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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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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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Determining the Plane of Cell Division02:13

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Positioning the cell division plane is a critical step during development and cell differentiation, particularly during mitosis when the plane is essential for determining the size of the two daughter cells. The cell division plane is perpendicular to the plane of chromosome segregation, but different types of organisms have different cell division mechanisms to suit their morphology and function. 
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Determination01:51

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During embryogenesis, cells become progressively committed to different fates through a two-step process: specification followed by determination. Specification is demonstrated by removing a segment of an early embryo, “neutrally” culturing the tissue in vitro—for example, in a petri dish with simple medium—and then observing the derivatives. If the cultured region gives rise to cell types that it would normally generate in the embryo, this means that it is specified. In...
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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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Ex Utero Electroporation and Organotypic Slice Cultures of Embryonic Mouse Brains for Live-Imaging of Migrating GABAergic Interneurons

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Decision making during interneuron migration in the developing cerebral cortex.

Jiami Guo1, E S Anton1

  • 1UNC Neuroscience Center, University of North Carolina School of Medicine, Chapel Hill, NC 27599, USA; Department of Cell Biology and Physiology, University of North Carolina School of Medicine, Chapel Hill, NC 27599, USA.

Trends in Cell Biology
|January 7, 2014
PubMed
Summary
This summary is machine-generated.

Proper migration of brain interneurons is crucial for neural circuit formation. This review details the cellular and molecular mechanisms guiding gamma-aminobutyric acid (GABA) interneuron navigation during development.

Keywords:
cerebral cortexinterneuronslaminar organizationmigrationneural circuitry

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Related Experiment Videos

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Area of Science:

  • Neuroscience
  • Developmental Biology
  • Cell Biology

Background:

  • Interneuron migration is vital for establishing functional brain circuitry.
  • Maintaining excitatory/inhibitory balance relies on correct interneuron distribution.
  • Gamma-aminobutyric acid (GABA)ergic interneurons originate in the ventral telencephalon.

Purpose of the Study:

  • To review the cellular and molecular mechanisms governing cortical interneuron migration.
  • To examine the navigational strategies employed by developing interneurons.
  • To understand the developmental processes underlying neural circuit formation.

Main Methods:

  • Literature review of cellular and molecular studies on interneuron migration.
  • Analysis of developmental neurobiology research.
  • Synthesis of findings on interneuron guidance cues and signaling pathways.

Main Results:

  • Interneuron migration involves complex, multi-step navigation.
  • Specific cellular and molecular factors direct interneuron movement.
  • The process ensures precise targeting within the developing cortex.

Conclusions:

  • Understanding interneuron migration is key to comprehending brain development.
  • Disruptions in migration can lead to neurological disorders.
  • Further research into molecular underpinnings can inform therapeutic strategies.