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Related Concept Videos

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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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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Neighboring Cells as Living Substrates for Guiding Collective Cell Migration during Development.

Hoang Anh Le1, Roberto Mayor1,2

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Cell migration is guided by physical cues. This review highlights how the cellular environment, studied in vivo using model organisms, impacts cell movement and interactions.

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Area of Science:

  • Cell Biology
  • Biophysics
  • Developmental Biology

Background:

  • Cells navigate using biochemical and physical signals.
  • Research has shifted towards understanding physical factors in cell behavior.
  • In vitro studies often overlook the complex in vivo cellular environment.

Purpose of the Study:

  • To review recent findings on the biophysical impact of the cellular environment on cell migration.
  • To emphasize the importance of in vivo model systems for studying cell-on-cell interactions during migration.

Main Methods:

  • Focus on in vivo model systems.
  • Utilizes advancements in technology and model organism selection.
  • Examines specific examples like Drosophila border cells, Xenopus neural crest, and zebrafish posterior lateral line primordium.

Main Results:

  • The biophysics of the cellular environment significantly influences cell migration.
  • In vivo studies reveal complex cell-on-cell interactions during migration.
  • Model organisms provide crucial insights into these processes.

Conclusions:

  • In vivo systems are essential for understanding the biophysical regulation of cell migration.
  • Future research should continue to leverage advanced technologies and model organisms.
  • Cell-on-cell interactions are a critical aspect of directed cell movement within the body.