B3GALT5 and malignant colon neoplasm: Expression of B3GALT5-LTR in colon tissue contributes up to 74% of the total B3GALT5 expression [11], and we found that B3GALT5-LTR accounted for ~80% of the total expressed B3GALT5 in the colon cancer cell line HT29 (Figure 1A).