NRG3 and glioblastoma: In order to further determine the function of NRG3 in LGG and NRG1 in GBM, we analyzed the KEGG pathway and GO term enrichment of the high/low expression of NRG3 in patients with LGG (Figure 12) and high/low expression of NRG1 in patients with GBM (Figure 13), respectively.