The protective effects of propolis and flunixin meglumine on feed intake, antioxidant status and histological parameters in liver and kidney tissues against excess copper in rats

Abstract

This experiment was conducted to determine the protective effects of flunixin meglumine and propolis on feed
intake, antioxidant status and histological parameters in kidney and liver tissues in rats exposed to excessive copper. In this study
individually housed thirty-six male Sprague-Dawley rats were used. Animals were randomly divided into six groups; control, copper
sulphate (500 mg/kg BW/day, gavage), flunixin meglumine (2.2 mg/kg BW/day, ip), propolis (100 mg/kg BW/day, gavage), copper
sulphate+flunixin meglumine (500 mg/kg BW/day of copper sulphate by gavage and 2.2 mg/kg BW/day of flunixin meglumine, ip)
and copper sulphate+propolis (500 mg/kg BW/day of copper sulphate and 100 mg/kg BW/day of propolis by gavage). The study
demonstrated that body weight change in the copper sulphate+propolis group significantly ameliorated in comparison with copper
group (P<0.01). Propolis and flunixin meglumine administration significantly decreased MDA levels in the kidney and liver tissues,
and serum TNF-α levels (P<0.001). Propolis supplementation to rats who were also treated with copper significantly increased the
superoxide dismutase, catalase and reduced glutathione activities (P<0.001). Flunixin meglumine and propolis treatments decreased
the copper-induced degenerative and necrotic changes with the apoptotic cells in the liver and kidney tissues. In conclusion, propolis
appeared to ameliorate the adverse effects on feed intake, liver and kidney tissues seeing in the copper treatment and, apparently caused
by the copper toxicity, by scavenging the free radicals and increasing activity of antioxidants.  

Keywords

• Antioxidant status
• copper
• flunixin meglumine
• histological changes
• propolis

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