To examine the relationships between patient survival and ARNT2 expression, we used the Xena Functional Genomics Explorer that links TCGA survival data to gene expression level and found that ARNT2 expression was inversely correlated with poor patient survival in two types of cancers, PAAD and glioma (LGG-GBM) (Fig. 2B and S2B). Here, ARNT2 is linked to central nervous system cancer.