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Updated: Jul 2, 2026
12:43
On-Chip Endothelial Inflammatory Phenotyping
Published on: July 21, 2012
Hemodynamic parameters regulating vascular inflammation and atherosclerosis: a brief update
Victoria Ridger1, Rob Krams, Angelo Carpi
1Cardiovascular Research Unit, University of Sheffield, UK.
Biomedicine & Pharmacotherapy = Biomedecine & Pharmacotherapie
|September 2, 2008
Summary
Atherosclerosis involves lipid-driven inflammation where blood flow influences leukocyte adhesion to endothelial cells. Understanding shear stress effects on this cascade is key to early atherosclerosis development.
Area of Science:
- Cardiovascular biology
- Immunology
- Biomedical engineering
Background:
- Atherosclerosis is a chronic, lipid-driven inflammatory arterial disease.
- Early lesions involve monocyte and T lymphocyte recruitment via leukocyte adhesion to endothelial cells (EC).
Purpose of the Study:
- To review the impact of blood flow and shear stress on the leukocyte adhesion cascade.
- To examine endothelial cell function under varying flow conditions relevant to atherogenesis.
Main Methods:
- Review of existing literature on leukocyte adhesion and atherosclerosis.
- Analysis of studies investigating blood flow dynamics and shear stress.
- Examination of endothelial cell responses to mechanical forces.
Main Results:
- Atherogenesis preferentially occurs at arterial sites with disturbed or low shear stress.
- Blood flow patterns significantly modulate endothelial cell activation and leukocyte recruitment.
- Shear stress influences the expression of adhesion molecules on ECs, impacting the leukocyte adhesion cascade.
Conclusions:
- Blood flow dynamics and shear stress are critical regulators of the leukocyte adhesion cascade in early atherosclerosis.
- Targeting flow-induced endothelial cell responses may offer therapeutic strategies for atherosclerosis.
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