A-associated H-antigens, monoclonal antibodies specific thereto and methods for employing the same in blood typing

摘要

The present invention relates to antigens present in blood group A and blood group AB erythrocytes but absent in blood group B and blood group O erythrocytes. More specifically, the present invention relates to A- associated H-antigens having the following structure: ##STR1## wherein X is a sugar residue and n=0 or a positive integer and wherein R is a primary amino group containing material selected from the group consisting of a polypeptide, a primary amino group containing liquid and a primary amino group containing support; monoclonal antibodies specific thereto and methods for employing the same in blood typing.