Platelet factor VIII-related antigen: studies in vivo after transfusion in patients with von Willebrand disease
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چکیده
منابع مشابه
Subcellular platelet factor VIII antigen and von Willebrand factor
Subcellular membrane and granule fractions derived from human platelets contain factor VIIII antigen and von Willebrand factor activity but not factor VII procoagulant activity. Circulating platelets constitute a significant reservoir of plasma factor VIII antigen, containing approximately 15% of the amount of factor VIII antigen present in platelet-poor plasma. The antibiotic ristocetin, which...
متن کاملFactor VIII/von Willebrand factor in subendothelium mediates platelet adhesion.
The present studies were undertaken to determine whether factor VIII/von Willebrand factor (vWF) present in the vessel wall (in addition to that in plasma) may mediate the attachment of platelets to subendothelium. Subendothelium from everted rabbit aorta was exposed to human citrated blood flowing through an annular perfusion chamber at 40 mL/min (wall shear rate of 2,600 s-1 for five minutes)...
متن کاملIn vivo interaction of von Willebrand factor with platelets following cryoprecipitate transfusion in platelet-type von Willebrand's disease.
Previous studies performed in vitro have indicated that platelets from patients with platelet-type von Willebrand's disease (vWD) have receptors for von Willebrand factor (vWF) already exposed on their surfaces and that the addition of purified vWF or cryoprecipitate to patient platelet-rich plasma under stirring conditions is capable of inducing platelet aggregation and secretion. The present ...
متن کاملHuman von Willebrand factor/factor VIII concentrates in the management of pediatric patients with von Willebrand disease/hemophilia A
Several plasma-derived intermediate and high-purity concentrates containing von Willebrand factor (VWF) and factor VIII (FVIII) are currently available. The main role of these products in the management of the pediatric population is represented by the replacement therapy in patients with severe or intermediate forms of von Willebrand disease, in whom other treatments are ineffective or contrai...
متن کاملHuman von Willebrand factor (factor VIII-related antigen) in glial neoplastic cells of brain gliomas.
In order to determine whether the glial neoplastic cells within the brain gliomas show human von Willebrand factor (factor VIII-related antigen [FVIII-rA]) expression, and the possible distribution of FVIII-rA positive glial cells within the neoplasm, morphological examination and computerised morphometric analysis were conducted in 35 brain neoplasms, divided into 2 groups: glioblastoma multif...
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ژورنال
عنوان ژورنال: Blood
سال: 1978
ISSN: 0006-4971,1528-0020
DOI: 10.1182/blood.v51.4.751.751