To determine the significance of UBE2J1 in CRC, the mRNA and protein levels of UBE2J1 in CRC patients’ samples were detected: 200 samples for qRT-PCR assay (cohort 1), 9 for western blotting assay, and 50 for IHC assay (cohort 2). This evidence concerns the gene UBE2J1 and colorectal carcinoma.