In vitro assessment of GBP1, ETV7 and CXCL13. (A) The protein levels of GBP1, ETV7 and CXCL13 were measured by western blotting in A2780 cells transfected with siRNAs. (B) CCK-8 assays were performed to evaluate the proliferation of GBP1-, ETV7- and CXCL13-knockdown cells. (C) The colony-forming ability of A2780 cells was assessed to determine the effects of GBP1, ETV7 or CXCL13 downregulation on cell growth. (D) The invasion potential of cells was assessed using a Transwell assay. The scale bar represents 100 μm. NC: negative control. * indicates p< 0.05.