Thrombin generation abnormalities in Quebec platelet disorder

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Quebec platelet disorder.

A case of Quebec platelet disorder is hereby reported. A 33 years old woman presented with history of epistaxis and gum bleeding since childhood and menorrhagia and bleeding per vaginum after puberty, also had history of excessive blood loss after birth of child. Her coagulation profile was normal but platelet function testing by platelet aggregation assay showed abnormal aggregation of platele...

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Thrombin generation in two families with MYH9-related platelet disorder.

MYH9-related platelet disorders are inherited macrothrombocytopenias with additional clinical manifestations including renal failure, hearing loss, pre-senile cataract, and inclusion bodies in leucocytes that are present in different combinations. The MYH9 gene codes for the cytoplasmic contractile protein non-muscular myosin heavy chain IIA, present in several tissues. The bleeding tendency is...

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The thrombogram: monitoring thrombin generation in platelet-rich plasma.

A method is described in which thrombin activity in clotting plasma can be monitored through the continuous measurement of the fluorescent split-product of the substrate Z-Gly-Gly-Arg-AMC. The signal is not impaired by turbidity; therefore proper measurement is not disturbed by the occurrence of a clot or the presence of platelets and direct measurement in platelet rich plasma is possible.

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Platelet-dependent thrombin generation after in vitro fibrinolytic treatment.

BACKGROUND Fibrinolytic therapy is associated with frequent rethrombosis. There is evidence of both increased coagulation and platelet activation. METHODS AND RESULTS Platelet-rich plasma (PRP) or washed platelets were incubated with the fibrinolytic agents urokinase, recombinant tissue-type plasminogen activator (rt-PA), or plasmin at concentrations consistent with those in the plasma of pat...

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Platelet-associated tissue factor enhances platelet reactivity and thrombin generation in experimental studies in vitro.

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ژورنال

عنوان ژورنال: International Journal of Laboratory Hematology

سال: 2020

ISSN: 1751-5521,1751-553X

DOI: 10.1111/ijlh.13302