GFAP and glioma: As shown in Figures 5D&E, R0E3 cells derived from GFAP-EGFRvIII; GFAP-Cre/RictorloxP/loxP glial tumors demonstrated increased motility as compared to Ric0, GFAP-Cre/RictorloxP/loxP -derived glial tumors.