NPTN and cancer: Here we identified 11 membrane proteins (Q6YHK3 | CD109, P54709 | AT1B3, P30450 | 1A26, P21589 | 5NTD, P23229 | ITA6, P00533 | EGFR, P16144 | ITB4, P78536 | ADA17, O14672 | ADA10, Q9Y639 | NPTN, and P18084 | ITB5) including 3 integrins (P23229 | ITA6, P16144 | ITB4, and P18084 | ITB5) which have hypersialylated N-glycans in HCT116 cancer cells.