Effects of the overexpression of PAK6 on the proliferation, migration and invasion of HeLa cells. (A) PAK6 mRNA expression levels in stable PAK6 overexpressing HeLa cells were analyzed. (B) PAK6 protein expression levels were analyzed in stable PAK6 overexpressing HeLa cells using western blotting. (C) Semi-quantification of PAK6 expression levels presented in part (B). (D) Cell Counting Kit-8 assays and (E) colony formation assays were used to analyze the proliferative rate of stable PAK6 overexpressing HeLa cells. (F) Semi-quantification of the number of colonies formed from part (E). (G) Cell migration and invasion were determined in stable overexpressing PAK6 HeLa cells, (magnification ×200). (H) Semi-quantification of the number of invasive cells from part (G). (I) Semi-quantification of the migratory cell number from part (G). *P<0.05, **P<0.01 vs. PAK6 NC. PAK6, p21-activated kinase 6; NC, negative control.