OLIG2 and glioma: We analyzed these cells for the expression of neural/stem precursor cell markers (OLIG1, OLIG2, CSPG4/NG2, NESTIN), which are also transcription factors and lineage markers associated with glioma stem cells (GSC) [32] (Supplemental Fig. 2C), and DMRTA2 (Supplemental Fig. 2B).