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Related Experiment Videos

Microfilaments and cell locomotion.

B S Spooner, K M Yamada, N K Wessells

    The Journal of Cell Biology
    |June 1, 1971
    PubMed
    Summary
    This summary is machine-generated.

    Microfilaments are essential for glial cell locomotion, forming a network disrupted by cytochalasin B, which halts cell movement. Recovery occurs upon drug removal, highlighting microfilaments

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    Developmental biology·2013

    Area of Science:

    • Cell Biology
    • Cytoskeleton Dynamics
    • Cell Motility

    Background:

    • Glial cells exhibit complex migration patterns in vitro.
    • Understanding the cytoskeletal components driving cell locomotion is crucial.

    Purpose of the Study:

    • To investigate the role of microfilaments in glial cell locomotion.
    • To determine the specific microfilament structures involved in cell migration.

    Main Methods:

    • In vitro migration assays using glial cells.
    • Treatment with cytochalasin B to disrupt microfilaments.
    • Treatment with colchicine to disrupt microtubules.
    • Microscopic observation of cellular structures and migration.

    Main Results:

    Related Experiment Videos

    • Two distinct microfilament systems were identified: a sheath and a network.
    • Cytochalasin B rapidly inhibited migration and disrupted the microfilament network, but not the sheath or microtubules.
    • Colchicine did not affect migration, undulating membrane activity, or microfilament integrity.
    • Cell migration recovered after cytochalasin B removal, independent of protein synthesis.

    Conclusions:

    • The microfilament network, not the sheath, is indispensable for glial cell locomotion.
    • Microfilaments are the primary determinants of cell movement in these cells.