Oxidative stress induced the expression of Bax and p53 during the apoptosis of alveolar type II epithelial cell

OBJECTIVE: To investigate the effects of oxidative stress on the survival and apoptosis of alveolar epithelial type II (ATII) cells, as well as the mechanisms of apoptosis

Bibliographische Detailangaben
Veröffentlicht in:Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue. - 1998. - 20(2008), 2 vom: 18. Feb., Seite 76-9
1. Verfasser: Fu, Yue-Qiang (VerfasserIn)
Weitere Verfasser: Lu, Zhong-Yi, Fang, Fang, Tan, Li-Ping, Kuang, Feng-Wu, Wang, Xing-Yong, Xu, Feng
Format: Aufsatz
Sprache:Chinese
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Bax protein, rat Tumor Suppressor Protein p53 bcl-2-Associated X Protein
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245 1 0 |a Oxidative stress induced the expression of Bax and p53 during the apoptosis of alveolar type II epithelial cell 
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500 |a Date Revised 24.11.2016 
500 |a published: Print 
500 |a Citation Status MEDLINE 
520 |a OBJECTIVE: To investigate the effects of oxidative stress on the survival and apoptosis of alveolar epithelial type II (ATII) cells, as well as the mechanisms of apoptosis 
520 |a METHODS: 500 mumol/L H(2)O(2) was added into primary ATII cells at different times and cell viability, apoptotic ratio and the expression of Bax and p53 were measured by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, flow cytometry (FCM) and Western blotting analysis, respectively. The change in mitochondrial membrane potential (MMP) was detected by fluorescence microscopy and FCM 
520 |a RESULTS: The cell viability and MMP were decreased by H(2)O(2) compared with the controls (F(1)=85.211, F(2)=72.453, respectively, both P<0.05). The cell apoptotic ratios were increased with the time of the stimulation prolonged compared with the controls (F=54.002, P<0.05). H(2)O(2) increased Bax and p53 protein levels (F(1)=28.118, F(2)=43.456, both P<0.05) 
520 |a CONCLUSION: High level of oxidative stress can inhibit ATII cells proliferation, and induce cells apoptosis and decrease the MMP. Up-regulation of the expression of Bax and p53 may contribute to its apoptosis effects 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Tumor Suppressor Protein p53  |2 NLM 
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700 1 |a Lu, Zhong-Yi  |e verfasserin  |4 aut 
700 1 |a Fang, Fang  |e verfasserin  |4 aut 
700 1 |a Tan, Li-Ping  |e verfasserin  |4 aut 
700 1 |a Kuang, Feng-Wu  |e verfasserin  |4 aut 
700 1 |a Wang, Xing-Yong  |e verfasserin  |4 aut 
700 1 |a Xu, Feng  |e verfasserin  |4 aut 
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