Effect of endotoxin on expression of angiotensin converting enzyme-2 in cultured rat pulmonary microvascular endothelial cells

OBJECTIVE: To observe the effects of endotoxin on angiotensin converting enzyme-2 (ACE2) expression in rat pulmonary microvascular endothelial cells (RPMVECs) in vitro, and discuss the role of ACE2 in endotoxin-induced acute lung injury (ALI)

Bibliographische Detailangaben
Veröffentlicht in:Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue. - 1998. - 20(2008), 10 vom: 17. Okt., Seite 582-4
1. Verfasser: Wang, Nan (VerfasserIn)
Weitere Verfasser: Zhang, Hong, Sun, Geng-yun
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 Endotoxins RNA, Messenger Peptidyl-Dipeptidase A EC 3.4.15.1 Ace2 protein, rat EC 3.4.17.23 Angiotensin-Converting Enzyme 2
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245 1 0 |a Effect of endotoxin on expression of angiotensin converting enzyme-2 in cultured rat pulmonary microvascular endothelial cells 
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500 |a Citation Status MEDLINE 
520 |a OBJECTIVE: To observe the effects of endotoxin on angiotensin converting enzyme-2 (ACE2) expression in rat pulmonary microvascular endothelial cells (RPMVECs) in vitro, and discuss the role of ACE2 in endotoxin-induced acute lung injury (ALI) 
520 |a METHODS: In vitro, cultured RPMVECs were incubated with endotoxin (10 mg/L), the expression of ACE2 mRNA and protein were detected by reverse transcriptase-polymerase chain reaction (RT-PCR) and Western blotting techniques at time points of 3, 6, 12, and 24 hours respectively after incubation with endotoxin 
520 |a RESULTS: After the treatment of RPMVECs with endotoxin (10 mg/L), the levels of ACE2 mRNA and protein decreased significantly, and then they increased slightly at 6 hours, followed by a continuous decrease until 24 hours. The statistic analysis demonstrated that, except at the 6-hour time point, the levels of ACE2 mRNA and protein expression at other time points were lower than those of control group significantly (P<0.05 or P<0.01) 
520 |a CONCLUSION: The downregulation of ACE2 mRNA and protein expression in RPMVECs by endotoxin may play an important role in pathogenesis of ALI 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Zhang, Hong  |e verfasserin  |4 aut 
700 1 |a Sun, Geng-yun  |e verfasserin  |4 aut 
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