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Related Concept Videos

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Cell Migration

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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.
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Cell Migration01:19

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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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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...
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Myosins are multimeric motor proteins involved in various cellular processes such as migration, adhesion, and proliferation. Myosin II is the most common type in animal cells, which binds and cross-links actin filaments.
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Updated: Mar 9, 2026

Creating Adhesive and Soluble Gradients for Imaging Cell Migration with Fluorescence Microscopy
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Photoactivatable Substrates: A Material-Based Approach for Dissecting Cell Migration.

Jun Nakanishi1

  • 1International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, 305-0044, Japan.

Chemical Record (New York, N.Y.)
|December 21, 2016
PubMed
Summary
This summary is machine-generated.

Photoactivatable substrates enable precise control over cell adhesion for studying cell migration. This technology offers new insights into the molecular and mechanical factors governing collective cell movement.

Keywords:
caged compoundcell migrationepithelial-mesenchymal transitionmechanobiologypatterning

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Area of Science:

  • Biomaterials Science
  • Cell Biology
  • Tissue Engineering

Background:

  • Photoactivatable substrates dynamically alter cell adhesion upon light exposure.
  • These materials offer high spatiotemporal control for cell manipulation.
  • They serve as valuable tools in biological research, complementing genetic methods.

Purpose of the Study:

  • To provide an overview of photoactivatable substrate development.
  • To highlight contributions to the study of collective cell migration.
  • To demonstrate their utility in dissecting cellular social activities.

Main Methods:

  • Development and application of photoactivatable substrates.
  • Utilizing these substrates to study cell migration dynamics.
  • Investigating molecular and mechanobiological regulatory mechanisms.

Main Results:

  • Demonstrated the effectiveness of photoactivatable substrates in cell manipulation.
  • Provided insights into collective cell migration processes.
  • Facilitated the dissection of regulatory mechanisms in cellular behaviors.

Conclusions:

  • Photoactivatable substrates are powerful tools for cell biology research.
  • They enable detailed investigation of cell migration and social behaviors.
  • This material-based approach advances understanding of cellular regulation.