For instance, N-acetylglucosaminyltransferase V (GnT-V), sialyltransferases ST3Gal-I, ST6Gal1 and ST6GalNAc, and fucosyltransferases FUT1, FUT2, FUT3, FUT4 and FUT8 are often overexpressed in tumor cells (Table 1) [2,32]. The gene discussed is ST3GAL1; the disease is neoplasm.