DKC1 and cancer: Our study shows that in most cancers, including READ, CESC, UCEC, LUAD, PRAD, KIRC, LGG, LAML, etc., the DNA methylation of DKC1 in the promoter region is downregulated and the expression of DKC1 is upregulated (Fig. S6 M to O, Fig S7 A to E).