A mucin containing the X, Y, and H type 2 carbohydrate determinants is shed by carcinoma cells.


Monoclonal antibody BR 15-6A directed to the Y carbohydrate determinant (Fuc alpha 1----2Gal beta 1----4GlcNAc(3----1Fuc) beta 1----3Gal beta 1----4Glc beta 1----1Cer) reacted with the cell surface and conditioned media of colorectal and breast carcinoma cell lines. Double determinant immunoassays using BR 15-6A as detector antibody showed that the Y… (More)


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