In addition, analysis of 402 GBM from the TGCA dataset classified according to Verhaak et al. and corrected for IDH1 status, indicated that EFNB2 expression levels are highest in mesenchymal and classical GBM subtypes (Figure 6—figure supplement 1c) (Verhaak et al., 2010). This evidence concerns the gene EFNB2 and glioblastoma.