Abstract
Gibberellic acid (GA(3)) is an endogenous plant growth regulator used worldwide in agriculture. The objective of this study was to investigate the effects of GA(3) on the kidney function of adult rats and their pups. Female Wistar rats were given daily 200ppm GA(3) in drinking water from the 14th day of pregnancy until day14 after delivery. GA(3) induced nephrotoxicity, as evidenced by a reduction in the 24-h urine volume and an increase in plasma creatinine, urea and uric acid levels. Nephrotoxicity was objectified by a significant increase of malondialdehyde level and a decrease of antioxidant enzyme activities like catalase, superoxide dismutase, glutathione peroxidase and glutathione content in kidneys of suckling pups and their mothers. Kidney histological studies confirmed biochemical parameters. We concluded that the exposure of rats to GA(3) induced oxidative stress and histopathological changes in kidneys of suckling rats and their mothers during late pregnancy and early postnatal periods.
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