Pigs are often used as animal models in research on blood coagulation and fibrinolysis. The usefulness of the assays applied within this field, and the knowledge of reference intervals are therefore essential and of utmost importance. In the study reported here, we investigated the applicability of commercial human coagulation and fibrinolysis assays for use with porcine plasma. In total, 22 functional and immunologic assays were applied to plasma obtained from domestic pigs, and the following blood coagulation and fibrinolysis variables were measured: prothrombin time, activated partial thromboplastin time, tissue factor, tissue factor pathway inhibitor, factor VII, protein C, protein S, prothrombin fragment 1+2, antithrombin, thrombin-antithrombin complexes, fibrinogen, soluble fibrin, urokinase-type plasminogen activator, plasmin inhibitor, plasminogen activator inhibitor 1, and D-dimer. We found that 11 of 12 functional assays, but only 3 of 10 immunoassays, were applicable to porcine plasma, and we determined the normal range of these variables. We conclude that human functional assays are useful in porcine plasma, whereas only a few immunologic assays can be used. However, precautions must be taken in interpretation of the results and in extrapolation toward human results because possible differences between porcine and human values can be due to species variations and/or methodologic errors.
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Document Type: Research Article
Department for Thrombosis Research, University of Southern Denmark and Department of Clinical Biochemistry, Ribe County Hospital, Østergade 80, DK - 6700 Esbjerg, Denmark
Publication date: 2002-02-01
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Comparative Medicine (CM), an international journal of comparative and experimental medicine, is the leading English-language publication in the field and is ranked by the Science Citation Index in the upper third of all scientific journals. The mission of CM is to disseminate high-quality, peer-reviewed information that expands biomedical knowledge and promotes human and animal health through the study of laboratory animal disease, animal models of disease, and basic biologic mechanisms related to disease in people and animals.
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