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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Kyung Tae (Department of Acupuncture & Moxibustion Medicine, College of Oriental Medicine, Gachon University) Song, Ho Sueb (Department of Acupuncture & Moxibustion Medicine, College of Oriental Medicine, Gachon University)
저널정보
대한침구의학회 대한침구의학회지 Journal of acupuncture research 제30권 제1호
발행연도
2013.1
수록면
43 - 55 (13page)

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I investigated whether snake venom toxin(SVT) from Vipera lebetina turanica enhances the apoptosis ability of tumor necrosis factor(TNF)-related apoptosis-inducing ligand(TRAIL) in cancer cells. TRAIL inhibited HCT116 cell growth in a dose-dependent manner. Consistent with cell growth inhibition, the expression of TRAIL receptors; DR4 and DR5 was significantly increased as well as apoptosis related proteins such as cleaved caspase-3, 8, 9 and Bax. However, the expression of survival proteins(eg, cFLIP, survivin, XIAP and Bcl2) was suppressed by the combination treatment of SVT and TRAIL. Pretreatment with the reactive oxygen species(ROS) scavenger N-acetylcysteine reduced the SVT and TRAIL-induced upregulation of DR4 and DR5 expression and expression of the apoptosis related protein such as caspase-3 and-9 as well as cell growth inhibitory effects. The collective results suggest that SVT facilitates TRAIL-induced apoptosis in human colorectal cancer HCT116 cells through up-regulation of the TRAIL receptors; DR4 and DR5 via ROS pathway signals.

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