Molecular biology of platelet membrane glycoproteins.
نویسندگان
چکیده
منابع مشابه
974 Platelet Membrane Glycoproteins
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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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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Two-dimensional gel electrophoresis, immunoprecipitation, and crossed immunoelectrophoresis were used in the investigation of glycoproteins IIb/IIIa in platelets, monocytes, and monocyte-derived macrophages from human blood. All techniques detected the glycoproteins in platelets but not in the mononuclear phagocytes. Similar results were obtained by immunochemistry using a monoclonal antibody a...
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GABAA receptors are the major inhibitory transmitter receptors in the central nervous system. They are chloride ion channels that can be opened by g-aminobutyric acid (GABA) and are the targets of action of a variety of pharmacologically and clinically important drugs. GABAA receptors are composed of five subunits that can belong to different subunit classes. The existence of 19 different subun...
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ژورنال
عنوان ژورنال: Blood & Vessel
سال: 1989
ISSN: 0386-9717,1884-2372
DOI: 10.2491/jjsth1970.20.260