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Related Experiment Videos

Evidence for changes in cell shape from a 2-dimensional to a 3-dimensional substrate.

M A England, J Wakely

    Experientia
    |May 15, 1979
    PubMed
    Summary
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    Chick embryo mesoderm cell movement in vitro exaggerates normal in vivo patterns when cells encounter a 2D substrate instead of a 3D environment. Scanning electron microscopy (SEM) revealed these distinct migratory behaviors.

    Area of Science:

    • Developmental biology
    • Cell biology
    • Biophysics

    Background:

    • Understanding cell migration is crucial for developmental processes and tissue repair.
    • Chick embryo mesoderm cells serve as a model for studying fundamental cell movement mechanisms.

    Purpose of the Study:

    • To compare and correlate the in vivo and in vitro migratory behaviors of chick embryo mesoderm cells.
    • To investigate the influence of substrate dimensionality on cell morphology and movement patterns.

    Main Methods:

    • Explantation of chick embryo mesoderm cells into both in vivo and in vitro culture systems.
    • Analysis of cell morphology and movement using Scanning Electron Microscopy (SEM).

    Main Results:

    • In vitro cell movements were observed to be exaggerated compared to normal in vivo movements.

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  • A key difference was identified: in vitro migration occurred on a 2-dimensional substrate, while in vivo migration involved a 3-dimensional environment.

    • Conclusions:

    • Substrate dimensionality significantly influences mesoderm cell migration patterns.
    • In vitro models can provide insights into cell behavior but may exaggerate normal developmental movements.