نتایج جستجو برای: antithrombin iii
تعداد نتایج: 260296 فیلتر نتایج به سال:
Pure rabbit antithrombin Ill was isotope labeled (with 125I or 3H by two different methods; neither procedure caused a loss of antithrombin activity although both methods affected the affinity of the protein for Sepharose-heparin. From segments from freshly excised rabbit aorta, the uptake of isotope-labeled antithrombin Ill by the endothehum was rapid and saturable, although relatively small c...
BACKGROUND Computed tomography is performed in suspicious cases of cerebral venous thrombosis. Although an empty delta sign is not uncommonly reported, a cord sign is rarely reported. But this is, if present, pathognomonic, especially in the case of cortical vein thrombosis. CASE DESCRIPTION A young man with antithrombin III deficiency sought emergency treatment for headache and seizure. Nonc...
A conformationally altered prelatent form of antithrombin that possesses both anticoagulant and antiangiogenic activities is produced during the conversion of native to latent antithrombin (Larsson, H., Akerud, P., Nordling, K., Raub-Segall, E., Claesson-Welsh, L., and Björk, I. (2001) J. Biol. Chem. 276, 11996-12002). Here, we show that the previously characterized prelatent antithrombin is a ...
A large kindred from eastern Kentucky, with extensive history of recurrent venous thrombasis and pulmonary embolism, was studied. Low antithrombin III titers, ranging from 26% to 49% of normal values, were found in plasma of nine members in three consecutive generations; another five members, four of whom were not available for study, are suspected of having the biochemical defect. There was a ...
The antithrombin A384S mutation has a relatively high frequency in the British population but has not been identified in other populations. This variant has been associated with cases of thrombotic disease, but its clinical relevance in venous thrombosis remained unclear. We have conducted a secondary analysis of the prevalence of the mutation in a large case-control study, including 1018 conse...
A deficiency of protein C (PC), antithrombin, or protein S is strongly associated with deep-vein thrombosis in selected patients and their families. However, the strength of the association with venous thrombosis in the general population is unknown. This study was a population-based, patient-control study of 474 consecutive outpatients, aged less than 70 years, with a first, objectively diagno...
Accelerated antithrombin inhibition of procoagulant enzymes has been exclusively achieved with polysulfated polysaccharides. We reasoned that antithrombin activation should be possible with nonsulfated activators based only on carboxylic acid groups. As a proof of the principle, linear poly(acrylic acid)s were found to bind to antithrombin and accelerate inhibition of factor Xa and thrombin. Ou...
A chromogenic assay for use as a screening test for the identification of antithrombin deficiency is described. The heparin concentration and the incubation time in the assay were optimised specifically to permit the detection of heparin binding defects of antithrombin. The sensitivity of antithrombin assays for the detection of this type of variant was significantly impaired when an incubation...
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