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Overexpression of PIK3CA gene increases cell migration and invasion of DHTS‐treated A2780 ovarian cancer cells. (A, B) Effect of PIK3CA overexpression on migration and invasion in DHTS‐treated A2780 cells after indicated plasmid transfection by wound‐healing assay (top) and transwell chamber migration and invasion assays (bottom). Cells were treated with DHTS (2 μM) for 24 h. Bar scale = 200 μm, **P < .01 vs. untreated control
