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Updated: Dec 14, 2025

Author Spotlight: High-Sensitivity Tissue Factor Activity Assay for Plasma Diagnosis
Published on: December 29, 2023
Tissue factor in atherosclerosis and atherothrombosis
Steven P Grover1, Nigel Mackman1
1UNC Blood Research Center, Division of Hematology and Oncology, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
Tissue factor (TF) drives blood clot formation in atherosclerosis, a chronic inflammatory disease. TF pathway inhibitor 1 (TFPI-1) modulates this process, impacting cardiovascular events like heart attack and stroke.
Area of Science:
- Cardiovascular Biology
- Hemostasis and Thrombosis
- Pathology
Background:
- Atherosclerosis is a chronic inflammatory arterial disease characterized by lipid-rich plaques.
- Atherothrombosis, the terminal stage, involves plaque rupture leading to occlusive thrombi, causing myocardial infarction and stroke.
- Tissue factor (TF) initiates coagulation via the TF:factor VIIa complex, crucial for arterial thrombosis in atherosclerosis.
Purpose of the Study:
- To review the role of TF-dependent coagulation activation in atherothrombotic disease.
- To highlight the significance of TF and its inhibitor, TFPI-1, in atherosclerotic plaques.
Main Methods:
- Literature review focusing on the contribution of TF to atherothrombosis.
- Analysis of studies investigating TF and TFPI-1 expression and function in atherosclerotic models.
Main Results:
- TF is highly expressed in atherosclerotic plaques by foam cells, smooth muscle cells, and extracellular vesicles.
- TF-mediated coagulation activation is critical for arterial thrombosis in atherosclerosis.
- TF pathway inhibitor 1 (TFPI-1) is present in plaques, and its modulation affects atherosclerosis in mouse models.
Conclusions:
- TF-dependent coagulation plays a pivotal role in the pathogenesis of atherothrombotic disease.
- Targeting TF or TFPI-1 may offer therapeutic strategies for atherosclerosis and its thrombotic complications.
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