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Bernard-Soulier syndrome: a new platelet glycoprotein abnormality. Its relationship with platelet adhesion to subendothelium and with the factor VIII von Willebrand protein. 1976

J P Caen, and A T Nurden, and C Jeanneau, and H Michel, and G Tobelem, and S Levy-Toledano, and Y Sultan, and F Valensi, and J Bernard

A decreased platelet adhesion to rabbit aorta subendothelium (Baumgartner technique) is confirmed in the Bernard Soulier (giant platelet) syndrome. Electron microscope techniques using a purified antibody against Factor VIII/von Willebrand protein, revealed an apparently normal presence of the Factor VIII/von Willebrand protein on the Bernard Soulier platelets. Electrophoretic characterization of the major protein and glycoprotein components of the Bernard Soulier platelets following sodium dodecyl sulfate solubilization indicated a relatively normal protein content but suggested a reduced content of the 155,000 molecular weight major platelet glycoprotein. This was confirmed by a reduced release of high molecular weight acidic glycopeptides following incubation of washed Bernard Soulier platelets with trypsin. It is proposed that this abnormality may be related to the previously reported reduced sialic acid content and the reduced electrophoretic mobility of the Bernard Soulier platelets and that a glycoprotein reduced or abnormal in the Bernard Soulier platelets is necessary for the normal adhesion of platelets to subendothelium.

UI MeSH Term Description Entries
D008297 Male Males
D010973 Platelet Adhesiveness The process whereby PLATELETS adhere to something other than platelets, e.g., COLLAGEN; BASEMENT MEMBRANE; MICROFIBRILS; or other "foreign" surfaces. Adhesiveness, Platelet,Adhesivenesses, Platelet,Platelet Adhesivenesses
D010974 Platelet Aggregation The attachment of PLATELETS to one another. This clumping together can be induced by a number of agents (e.g., THROMBIN; COLLAGEN) and is part of the mechanism leading to the formation of a THROMBUS. Aggregation, Platelet
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D001779 Blood Coagulation Factors Endogenous substances, usually proteins, that are involved in the blood coagulation process. Clotting Factor,Coagulation Factors,Blood Coagulation Factor,Clotting Factors,Coagulation Factor,Coagulation Factor, Blood,Coagulation Factors, Blood,Factor, Coagulation,Factors, Coagulation,Factor, Blood Coagulation,Factor, Clotting,Factors, Blood Coagulation,Factors, Clotting
D001780 Blood Coagulation Tests Laboratory tests for evaluating the individual's clotting mechanism. Coagulation Tests, Blood,Tests, Blood Coagulation,Blood Coagulation Test,Coagulation Test, Blood,Test, Blood Coagulation
D001791 Blood Platelet Disorders Disorders caused by abnormalities in platelet count or function. Thrombocytopathy,Blood Platelet Disorder,Disorder, Blood Platelet,Disorders, Blood Platelet,Platelet Disorder, Blood,Platelet Disorders, Blood,Thrombocytopathies
D001792 Blood Platelets Non-nucleated disk-shaped cells formed in the megakaryocyte and found in the blood of all mammals. They are mainly involved in blood coagulation. Platelets,Thrombocytes,Blood Platelet,Platelet,Platelet, Blood,Platelets, Blood,Thrombocyte
D001798 Blood Proteins Proteins that are present in blood serum, including SERUM ALBUMIN; BLOOD COAGULATION FACTORS; and many other types of proteins. Blood Protein,Plasma Protein,Plasma Proteins,Serum Protein,Serum Proteins,Protein, Blood,Protein, Plasma,Protein, Serum,Proteins, Blood,Proteins, Plasma,Proteins, Serum
D004727 Endothelium A layer of epithelium that lines the heart, blood vessels (ENDOTHELIUM, VASCULAR), lymph vessels (ENDOTHELIUM, LYMPHATIC), and the serous cavities of the body. Endotheliums

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