Comparison of induction of Diabetes mellitus with alloxan in different doses in Wistar rats
DOI:
https://doi.org/10.5433/1679-0359.2014v35n4Suplp2463Keywords:
Alloxan, Diabetes, Endocrinology, Glycemia, Rat.Abstract
Diabetes mellitus is a metabolic disorder associated with hyperglycemia and caused by defect in insulin secretion. The search for better understanding of the mechanisms of induction of experimental diabetes and its complications is very important. The purpose of this study was to compare the induction of diabetes mellitus using alloxan 2% in Wistar rats at different doses. Doses of 120, 150, 200mg/kg alloxan 2% and control group were compared. Hyperglycemia and death were observed in all groups, but the higher glycemia and less percentage of death were significant at a dose of 120mg/kg. Glycosuria, polyuria and polydipsia were present in the animals of the three groups, but were significantly higher for G2 compared to other groups and weight loss was more intense in G1. Decreased urinary density was significant in G2 compared to G1 and G3 and there was an increase in urinary pH in all groups compared to control. Positive results for nitrite occurred in G2 and occult blood in the urine in all groups, with greater intensity for G1 followed by G2 and G3. Alloxan 2% intraperitoneally at the three doses used experimentally induced diabetes mellitus in Wistar rats. The dose of 120mg/kg was the most effective and induced disease in a greater number of animals and cause a lower incidence of death.
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