The cancer-associated Sialyl-Tn (STn) antigen is a short O-glycan containing a sialic acid residue in an α2,6-linkage to GalNAc α-O-Ser/Thr, and biosynthesis of the STn antigen is mediated by ST6GALNAC1 specifically [20]. Here, EEF1A2 is linked to cancer.