Over-gene expression in the apoptotic, oxidative damage and liver injure in female rats exposed to butralin
2020
Refaie, Amel A. | Ramadan, Amal | Sabry, Nevien M. | Khalil, Wagdy K. B. | Mossa, Abdel-Tawab H.
The present study is the first report for studying the toxic effects of butralin herbicide on COX2, BAX, and Bcl2 gene expression, oxidative stress, and liver damage in female rats. Female rats were received butralin in drinking water for 28 days at concentration 4.16, 312, and 3120 mg/L that corresponded to the acceptable daily intake (ADI), no observed adverse effect level (NOAEL), and 10 NOAEL, respectively. Butralin decreased body weights and increased relative liver weight of female rats exposed to high dose. It caused significant elevation in liver function enzymes, lipid peroxidation, and reactive oxygen species (ROS). Antioxidant enzymes were decreased in liver tissue by increasing the dose. Butralin induced over-expression in the apoptotic related genes including COX2, BAX, and Bcl2 and pathological alteration in the liver of female rats especially at a high dose. It can be concluded that butralin induced oxidative damage and liver injure. The mechanism of damage could be due to generate reactive oxygen species, and increase lipid peroxidation that causes over-expression in the apoptotic related genes including COX2, BAX, and Bcl2. From the Benchmark dose (BMD) approach, there is dose-dependent manner in body weight, AST, ALT, and ALP, and ALT is a very sensitive parameter.
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