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- W4256572097 abstract "Carboplatin, a second-generation platinum-containing anti-cancer drug, is currently being used against human cancers. High-dose carboplatin chemotherapy can cause renal tubular injury in cancer patients. We have shown a dose-dependent nephrotoxicity of carboplatin in a rat model. However, the time response of carboplatin-induced renal injury has not been explored. This study investigated the time response of carboplatin-induced nephrotoxicity in rat. Male Wistar rats (250–300 g) were divided into two groups of 30 animals each and treated as follows: (1) control (saline, intraperitoneally) and (2) carboplatin (256 mg kg−1, intraperitoneally). The animals (n=6) from each group were sacrificed 1–5 days after treatment. The blood and kidneys were isolated and analyzed. Plasma creatinine, blood urea nitrogen (BUN), and blood urea levels were increased significantly in response to carboplatin in a time-dependent manner, indicating potential nephrotoxicity. Carboplatin time-dependently increased the renal platinum concentration, renal xanthine oxidase activity, increased membrane lipid peroxidation (MDA) concentration, while ratio of reduced-to-oxidized glutathione (GSH/GSSG) depleted significantly, indicating oxidative renal injury. Renal anti-oxidant enzymes, such as cytosolic copper/zinc-superoxide dismutase (CuZn-SOD) and mitochondrial manganese (Mn)-SOD, catalase (CAT), and glutathione peroxidase (GSH-Px) activities were decreased significantly due to carboplatin 3–5 days post-treatment. The protein expressions of renal CuZn-SOD and Mn-SOD significantly depleted 3–5 days after carboplatin administration, indicating decline in de novo synthesis of enzyme proteins. The data suggested that carboplatin caused time-dependent oxidative renal injury, as evidenced by renal anti-oxidant depletion, enhanced lipid peroxidation, platinum content, plasma creatinine BUN, and blood urea levels in rats." @default.
- W4256572097 created "2022-05-12" @default.
- W4256572097 creator A5067591674 @default.
- W4256572097 date "2004-05-01" @default.
- W4256572097 modified "2023-09-27" @default.
- W4256572097 title "Time response of carboplatin-induced nephrotoxicity in rats" @default.
- W4256572097 doi "https://doi.org/10.1016/s1043-6618(04)00098-2" @default.
- W4256572097 hasPublicationYear "2004" @default.
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