Related Experiment Video
Updated: Nov 7, 2025

Author Spotlight: Advancing Thrombolytic Testing by Integrating Flow Dynamics in In Vitro Models
Published on: April 19, 2024
Thrombin Activatable Fibrinolysis Inhibitor (TAFI): An Updated Narrative Review
Machteld Sillen1, Paul J Declerck1
1Laboratory for Therapeutic and Diagnostic Antibodies, Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, B-3000 Leuven, Belgium.
Thrombin activatable fibrinolysis inhibitor (TAFI) regulates blood clot breakdown. Understanding TAFI
Area of Science:
- Biochemistry
- Hematology
- Molecular Biology
Background:
- Thrombin activatable fibrinolysis inhibitor (TAFI) is a key regulator of the fibrinolytic system.
- TAFI acts as a bridge between coagulation and fibrinolysis.
- Dysregulation of TAFI is implicated in thrombotic diseases.
Purpose of the Study:
- To review the biochemical properties of TAFI.
- To discuss the physiological and pathophysiological roles of TAFI.
- To explore strategies for modulating TAFI activity to stimulate fibrinolysis.
Main Methods:
- Literature review of biochemical and physiological studies on TAFI.
- Analysis of the role of TAFI in coagulation and fibrinolysis.
- Examination of therapeutic strategies targeting TAFI.
Main Results:
- TAFI is a proenzyme activated by thrombin, plasmin, or the thrombin/thrombomodulin complex.
- Activated TAFI potently inhibits fibrinolysis.
- TAFI's involvement in thrombotic disorders necessitates the development of antagonists.
Conclusions:
- TAFI is a critical target for therapeutic intervention in thrombotic conditions.
- Modulating TAFI activity offers a promising approach to enhance fibrinolysis.
- Further research into TAFI antagonism is crucial for developing novel antithrombotic therapies.
Related Concept Videos
Venous Thrombosis III: Interprofessional Care
Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...
Clot Retraction and Fibrinolysis
Anticoagulant Drugs: Low-Molecular-Weight Heparins
Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
Extrinsic and Intrinsic Pathways of Hemostasis
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which...

