COLGALT1 and bladder transitional cell carcinoma: We noticed COLGALT1 is highly expressed in cholangio carcinoma (CHOL), glioblastoma (GBM), bladder urothelial carcinoma (BLCA), KIRC, etc. and down-regulated in Kidney Chromophobe (KICH) compared with corresponding normal samples from the TCGA data set (Fig. 1A, B).