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Related Concept Videos

Cell Migration01:09

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 Migration01:19

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.
Chemotaxis and Direction of Cell Migration01:21

Chemotaxis and Direction of Cell Migration

Cells can detect chemical cues in their environment and reorganize the cytoskeleton to migrate toward them or away from them. This directional migration, called chemotaxis, is essential during embryogenesis and development, immune response, tissue repair and regeneration, and reproduction. These chemical cues can either attract or repel the cell's movement. For example, axon development is determined by a combination of chemoattractants and chemorepellents that direct the growing axon towards...
Cytoskeletal Coordination in Cell Migration01:32

Cytoskeletal Coordination in Cell Migration

A migrating cell changes its shape during the cyclic events of attachment and detachment from the substratum and repositions the cell organelles correspondingly. These complex events are orchestrated by the dynamic cytoskeletal network comprising actin filaments, intermediate filaments, and microtubules. Cytoskeletal crosstalk — the direct and indirect communication between the different components — is crucial for this coordination. Direct communication involves various linker proteins that...

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Related Experiment Video

Updated: Jun 17, 2026

Traction Microscopy Integrated with Microfluidics for Chemotactic Collective Migration
10:53

Traction Microscopy Integrated with Microfluidics for Chemotactic Collective Migration

Published on: October 13, 2019

Guided Cell Migration on Microtextured Substrates with Variable Local Density and Anisotropy.

Deok-Ho Kim1, Chang-Ho Seo, Karam Han

  • 1Department of Biomedical Engineering Johns Hopkins University Baltimore, MD 21218 (USA).

Advanced Functional Materials
|January 5, 2010
PubMed
Summary
This summary is machine-generated.

Scientists developed a patterned cell culture substrate to control cell movement and organization. Cells align and migrate towards denser areas, offering a new method for tissue engineering.

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Last Updated: Jun 17, 2026

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Concentric Gel System to Study the Biophysical Role of Matrix Microenvironment on 3D Cell Migration

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Area of Science:

  • Biomaterials Science
  • Cell Biology
  • Microfabrication

Background:

  • Guiding cell organization and migration is crucial for tissue engineering.
  • Developing facile and efficient platforms for controlled cell patterning is an ongoing challenge.

Purpose of the Study:

  • To design and experiment with a topographically patterned cell culture substrate.
  • To guide cell organization and migration into desired spatial patterns.
  • To investigate the effects of variable local pattern density and anisotropy on cell behavior.

Main Methods:

  • Fabrication of an optically transparent microstructured layer using UV-assisted capillary force lithography.
  • Utilizing a UV curable poly(urethane acrylate) resin as the cell-culture substrate.
  • Coating the substrate with fibronectin to promote cell adhesion.

Main Results:

  • Quantitative characterization of differential polarization of cell morphology and movement.
  • Demonstrated exquisite sensitivity of cell shape and velocity to local anisotropy in 2D rectangular lattice arrays.
  • Observed cells integrating orthogonal spatial cues for orientation and movement direction.
  • Showed preferential cell migration from sparser to denser topographic areas.
  • Enabled planar assembly of cells into specified locations by varying lattice array densities.

Conclusions:

  • Lithographically defined substrates with variable density and anisotropy offer a novel approach to tailoring the cell-material interface.
  • These substrates can serve as templates for advanced tissue engineering applications.
  • Cell behavior is highly sensitive to topographical cues, enabling precise control over cell organization and migration.