(A) Proliferation of human lung carcinoma A549-CD147, A549-pEGFP, A549-siCD147 and A549-pSicoR cells, as detected by cell counting kit-8 assay. (B) Invasiveness of A549-CD147, A549-pEGFP, A549-siCD147 and A549-pSicoR cells as detected by Transwell assay. (C) Migration of A549-CD147, A549-pEGFP, A549-siCD147 and A549-pSicoR cells as detected by scratch assay. *P<0.05; **P<0.01. CD, cluster of differentiation; D, day.