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Drug Chem Toxicol. 2018 Jun 26:1-6. doi: 10.1080/01480545.2018.1481084. [Epub ahead of print]

Protective and antioxidant effects of copper-nicotinate complex against glycerol-induced nephrotoxicity in rats.

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a Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine , Aswan University , Aswan , Egypt.
b Department of Pharmacology, Faculty of Veterinary Medicine , Aswan University , Aswan , Egypt.
c Department of Physiology, Faculty of Medicine , Aswan University , Aswan , Egypt.


Copper-nicotinate complex (CNC) has antioxidant activities through scavenging of free radicals formed inside the body. CNC also has anti-tumor and anti-inflammatory activities. The current study was designed to determine the effect of glycerol on rat kidney function and oxidative stress as well as, the potential nephroprotective effects of CNC. Forty male Wistar rats were randomly allocated into four equal groups. The groups of rats were as follows: GI was kept under normal control conditions; GII was orally given CNC at a dose of 0.043 mg kg-1 body weight (BW), three times/week for 4 weeks; GIII was administered glycerol (topical application) at a dose of 3.15 ml kg-1 BW daily for 4 weeks; and GIV was given CNC and glycerol with the same dose and route. The results revealed that CNC improves the renal dysfunctions induced by glycerol by recovering the levels of urea and creatinine to normal, as well as through the antioxidant status manifested by the normalization of catalase, superoxide dismutase, reduced glutathione, and malondialdehyde levels. Moreover, by its effect as an anti-oxidant, CNC reduces the effect of glycerol on the kidney by decreasing the fibrosis, degenerative changes and necrotic changes in the renal tubules. In conclusion, CNC could alleviate the side effects that might be caused by glycerol.


Rats; antioxidant; copper-nicotinate complex; glycerol; nephroprotective

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