A549 cells expressing control shRNA, WDR63 shRNA#1, Arp2 shRNA, or both WDR63 and Arp2 shRNA were subjected to transwell migration (C) assays. The shown images are representative of three independent experiments. Data shown are mean ± SD (n=3). *, P ˂ 0.05; ***, P ˂ 0.001; N.S., no significance; One-way ANOVA. Scale bars in (C : 100 μm. 