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Cell Migration

Cell Migration

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.

Cell Migration

Cell Migration

Cell migration, the process by which cells move from one location to another, is essential for the proper development and viability of organisms throughout their life. When cells are not able to migrate properly to their ordained locations, various disorders may occur. For example, disruption in cell migration causes chronic inflammatory diseases such as arthritis.

Cell-matrix's Response to Mechanical Forces

Cell-matrix's Response to Mechanical Forces

In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue.
Anchoring junctions mechanically attach a cell to the...

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Related Experiment Video

Updated: Jun 3, 2026

Engineering a Bilayered Hydrogel to Control ASC Differentiation

Engineering a Bilayered Hydrogel to Control ASC Differentiation

Published on: May 25, 2012

Engineering the cell-material interface for controlling stem cell adhesion, migration, and differentiation.

Ramses Ayala¹, Chao Zhang, Darren Yang

¹Department of Bioengineering, University of California San Diego, 9500 Gilman Drive, MC 0412, La Jolla, CA 92093, United States.

|March 15, 2011

Summary

This summary is machine-generated.

Matrix surface hydrophobicity significantly impacts stem cell behavior, including adhesion and differentiation. This discovery offers new avenues for regenerative medicine applications using tunable synthetic matrices.

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Patterning the Geometry of Human Embryonic Stem Cell Colonies on Compliant Substrates to Control Tissue-Level Mechanics

Patterning the Geometry of Human Embryonic Stem Cell Colonies on Compliant Substrates to Control Tissue-Level Mechanics

Published on: September 28, 2019

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Last Updated: Jun 3, 2026

Engineering a Bilayered Hydrogel to Control ASC Differentiation

Engineering a Bilayered Hydrogel to Control ASC Differentiation

Published on: May 25, 2012

Patterning the Geometry of Human Embryonic Stem Cell Colonies on Compliant Substrates to Control Tissue-Level Mechanics

Patterning the Geometry of Human Embryonic Stem Cell Colonies on Compliant Substrates to Control Tissue-Level Mechanics

Published on: September 28, 2019

Area of Science:

Biomaterials Science
Stem Cell Biology
Cellular Biophysics

Background:

Stem cell behavior is crucial for regenerative medicine.
Extracellular matrix (ECM) properties influence cell function.
The role of ECM interfacial properties remains unclear.

Purpose of the Study:

To investigate the effect of matrix interfacial hydrophobicity on stem cell behavior.
To develop tunable synthetic matrices with controlled hydrophobicity.
To understand the mechanisms underlying hydrophobicity-driven cellular responses.

Main Methods:

Fabrication of tunable synthetic matrices with varying hydrophobicity.
Assessment of stem cell adhesion, motility, and cytoskeletal organization.
Analysis of stem cell differentiation.
Investigation of protein binding at the matrix interface.

Main Results:

Matrix interfacial hydrophobicity significantly affects stem cell adhesion, motility, cytoskeletal organization, and differentiation.
Hydrophobicity-driven conformational changes in matrix side chains alter protein binding.
Tunable matrices allow control over stem cell behavior without changing bulk properties.

Conclusions:

Matrix interfacial hydrophobicity is a critical factor influencing stem cell behavior.
Hydrophobicity-mediated protein adsorption is a key mechanism.
Tunable synthetic matrices provide a novel platform for stem cell research and regenerative medicine.