Four of these were similarly associated with longer survival within individual diffuse glioma subtypes: lnc-GBMT-7, lnc-GBMT-10, and lnc-PNMA8C-5 within GBM and lnc-SLC19A1-12 within GBM and oligodendroglioma. This evidence concerns the gene SLC19A1 and glioblastoma.