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Updated: Jul 19, 2026
10:37
Observing and Quantifying Fibroblast-mediated Fibrin Gel Compaction
Published on: January 16, 2014
Fibrin gel formation in a shear flow
Robert D Guy1, Aaron L Fogelson, James P Keener
1Department of Mathematics, University of Utah, 155 South 1400 East, Room 233, Salt Lake City, UT 84112-0090, USA. guy@math.utah.edu
Mathematical Medicine and Biology : a Journal of the IMA
|October 5, 2006
Summary
This study models fibrin gel formation in blood clots, revealing shear rate significantly impacts fibrin amount. Thrombin inhibition, gel permeability, and shear rate are key factors controlling fibrin gel height.
Area of Science:
- Biophysics
- Biomedical Engineering
- Hematology
Background:
- Blood clots comprise platelets and fibrin gel.
- Fibrin gel formation is influenced by blood flow dynamics, specifically shear rate.
- Understanding clot formation is crucial for treating thrombotic diseases.
Purpose of the Study:
- To model fibrin gel formation on injured blood vessel surfaces under shear flow.
- To investigate the influence of shear rate and coagulation parameters on fibrin gel structure.
- To identify key regulators of fibrin gel height.
Main Methods:
- Developed a mathematical model for fibrin gelation incorporating polymer source/sink terms.
- Integrated a simplified coagulation model with thrombin activation, inhibition, and fibrin monomer production.
- Analyzed the impact of shear rate and other parameters on gel formation.
Main Results:
- Derived a condition for gelation based on polymer dynamics.
- Identified thrombin inhibition rate, gel permeability, and shear rate as critical parameters.
- Demonstrated that these parameters regulate the height of the fibrin gel.
Conclusions:
- Shear rate is a significant factor in regulating fibrin gel formation.
- The developed model provides insights into blood clot structure under flow.
- Thrombin inhibition and gel permeability are crucial targets for controlling clot size.
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