In the TCGA LGGGBM cohort there were significant differences between the patients separated by subtype (CL+ME vs. NE+PN), MGMT promoter status, 1p19q codel status, IDH status, age, grade, cancer (LGG vs. GBM), but not by gender (Figure 2C–2J). Here, IDH1 is linked to glioblastoma.