Title : Molecular weight-dependent influence of heparin on the form of tissue factor pathway inhibitor circulating in plasma.

Pub. Date : 2001 Oct

PMID : 11668420






14 Functional Relationships(s)
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1 Molecular weight-dependent influence of heparin on the form of tissue factor pathway inhibitor circulating in plasma. Heparin tissue factor pathway inhibitor Homo sapiens
2 The increase of circulating tissue factor pathway inhibitor (TFPI) in plasma by heparins is thought to contribute to their overall antithrombotic activity. Heparin tissue factor pathway inhibitor Homo sapiens
3 The increase of circulating tissue factor pathway inhibitor (TFPI) in plasma by heparins is thought to contribute to their overall antithrombotic activity. Heparin tissue factor pathway inhibitor Homo sapiens
4 In a clinical study in healthy volunteers, we recently found that the specific potency of a heparin to mobilize TFPI from the vessel wall increases with its molecular weight (MW). Heparin tissue factor pathway inhibitor Homo sapiens
5 A further question is whether the MW of heparin influences not only the release of TFPI but also its potential association with lipoproteins. Heparin tissue factor pathway inhibitor Homo sapiens
6 Only the TFPI released by unfractionated heparin (UFH) circulated completely as free TFPI. Heparin tissue factor pathway inhibitor Homo sapiens
7 Only the TFPI released by unfractionated heparin (UFH) circulated completely as free TFPI. Heparin tissue factor pathway inhibitor Homo sapiens
8 With decreasing heparin MW, the percentage of released free TFPI on released total TFPI decreased to 57%. Heparin tissue factor pathway inhibitor Homo sapiens
9 With decreasing heparin MW, the percentage of released free TFPI on released total TFPI decreased to 57%. Heparin tissue factor pathway inhibitor Homo sapiens
10 As a consequence, the longer the heparin chains are, the better they are at preventing the binding of the released, originally free, TFPI to plasma lipoproteins. Heparin tissue factor pathway inhibitor Homo sapiens
11 Because only free TFPI is known to exhibit anticoagulant activity, the activity of released TFPI is better the higher the MW of the applied heparin is. Heparin tissue factor pathway inhibitor Homo sapiens
12 Because only free TFPI is known to exhibit anticoagulant activity, the activity of released TFPI is better the higher the MW of the applied heparin is. Heparin tissue factor pathway inhibitor Homo sapiens
13 In conclusion, in addition to the potency of heparin to mobilize TFPI, there is its influence on the circulating form, and thus the anticoagulant activity of the released TFPI depends on its MW. Heparin tissue factor pathway inhibitor Homo sapiens
14 In conclusion, in addition to the potency of heparin to mobilize TFPI, there is its influence on the circulating form, and thus the anticoagulant activity of the released TFPI depends on its MW. Heparin tissue factor pathway inhibitor Homo sapiens