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Updated: Aug 30, 2026
Quantitative Analysis of Cellular Composition in Advanced Atherosclerotic Lesions of Smooth Muscle Cell Lineage-Tracing Mice
Published on: February 20, 2019
Site specificity of atherosclerosis: site-selective responses to atherosclerotic modulators
Paul A VanderLaan1, Catherine A Reardon, Godfrey S Getz
1Department of Pathology, University of Chicago, Chicago, IL 60637, USA.
Insights
Hemodynamic forces influence atherosclerosis susceptibility at specific vascular sites. Understanding site-specific effects and their interplay with systemic factors is crucial for effective treatment strategies.
Area of Science:
- Cardiovascular Biology
- Vascular Biology
- Translational Medicine
Background:
- Atherosclerosis is a complex vascular disease with site-specific susceptibility.
- Hemodynamic forces are key determinants of lesion initiation and progression.
- Systemic and local factors modulate atherosclerotic pathogenesis.
Purpose of the Study:
- To review recent studies examining vascular site-specific effects on atherosclerosis.
- To assess the hypothesis that regional hemodynamics prime endothelial responses to risk factors.
- To emphasize the importance of site selection in atherosclerosis research and treatment.
Main Methods:
- Review of published studies investigating atherosclerosis at multiple vascular sites.
- Analysis of studies correlating hemodynamic profiles with lesion development.
- Integration of data on systemic risk factors and their site-specific impact.
Main Results:
- Evidence suggests distinct endothelial phenotypes at different vascular sites.
- Hemodynamic profiles significantly influence the response to systemic risk factors like hypercholesterolemia and genetics.
- Site-specific variations in atherosclerosis development are influenced by a combination of factors.
Conclusions:
- Regional hemodynamic differences play a critical role in priming vascular sites for atherosclerosis.
- Accounting for vascular site-specific factors is essential for a comprehensive understanding of atherosclerosis.
- Future research and therapeutic strategies must consider the interplay of hemodynamics and systemic factors at different lesion locations.
Abstract:
Atherosclerosis is a complex disease process that affects very specific sites of the vasculature. It is recognized that hemodynamic forces are largely responsible for dictating which vascular sites are either susceptible or resistant to developing atherosclerosis. In addition, a number of systemic and local factors also modulate the pathogenesis of the disease. By studying the development of atherosclerosis in mice, investigators have gained insights into the molecular mechanisms of this disease, although studies have largely focused on a single vascular site. Here, we review those recent studies in which vascular site-specific effects on atherosclerosis were reported when more than 1 site was examined. We assess the hypothesis that regional differences in the hemodynamic profile prime the endothelial phenotype to respond distinctly to such systemic risk factors as hypercholesterolemia, genetics, immune status, gender, and oxidative stress. Because a given treatment may differentially affect the development of atherosclerotic lesions throughout the vasculature, the sites chosen for study are critically important. By accounting for the complex interplay of factors that may operate at these different sites, a more complete understanding of the overriding mechanisms that control the initiation and progression of the atherosclerotic lesion may be realized.
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