نتایج جستجو برای: antithrombins
تعداد نتایج: 1775 فیلتر نتایج به سال:
After the discovery of a unique pentasaccharide domain in heparin that is responsible for activation of antithrombin 111, many analogues have been synthesised which stimulate the inhibition of factor Xa. Some aspects of the synthesis of heparin like pentasaccharides are presented. Furthermore, pentasaccharide conjugates could be designed and synthesised which stimulate the antithrombin I11 medi...
The affinity (Ka) of human coagulation Factor Xa for thrombin-treated (to stimulate the release reaction) platelets has been determined to be 3 to 4 x 10(10) M-1 by equilibrium binding studies using 125I-labeled Xa. The binding of Factor Xa to platelets results in an increase of 300,000-fold in the apparent enzymatic activity of Xa in the conversion of prothrombin to thrombin. The activity of p...
Mechanisms regulating extravascular coagulation in interstitial fluids of peripheral tissues are poorly understood, since measurements of hemostatic factors in these fluids are unavailable. Because lymph from a body region reflects the composition of its interstitial fluid, we measured hemostatic factors in limb lymph of rabbits both as activity and as antigen. Mean lymph-to-plasma activity rat...
The haemostatic relevance of antithrombin together with the low genetic variability of SERPINC1, and the high heritability of plasma levels encourage the search for modulating genes. We used a hypothesis-free approach to identify these genes, evaluating associations between plasma antithrombin and 307,984 polymorphisms in the GAIT study (352 individuals from 21 Spanish families). Despite no SNP...
BACKGROUND Little is known regarding the adoption of direct thrombin inhibitors in clinical practice. We examine trends in oral anticoagulation for the prevention of thromboembolism in the United States. METHODS AND RESULTS We used the IMS Health National Disease and Therapeutic Index, a nationally representative audit of office-based providers, to quantify patterns of oral anticoagulant use ...
PURPOSE Few reports have been made on the therapeutic effects as well as pathological features of an antithrombin preparation in patients diagnosed with septic disseminated intravascular coagulation (DIC) by the diagnostic criteria for acute DIC. MATERIALS AND METHODS A total of 88 sepsis patients who had received inpatient hospital care during the period from January 2000 through December 20...
C-reactive protein (CRP) has been proposed as a risk factor for cardiovascular disease; however, this association is confounded by mutual relationships with both classical and haematological cardiovascular risk factors. We, therefore, measured CRP with a high-sensitivity assay in stored plasma samples from 414 men and 515 women in the north Glasgow MONICA (MONItoring trends in CArdiovascular di...
To determine the effects of differences in glycosylation on the structure and functional properties of recombinant human antithrombin (rHAT), we have characterized the properties of the recombinant protein overexpressed by baby hamster kidney cells. Three forms of rHAT, I-III, were isolated which differed in affinity for heparin. Form I had the lowest affinity and contained a high proportion of...
To analyze inherited antithrombin deficiency as a risk factor for venous thromboembolism in various conditions with regard to the presence or absence of additional genetic or acquired risk factors, we compared 48 antithrombin-deficient individuals with 44 nondeficient individuals of 14 selected families with inherited antithrombin deficiency. The incidence of venous thromboembolism for antithro...
Venocclusive disease (VOD) of the liver is the major dose-limiting complication of pretransplant regimens for bone marrow transplantation. Recent reports from different groups point to the involvement of the hemostatic mechanism in the development of VOD. We measured the naturally occurring anticoagulants protein C, antithrombin III, and protein S in 45 patients undergoing bone marrow transplan...
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