(G) Residual EGFL7 expression in BTPC11 glioma cells was reduced by a lentivirus-based approach. Knock-down of EGFL7 (shE7_1 or shE7_2) prolonged the median survival time of glioma-bearing mice (68 d or 69 d) as compared to scrambled control (shScr; 56 d; n = 6; log-rank test) 