Fig. 1.
Expression of CPXM2 in osteosarcoma cell lines. a Relative mRNA expression level of CDN12 in osteosarcoma cell lines versus fetal osteoblast cells. b Protein expression of CPXM2 in and osteosarcoma cell lines versus fetal osteoblast cells. c The relative protein expression of CPXM2 in and osteosarcoma cell lines versus fetal osteoblast cells. **P < 0.01 vs. fetal osteoblast cells. OS, osteosarcoma; CPXM2, Carboxypeptidase X, M14 family member 2