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주제분류

은행잎의 주성분인 bilobalide가 염증반응에 미치는 효과
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The Effects of bilobalide Extracted from Ginkgonis Folium on Inflammation

논문 기본 정보

자료유형
학술저널
저자정보
정제룡 (중부대학교 한방제약과학과) 길기정 (중부대학교 한방제약과학과)
저널정보
대한본초학회 대한본초학회지(본초분과학회지) 대한본초학회지 제30권 제1호
발행연도
2015.1
수록면
85 - 93 (9page)

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표지
은행잎의 주성분인 bilobalide가 염증반응에 미치는 효과
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초록· 키워드

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Objectives : Bilobalide (BIL) is a predominant sesquiterpene trilactone constituent that accounts for a partial portion of the standardized Ginkgonis Folium extract, which has been widely used to treat a variety of neurological disorders involving cerebral ischemia and neurodegeneration. In this study, it was tested whether BIL exhibits anti-inflammatory activities on inflammation response, or not. Methods : To elucidate the molecular mechanisms of BIL on pharmacological and biochemical actions in inflammation, we examined the effect of BIL on pro-inflammatory mediators in lipopolysaccharide (LPS)-stimulated macrophages. The investigation was focused on how BIL affect on inflammation-related mediators including various signals such as nitric oxide (NO), prostaglandin $E_2$ ($PGE_2$), inducible NO synthase(iNOS), cyclooxygenase-2(COX-2), interleukin-6(IL-6), tumor necrosis $factor-{\alpha}$ ($TNF-{\alpha}$), mitogen-activated protein kinases(MAPKs) and nuclear factor kappa-light-chain-enhancer of activated B cells ($NF-{\kappa}B$) in LPS-stimulated RAW 264.7 cells. Results : We found that BIL inhibited LPS-induced NO, $PGE_2$, IL-6 and $TNF-{\alpha}$ productions as well as the expressions of iNOS and COX-2. Furthermore, BIL suppressed the LPS-induced phosphorylation for MAPK activation. Conclusions : These results suggest that BIL has inhibitory effects on LPS-induced $PGE_2$, NO, IL-6 and $TNF-{\alpha}$ production, as well as the expressions of iNOS and COX-2 in the murine macrophage. It seems that these inhibitory effects occur by blocking the phosphorylation of MAPKs for activation. Then, BIL suppressed the activation of nuclear factor $NF-{\kappa}B$ in nucleus. These observations suggest that BIL has anti-inflammatory effect by inhibiting.

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