When we compared two GBM lines (GBM-6 and GBM-44) having wild-type levels of PTEN [46] but with different levels of FIH-1 (Figure 5D), This data is in parallel with mRNA expression data (Figure 5B) where we observed GBM-44 and -15 only expressed high FIH mRNA. This evidence concerns the gene PTEN and glioblastoma.