CURCUMIN REVERSES DICHLORVOS-MEDIATED ERYTHROCYTE TOXICOSIS IN RATS BY ATTENUATING OXIDATIVE STRESS AND DEPLETION OF CELLULAR ACETYLCHOLINESTERASE
Keywords:
Curcumin, dichlorvos, erythrocyte, oxidative stress, acetylcholinesteraseAbstract
In low- and middle-income countries, including Nigeria, dichlorvos (DDVP) is a prevalent organophosphate insecticide. However, its misuse as a suicide agent and presence in food items endangers the human populace. Curcumin is known to modulate free radicals, antioxidant proteins, and lipid peroxidation. However, its effect on DDVP-induced erythrocyte intoxication remains undocumented in the scientific literature. Herein the influence of curcumin was examined on DDVP-mediated erythrocyte toxicosis in Wistar rats. Forty-two rats were randomly allocated to seven groups of six rats each: normal control, DDVP alone (20 mg/kg/day), DDVP delivered with curcumin (50 and 100 mg/kg/day) or atropine (0.2 mg/kg/day) as a reference drug, and curcumin alone (50 and 100 mg/kg/day). Rats were humanely killed after one week of gavage DDVP treatment and another two weeks of curcumin therapy; blood was collected, and erythrocytes were isolated. Sub-acute administration of curcumin markedly (p<0.05) attenuated DDVP-provoked augmentation in the erythrocyte concentrations of NO and malondialdehyde and the activity of GST. Curcumin abrogated DDVP-mediated decreased in erythrocyte GSH levels and activities of SOD, catalase, and glutathione peroxidase, acetylcholinesterase. Ultimately, curcumin ameliorated DDVP-mediated erythrocyte toxicosis via anti-oxidative and cholinergic mechanisms.
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