Figure 7. The expression levels of STC2. (A, B) The STC2 expression level in osteosarcoma and non-tumoral paired samples, based on the GSE99671 and GSE225588 cohort. (C) The qRT-PCR result of STC2 in hFOB 1.19, 143B, MG63, HOS cell lines. (D) The expressions of STC2 in tumor and adjacent normal tissues. *P<0.05, **P<0.01 and ***P<0.001.