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Human autologous and allogeneic rosettes.

M Lambermont, J Wybran, A Govaerts

    Journal of Immunological Methods
    |January 1, 1977
    PubMed
    Summary
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    Human red blood cells form rosettes with lymphocytes, a process influenced by conditions like temperature and serum. These rosette-forming cells (TEh) are identified as a T cell subpopulation.

    Area of Science:

    • Immunology
    • Cell Biology

    Background:

    • Human red blood cells can bind to human peripheral blood lymphocytes.
    • The formation of these rosettes, termed TEh (T-cell erythrocyte rosettes), is a phenomenon studied in immunology.

    Purpose of the Study:

    • To investigate the factors affecting human red blood cell-lymphocyte rosette formation.
    • To characterize the lymphocyte subpopulation involved in rosette formation.

    Main Methods:

    • Studying the percentage of rosette-forming cells (TEh) under various conditions.
    • Assessing the influence of temperature, foetal calf serum, toluidine blue, and ABO/rhesus antigens.
    • Analyzing rosette formation in T-cell and B-cell rich populations, and in patients with leukemia and lymphoma.

    Main Results:

    Related Experiment Videos

    • Rosette formation percentage is dependent on temperature and foetal calf serum quality.
    • Toluidine blue enhances rosette formation.
    • ABO and rhesus D antigens do not affect rosette formation.
    • Rosette-forming cells were confirmed to be a T-cell subpopulation.

    Conclusions:

    • Human autologous and allogeneic rosette-forming cells belong to a T-cell subpopulation.
    • Conditions such as temperature and serum composition significantly impact TEh assay results.