C1GALT1C1 and colorectal carcinoma: Cosmc and T-synthase protein in Tn+ CRC (HT-29-Tn+ and LS174T-Tn+) cells was also lower than that in Tn− CRC (HT-29-Tn− and LS174T-Tn−) cells (Fig. 7c and Additional file 1: Fig. S3).