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New technologies in cell analysis by flow cytometry.

R B Colvin, F I Preffer

    Archives of Pathology & Laboratory Medicine
    |July 1, 1987
    PubMed
    Summary
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    Automated flow cytometry offers sensitive and quantitative cell analysis for diagnostics. This technology is a standard for blood cell identification and tumor cell ploidy, providing a practical alternative to microscopy.

    Area of Science:

    • Biomedical Engineering
    • Cell Biology
    • Medical Diagnostics

    Background:

    • Automated flow cytometry enables efficient, sensitive, objective, and quantitative analysis of cells and their components in suspension.
    • Key diagnostic applications include identifying blood cells using monoclonal antibodies and characterizing tumor cell ploidy via nuclear DNA analysis.

    Purpose of the Study:

    • To highlight the diagnostic capabilities and evolving technologies of automated flow cytometry.
    • To present flow cytometry as a practical alternative to microscopy for analyzing cells in suspension.

    Main Methods:

    • Utilizes monoclonal antibodies for surface molecule identification in blood cells.
    • Employs nuclear DNA analysis for tumor cell ploidy characterization.
    • Leverages new technologies for analyzing small cell quantities (e.g., fine-needle aspirates) and multiple markers.

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    Main Results:

    • Flow cytometry is established as the standard technique for analyzing cells in suspension, such as blood and other bodily fluids.
    • Advanced technologies allow for the analysis of minimal cell samples, multiple simultaneous markers, oncogene products, and cells from paraffin-embedded tissues.
    • The method provides a quantitative and objective assessment of cellular characteristics.

    Conclusions:

    • Automated flow cytometry is a powerful tool for cell analysis with significant diagnostic applications.
    • The technique's sensitivity, objectivity, and quantitative nature make it superior to traditional methods for certain analyses.
    • Ongoing technological advancements continue to expand the utility of flow cytometry in research and clinical settings.