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Actein promotes cell apoptosis in lung cancer cells. (A) A549 and (B) 95D cells were treated with different concentrations of actein prior to Hoechst 33258 staining for calculation of the apoptosis rate. (C) A549 and (D) 95D cells were treated with different concentrations of actein and then examined for caspase-3, −8 and −9 activities. *P<0.05, compared with untreated A549 cells; #P<0.05, compared with untreated 95D cells.
