Absence of platelet-specific alloantigens in Glanzmann's thrombasthenia

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منابع مشابه

Absence of platelet-specific alloantigens in Glanzmann's thrombasthenia.

The platelets of 11 patients with Glanzmann's thrombasthenia and their nearest family members were studied for the expression of the platelet-specific alloantigens of the Zw-, Ko- and Bak systems. The strength of the expression of the Zwa antigen was diminished on the platelets of 3 patients, and the antigen was absent from the platelets of the other 8. The platelets of none of the patients rea...

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Platelet function in a patient with thrombasthenia.

PLASMA CLOTTING FACTOR is deficient in most of the “experiments of nature” that have helped to further our understanding of the mechanism of blood coagulation and hemostasis, but in thrombasthenia the defect lies in the platelets which are unable to promote clot retraction. Thrombasthenic patients usually have a mild to moderately severe hemorrhagic diathesis, with a prolonged bleeding time. Th...

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Therapeutic expression of the platelet-specific integrin, IIb 3, in a murine model for Glanzmann thrombasthenia

Integrins mediate the adhesion of cells to each other and to the extracellular matrix during development, immunity, metastasis, thrombosis, and wound healing. Molecular defects in either the or subunit can disrupt integrin synthesis, assembly, and/or binding to adhesive ligands. This is exemplified by the bleeding disorder, Glanzmann thrombasthenia (GT), where abnormalities of the plateletspeci...

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Deletion of the platelet-specific alloantigen PlA1 from platelets in Glanzmann's thrombasthenia.

Expression of a Platelet-specific alloantigen (Pl(A1)) was studied in five unrelated patients with Glanzmann's thrombasthenia using immunologic techniques based on release of (51)Cr from tagged platelets by Pl(A1)-specific antibody. Less than 1% of the normal quantity of Pl(A1) could be detected on platelets of patients 1, 2, and 3; platelets from patients 4 and 5 contained 22 and 12% of normal...

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Patients With Glanzmann Thrombasthenia Lacking Platelet Glycoprotein

Background—Platelets have been suggested to play a role in the early development of atherosclerosis. As one test of this hypothesis, we assessed whether patients with Glanzmann thrombasthenia who lack platelet glycoprotein IIb 3 (GPIIb/IIIa) complexes or both IIb 3 and the more ubiquitous v 3 cell membrane complexes are protected from development of atherosclerosis. Methods and Results—Seven pa...

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ژورنال

عنوان ژورنال: Blood

سال: 1981

ISSN: 0006-4971,1528-0020

DOI: 10.1182/blood.v57.1.49.49