IDH1 and glioma: Pediatric high-grade gliomas also commonly harbor IDH1 R132H and BRAF V600E mutations, as well as CDKN2A, NF1, TP53, PDGFRA, PIK3CA, PIK3R1, and FGFR1 alterations and NTRK fusions [43, 44], providing further potential therapeutic targets.