Platelet membrane glycoproteins: historical perspectives
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چکیده
منابع مشابه
Platelet membrane glycoproteins: historical perspectives
The function of blood platelets to prevent blood loss at injured sites in the vasculature depends largely on their capacity to adhere, aggregate, promote coagulation and secrete factors that induce vasoconstriction and recruit inflammatory cells. Produced in large numbers from megakaryocytes, platelets enter the circulation for 7–10 days primed to fulfill their hemostatic function. By 1970, tho...
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The search for the components of the platelet surface that mediate platelet adhesion and platelet aggregation began for earnest in the late 1960s when electron microscopy demonstrated the presence of a carbohydrate-rich, negatively charged outer coat that was called the "glycocalyx." Progressively, electrophoretic procedures were developed that identified the major membrane glycoproteins (GP) t...
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Glycoproteins I Ib / I I Ia form a Ca2+-dependent complex that functions as the fibrinogen receptor on human platelets (1). Several reports have indicated that this fibrinogen receptor is also expressed on the surface of human monocytes (2-4). Of three monoclonal antibodies directed against platelet I Ib/ I I Ia , two were reported to give a positive reaction with monocytes as well (4). Other i...
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labeled membrane proteins by density gradient ultracentrifugation using 1 O%-40% sucrose gradients containing the nonionic detergent. Studies were performed using soluble proteins derived from membranes isolated in the presence or absence of EDTA. Analysis of gradient fractions by SDS-polyacrylamide gel electrophoresis showed that in the absence of divalent cation chelation. GP lIb and lIla pen...
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ژورنال
عنوان ژورنال: Journal of Thrombosis and Haemostasis
سال: 2005
ISSN: 1538-7933
DOI: 10.1111/j.1538-7836.2005.01549.x