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Related Concept Videos

Neurulation01:30

Neurulation

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Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the three primary cell layers of the embryo: ectoderm, mesoderm, and endoderm. In humans, the majority of this system is formed via primary neurulation, in which the central portion of the ectoderm—originally appearing as a flat sheet of cells—folds upwards and inwards, sealing off to form a hollow neural tube. As development proceeds, the...
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Updated: Jun 12, 2025

An Explant Assay for Assessing Cellular Behavior of the Cranial Mesenchyme
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ECM Mechanics in Central Nervous System Morphogenesis.

Alessandra Gentile1,2, Katerina Stavropoulou1, Katherine R Long3

  • 1Centre for Developmental Neurobiology, Institute of Psychiatry, Psychology and Neuroscience, King's College London, MRC Centre for Neurodevelopmental Disorders, King's College London, London, UK.

Developmental Neuroscience
|June 10, 2025
PubMed
Summary

The extracellular matrix (ECM) and its mechanical properties play a crucial role in central nervous system (CNS) development. This review highlights the active contribution of the ECM and extracellular forces in CNS morphogenesis.

Keywords:
Extracellular matrixMechanical forcesNeural morphogenesis

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Area of Science:

  • Developmental Biology
  • Biophysics
  • Neuroscience

Background:

  • Tissue and embryo shaping (morphogenesis) involves gene expression, extracellular matrix (ECM) remodeling, and mechanical forces.
  • While gene regulation, biochemical signaling, and cell-generated forces are well-studied, the ECM's active role and extracellular forces in tissue shaping remain less understood.
  • This knowledge gap is particularly significant for the central nervous system (CNS).

Purpose of the Study:

  • To review the growing evidence for the direct role of the ECM and mechanics in CNS morphogenesis.
  • To explore how ECM mechanical properties and extracellular forces influence the shape of developing neural tissues.

Main Methods:

  • This review synthesizes recent research findings.
  • Focuses on studies investigating the interplay between ECM, mechanical forces, and CNS development.

Main Results:

  • The ECM actively contributes to tissue shaping during development.
  • Extracellular forces, regulated by ECM mechanics, play an instructive role in CNS morphogenesis.
  • The mechanical properties of the ECM are critical for shaping developing neural tissues.

Conclusions:

  • The ECM is not merely a passive scaffold but an active participant in CNS morphogenesis.
  • Understanding ECM mechanics and extracellular forces is essential for comprehending neural tissue development.
  • Further research into these factors will illuminate mechanisms of CNS development and potential therapeutic targets.