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标题：Protecting Cisplatin-Induced Nephrotoxicity with Cimetidine Does Not Affect Antitumor Activity
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作者：Hiromu Katsuda ; Mariko Yamashita ; Hideyuki Katsura 等
期刊名称：Biological and Pharmaceutical Bulletin
印刷版ISSN：0918-6158
电子版ISSN：1347-5215
出版年度：2010
卷号：33
期号：11
页码：1867-1871
DOI：10.1248/bpb.33.1867
出版社：The Pharmaceutical Society of Japan
摘要：The present study examined the influence of cimetidine on the nephrotoxicity and antitumor effects of cisplatin in vitro and in vivo . When the serum concentration of cimetidine was maintained over 20 μg/ml for 4 h by bolus and continuous intravenous infusion, cimetidine prevented nephrotoxicity of cisplatin without influencing antitumor activity. Cimetidine and the antioxidant N -acetylcysteine (NAC) significantly inhibited the in vitro growth inhibition of cisplatin in cells originating from the kidney, but not in SOSN2 osteosarcoma cells. Cimetidine (1 m M ) also did not influence platinum concentration in the cells, regardless of whether the organic cation transporter 2 (OCT2) was expressed. Cisplatin did induce reactive oxygen species (ROS) in the KN41 kidney cell line and cimetidine and NAC significantly reduced ROS production. However, cisplatin did not produce ROS in osteosarcoma cells. From these results, cimetidine clearly inhibits nephrotoxicity induced by cisplatin without any influence on the antitumor activity of cisplatin on osteosarcoma in vitro and in vivo .
关键词：cisplatin;cimetidine;nephrotoxicity;inhibition;reactive oxygen species