Diospyros perigrena bark extract induced apoptosis in filarial parasite Setaria cervi through generation of reactive oxygen species
2015
AbstractContext: Lymphatic filariasis is a major neglected tropical disease. Diospyros perigrena Gurke (Ebenaceae) was selected for antifilarial chemotherapy because of unavailability of proper medicine. In India, different parts of this plant were used for the treatment of diabetes, diarrhea, dysentery, cholera, mouth ulcers, and wounds.Objective: The present study was undertaken to access antifilarial potential and mechanism of action of n-butanol extract (NBE) of D. perigrena stem bark on Setaria cervi Rudolphi (Onchocercidae).Materials and methods: In vitro efficacy and apoptotic mechanism were evaluated by Hoechst, TUNEL, DNA fragmentation assay, pro- and anti-apoptotic gene expression in NBE (250, 125, 62.5, 31.25, and 15.6 µg/ml)-treated S. cervi after 24 h of incubation. Reactive oxygen species (ROS) up-regulation was also determined by GSH, GST, SOD assays, and super oxide anion level.Results: Significant in vitro antifilarial activity of NBE was found 50% inhibitory concentration (IC50): adult =...
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