Pink Cedar ( Acrocarpus fraxinifolius ): its prophylactic role against APAP–induced organs toxicity in rats and its antiviral activity against Herpes simplex virus type 1
Résumé
Abstract The possible protective effects of methanolic extract Acrocarpus fraxinifolius leaves (MEAFL) were assessed against the APAP–induced organ toxicity in male rats. Also, the content of polyphenols extracted from AFL was studied, and their relationship with antioxidant activity was investigated. MEAFL was tested for cytotoxicity on Vero cell line, with reference to IC 50 , and other non-toxic concentrations of all the extracts. The antiviral activity against HSV1 for all non-toxic concentrations of the extract was determined using plaque reduction assay. It was found that MEAFL showed a reduction of serum hepatic and renal cellular toxicity and cellular lipid peroxidation, as well as enhanced cellular antioxidant. Also, our results revealed that the inhibitory activity of the virus was dose dependent on the polyphenol content of the examined extract. The MIC for the MEAFL extract was determined as well as the EC 50 and SI. Calculated SI showed promising value for the MEAFL, and hence can be used as therapeutic medication for HSV1. To study other possible mode of action, Vero cells were treated with the examined extracts before, during, and after virus infection to give an insight on the interference of the extract in each step in the virus life cycle. In conclusion, MEAFL showed a remarkable antioxidant effect against APAP induced organs toxicity. Also, examined extracts exhibited the antiviral activity against HSV1.
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