Aspirin-Triggered Lipoxin A4 Attenuates Lipopolysaccharide-Induced Intracellular ROS in BV2 Microglia Cells by Inhibiting the Function of NADPH Oxidase
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- 作者：Yan Wu (1) wuyan_uh@163.com
Heng Zhai (1)
Yanping Wang (2)
Longyan Li (2)
Jing Wu (2)
Fang Wang (1)
Shenggang Sun (1)
Shanglong Yao (2)
You Shang (2) shang_you@126.com - 关键词：Aspirin ; triggered – ; Lipoxin A4 – ; Microglia – ; Reactive oxygen species – ; NADPH oxidase
- 刊名：Neurochemical Research
- 出版年：2012
- 出版时间：August 2012
- 年：2012
- 卷：37
- 期：8
- 页码：1690-1696
- 全文大小：899.9 KB
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- ISSN：1573-6903
文摘
Lipoxins have emerged as mediators of key events in endogenous anti-inflammation and resolution. However, the implication of these novel lipid mediators on neuroinflammation has not been investigated. Microglia is the major cells involved in brain tissue damage during infection and neurodegenerative diseases. One of the major features shared by neuroinflammation conditions is the increased production of reactive oxygen species (ROS) generated by NADPH oxidase activation. In this study, we have examined whether aspirin-triggered lipoxin A4 (ATL) modulates ROS generation in BV2 cells. Pre-treatment of BV2 cells with ATL blocked ROS production triggered by LPS in the time-dependent and concentration-dependent manner. ATL inhibited the translocation of the cytoplasmic NADPH oxidase subunit p47phox to the cell membrane as well as NADPH oxidase activity. Taken together, these results demonstrate that ATL suppresses NADPH oxidase-mediated ROS generation in BV2 microglia cells, strongly indicating that ATL may play an important role against the development and progression of neuroinflammtion.