Then, the levels of O-GlcNAcylation, OGT, and EZH2 were investigated using IHC in 100 CRC tissues (Supplemental Fig. 7D) that were divided into three groups (weak, medium, or strong) according to the IHC score (Supplemental Fig.7, E and F). Here, EZH2 is linked to colorectal carcinoma.