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Updated: Jul 10, 2026

Isolation and Profiling of Human Primary Mesenteric Arterial Endothelial Cells at the Transcriptome Level

Isolation and Profiling of Human Primary Mesenteric Arterial Endothelial Cells at the Transcriptome Level

Published on: March 14, 2022

Endothelial transcriptome profiles in vivo in complex arterial flow fields.

Peter Francis Davies¹

¹Department of Pathology and Laboratory Medicine, Institute for Medicine and Engineering, University of Pennsylvania, 1010 Vagelos Building, 3340 Smith Walk, Philadelphia, PA 19104, USA. pfd@pobox.upenn.edu

Annals of Biomedical Engineering

|November 6, 2007

Summary

Endothelial cells respond to blood flow forces, particularly shear stress. Gene expression analysis reveals how endothelial cells differ in areas prone to atherosclerosis, offering insights into disease mechanisms.

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Isolation and Profiling of Human Primary Mesenteric Arterial Endothelial Cells at the Transcriptome Level

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Published on: March 14, 2022

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Area of Science:

Cardiovascular Biology
Translational Medicine
Molecular Biology

Background:

The endothelium, the inner lining of blood vessels, is sensitive to hemodynamic forces like shear stress.
Atherosclerosis, a major cardiovascular disease, often develops in specific arterial regions characterized by complex blood flow patterns and lower shear stress.
Understanding endothelial responses to varying flow conditions is crucial for deciphering atherogenesis.

Purpose of the Study:

To investigate the gene expression profiles of endothelial cells from different arterial regions with varying flow characteristics.
To correlate endothelial phenotype with susceptibility to atherosclerosis.
To provide in vivo data complementing in vitro studies on endothelial mechanotransduction.

Main Methods:

Isolation of endothelial cells from specific arterial segments.
Transcriptome profiling (gene expression analysis) of isolated endothelial cells.
Comparison of gene expression patterns between regions with different hemodynamic environments.

Main Results:

Identification of distinct endothelial gene expression patterns associated with specific hemodynamic forces.
Correlation of altered gene expression with sites predisposed to atherosclerotic lesion development.
Demonstration of differential endothelial responses to flow characteristics in vivo.

Conclusions:

Endothelial cell phenotype is significantly influenced by local hemodynamic forces.
Gene expression differences in endothelial cells contribute to site-specific atherogenesis.
In vivo endothelial characterization provides a foundation for understanding flow-mediated cardiovascular disease.