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Anti-invasion effects of AA on human lung cancer cells. H460, H23 and A549 cells were treated with AA (6.25 μM) for 24 h. Cell invasion was evaluated by Transwell invasion assay. a The invaded cells were imaged in at least five random fields and calculated as a percentage of those in the control group. b The data are the mean ± SEM from three independent experiments (n = 3). *, p < 0.05 vs nontreated cells. Scale bar = 20 μm
