The platelet membrane glycoprotein IIb-IIIa complex
نویسندگان
چکیده
منابع مشابه
The platelet membrane glycoprotein IIb-IIIa complex.
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متن کاملCalcium regulation of the platelet membrane glycoprotein IIb-IIIa complex.
Platelet membrane glycoproteins (GP) IIb and IIIa form a Ca2+-dependent, heterodimer complex (GP IIb-IIIa) in detergent solution. To determine whether these glycoproteins were complexed or dissociated in intact human platelets, 125I-labeled whole platelets were lysed with an EDTA/Triton X-100 buffer, which stabilized both the complexed and dissociated forms of GP IIb and GP IIIa. The percentage...
متن کاملPlatelet Glycoprotein IIb/IIIa Inhibitors
Glycoprotein IIb/IIIa (GPIIb-IIIa) complexes (integrin aIIbb3) mediate platelet aggregation by binding fibrinogen or von Willebrand factor (vWF), protein cofactors that form bridges between adjacent platelets. The cross-linked adhesive proteins assemble platelets into the aggregate. Agents that block the function of the GPIIb-IIIa complex of platelets constitute a powerful new generation of ant...
متن کاملPlatelet glycoprotein IIb/IIIa inhibitors.
To the Editor: Platelet glycoprotein (GP) IIb/IIIa antagonists only prompt an overall 8.5% relative reduction in 30-day deaths or myocardial infarction in acute coronary syndromes (ACS),1 and Quinn et al1 suggested that this limited benefit may be due to factors such as antagonist-induced platelet activation. I suggest that limited benefits of GP IIb/IIIa inhibition are due basically to limited...
متن کاملEffect of platelet activation on the conformation of the plasma membrane glycoprotein IIb-IIIa complex.
Platelet activation converts the membrane GP IIb-IIIa complex into a functional receptor for fibrinogen, but the mechanism is poorly understood. We asked whether induction of receptor competency coincides with a conformational change affecting the spatial arrangement of exoplasmic domains of the IIb and IIIa subunits. Epitopes on these subunits were labeled with monoclonal antibodies conjugated...
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ژورنال
عنوان ژورنال: Blood
سال: 1988
ISSN: 0006-4971,1528-0020
DOI: 10.1182/blood.v71.4.831.bloodjournal714831