Inhibition of factor VIIa/tissue factor by antithrombin III and tissue factor pathway inhibitor [letter]
نویسندگان
چکیده
منابع مشابه
Binding of factor VIIa to tissue factor permits rapid antithrombin III/heparin inhibition of factor VIIa.
Because free factor VIIa is inactivated only very slowly by a plasma concentration of antithrombin III (AT III) even in the presence of heparin, it has been assumed that AT III plays no significant role in regulating the initiation of tissue factor-dependent blood coagulation. However, in the present study, we present evidence that factor VIIa bound to tissue factor, unlike free factor VIIa, is...
متن کاملProtein S stimulates inhibition of the tissue factor pathway by tissue factor pathway inhibitor.
Tissue factor (TF) plays an important role in hemostasis, inflammation, angiogenesis, and the pathophysiology of atherosclerosis and cancer. In this article we uncover a mechanism in which protein S, which is well known as the cofactor of activated protein C, specifically inhibits TF activity by promoting the interaction between full-length TF pathway inhibitor (TFPI) and factor Xa (FXa). The s...
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We investigated the kinetics of the inhibitory action of antithrombin III and antithrombin III plus heparin during the activation of factor X by factor IXa. Generation and inactivation curves were fitted to a three-parameter two-exponentional model to determine the pseudo first-order rate constants of inhibition of factor IXa and factor Xa by antithrombin III/heparin. In the absence of heparin,...
متن کاملInitiation of the tissue factor pathway of coagulation in the presence of heparin: control by antithrombin III and tissue factor pathway inhibitor.
Activation of factor X by both the unactivated tissue factor:factor VII complex (TF:VII) and the activated tissue factor:factor VIIa complex (TF:VIIa) has been studied in the presence of tissue factor pathway inhibitor (TFPI), antithrombin III (ATIII), and heparin. At near-plasma concentrations of TFPI, ATIII, and factor X, factor X activation that occurs in response to TF:VII is essentially ab...
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دوره مشترک کارشناسی ارشد بازاریابی و تجارت الکترونیک دانشگاه تربیت مدرس_ دانشگاه تکنولوژی lule? چکیده پایان نامه عوامل موثر بر پذیرش اینترنت بانک توسط مشتریان پیشرفت فناوری اطلاعات و ارتباطات و به طور خاص رشد اینترنت جهت تراکنش های معاملات بازرگانی، تاثیر بسیار عمیقی در صنعت بانکداری داشته است.این در حالی ست که نفوذ بانکداری اینترنتی در کشورهای در حال توسعه بسیار کندتر از نفوذ آن ...
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ژورنال
عنوان ژورنال: Blood
سال: 1993
ISSN: 0006-4971,1528-0020
DOI: 10.1182/blood.v82.5.1679.1679