title: Establishment of a monoclonal antibody directed against Gb3Cer/CD77: a useful immunochemical reagent for a differentiation marker in Burkitt's lymphoma and germinal centre B cells.
abstract: A new monoclonal antibody (TU-1) directed against the Gal alpha 1-4Gal beta 1-4Glc residue of the Gb3Cer/CD77 antigen was prepared by the hybridoma technique following immunization of mice with an emulsion composed of monophosphoryl lipid A, trehalose dimycolate, and Gb3Cer isolated from porcine erythrocytes. TU-1 showed reactivity towards Gb3Cer and lyso-Gb3Cer(Gal alpha 1-4Gal beta 1-4Glc beta 1-1'Sph), although the reactivity towards lyso-Gb3Cer was about 10-fold lower than that to Gb3Cer. But it did not react with other structurally-related glycolipids, such as LacCer (Gal beta 1-4Glc beta 1-1'Cer), Gg3Cer, Gg4Cer, Gb4Cer (GalNAc beta 1-3Gal alpha 1-4Gal beta 1-4Glc beta 1-1'Cer), galactosylparagloboside (Gal alpha 1-3Gal beta 1-4GlcNAc beta 1-3Gal beta 1-4Glc beta 1-1'Cer), sulfatide (HSO3-3Gal beta 1-1'Cer), other gangliosides (GM3, GM2, GM1a, GD1a and GT1b), or P1 antigen (Gal alpha 1-4Gal beta 1-4GlcNAc beta 1-3Gal beta 1-4Glc beta 1-1'Cer) among neutral glycolipids prepared from P1 phenotype red blood cells. Furthermore, TU-1 reacted with viable lymphoma cells, such as human Burkitt lymphoma cell line, Daudi, and Epstein-Barr virus (EBV)-transformed B cells by the immunofluorescence method, and also with germinal centre B cells in human tonsil and vessel endothelial cells in human thymus histochemically. These results indicate that TU-1 is a monoclonal antibody directed against Gb3Cer/CD77 antigen and can be utilized as a diagnostic reagent for Burkitt's lymphoma and also for detection of the blood group Pk antigen in glycolipid extracts of erythrocytes.
authors.affiliation: Department of Biochemistry, University of Shizuoka School of Pharmaceutical Sciences, Japan.
authors.forename: D
authors.initials: D
authors.lastname: Miyamoto
authors.forename: T
authors.initials: T
authors.lastname: Ueno
authors.forename: S
authors.initials: S
authors.lastname: Takashima
authors.forename: K
authors.initials: K
authors.lastname: Ohta
authors.forename: T
authors.initials: T
authors.lastname: Miyawaki
authors.forename: T
authors.initials: T
authors.lastname: Suzuki
authors.forename: Y
authors.initials: Y
authors.lastname: Suzuki
mesh_terms: D000818:Animals; D000911:Antibodies, Monoclonal; D015703:Antigens, CD / Q000032:analysis* / Q000737:chemistry; D000944:Antigens, Differentiation, B-Lymphocyte / Q000032:analysis*; D001402:B-Lymphocytes / Q000276:immunology* / Q000473:pathology; D015415:Biomarkers; D002051:Burkitt Lymphoma / Q000276:immunology* / Q000473:pathology; D002240:Carbohydrate Sequence; D002454:Cell Differentiation; D002460:Cell Line; D002648:Child; D004797:Enzyme-Linked Immunosorbent Assay; D006017:Glycolipids / Q000032:analysis* / Q000737:chemistry; D018922:HL-60 Cells / Q000276:immunology; D006801:Humans; D007150:Immunohistochemistry; D051379:Mice; D008807:Mice, Inbred BALB C; D008969:Molecular Sequence Data; D014066:Palatine Tonsil / Q000276:immunology / Q000473:pathology; D013601:T-Lymphocytes / Q000166:cytology / Q000276:immunology / Q000473:pathology; D013950:Thymus Gland / Q000166:cytology / Q000276:immunology; D014281:Trihexosylceramides / Q000032:analysis* / Q000737:chemistry; D014407:Tumor Cells, Cultured
chemical_list: D000911:Antibodies, Monoclonal; D015703:Antigens, CD; D000944:Antigens, Differentiation, B-Lymphocyte; D015415:Biomarkers; D006017:Glycolipids; D014281:Trihexosylceramides; C018549:globotriaosylceramide