TCGA Wanderer analysis revealed that among the 13 NK gene signatures surveyed, expression of CD244 (p = 0.01), CD160 (p = 0.00281), PRF1 (p = 0.00225), and GNLY (p = 0.0273) was higher in GBM compared to normal tissue (Figure 3F). Here, PRF1 is linked to glioblastoma.