Archives of Pharmacal Research

  • 제27권9호
  • /
  • Pages.930-936
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  • 2004
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  • 0253-6269(pISSN)
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  • 1976-3786(eISSN)
대한약학회 (The Pharmaceutical Society of Korea)
권호 표지

Neuroprotective Effect of Wogonin： Potential Roles of Inflammatory Cytokines

  • Piao, Hua-Zi (Department of Pharmacology, College of Medicine, Ewha Institute of Neuroscience, Ewha Womens University, Department of pharmacology, College of Medicine, Yanbian University) ;
  • Jin, Shun-Ai (Yan-Ji Hospital) ;
  • Chun, Hyang-Sook (Korea Food Research Institute) ;
  • Lee, Jae-Chul (Department of Pharmacology, College of Medicine, Ewha Institute of Neuroscience, Ewha Womens University) ;
  • Kim, Won-Ki (Department of Pharmacology, College of Medicine, Ewha Institute of Neuroscience, Ewha Womens University)
  • 발행 : 2004.09.01
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초록

Wogonin (5,7-dihydroxy-8-methoxyflavone), an active component originated from the root of Scutellaria baicalensis Georgi, has been reported to possess antioxidant and anti-inflamma-tory properties. In this study, we investigated the neuroprotective effect of wogonin in a focal cerebral ischemia rat model. Wogonin markedly reduced the infarct volume after 2 h middle cerebral artery occlusion followed by 22 h reperfusion. Wogonin decreased the production of nitric oxide and inflammatory cytokines such as TNF-$\alpha$ and IL-6 in lipopolisaccharide-stimu-lated microglial cells. While wogonin reduced the activity of NF-$textsc{k}$B, it did not change the activ-ity of mitogen-activated protein kinases family members, p38, ERK and JNK. The lipopolisaccharide-stimulated production of NO and cytokines was significantly blocked by vari-ous kinds of NF-$textsc{k}$B inhibitors such as N-acetyl cysteine, pyrrolidinedithiocarbamate and MG-132. The data may indicate that wogonin has neuroprotective effect by preventing the over-activation of microglial cells, possibly by inactivating NF-$textsc{k}$B signaling pathway

키워드

참고문헌

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