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Anti-Inflammatory Effect of Aqueous Extract of Scolopendrae Corpus in RAW 264.7 Cells

마우스 대식세포주인 RAW 264.7 세포에서 오공(蜈蚣)의 항염증 효과

  • Jo, Il-Joo (Dept. of Beauty Science, Kwangju women's University) ;
  • Choi, Mee-Ok (Dept. of Beauty Science, Kwangju women's University) ;
  • Park, Min-Cheol (Dept. of Oriental Medical Ophthalmology & Otolaryngology & Dermatology, College of Oriental Medicine, Wonkwang University) ;
  • Song, Ho-Joon (Dept. of Herbology, College of Oriental Medicine, Wonkwang University) ;
  • Park, Sung-Joo (Dept. of Herbology, College of Oriental Medicine, Wonkwang University)
  • 조일주 (광주여자대학교 미용과학과) ;
  • 최미옥 (광주여자대학교 미용과학과) ;
  • 박민철 (원광대학교 부속한방병원 안이비인후피부과) ;
  • 송호준 (원광대학교 한의과대학 본초학교) ;
  • 박성주 (원광대학교 한의과대학 본초학교실)
  • Received : 2011.08.15
  • Accepted : 2011.09.17
  • Published : 2011.09.30

Abstract

Objective : The purpose of this study was to investigate the anti-inflammatory effects of aqueous extract from Scolopendrae Corpus (SC) on lipopolysaccharide (LPS)-induced inflammatory response. Methods : To evaluate the anti-inflammatory effects of SC, we examined the inflammatory mediators such as nitric oxide (NO) and pro-inflammatory cytokines (TNF-a, inteleukin (IL)-$1{\beta}$ and IL-6) on RAW 264.7 cells. We also examined molecular mechanisms such as mitogen-activated protein kinases (MAPKs) and inhibitory kappa B a ($I{\kappa}$-Ba) using western blot. Furthermore, we also investigated the effect of SC on LPS-induced endotoxin shock. Results : Extract from SC itself had not any cytotoxic effect in RAW 264.7 cells. Aqueous extract from SC inhibited LPS-induced NO production and iNOS expression. SC pre-treatment also inhibited IL-$1{\beta}$, IL-6 production in RAW 264.7 cells. To investigate inhibitory effects of SC on inflammatory mediators, activation of MAPKs was examined. SC inhibited the phosphorylation of p38 kinases (p38), c-Jun $NH_2$-terminal kinase (JNK) and also the degradation of $I{\kappa}$-$B{\alpha}$ in RAW 264.7 cells stimulated with LPS. Furthermore, SC administration reduced LPS-induced endotoxin shock. Conclusion : SC down-regulated LPS-induced production of inflammatory mediators through inhibition of activation of p38, JNK and degradation of $I{\kappa}$-$B{\alpha}$. Taken together, our results suggest that SC may be a beneficial drug against inflammatory diseases such as sepsis.

Keywords

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