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Cytotoxic effect of pterodontic acid on MDCK cells. For pterodontic acid cytotoxicity assays, MDCK cells were incubated with different concentrations of the compound. After 48 h, cell viability was measured by MTT assay. Values represent the mean (%) ± SD from three independent experiments. An ANOVA with Tamhane’s post-hoc analysis was applied, *** p < 0.001, relative to the values of untreated cells.
