Fig. 3From: PENK inhibits osteosarcoma cell migration by activating the PI3K/Akt signaling pathwaya Relative expression of PENK in si-con-, si-PENK-1-, and si-PENK-2-treated cells. b Western blot analysis of PENK expression in si-con-, si-PENK-1-, and si-PENK-2-treated cells. c Effects of si-PENK-1 and si-PENK-2 on MG63 cell proliferation, as assessed by a CCK-8 assay. *P < 0.05Back to article page