YY1 and colorectal carcinoma: In CRC, YY1 protein is highly expressed presumably stemming from impaired ubiquitination, promoter hypomethylation and negative regulation of ncRNAs.26, 27, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 56