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Effects of piperlongumine (PL) on the proliferation and migration of MCF-7 cells. (A) Cell viability was determined using the trypan blue dye exclusion test. Data represent the mean ± SEM (n = 3). * Significantly different compared with the control (p < 0.05). (B) Cell migration was evaluated using a wound healing assay. The widths of the wounds were photographed using an inverted microscope (40× magnification). The images shown are representatives of three independent experiments.
