Downregulation of inducible nitric oxide synthetase by neurotrophin-3 in microglia

Shun Fen Tzeng, Hsin Ying Huang

研究成果: Article同行評審

36 引文 斯高帕斯(Scopus)

摘要

Microglia activated after many neurological degeneration of the central nervous system (CNS) act as important regulators for neuropathogenesis in the injured CNS via producing proinflammatory mediators, such as nitric oxide (NO), TNF-α, and IL-1β. Neurotrophin-3 (NT-3) is a well-known trophic factor for neural survival, development, and plasticity. Activated microglia are NT-3-producing cells in the injured CNS, and express its receptor-TrkC. However, little is known about the effect of NT-3 on activated microglia. In this study, pre-treatment of a mouse microglial cell line, BV2, with NT-3 for 24 h indicated that NT-3 reduced the inducible form of NO synthase (iNOS), NO, and TNF-α in BV2 stimulated with lipopolysaccharide (LPS). NT-3 exerted less effect on the reduction of these proinflammatory mediators when it was added to BV2 cultures either simultaneously with LPS or post LPS treatment. These findings indicate that NT-3 may serve as an anti-inflammatory factor to suppress microglial activation.

原文English
頁(從 - 到)227-233
頁數7
期刊Journal of Cellular Biochemistry
90
發行號2
DOIs
出版狀態Published - 2003 十月 1

All Science Journal Classification (ASJC) codes

  • 生物化學
  • 分子生物學
  • 細胞生物學

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