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International Journal of Medical Sciences

.: Home > International Journal of Medical Sciences > 2004 > Volume 1 Number 3 > Vivian Yvonne Shin1, Wallace Hau-Leung So1, Edgar Shiu-Lam Liu2, Ying-Jye Wu2, Shiu- Fun Pang2 and Chi-Hin Cho1

Anti-tumorigenic and Pro-apoptotic effects of CKBM on gastric cancer growth in nude mice

Vivian Yvonne Shin1, Wallace Hau-Leung So1, Edgar Shiu-Lam Liu2, Ying-Jye Wu2, Shiu- Fun Pang2 and Chi-Hin Cho1
1 Department of Pharmacology, Faculty of Medicine, The University of Hong Kong, Hong Kong, HKSAR, China 2 CK Life Sciences Limited, Hong Kong, HKSAR, China
Abstract :

Natural botanical products can be integrated with western medicine to optimize the treatment outcome, increase immune function and minimize the side effects from western drug treatment. CKBM is a combination of herbs and yeasts formulated based on traditional Chinese medicinal
principles. Previous study has demonstrated that CKBM is capable of improving immune responsiveness through the induction of cytokine mediators, such as TNF-ل and IL-6. In this study, we aimed to investigate the effect of this immunomodulatory drug on gastric cancer growth using a human xenograft model. Gastric cancer tissues were implanted subcutaneously into athymic nude mice followed by a 14-day or 28-day of CKBM treatment. Results showed that higher doses of CKBM (0.4 or 0.8 ml/mouse/day) produced a dose-dependent inhibitory effect on gastric tumor growth after 28-day drug treatment. This was associated with a decrease of cellular proliferation by 30% with concomitant increase in apoptosis by 97% in gastric tumor cells when compared with the control group. In contrast, CKBM showed no effect on angiogenesis in gastric tumors. This study demonstrates the anti-tumorigenic action of CKBM on gastric cancer probably via inhibition of cell proliferation and induction of apoptosis, and provides future potential targets of this drug candidate on cancer therapy.

Keywords :
PCNA, apoptosis, angiogenesis, gastric cancer

Date Deposited : 04 Aug 2011 10:34

Last Modified : 04 Aug 2011 10:34

Official URL: http://www.medsci.org/archive

Volume 1, Number 3, - 2004 , ISSN 1449-1907

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