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Related Concept Videos

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Cell Migration

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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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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...
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Characterizing Cell Migration Within Three-dimensional In Vitro Wound Environments
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Moving through a changing world: Single cell migration in 2D vs. 3D.

Anna Pawluchin1,2,3, Milos Galic1,2

  • 1Institute of Medical Physics and Biophysics, Medical Faculty, University of Münster, Münster, Germany.

Frontiers in Cell and Developmental Biology
|January 6, 2023
PubMed
Summary
This summary is machine-generated.

Cell migration in 3D environments presents unique challenges compared to 2D surfaces. This review explores how 3D settings alter cell structures and motion patterns, impacting cellular propulsion.

Keywords:
cell migrationcytoskeletal forcesextracellular matrixmembrane curvatureself-organization

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Area of Science:

  • Cellular biology
  • Biophysics
  • Developmental biology

Background:

  • Single adherent cell migration is crucial in biological development and adult organisms.
  • Extensive research exists on cell motion dynamics on 2D surfaces.
  • Cellular migration in 3D microenvironments remains less understood.

Purpose of the Study:

  • To review the distinct parameters cells encounter during 3D migration versus 2D surface crawling.
  • To explore alterations in subcellular structures essential for cell propulsion in 3D.
  • To discuss the impact of micro-scale changes on macro-scale cell motion patterns.

Main Methods:

  • Literature review and synthesis of existing research on cell migration.
  • Comparative analysis of cellular behavior in 2D and 3D environments.
  • Discussion of molecular and mechanical cues influencing cell motility.

Main Results:

  • 3D environments impose different physical and chemical cues compared to 2D surfaces.
  • Cellular propulsion mechanisms and required subcellular structures are modified in 3D.
  • Micro-environmental changes in 3D significantly influence overall cell movement patterns.

Conclusions:

  • Understanding 3D cell migration is critical for comprehending biological processes.
  • Differences in 3D environments necessitate adaptations in cellular migration strategies.
  • Further research into 3D cell migration can reveal new insights into development and disease.