The results showed that CLDN9, AK4, PC, GPC1, and SRD5A3 were upregulated in EC tissues compared to in normal endometrium tissues, whereas B4GALT1, GMPPB, B4GALT4, and CHST6 were downregulated in tumor tissues (Fig. 3). This evidence concerns the gene B4GALT4 and neoplasm.