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논문 기본 정보

자료유형
학술저널
저자정보
Youn, Myung-Ja (Vestibulocochlear Research Center & Department of Microbiology, Wonkwang University) Kim, Yun-Ha (Vestibulocochlear Research Center & Department of Microbiology, Wonkwang University) Kim, Hyung-Jin (Vestibulocochlear Research Center & Department of Microbiology, Wonkwang University) Song, Je-Ho (Department of Beauty Design, Wonkwang University) Jeon, Ho-Sung (School of Oriental Medicine, Wonkwang University) Yu, Dong-Hee (School of Oriental Medicine, Wonkwang University) Sul, Jeong-Dug (College of Sport Science, Chung-Ang University) So, Hong-Seob (Vestibulocochlear Research Center & Department of Microbiology, Wonkwang University) Park, Rae-Kil (Vestibulocochlear Research Center & Department of Microbiology, Wonkwang University)
저널정보
대한동의생리학회 동의생리병리학회지 동의생리병리학회지 제23권 제6호
발행연도
2009.1
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1,449 - 1,459 (11page)

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Coptidis rhizoma (huanglian) is an herb that is widely used in traditional Chinese medicine that has recently been shown to possess anticancer activity. However, the molecular mechanism underlying the anticancer effects of this herb is poorly understood. In this study, we investigated the anticancer activity of a combination of CR extract and arsenic trioxide, as well as the apoptotic pathway associated with its mechanism of action in human lung cancer H157 cells. Combined treatment of H157 cells with CR extract and arsenic trioxide resulted in significant apoptotic death. In addition, combined treatment with CR extract and arsenic trioxide acted in concert to induce a loss of mitochondrial membrane potential (${\Delta}{\Psi}$), the release of cytochrome c from mitochondria, and an increase in the expression of pro-apoptotic p53 and Bax protein, which resulted in activation of caspases and apoptosis. CR extract combined with arsenic trioxide also increased the lipid peroxidation, mRNA expression of DR4 and DR5 and caspase-8 activity. These data indicate that combined treatment with CR extract and arsenic trioxide enhanced apoptotic cell death in H157 cells through diverse pathways, including mitochondrial dysfunction and death receptors, particularly DR4 and DR5. Thus, this treatment may be an effective from of chemotherapy.

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