Fig. 4

Western blot analysis of ex-mouse tumors. Western blot analysis of (p)PDGFRA/B, (p)EGFR and downstream MAPK and PI3K/AKT signaling pathways, performed on three different tumors per treatment group, collected after the 2-week treatment period. *MG-63 osteosarcoma cells stimulated with PDGF-BB, #MG-63 osteosarcoma cells stimulated with PDGF-AA, **HEK cells