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Related Experiment Videos

A new method for separating mononuclear cells from whole blood.

N Gadol, G Nakamura, A Saunders

    Diagnostic Immunology
    |January 1, 1985
    PubMed
    Summary

    The LeucoPREP tube offers a faster, simpler method for isolating mononuclear cells from whole blood compared to Ficoll methods. This new tube provides equivalent cell yield and viability, making it ideal for high-throughput clinical labs.

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    Area of Science:

    • Hematology
    • Cell Separation Technology

    Background:

    • Standard methods for isolating mononuclear cells, such as Ficoll-based techniques, involve multiple steps including blood dilution and careful layering.
    • These conventional methods can be time-consuming and require significant technical expertise.

    Purpose of the Study:

    • To describe a novel method, the LeucoPREP tube, for efficient mononuclear cell separation from whole blood.
    • To evaluate the performance of the LeucoPREP tube in terms of cell yield, viability, and subpopulation percentages.

    Main Methods:

    • The LeucoPREP tube utilizes a polyester gel and a density gradient solution (sucrose polymer and sodium diatrizoate).
    • Whole blood is added directly to the tube, followed by a short centrifugation step (10 minutes).
    • Platelets are subsequently removed from the mononuclear cells through a washing process.

    Main Results:

    • The LeucoPREP tube effectively separates mononuclear cells (lymphocytes and monocytes) from granulocytes and erythrocytes based on density differences.
    • The yield, viability, and cell subpopulation percentages obtained using the LeucoPREP tube are comparable to those achieved with standard Ficoll methods.
    • The method is faster and less technically demanding than traditional Ficoll-based approaches.

    Conclusions:

    • The LeucoPREP tube presents a significant advancement in mononuclear cell isolation, offering a more streamlined and efficient alternative.
    • Its ease of use, direct whole blood addition, and short centrifugation time make it highly suitable for clinical laboratories processing numerous samples.

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