WIF1 and colorectal carcinoma: Using the data of Gene Expression Omnibus (GEO) database (GSE32323), we found that WIF1 expression in CRC cell lines (HCT116 and PKO) had an increasing tendency after 5’-AZA-deoxycytidine treatment (5-AZA) (Supplementary Figure 5, Fold change > 1.10).