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Biosynthesis of bloodgroup I and i antigens. A sensitive and specific assay of UDP-GlcNAc:beta-galactoside beta 1----3-N-acetylglucosaminyltransferase activity in hematopoietic cells by HPLC. 1986

A H Koenderman, and P L Loppen, and L A Marinus, and D H van den Eijnden
Department of Medical Chemistry, Vrije Universiteit, Amsterdam, The Netherlands.

A sensitive HPLC method for the assay of UDP-GlcNAc:beta-galactoside beta 1----3-N-acetylglucosaminyltransferase activity was developed. Using lactose as an acceptor, the formation of the product GlcNAc beta 1----3Gal beta 1----4Glc can be determined without interference by substrates resulting from enzymatic and chemical breakdown of the donor substrate UDP-GlcNAc. The method is very specific since products of other transferase reactions, which potentially may be formed in the incubations in vitro, elute at positions different from that of GlcNAc beta 1----3Gal beta 1----4Glc. By use of this assay method it could be demonstrated that normal and malignant hematopoietic cells and cell-lines, with the exception of erythrocytes and reticulocytes, contain beta 1----3-N-acetylglucosaminyltransferase activity.

UI MeSH Term Description Entries
D007048 I Blood-Group System A blood group related both to the ABO and P systems that includes several different antigens found in most people on erythrocytes, in milk, and in saliva. The antibodies react only at low temperatures. Blood-Group System, I,Blood-Group Systems, I,I Blood Group System,I Blood-Group Systems,System, I Blood-Group,Systems, I Blood-Group
D007519 Isoantigens Antigens that exist in alternative (allelic) forms in a single species. When an isoantigen is encountered by species members who lack it, an immune response is induced. Typical isoantigens are the BLOOD GROUP ANTIGENS. Alloantigens,Alloantigen,Isoantigen
D001789 Blood Group Antigens Sets of cell surface antigens located on BLOOD CELLS. They are usually membrane GLYCOPROTEINS or GLYCOLIPIDS that are antigenically distinguished by their carbohydrate moieties. Blood Group,Blood Group Antigen,Blood Groups,Antigen, Blood Group,Antigens, Blood Group,Group Antigen, Blood,Group, Blood,Groups, Blood
D001853 Bone Marrow The soft tissue filling the cavities of bones. Bone marrow exists in two types, yellow and red. Yellow marrow is found in the large cavities of large bones and consists mostly of fat cells and a few primitive blood cells. Red marrow is a hematopoietic tissue and is the site of production of erythrocytes and granular leukocytes. Bone marrow is made up of a framework of connective tissue containing branching fibers with the frame being filled with marrow cells. Marrow,Red Marrow,Yellow Marrow,Marrow, Bone,Marrow, Red,Marrow, Yellow
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D002851 Chromatography, High Pressure Liquid Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed. Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D005964 Glucosyltransferases Enzymes that catalyze the transfer of glucose from a nucleoside diphosphate glucose to an acceptor molecule which is frequently another carbohydrate. EC 2.4.1.-. Glucosyltransferase
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D017351 N-Acetylglucosaminyltransferases Enzymes that catalyze the transfer of N-acetylglucosamine from a nucleoside diphosphate N-acetylglucosamine to an acceptor molecule which is frequently another carbohydrate. EC 2.4.1.-. N-Acetylglucosamine Transferases,N Acetylglucosamine Transferases,N Acetylglucosaminyltransferases,Transferases, N-Acetylglucosamine

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