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논문 기본 정보

자료유형
학술저널
저자정보
Park, Hee-Juhn (Division of Applied Plant Science, Sang-ji University) Kwon, Sang-Hyuk (Division of Applied Plant Science, Sang-ji University) Han, Yong-Nam (Natural Products Research Institute, Seoul National University) Choi, Jong-Won (College of Pharmacy, Kyung-Sung University) Miyamoto, Ken-ichi (Department of Hospital Pharmacy, School of Medicine, Kanazawa) Lee, Sung-Ho (College of Pharmacy, Kyung-Hee University) Lee, Kyung-Tae (College of Pharmacy, Kyung-Hee University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제24권 제4호
발행연도
2001.1
수록면
342 - 348 (7page)

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In a course of obtaining more amount of bioactive costunolide and successive phytochemical isolation from Magnolia sieboldii (Magnoliaceae), a novel acyclic monoterpene 1 named deoxygeraniol (2,6(E)-dimethyl-2,6-octadiene) was isolated along with $\beta$-sitosterol 3-O-linoleate (2), trilinolein (3) and high amount of costunolide (4) in the pure state. The structure of compound 1 was determined on the basis of spectroscopic data. Costunolide was found to induce apoptotic cell death in a dose-dependent manner by nucleosomal DNA ladder and flow cytometric analysis. Immunoblot analysis showed that the level of the anti-apoptotic protein, Bcl-2, was decreased, whereas the cleavage of poly-(ADP-ribose) polymerase was, activated furthermore, the N-acetyl-L-cysteine antioxidant effectively prevented costunolide-induced cytotoxicity. These results suggest that costunolide-induced cell death is mediated by reactive oxygen species.

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