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Related Experiment Videos

Smooth, rough and upside-down neocortical development.

Eric C Olson1, Christopher A Walsh

  • 1Department of Neurology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts 02115, USA.

Current Opinion in Genetics & Development
|June 22, 2002
PubMed
Summary
This summary is machine-generated.

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Lissencephaly, a brain development disorder, arises from disrupted neuronal migration. Reelin, a key protein, may unify different lissencephaly types by influencing both migration and cytoskeleton regulation.

Area of Science:

  • Neuroscience
  • Developmental Biology
  • Genetics

Background:

  • Lissencephaly, or 'smooth cortex', results from impaired neuronal migration during fetal brain development.
  • Two main forms exist: 'classical' lissencephaly linked to microtubule cytoskeleton defects and 'cobblestone' lissencephaly associated with basal lamina gene mutations.
  • These conditions lead to severe clinical consequences.

Purpose of the Study:

  • To explore the role of Reelin in lissencephaly.
  • To investigate Reelin's potential as a unifying factor in different lissencephaly subtypes.
  • To understand the molecular mechanisms underlying Reelin's function in neuronal migration and cytoskeleton regulation.

Main Methods:

  • Genetic analysis of lissencephaly subtypes.

Related Experiment Videos

  • Molecular studies on Reelin's function.
  • Investigation of Reelin's interaction with the microtubule cytoskeleton and basal lamina.

    • Main Results:

    • Mutations in Reelin cause a distinct type of lissencephaly.
    • Reelin, an extracellular protein, is crucial for regulating neuronal migration.
    • Evidence suggests Reelin may also influence the microtubule cytoskeleton, potentially linking different lissencephaly forms.

    Conclusions:

    • Reelin plays a critical role in brain development and neuronal migration.
    • Reelin mutations represent a significant cause of lissencephaly.
    • Reelin may serve as a molecular bridge, connecting the distinct pathological pathways of classical and cobblestone lissencephaly.