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RAW 264.7 Cell에서 세이지에 의한 염증성 Cytokine 및 iNOS억제 효과
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  • RAW 264.7 Cell에서 세이지에 의한 염증성 Cytokine 및 iNOS억제 효과
저자명
현은아,이혜자,윤원종,박수영,강희경,김세재,유은숙
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약학회지
권/호정보
2004년|48권 2호|pp.159-164 (6 pages)
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Primary pro-inflammatory cytokines are a trio: tumor necrosis- $alpha$ (TNF-$alpha$), interleukine-$eta$ (IL-$eta$), and interleukine-6 (IL-6). These cytokines initiate and regulate the acute-phase inflammatory response during infection, trauma, or stress and appear to play an important role in the immune process. Nitric oxide (NO) is a multi-functional mediator, which plays an important role in regulating various biological functions in vivo. NO production by inducible nitric oxide synthase (iNOS) in macrophages is essential for the defense mechanisms against microorganisms and tumor cells. However, over-expression of iNOS by various stimuli, resulting in over-production of NO, contributes to the pathogenesis of septic shock and some inflammatory and auto-immune disease. Solvent fractions of sage ( Salvia officinalis L.), which is cultivated in Jeju-Do, was assayed for their effects on TNF-$alpha$ and IL-6 production in LPS-stimulated RAW 264.7 macrophages. Hexane and ethylacetate (EtOAc) fraction of sage inhibited the protein and mRNA expression of TNF-$alpha$ and IL-6 in LPS stimulated RAW 264.7 cells at the concentration of 100 $mu extrm{g}$/$mell$. Also, incubation of RAW 264.7 cells with the fraction of hexane or EtOAc (50 $mu extrm{g}$/$mell$) inhibited the LPS induced nitrite accumulation and the LPS/IFN-${gamma}$ induced iNOS protein. And this inhibition of iNOS protein is concordant with the inhibition of iNOS mRNA expression. Above results suggest that extract of sage may have anti-inflammatory activity through the inhibition of pro-inflammatory cytokines (TNF-$alpha$, IL-1$eta$, IL-6), iNOS and NO.