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Cell migration is a process by which the cells move from one location to another, playing an essential role in embryological development, repair and regeneration, immune response, and metastasis. Cells migrate in response to chemical or mechanical signals generated by specific organs or tissues. The overall mechanism includes three steps - polarization, protrusion, and release. Polarization involves the formation of a distinct cell front and rear, which determines the direction of movement.

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Related Experiment Video

Updated: Mar 3, 2026

Modeling and Imaging 3-Dimensional Collective Cell Invasion

Modeling and Imaging 3-Dimensional Collective Cell Invasion

Published on: December 7, 2011

Modeling collective cell migration in geometric confinement.

Victoria Tarle¹, Estelle Gauquelin, S R K Vedula

¹Department of Chemical Physics, Weizmann Institute of Science, Rehovot 76100, Israel.

Physical Biology

|May 4, 2017

Summary

This summary is machine-generated.

Collective cell migration in expanding monolayers is modeled by edge cell feedback. This model explains increased migration speeds in confined geometries and highlights the role of edge shape in collective cell motion.

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Last Updated: Mar 3, 2026

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Area of Science:

Cellular dynamics
Biophysics
Collective cell migration

Background:

Monolayer expansion is a key model for studying collective cell migration.
Observed 'fingering' at the culture front presents a complex phenomenon in cell expansion.

Purpose of the Study:

To model the feedback mechanism between leading edge curvature and cell motility.
To explain the increased collective cell migration speed in confined geometries.
To validate the model against experimental observations in various confining shapes.

Main Methods:

Development of a mathematical model incorporating feedback between edge curvature and cell motility.
Comparison of model predictions with experimental data on monolayer expansion in different geometries.

Main Results:

The proposed model successfully explains the 'fingering' phenomenon observed in monolayer expansion.
The model accounts for the increased collective cell migration speed in thin stripes.
Model predictions align with experimental observations in diverse confining geometries.

Conclusions:

The feedback mechanism between edge shape and cell motility is crucial for collective cell migration.
Edge cells and the leading edge's geometry significantly influence collective cell motion.
The model provides a framework for understanding cell behavior in confined environments.