ASCL1 and glioblastoma: Additionally, expression of many of these genes is positively correlated with ASCL1 expression when analyzed across RNA‐seq of the 164 TCGA primary GBM samples, and Wnt and Notch Signaling were identified as some of the pathways significantly over‐represented by the ASCL1 target genes that we identified in the PDX‐GBMs (Figure 2j, Table S2).