According to this analysis, no expression of BRDT, CSAG2, CTAG1A, CT45, CXORF61, MAGEA2, MAGEB4, SLCO6A1, SPANX N1, SPANX N2, SPANX N3, SPANX N4 or SSX7 was detected in the GBM samples examined, whereas MAGE-A1 (6%), MAGE-B6 (6%), BAGE (12%), SPO11 (12%) NFX2 (18%), and XAGE1 (18%) transcripts were rarely detected. Here, SPO11 is linked to glioblastoma.