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Related Concept Videos

Cell Migration01:09

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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Cytoskeletal Coordination in Cell Migration01:32

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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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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,...
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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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Intracellular Signaling Affects Focal Adhesions01:17

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Integrins act both as extracellular input receivers and as intracellular processing activators. As their name suggests, integrins are entirely integrated into the membrane structure. Their hydrophobic membrane-spanning regions interact with the phospholipid bilayer's hydrophobic region. These membrane receptors provide extracellular attachment sites for effectors like hormones and growth factors. They activate intracellular response cascades when their effectors are bound and active.
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Related Experiment Video

Updated: May 4, 2026

Ex Utero Electroporation and Organotypic Slice Cultures of Embryonic Mouse Brains for Live-Imaging of Migrating GABAergic Interneurons
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Endocannabinoid signalling in neuronal migration.

Ya Zhou1, Katarzyna Falenta1, Giovanna Lalli1

  • 1Wolfson Centre for Age-Related Diseases, King's College London, Guy's Campus, London SE1 1UL, UK.

The International Journal of Biochemistry & Cell Biology
|December 24, 2013
PubMed
Summary
This summary is machine-generated.

The endocannabinoid system, particularly 2-arachidonoyl glycerol (2-AG), is vital for brain development, regulating neuronal migration. This system offers potential for neuroregenerative therapies.

Keywords:
2-AGCB receptorEndocannabinoidNeuronal migration

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Developmental Biology

Background:

  • The endocannabinoid (eCB) system comprises endogenous lipids, cannabinoid receptors (CB1, CB2), and associated enzymes.
  • 2-arachidonoyl glycerol (2-AG) is a key eCB in the CNS, activating CB1 receptors to influence numerous signaling pathways.
  • The eCB system plays a role in neurogenesis, axon guidance, and synaptic plasticity.

Purpose of the Study:

  • To investigate the role of endocannabinoid signaling in neuronal migration during central nervous system (CNS) development.
  • To explore the implications of eCB signaling in neuronal positioning and motility.

Main Methods:

  • The study likely involved analyzing the effects of eCB signaling on neuronal migration using various experimental models.
  • Methods may include genetic manipulation, pharmacological interventions, and advanced imaging techniques to observe neuronal movement and positioning.

Main Results:

  • Endocannabinoid signaling was found to be crucial for regulating neuronal migration, both pre- and post-natally.
  • Specifically, eCB signaling influences the positioning of interneurons in the cortex and hippocampus.
  • It also affects the polarized motility of neural stem cell-derived neuroblasts.

Conclusions:

  • Endocannabinoid signaling is a critical regulator of neuronal migration, essential for establishing the CNS architecture.
  • Dysregulation of eCB signaling may contribute to cognitive deficits observed with cannabis use.
  • The findings suggest potential therapeutic avenues for endogenous stem cell-based neuroregeneration.