MAOB and glioblastoma: Data from the TCGC database indicates that all major glioma sub-types have a similar MAOB mRNA distribution, with the minimum showing > 2.5-fold the level of normal brain tissue, the average ≈ 8-fold greater, and maximal > 30-fold higher (166 GBM, 283 LGG-WT, and 233 LGG-IDH mut) [48, 49].