Hakan GÜLLÜOĞLU, Neşe BAŞAK, İsmail SEVEN, Pınar TATLI SEVEN, Burcu GÜL BAYKALIR, Tuba PARLAK AK

The protective effects of chrysin and flunixin meglumine against excess copper in male rats

Thirty-six Sprague Dawley male rats were housed in individual cages and randomly divided into six groups: control, coppersulfate (Cu; 500 ppm body weight (BW)/day), flunixin meglumine (FM; 2.2 ppm BW/day), chrysin (chrysin; 50 ppm BW/day), coppersulfate + FM (Cu + FM; 500 ppm BW/day of copper sulfate and 2.2 ppm BW/day of FM), and copper sulfate + chrysin (Cu + Chrysin;500 ppm BW/day of copper sulfate and 50 ppm BW/day of chrysin). Feed intake (FI) in the Cu + Chrysin group significantly increasedin comparison with that of the Cu group (P < 0.01). Cu excess significantly increased malondialdehyde, indicating oxidative stress.Chrysin and FM administration significantly decreased malondialdehyde levels and increased the superoxide dismutase and catalaseactivities in the liver and kidney tissues (P < 0.001). Serum TNF-α levels were significantly lower in the Cu + FM and Cu + Chrysingroups in comparison to the Cu group (P < 0.001). It was seen that FM and chrysin treatments alleviated degeneration, necrosis, andapoptosis in the liver and kidney tissues of the Cu-treated rats. Chrysin appeared to ameliorate the adverse effects on FI and liver andkidney tissues by scavenging where the free radicals are located and increasing the activity of antioxidants.

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