According to the results of the western blot assay, cleaved caspase-3 and cleaved caspase-9 levels increased, and VEGFR2 and Ki67 levels decreased in apatinib-treated synovial sarcoma mice compared to their levels in the mice of the DMSO group (Figure 5(d)). The gene discussed is CASP3; the disease is synovial sarcoma.