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논문 기본 정보

자료유형
학술저널
저자정보
Kwon, Tae-Oh (Medicinal Resources Research Institute, Wonkwang University, College of Life Science and Natural Resources, Wonkwang University) Jeong, Seung-Il (Jeonju Biomaterials Institute) Kwon, Ji-Wong (Medicinal Resources Research Institute, Wonkwang University) Kim, Youn-Chul (Medicinal Resources Research Institute, Wonkwang University) Jang, Seon-Il (School of Alternative Medicine & Health Science, College of Alternative Medicine, Jeonju 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 제31권 제9호
발행연도
2008.1
수록면
1,172 - 1,178 (7page)

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In this study, we investigated the effects of continentalic acid (CA, (-)-pimara-8(14),15-diene-19-oic acid), a diterpenic acid, isolated from Aralia continentalis, on the proliferation and apoptosis induction of HepG2 cells. In 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay, the inhibitory effect became gradually stronger with the passage of time, 24, 48 and 72 h after treatment with CA, and the most significant effect was observed at 72 h. CA treatment for 72 h induced DNA fragmentation in a dose-dependant manner. Furthermore, flow cytometric analysis of HepG2 cells exposed to CA showed that apoptotic cells increased in a dose-dependent manner. The induction of apoptosis in HepG2 cells by CA was mediated through the activation of caspase-3, Bak, and Bax, and then through the cleavage of peroxisome proliferator-activated receptor (PARP) and the down-regulation of Bcl-2. These results demonstrate that CA efficiently induces apoptosis and is a good candidate for further evaluation as an effective chemotherapeutic agent.

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