Tissues toxicity attenuation by vitamin E on oxidative damage induced by diazinon

Kavoos Tahmasebi; Mahvash Jafari; Javad Heydari; Alireza Asgari; Maryam Salehi; Saeed Khazaie; Mohammad Saleh Abedini 5

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저자정보: Kavoos Tahmasebi (Baqiyatallah University of Medical Sciences) Mahvash Jafari (Baqiyatallah University of Medical Sciences) Javad Heydari (Baqiyatallah University of Medical Sciences) Alireza Asgari (Baqiyatallah University of Medical Sciences) Maryam Salehi (Baqiyatallah University of Medical Sciences) Saeed Khazaie (Baqiyatallah University of Medical Sciences) Mohammad Saleh Abedini 5 (Baqiyatallah University of Medical Sciences)

저널정보: 환경독성보건학회 Environmental Analysis Health and Toxicology Environmental Analysis Health and Toxicology Vol.37 No.4

발행연도: 2022.12

수록면: 108 - 119 (12page)

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Organophosphorus insecticides such as diazinon (DZN) are used worldwide in industry, veterinary practice, and agriculture. They may induce oxidative stress in different tissues. The use of antioxidants can protect tissues against oxidative stress. The aim of this study was to investigate the prophylactic and therapeutic roles of vitamin E against DZN–induced oxidative damage and biochemical alterations in various tissues of male Wistar rats. Thirty rats were divided into five groups: Control group received only corn oil as DZN solvent, DZN group received 100 mg/kg of DZN, E group received 150 mg/kg of vitamin E, E-DZN group received vitamin E and then dosed with DZN and DZN-E group received DZN and then dosed with vitamin E. All injections were carried out intraperitoneally. Plasma and various tissues were prepared and evaluated. Results showed that acute administration of DZN caused a significant induction of oxidative damage in the tested tissues via increased malondialdehyde level and some plasma biochemical indices, depletion of glutathione (GSH), reduced cholinesterase activity and change in the activities of superoxide dismutase, catalase and glutathione-S transferase. Treatment of rats with vitamin E resulted in an elevation in the level of GSH, normalizing the antioxidant enzymes activities and decreasing lipid peroxidation, although all these tests did not return to the normal level in certain tissues. The findings of this study suggest that both prophylactic and therapeutic treatments of rats with vitamin E provide a protective role against DZN-induced oxidative stress and cholinergic hyperactivity through free radicals scavenging and membrane stabilizing.

#diazinon #vitamin E #oxidative stress #biochemical parameters #rat #tissues

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