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Related Experiment Video

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Electric Cell-substrate Impedance Sensing for the Quantification of Endothelial Proliferation, Barrier Function, and Motility

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Endothelial cell migration, adhesion and proliferation on different polymeric substrates.

Anne Krüger-Genge, Stefanie Dietze, Wan Yan

Clinical Hemorheology and Microcirculation

|December 20, 2018

Summary

Polymer wettability influences endothelial cell (EC) migration and adherence. This finding is crucial for the development of effective polymer-based biomaterials for endothelialization and proliferation.

Keywords:

Endothelial cells cytokine release migration polymer-based biomaterials

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Last Updated: Jan 31, 2026

Electric Cell-substrate Impedance Sensing for the Quantification of Endothelial Proliferation, Barrier Function, and Motility

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Published on: March 28, 2014

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Published on: February 19, 2015

Area of Science:

Biomaterials Science
Cell Biology
Surface Chemistry

Background:

Endothelial cell (EC) monolayer formation and proliferation depend on migratory activity.
Understanding EC migration is key for developing functional biomaterials.

Purpose of the Study:

To investigate the migratory pathways of human umbilical endothelial cells (HUVEC) on various polymeric substrates.
To correlate polymer surface properties with EC migration and adherence.

Main Methods:

Characterized polymer surfaces (PTFE, LAP, TCP) using contact angle and atomic force microscopy.
Recorded HUVEC tracks via time-lapse microscopy to determine migration parameters (distance, velocity).
Assessed focal adhesion formation using vinculin staining.

Main Results:

HUVEC migration on low-attachment plates (LAP) was significantly reduced compared to PTFE and tissue culture plates (TCP).
TCP supported nearly confluent EC monolayer formation, unlike PTFE and LAP.
Focal adhesion formation varied, with diffuse signals on TCP, cell rim arrangement on PTFE, and none on LAP.

Conclusions:

Polymer wettability critically impacts EC initial adherence and migration.
These migration dynamics are essential for EC proliferation and the endothelialization of polymer-based biomaterials.