ART1 and glioblastoma: In contrast, a pronounced downregulation of ART1 mRNA expression was observed in GBM, CESC, LUAD, KIRP, KIPAN, PRAD, HNSC, KIRC, LUSC, WT, THCA, TGCT, UCS, ACC, and KICH (P < 0.05) (Figure 2).