The bioinformatics analysis of TCGA-GBM datasets demonstrated that the mRNA expression of USP6NL, EGFR (r2 = 0.177), RAD51 (r2 = 0.202), and BRCA2 (r2 = 0.282) was positively correlated (Figure 5A). The gene discussed is BRCA2; the disease is glioblastoma.