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Related Experiment Videos

Surface immunoglobulin on leukemic, leukemoid, and normal granulocytes

P K Pattengale, B K Schneider, J W Parker

    Journal of the National Cancer Institute
    |June 1, 1976
    PubMed
    Summary

    Researchers identified a consistent surface immunoglobulin pattern on granulocytic leukemia cells and normal granulocytes. This finding suggests IgG binding via Fc receptors, offering potential for distinguishing leukemia from lymphoma.

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    PSYCHOLOGICAL AND PSYCHOPHYSIOLOGICAL EFFECTS OF CONFINEMENT IN A HIGH-PRESSURE HELIUM-OXYGEN-NITROGEN ATMOSPHERE FOR 284 HOURS. REP NO. 441.

    Report (U.S. Naval Medical Research Laboratory)·2014

    Area of Science:

    • Hematology
    • Immunology
    • Oncology

    Background:

    • Leukemias and lymphomas are cancers of blood cells.
    • Understanding cell surface markers is crucial for diagnosis and classification.

    Purpose of the Study:

    • To investigate surface immunoglobulin patterns in granulocytic leukemias using immunologic and cytochemical techniques.
    • To determine if observed patterns are specific to leukemia cells.

    Main Methods:

    • Employed a novel functional approach combining immunologic and cytochemical techniques.
    • Analyzed surface immunoglobulin patterns on leukemia cells, nonneoplastic granulocytes, and normal granulocytes.

    Main Results:

    • A consistent gamma-, kappa-, lambda-type surface immunoglobulin pattern was observed on both poorly differentiated (acute) and well-differentiated (chronic) granulocytic leukemia cells.

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  • This pattern was also present on nonneoplastic granulocytes from patients with leukemoid reactions and normal individuals.
  • Findings suggest IgG binding to granulocytes via Fc receptors, correlating with differentiation and activation, not tumor specificity.

    • Conclusions:

    • The observed IgG binding is not tumor-specific and occurs on both leukemic and non-leukemic granulocytes.
    • This phenomenon may correlate with granulocyte differentiation and activation status.
    • The findings provide a potential method for differentiating poorly differentiated granulocytic leukemia from lymphomatous processes.