AKT1 and glioblastoma: Importantly, we found that MYST1 expression was significantly correlated with the expression of EGFR and its downstream target, such as AKT1 and MAPK3 (ERK1) in a TCGA cohort titled Tumor GBM TCGA‐540‐MAS5.0‐u133a (Figure 5C‐E).