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Ginsenoside Rg3 enhances the chemosensitivity of tumors to cisplatin by reducing the basal level of nuclear factor erythroid 2-related factor 2-mediated heme oxygenase-1/NAD(P)H quinone oxidoreductase-1 and prevents normal tissue damage by scavenging cisplatin-induced intracellular reactive oxygen species.

Authors
 Chang Ki Lee  ;  Kwang-Kyun Park  ;  An-Sik Chung  ;  Won-Yoon Chung 
Citation
 Food and Chemical Toxicology, Vol.50(7) : 2565-2574, 2012 
Journal Title
 Food and Chemical Toxicology 
ISSN
 0278-6915 
Issue Date
2012
Abstract
The clinical use of cisplatin (cis-diamminedichloroplatinum II) has been limited by the frequent emergence of cisplatin-resistant cell populations and numerous other adverse effects. Therefore, new agents are required to improve the therapy and health of cancer patients. Oral administration of ginsenoside Rg3 significantly inhibited tumor growth and promoted the anti-neoplastic efficacy of cisplatin in mice inoculated with CT-26 colon cancer cells. In addition, Rg3 administration remarkably inhibited cisplatin-induced nephrotoxicity, hepatotoxicity and oxidative stress. In cell-based experiments, Rg3 inhibited cisplatin-induced cytotoxicity in LLC-RK1 kidney and NCTC1469 liver cells but not in CT-26 cancer cells and significantly decreased cisplatin-induced intracellular ROS levels in these cells. In normal cells with cytoplasmically localized Nrf2 and negligible levels of HO-1 and NQO-1, Rg3 substantially decreased cisplatin-induced elevation in HO-1/NQO-1 levels and inhibited cisplatin-induced translocation of Nrf2 into the nucleus. In chemoresistant cancer cells with high levels of HO-1/NQO-1 and nuclear Nrf2, both basal and cisplatin-induced levels of HO-1/NQO-1 and nuclear Nrf2 were decreased by Rg3 treatment, thereby enhancing the susceptibility of cancer cells to cisplatin. Collectively, Rg3 promotes the efficacy of cisplatin by inhibiting HO-1 and NQO-1 expression in cancer cells and protects the kidney and liver against tissue damage by preventing cisplatin-induced intracellular ROS generation.
Full Text
http://www.sciencedirect.com/science/article/pii/S0278691512000142
DOI
10.1016/j.fct.2012.01.005
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
Yonsei Authors
박광균(Park, Kwang Kyun)
이창기(Lee, Chang Ki)
정원윤(Chung, Won Yoon) ORCID logo https://orcid.org/0000-0001-8428-9005
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/90294
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