Reactivity of monoclonal antibodies directed against blood group antigens M and N. 1984

H H Sonneborn, and H Uthemann, and A C Munro, and M Bruce, and R H Fraser, and G Inglis

In order to get more standardized reagents for blood group typing and to get more information on the chemical nature of blood group antigens we have immunized Balb/c mice with whole red blood cells and with sialoglycoprotein fraction from group OMMss cells. As fusion partners mouse myeloma cell lines P3-NS1/1-Ag 4-1 and X63-Ag8.653 were used. Several monoclonal antibodies were obtained, which showed specificity for the M/N antigens. Because of the relationship between M and N antigens this system is a very good example for studying the influence of different parameters on the reactivity of monoclonal antibodies. Each monoclonal antibody behaves like an individuum and for each antibody the dependence of the agglutination reaction of temperature, pH, buffer for dilution and medium, in which the reaction takes place, has to be investigated. Otherwise the results are not comparable and unspecific reactions might occur. By standardizing these parameters specific reactions were obtained and the antibodies might be used as routine reagents.

UI MeSH Term Description Entries
D008951 MNSs Blood-Group System A system of universal human blood group isoantigens with many associated subgroups. The M and N traits are codominant and the S and s traits are probably very closely linked alleles, including the U antigen. This system is most frequently used in paternity studies. Blood-Group System, MNSs,Blood-Group Systems, MNSs,MNSs Blood Group System,MNSs Blood-Group Systems,System, MNSs Blood-Group,Systems, MNSs Blood-Group
D012015 Reference Standards A basis of value established for the measure of quantity, weight, extent or quality, e.g. weight standards, standard solutions, methods, techniques, and procedures used in diagnosis and therapy. Standard Preparations,Standards, Reference,Preparations, Standard,Standardization,Standards,Preparation, Standard,Reference Standard,Standard Preparation,Standard, Reference
D001788 Blood Grouping and Crossmatching Testing erythrocytes to determine presence or absence of blood-group antigens, testing of serum to determine the presence or absence of antibodies to these antigens, and selecting biocompatible blood by crossmatching samples from the donor against samples from the recipient. Crossmatching is performed prior to transfusion. Blood Typing,Crossmatching, Blood,Blood Grouping,Blood Crossmatching,Grouping, Blood,Typing, Blood
D002021 Buffers A chemical system that functions to control the levels of specific ions in solution. When the level of hydrogen ion in solution is controlled the system is called a pH buffer. Buffer
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006863 Hydrogen-Ion Concentration The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH pH,Concentration, Hydrogen-Ion,Concentrations, Hydrogen-Ion,Hydrogen Ion Concentration,Hydrogen-Ion Concentrations
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal
D000918 Antibody Specificity The property of antibodies which enables them to react with some ANTIGENIC DETERMINANTS and not with others. Specificity is dependent on chemical composition, physical forces, and molecular structure at the binding site. Antibody Specificities,Specificities, Antibody,Specificity, Antibody
D013696 Temperature The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms. Temperatures

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