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Updated: Jun 17, 2026
03:53
Extracellular Vesicle Tissue Factor Activity Assay
Published on: December 29, 2023
Tissue factor and cardiovascular disease: quo vadis?
Alexander Breitenstein1, Felix C Tanner, Thomas F Lüscher
1Cardiovascular Research, Physiology Institute, University of Zurich, Zurich, Switzerland.
Summary
Tissue factor (TF) initiates blood clotting and maintains vascular integrity. Elevated TF levels, linked to cardiovascular risks like hypertension and diabetes, are found in vascular cells and circulation, especially during acute coronary syndromes.
Area of Science:
- Biochemistry
- Vascular Biology
- Hematology
Background:
- The coagulation cascade is vital for vascular integrity and clot formation.
- Tissue factor (TF) is the primary initiator of the coagulation cascade.
- TF activation leads to thrombus formation, crucial for hemostasis.
Purpose of the Study:
- To review the role of tissue factor (TF) in vascular integrity and thrombosis.
- To discuss the regulation and expression of TF in vascular and circulating cells.
- To highlight the association between TF levels and cardiovascular risk factors.
Main Methods:
- Literature review of studies on coagulation, TF, and cardiovascular disease.
- Analysis of TF expression in endothelial cells, smooth muscle cells, leukocytes, and platelets.
- Examination of TF's presence as microparticles and soluble forms.
Main Results:
- TF initiates coagulation by activating factors IX and X via factor VIIa.
- TF expression is enhanced by various stimuli in vascular cells.
- TF is found in circulating cells, microparticles, and soluble forms, with increased levels in cardiovascular risk factors.
Conclusions:
- TF plays a critical role in hemostasis and thrombosis.
- Dysregulation of TF contributes to cardiovascular pathology, particularly in conditions like acute coronary syndromes.
- Understanding TF's multifaceted roles is crucial for managing cardiovascular diseases.
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