Abstract
Selenium is an essential micronutrient with several biological roles in the human body, but supra nutritional consumption can cause toxic effects. The potential deleterious effects of organoselenium compounds are controversial. The compound α-(phenylselanyl) acetophenone (PSAP) exhibits antioxidant, antidepressant-like and glutathione peroxidase-like activity, which makes important the elucidation of any toxic effects. Hence, the present study aims to investigate the in vitro toxicity of PSAP in Chinese Hamster ovary cells (through MTT assay) and analyse its genotoxicity using the comet assay in mice leukocytes after acute or chronic treatments, alongside with biochemical analyses. Our results demonstrate that the oral administration of PSAP in acute (1, 5, 10, 50, 200 mg/kg) and chronic (1, 10, 50, 200 mg/kg) doses did not cause genotoxicity. The compound presented cytotoxic effect in the MTT assay just at 500 μM after 24 h of administration and at 250 and 500 μM after 48 and 72 h of administration. According to biochemical analysis, PSAP presented a minor toxic effect by altering δ-ALA-D activity in liver and catalase activity in kidney at the highest tested concentration. Taking together, these data indicate that PSAP has low toxic effects after chronic administration in mice.
Published Version
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