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논문 기본 정보

자료유형
학술저널
저자정보
Ji Yeon Seo (경북대학교) Soon Sung Lim (한림대학교) Jia Park (경북대학교) Ji-Sun Lim (경북대학교) Hyo Jung Kim (경북대학교) Hui Jung Kang (한림대학교) Jung Han Yoon Park (경성대학교) Jong-Sang Kim (경북대학교)
저널정보
대한지역사회영양학회 Nutrition Research and Practice Nutrition Research and Practice Vol.4 No.2
발행연도
2010.4
수록면
93 - 98 (6page)

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초록· 키워드

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Our previous study demonstrated that methanolic extract of Chrysanthemum zawadskii Herbich var. latilobum Kitamura (Compositae) has the potential to induce detoxifying enzymes such as NAD(P)H:(quinone acceptor) oxidoreductase 1 (EC 1.6.99.2) (NQO1, QR) and glutathione S-transferase (GST). In this study we further fractionated methanolic extract of Chrysanthemum zawadskii and investigated the detoxifying enzyme-inducing potential of each fraction. The fraction (CZ-6) shown the highest QR-inducing activity was found to contain (+)-(3S,4S,5R,8S)-(E)-8-acetoxy-4-hydroxy-3-isovaleroyloxy-2-(hexa-2,4-diynyliden)-1,6-dioxaspiro [4,5] decane and increased QR enzyme activity in a dose-dependent manner. Furthermore, CZ-6 fraction caused a dose-dependent enhancement of luciferase activity in HepG2-C8 cells generated by stably transfecting antioxidant response element-luciferase gene construct, suggesting that it induces antioxidant/detoxifying enzymes through antioxidant response element (ARE)-mediated transcriptional activation of the relevant genes. Although CZ-6 fraction failed to induce hepatic QR in mice over the control, it restored QR activity suppressed by CCl₄ treatment to the control level. Hepatic injury induced by CCl₄ was also slightly protected by pretreatment with CZ-6. In conclusion, although CZ-6 fractionated from methanolic extract of Chrysanthemum zawadskii did not cause a significant QR induction in mice organs such as liver, kidney, and stomach, it showed protective effect from liver damage caused by CCl₄.

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Abstract
Introduction
Materials and Methods
Results
Discussion
References

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