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Related Experiment Videos

Red cell-mediated microinjection.

R A Schlegel, L McEvoy

    Methods in Enzymology
    |January 1, 1987
    PubMed
    Summary
    This summary is machine-generated.

    Red cell-mediated microinjection efficiently introduces macromolecules into cultured cells. Methods using phytohemagglutinin, Concanavalin A, or polylysine offer similar results, with Con A and polylysine allowing for easier removal of non-fused cells.

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    Area of Science:

    • Cell Biology
    • Biotechnology

    Background:

    • Efficient introduction of macromolecules into cells is crucial for various biological studies.
    • Red blood cells can be utilized as carriers for delivering substances into recipient cells.

    Purpose of the Study:

    • To evaluate red cell-mediated microinjection for introducing macromolecules into cultured cells.
    • To compare the efficiency and viability of cell fusion using different agglutinating agents.

    Main Methods:

    • Utilizing red blood cells loaded with macromolecules for microinjection into monolayer cell cultures.
    • Employing polyethylene glycol (PEG) as a fusogen.
    • Comparing three agglutinating agents: phytohemagglutinin (PHA), Concanavalin A (Con A), and polylysine.

    Main Results:

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    • All three agglutinating agents (PHA, Con A, polylysine) demonstrated similar efficiencies in microinjection and postfusion cell viability.
    • Phytohemagglutinin (PHA) presented a drawback due to the inability to remove non-fused red blood cells post-fusion.
    • Concanavalin A (Con A) and polylysine allowed for reversible attachment and subsequent removal of the majority of non-fused red blood cells.

    Conclusions:

    • Red cell-mediated microinjection is an effective method for delivering macromolecules into cultured cells.
    • Concanavalin A (Con A) and polylysine are preferred agglutinating agents due to their ability to facilitate the removal of non-fused red blood cells, improving experimental outcomes.