Among lncRNAs displaying expression differences between PN and MES GSCs, we identified six lncRNAs associated with survival in GBM and other cancers: CTD-2589M5.5, MYOSLID, CRNDE, AC005264.2, SOX21-AS1 and RP11-575F12.1. The gene discussed is SOX21; the disease is glioblastoma.