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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996
EISSN: 1596-5996
Vol. 12, No. 6, 2013, pp. 973-979
Bioline Code: pr13123
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 12, No. 6, 2013, pp. 973-979

 en Amelioration of Cisplatin-Induced Nephrotoxicity in Rats by Curcumin and α-Tocopherol
Palipoch, Sarawoot; Punsawad, Chuchard; Chinnapun, Dutsadee & Suwannalert, Prasit


Purpose: To investigate the possible protective role of curcumin and α-tocopherol against cisplatin-induced nephrotoxicity in rat.
Methods: Male Wistar rats were divided into five groups. Groups 1 and 2 were intraperitoneally (i.p.) injected with normal saline and cisplatin (20 mg/kg), respectively. Groups 3, 4 and 5 were pre-treated with a single doses of α-tocopherol (250 mg/kg), curcumin (200 mg/kg) and α-tocopherol with curcumin, respectively, for 24 h prior to the administration of cisplatin. After 72 h following injection, specimens were collected. Serum blood urea nitrogen (BUN), creatinine and malondialdehyde (MDA) levels, superoxide dismutase (SOD) and catalase activities, kidney histopathological study and gene expressions of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase and p38 mitogen-activated protein kinase (p38-MAPK) were investigated.
Results: Pre-treatment with combined curcumin and α-tocopherol exhibited significantly reduced MDA levels and enhanced activities of SOD and catalase compared with cisplatin-treated group (p < 0.05). It also improved BUN as well as creatinine levels and kidney histopathology. Moreover, gene expressions of NADPH oxidase were decreased, whereas p38-MAPK gene expressions were not significant compared with cisplatin-treated group.
Conclusion: Combined curcumin and α-tocopherol are able to reduce cisplatin-induced nephrotoxicity via possible inhibition of NADPH oxidase, resulting in improvement of kidney function and histology.

Cisplatin; Oxidative stress; Curcumin; α-Tocopherol; Nephrotoxicity

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