EPHA2 and glioblastoma: Co-expression of PDGFRA-Flag with PDGFRA-HA, EPHA2-Flag with EPHA2-GFP, or PDGFRA-HA with EPHA2-Flag showed that PDGFRA and PDGFRA, EPHA2 and EPHA2, or PDGFRA and EPHA2 could form complex in GBM cells (Supplementary Fig. S2k).