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Related Experiment Videos

Cell line segregation during peripheral nervous system ontogeny.

N M Le Douarin

    Science (New York, N.Y.)
    |March 28, 1986
    PubMed
    Summary

    Neural crest cells form the peripheral nervous system, and their differentiation depends on environmental cues during migration and gangliogenesis, acting on a diverse cell population.

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    Area of Science:

    • Developmental biology
    • Neuroscience
    • Cell biology

    Background:

    • The peripheral nervous system originates from neural crest and ectodermal placodes.
    • Quail-chick chimeras are crucial models for studying cell migration and fate.

    Purpose of the Study:

    • To investigate the environmental influences on neural crest cell differentiation.
    • To understand the role of migration and gangliogenesis in neural crest development.

    Main Methods:

    • Quail-chick chimera construction and tissue transplantation.
    • In vitro culture techniques.
    • Monoclonal antibody analysis.

    Main Results:

    • Environmental factors significantly control neural crest cell differentiation.
    • These influences are most critical during migration and gangliogenesis.
    • Neural crest cells comprise a heterogeneous population with restricted developmental potencies.

    Conclusions:

    • Environmental cues guide the differentiation of a heterogeneous neural crest cell population.
    • Developmental pathways for neural crest cells are partly predetermined but influenced by the environment.

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