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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...
Cell Polarization by Rho Proteins01:21

Cell Polarization by Rho Proteins

Cell polarity is the asymmetric distribution of cellular and membrane components, making one side of the cell different from the other. This polarity is essential to many processes such as embryogenesis, axon migration, glucose transport across epithelial cells, and directional cell migration. A migrating cell responds to intracellular or extracellular signals via molecular cascades that reorganize the actin cytoskeleton to establish this polarity. In these cells, the Rho family proteins Cdc42,...
Role of Myosin in Cell Migration01:18

Role of Myosin in Cell Migration

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.
Myosin II  is a hexamer comprising two heavy chains with globular heads and coiled-coil tails, two regulatory light chains, and two essential light chains. The ATPase sites on the myosin heads hydrolyze ATP, and the released phosphate generates the force for contraction. It is...

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Related Experiment Video

Updated: Jun 15, 2026

Ex Utero Electroporation and Organotypic Slice Cultures of Embryonic Mouse Brains for Live-Imaging of Migrating GABAergic Interneurons
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Ex Utero Electroporation and Organotypic Slice Cultures of Embryonic Mouse Brains for Live-Imaging of Migrating GABAergic Interneurons

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Guiding neuronal cell migrations.

Oscar Marín1, Manuel Valiente, Xuecai Ge

  • 1Instituto de Neurociencias, Consejo Superior de Investigaciones Científicas and Universidad Miguel Hernández, Sant Joan d'Alacant 03550, Spain. o.marin@umh.es

Cold Spring Harbor Perspectives in Biology
|February 26, 2010
PubMed
Summary

Brain wiring relies on neuronal migration, a process distinct from axon guidance. Key differences include nucleokinesis and leading process responses to guidance cues, highlighting unique cellular mechanisms in brain development.

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Area of Science:

  • Neuroscience
  • Developmental Biology
  • Cell Biology

Background:

  • Neuronal migration is crucial for brain development, enabling precise positioning of cells to form complex circuitries.
  • The nervous system utilizes cell migration to increase size and complexity, similar to other organs.
  • Guidance mechanisms in neuronal migration share similarities with axon guidance, including substrate use and chemotactic cues.

Purpose of the Study:

  • To elucidate the fundamental mechanisms of neuronal migration in brain development.
  • To compare and contrast the cellular processes of neuronal migration and axon guidance.
  • To identify unique cellular events, such as nucleokinesis and leading process steering, in migrating neurons.

Main Methods:

  • Comparative analysis of cellular and molecular mechanisms between neuronal migration and axon guidance.
  • Investigation of nucleokinesis as an integral component of neuronal migration.
  • Examination of the leading process's response to guidance cues in specific neuronal populations.

Main Results:

  • Neuronal migration and axon guidance, while sharing some principles, exhibit significant differences in their underlying cell biology.
  • Nucleokinesis is identified as an essential, integrated process within neuronal migration.
  • The cellular machinery governing the leading process response to guidance cues may differ between neuronal migration and growth cone steering.

Conclusions:

  • Neuronal migration is a fundamental process in brain wiring with distinct cellular mechanisms compared to axon guidance.
  • Understanding these differences, particularly in nucleokinesis and leading process dynamics, is key to comprehending brain development.
  • Further research into these unique cellular mechanisms will advance our knowledge of neural circuit formation.