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Related Experiment Video

Updated: Aug 8, 2025

Whole-brain Segmentation and Change-point Analysis of Anatomical Brain MRI—Application in Premanifest Huntington's Disease
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Huntington's disease and brain development.

Sandrine Humbert, Monia Barnat

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    |February 27, 2023
    PubMed
    Summary

    Huntington's disease (HD) mutation affects human fetal brain development, specifically the neocortex. These early developmental defects may contribute to adult-onset symptoms, offering new perspectives on HD patient care.

    Keywords:
    Cell fateCell polarityCortical developmentCortical progenitorsGene mutationHuntingtinHuntington’s disease

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    Area of Science:

    • Neuroscience
    • Genetics
    • Developmental Biology

    Background:

    • Huntington's disease (HD) is a rare, inherited neurodegenerative disorder.
    • It is caused by a mutation in the huntingtin gene, leading to psychiatric, cognitive, and motor deficits.
    • While symptoms appear in adulthood, the HD mutation is present from embryonic development.

    Purpose of the Study:

    • To investigate whether the HD mutation impacts human fetal brain development.
    • To identify specific developmental abnormalities in the early stages of brain formation in HD-carrying fetuses.

    Main Methods:

    • Analysis of early-stage human fetal brain development.
    • Focus on the neocortex in fetuses with the Huntington's disease mutation.

    Main Results:

    • Identified significant abnormalities in neocortex development in human fetuses with the HD mutation.
    • These findings suggest developmental defects occur early in life.

    Conclusions:

    • The Huntington's disease mutation impacts human brain development, particularly the neocortex.
    • Early developmental defects may contribute to the adult-onset symptoms of HD.
    • This research may alter perspectives on HD and patient healthcare strategies.