Overall, by comparing to PA, we identified subtype-specific pathways in neural tumors: PAK signaling (PTPRD and PDGFRB) in GBM, regulation of CFTR activity pathway (PPP2R1A, RABEP1) in MBL, and ERK signaling (IRS4 and ATM) in NBL. This evidence concerns the gene MAPK1 and glioblastoma.