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Updated: Jun 10, 2026

On-Chip Endothelial Inflammatory Phenotyping

On-Chip Endothelial Inflammatory Phenotyping

Published on: July 21, 2012

Receptor expression changes as a basis for endothelial cell identification using microfluidic channels.

Dwayne A L Vickers¹, Shashi K Murthy

¹Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, USA.

|August 18, 2010

Summary

This summary is machine-generated.

This study shows how microfluidic channels can separate endothelial cell types by analyzing their adhesion changes under fluid shear and ligand exposure. This method distinguishes cell phenotypes without needing fluorescent labels or flow cytometry.

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Development and Characterization of In Vitro Microvessel Network and Quantitative Measurements of Endothelial [Ca²⁺]_iand Nitric Oxide Production

Published on: May 19, 2016

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On-Chip Endothelial Inflammatory Phenotyping

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Published on: July 21, 2012

Endothelialized Microfluidics for Studying Microvascular Interactions in Hematologic Diseases

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Development and Characterization of In Vitro Microvessel Network and Quantitative Measurements of Endothelial [Ca2+]i and Nitric Oxide Production

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Published on: May 19, 2016

Area of Science:

Biomedical Engineering
Cell Biology
Microfluidics

Background:

Microfluidic cell separation relies on cell adhesion to functionalized channels.
Understanding how fluid shear and ligand exposure affect cell adhesiveness is crucial but not well-established.

Purpose of the Study:

To investigate the dynamic changes in endothelial cell adhesiveness within microfluidic channels.
To differentiate between human umbilical vein endothelial cells (HUVECs), human microvascular endothelial cells (HMVECs), and endothelial colony forming cells (ECFCs) based on their adhesion profiles.

Main Methods:

Utilized microfluidic channels coated with the tetrapeptide ligand arg-glu-asp-val (REDV).
Characterized adhesion profiles by varying soluble REDV concentration and fluid shear forces.
Observed differential adhesion responses among the three endothelial cell types.

Main Results:

Demonstrated distinct adhesion profiles for HUVECs, HMVECs, and ECFCs in REDV-functionalized microfluidic channels.
Showcased how fluid shear and soluble REDV modulate the adhesion of these cell types.
Successfully distinguished between similar endothelial cell phenotypes based on dynamic adhesion characteristics.

Conclusions:

Microfluidic channels functionalized with REDV ligands can differentiate endothelial cell phenotypes.
This technique offers a label-free method for cell identification, avoiding fluorescent staining or flow cytometry.
The findings provide a novel approach for analyzing cell-type specific responses to microenvironmental cues.