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  • Title: Hypolipidaemic activity of orally administered diphenyl diselenide in Triton WR-1339-induced hyperlipidaemia in mice.
    Author: da Rocha JT, Sperança A, Nogueira CW, Zeni G.
    Journal: J Pharm Pharmacol; 2009 Dec; 61(12):1673-9. PubMed ID: 19958591.
    Abstract:
    OBJECTIVES: A significant association between the trace element selenium and hypercholesterolaemia has been reported. This study was designed to investigate a potential hypolipidaemic effect of diphenyl diselenide ((PhSe)(2)) in Triton WR-1339-induced hyperlipidaemia in mice. METHODS: Triton was administered intraperitoneally (400 mg/kg) to overnight-fasted mice to develop acute hyperlipidaemia. (PhSe)(2) was administered orally (10 mg/kg) 30 min before Triton. At 24 h after Triton injection, blood samples were collected to measure plasma lipid levels. The hepatic thiobarbituric acid reactive substances and ascorbic acid levels as well as catalase and glutathione peroxidase activity were recorded. KEY FINDINGS: (PhSe)(2) administration significantly lowered total cholesterol, non-high-density lipoprotein-cholesterol and triglycerides, whilst it increased high-density lipoprotein-cholesterol levels in plasma of hyperlipidaemic mice. Neither oxidative stress nor the antioxidant effect of (PhSe)(2) was observed in the mouse liver in this experimental protocol. CONCLUSIONS: These findings indicated that (PhSe)(2) was able to lower plasma lipid concentrations. Further studies are needed to elucidate the exact mechanism by which (PhSe)(2) exerted its hypolipidaemic effect in the management of hyperlipidaemia and atherosclerosis.
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