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Labeling of platelet surface glycoproteins with biotin derivatives. 1992

F Fabris, and I Cordiano, and M Mazzuccato, and P Pradella, and M L Randi, and A Girolami
Istituto di Semeiotica Medica, Padua University, Medical School, Italy.

We describe a non-radioactive method for the labeling of platelet surface proteins, consisting of platelet protein biotinylation by means of N-hydroxysuccinimido-biotin (NHS-B) and biotin-hydrazide (H-B); NHS-B labels proteins amino residues while H-B binds to periodate-modified sialoglycoproteins. Washed platelets were biotinylated and protein bands were detected after SDS-electrophoresis and western-blot using avidin-peroxidase and luminol as substrate to enhance the signal which was then detected by X-ray film. Biotin-labeled platelet proteins were also immunoprecipitated with monoclonal antibodies against glycoproteins Ib and the IIb-IIIa complex. The use of periodate induced biotinylation is the method of choice for labeling platelet surface glycoproteins while NHS-B also labels internal proteins. The sensitivity of this new procedure is similar to that obtained with radiolabeling techniques; biotinylation does not interfere with the antigenic properties of Ib and IIb-IIIa glycoproteins.

UI MeSH Term Description Entries
D010504 Periodic Acid A strong oxidizing agent. Paraperiodic Acid,Periodic Acid (HIO4),Periodic Acids,Acid, Paraperiodic,Acid, Periodic,Acids, Periodic
D010980 Platelet Membrane Glycoproteins Surface glycoproteins on platelets which have a key role in hemostasis and thrombosis such as platelet adhesion and aggregation. Many of these are receptors. PM-GP,Platelet Glycoprotein,Platelet Membrane Glycoprotein,PM-GPs,Platelet Glycoproteins,Glycoprotein, Platelet,Glycoprotein, Platelet Membrane,Glycoproteins, Platelet,Glycoproteins, Platelet Membrane,Membrane Glycoprotein, Platelet,Membrane Glycoproteins, Platelet,PM GP
D011233 Precipitin Tests Serologic tests in which a positive reaction manifested by visible CHEMICAL PRECIPITATION occurs when a soluble ANTIGEN reacts with its precipitins, i.e., ANTIBODIES that can form a precipitate. Precipitin Test,Test, Precipitin,Tests, Precipitin
D004591 Electrophoresis, Polyacrylamide Gel Electrophoresis in which a polyacrylamide gel is used as the diffusion medium. Polyacrylamide Gel Electrophoresis,SDS-PAGE,Sodium Dodecyl Sulfate-PAGE,Gel Electrophoresis, Polyacrylamide,SDS PAGE,Sodium Dodecyl Sulfate PAGE,Sodium Dodecyl Sulfate-PAGEs
D005455 Fluorescent Antibody Technique Test for tissue antigen using either a direct method, by conjugation of antibody with fluorescent dye (FLUORESCENT ANTIBODY TECHNIQUE, DIRECT) or an indirect method, by formation of antigen-antibody complex which is then labeled with fluorescein-conjugated anti-immunoglobulin antibody (FLUORESCENT ANTIBODY TECHNIQUE, INDIRECT). The tissue is then examined by fluorescence microscopy. Antinuclear Antibody Test, Fluorescent,Coon's Technique,Fluorescent Antinuclear Antibody Test,Fluorescent Protein Tracing,Immunofluorescence Technique,Coon's Technic,Fluorescent Antibody Technic,Immunofluorescence,Immunofluorescence Technic,Antibody Technic, Fluorescent,Antibody Technics, Fluorescent,Antibody Technique, Fluorescent,Antibody Techniques, Fluorescent,Coon Technic,Coon Technique,Coons Technic,Coons Technique,Fluorescent Antibody Technics,Fluorescent Antibody Techniques,Fluorescent Protein Tracings,Immunofluorescence Technics,Immunofluorescence Techniques,Protein Tracing, Fluorescent,Protein Tracings, Fluorescent,Technic, Coon's,Technic, Fluorescent Antibody,Technic, Immunofluorescence,Technics, Fluorescent Antibody,Technics, Immunofluorescence,Technique, Coon's,Technique, Fluorescent Antibody,Technique, Immunofluorescence,Techniques, Fluorescent Antibody,Techniques, Immunofluorescence,Tracing, Fluorescent Protein,Tracings, Fluorescent Protein
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal
D001710 Biotin A water-soluble, enzyme co-factor present in minute amounts in every living cell. It occurs mainly bound to proteins or polypeptides and is abundant in liver, kidney, pancreas, yeast, and milk. Vitamin H,Biodermatin,Biokur,Biotin Gelfert,Biotin Hermes,Biotin-Ratiopharm,Biotine Roche,Deacura,Gabunat,Medebiotin,Medobiotin,Rombellin,Biotin Ratiopharm,Gelfert, Biotin,Hermes, Biotin,Roche, Biotine
D013388 Succinimides A subclass of IMIDES with the general structure of pyrrolidinedione. They are prepared by the distillation of ammonium succinate. They are sweet-tasting compounds that are used as chemical intermediates and plant growth stimulants. Butanimides,Pyrrolidinediones
D016824 Antigens, Human Platelet Human alloantigens expressed only on platelets, specifically on platelet membrane glycoproteins. These platelet-specific antigens are immunogenic and can result in pathological reactions to transfusion therapy. Antigens, Platelet-Specific,Human Platelet Antigen,Human Platelet Antigens,Platelet Alloantigen,Platelet Alloantigens,Platelet-Specific Antigen,Platelet-Specific Antigens,Alloantigen, Platelet,Alloantigens, Platelet,Antigen, Human Platelet,Antigen, Platelet-Specific,Antigens, Platelet Specific,Platelet Antigen, Human,Platelet Antigens, Human,Platelet Specific Antigen,Platelet Specific Antigens

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