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The morphological and biochemical effects of glibornuride on rat liver in experimental diabetes

Bolkent

Department of Biology, Faculty of Science, Istanbul University, 34459 Vezneciler, Turkey

R Yanarda

Department of Chemistry, Faculty of Engineering, Istanbul University, 34850 Avcilar, Istanbul, Turkey

Ö Karabulut-Bulan

Department of Biology, Faculty of Science, Istanbul University, 34459 Vezneciler, Turkey

Ö Özsoy-Saçan

Department of Chemistry, Faculty of Engineering, Istanbul University, 34850 Avcilar, Istanbul, Turkey

Glibornuride is a sulphonylurea derivative used as an oral hypoglycaemic drug in diabetics. The aim of this study was to examine the histological, ultrastructural and biochemical effects of glibornuride in streptozotocin (STZ)-treated rats. The animals were rendered diabetic by intraperitoneal injection of 65 mg/kg STZ. Fourteen days later, glibornuride was given at 5 mg/kg by gavage, daily for 28 days, to one STZ-diabetic and one control group. In the STZ-diabetic group, remarkable degenerative changes were observed. On the other hand, in the STZ-diabetic group given glibornuride, the degenerative changes decreased. In the STZ-diabetic group, blood glucose levels, serum aspartate transaminase activity, and total lipid levels increased, whereas the blood glutathione levels decreased. In contrast, in the STZ-diabetic group given glibornuride blood glucose levels, serum aspartate transaminase activity and total lipid levels decreased and blood glutathione levels increased. Significant changes in total protein levels in the serum were not observed in any group. As a conclusion, we can say that glibornuride has a protective effect against the hepatotoxicity produced by STZ-diabetes.

Key Words: diabetes mellitus • glibornuride • hepatotoxicity • liver • rat

Human & Experimental Toxicology, Vol. 23, No. 5, 257-264 (2004)
DOI: 10.1191/0960327104ht444oa


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