[Production and characterization of monoclonal antibodies to the secretory components of human IgA]. 1988

B Seidel, and D Hädge, and W Eichler, and H Fiebig
Bereich Tierphysiologie und Immunbiologié, Karl-Marx-Universität Leipzig.

The monoclonal antibodies BL-HSC/1-3 are characterized by means of indirect radioimmunotechnique with regard to their binding pattern to a set of human proteins. The results suggest a binding specificity of the three monoclonals for A-determinants of the human secretory component. However, we could not point out a different binding pattern to the immunoglobulin-bound and the free molecule, respectively. By use of appropriate immunoassays, the monoclonal antibody BL-HSC/3 is the most suitable one for the detection of the secretory component and secretory IgA in body fluids. The protein band labeled by BL-HSC/3 in the immunoblotting analysis corresponds to a molar mass of 79,000 D according to the data known for the human secretory component.

UI MeSH Term Description Entries
D007071 Immunoglobulin A, Secretory The principle immunoglobulin in exocrine secretions such as milk, respiratory and intestinal mucin, saliva and tears. The complete molecule (around 400 kD) is composed of two four-chain units of IMMUNOGLOBULIN A, one SECRETORY COMPONENT and one J chain (IMMUNOGLOBULIN J-CHAINS). Colostral IgA,IgA, Exocrine,IgA, Secretory,SIgA,Secretory IgA,Secretory Immunoglobulin A,Exocrine IgA,IgA, Colostral
D003126 Colostrum The thin, yellow, serous fluid secreted by the mammary glands during pregnancy and immediately postpartum before lactation begins. It consists of immunologically active substances, white blood cells, water, protein, fat, and carbohydrates. Colostrums
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
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
D013280 Stomatitis INFLAMMATION of the soft tissues of the MOUTH, such as MUCOSA; PALATE; GINGIVA; and LIP. Oral Mucositis,Mucositis, Oral,Oromucositis,Mucositides, Oral,Oral Mucositides,Oromucositides,Stomatitides

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