Knockdown of KIF23 inhibits proliferation and migration of TNBC cells. (A) Knockdown efficiency of KIF23-si1, si2 and si3 in MDA-MB-231 and BT549. (B,C,D,E) CCK8 assay, Clone formation assay, wound healing assay (×50) and transwell assay (×100). ns P>0.05, *P<0.05, **P<0.01, ***P<0.001, ****P<0.0001. All experiments were repeated three times.