单位Peking Univ, Hlth Sci Ctr, Peoples Hosp, Inst Hepatol, Beijing 100044, Peoples R China
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GB/T 7714
Zhang, Lu,Wei, Lai,Jiang, Dong,et al. SARS-CoV nucleocapsid protein induced apoptosis of COS-1 mediated by the mitochondrial pathway[J]. ARTIFICIAL CELLS BLOOD SUBSTITUTES AND BIOTECHNOLOGY,2007,35(2):237-253.
APA Zhang, Lu,Wei, Lai,Jiang, Dong,Wang, Jianghua,Cong, Xu,&Fei, Ran.(2007).SARS-CoV nucleocapsid protein induced apoptosis of COS-1 mediated by the mitochondrial pathway.ARTIFICIAL CELLS BLOOD SUBSTITUTES AND BIOTECHNOLOGY,35(2),237-253.
MLA Zhang, Lu,et al."SARS-CoV nucleocapsid protein induced apoptosis of COS-1 mediated by the mitochondrial pathway".ARTIFICIAL CELLS BLOOD SUBSTITUTES AND BIOTECHNOLOGY 35.2(2007):237-253.
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