Pieters, J. and Lindhout, T.. (1988) The limited importance of factor Xa inhibition to the anticoagulant property of heparin in thromboplastin-activated plasma. Blood, Vol. 72, H. 6. pp. 2048-2052.
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Official URL: http://edoc.unibas.ch/dok/A5259441
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Abstract
The antifactor Xa activities of heparin fractions are widely used as an ex vivo index of their antithrombotic efficacy. Its clinical meaning, however, remains speculative. In the study reported, we measured the effects of standard heparin, a synthetic pentasaccharide heparin (antifactor Xa activity only), and a low molecular weight heparin (LMWH) on factor Xa, factor Va, and thrombin generation in thromboplastin-activated plasma. We clearly demonstrated that the antifactor Xa activity of heparin contributed little in its anticoagulant activity. The inhibition of factor Va generation, dependent on the heparin antithrombin activity only, is of prime importance to the inhibition of thrombin generation in plasma. The inhibition of thrombin generation by the LMWH was comparable with that of standard heparin on the basis of their respective antithrombin specific activities, but not on the basis of their antifactor Xa activities.
Faculties and Departments: | 05 Faculty of Science > Departement Biozentrum > Infection Biology > Biochemistry (Pieters) |
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UniBasel Contributors: | Pieters, Jean |
Item Type: | Article, refereed |
Article Subtype: | Research Article |
ISSN: | 1528-0020 |
Note: | Publication type according to Uni Basel Research Database: Journal article |
Last Modified: | 22 Mar 2012 14:22 |
Deposited On: | 22 Mar 2012 13:28 |
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