ABCC3 and glioblastoma: Then, we used GEPIA to study the expressions of the abovementioned 6 genes and found that ABCC3 (Figure 2(a)), HIST1H2BK83 (Figure 2(b)), AK2 (Figure 2(c)), and ANXA1 (Figure 2(d)) exhibited an increased level in GBM specimens in contrast to healthy cerebrum specimens.