Title : Tissue factor-expressing monocytes inhibit fibrinolysis through a TAFI-mediated mechanism, and make clots resistant to heparins.

Pub. Date : 2009 Jun

PMID : 19377079






4 Functional Relationships(s)
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1 Tissue factor-expressing monocytes inhibit fibrinolysis through a TAFI-mediated mechanism, and make clots resistant to heparins. Heparin coagulation factor III, tissue factor Homo sapiens
2 Finally, the profibrinolytic effect of unfractionated heparin and enoxaparin was markedly lower (approximately 50%) in the presence of LPS-MNC than in the presence of a thromboplastin preparation displaying an identical tissue factor activity. Heparin coagulation factor III, tissue factor Homo sapiens
3 CONCLUSIONS: Our data indicate that LPS-stimulated monocytes inhibit fibrinolysis through a tissue factor-mediated enhancement of thrombin activatable fibrinolysis inhibitor activation and make clots resistant to the profibrinolytic activity of heparins, thus providing an additional mechanism whereby tissue factor-expressing monocytes/macrophages may favor fibrin accumulation and diminish the antithrombotic efficacy of heparins. Heparin coagulation factor III, tissue factor Homo sapiens
4 CONCLUSIONS: Our data indicate that LPS-stimulated monocytes inhibit fibrinolysis through a tissue factor-mediated enhancement of thrombin activatable fibrinolysis inhibitor activation and make clots resistant to the profibrinolytic activity of heparins, thus providing an additional mechanism whereby tissue factor-expressing monocytes/macrophages may favor fibrin accumulation and diminish the antithrombotic efficacy of heparins. Heparin coagulation factor III, tissue factor Homo sapiens