Additionally, significantly less cells migrated away from the primary tumor site in case of the FGFR4-blocked BTL1528 model, as compared to its GFP subline (Fig. 6J right and photomicrographs), confirming a key role of FGFR4 on the invasive potential of this FGFR4high GBM model. The gene discussed is FGFR4; the disease is glioblastoma.