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Related Experiment Videos

Defective EBV-specific suppressor T-cell function in rheumatoid arthritis.

G Tosato, A D Steinberg, R M Blaese

    The New England Journal of Medicine
    |November 19, 1981
    PubMed
    Summary

    Epstein-Barr virus (EBV) infection may be linked to rheumatoid arthritis. Patients with rheumatoid arthritis show a specific T-cell defect that fails to suppress EBV-driven immunoglobulin production, unlike healthy individuals.

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    Arthritis and rheumatism·2002

    Area of Science:

    • Immunology
    • Virology
    • Rheumatology

    Background:

    • High antibody titers to Epstein-Barr virus (EBV)-associated antigens and B cell transformation suggest an EBV-rheumatoid arthritis link.
    • EBV persists in host B cells, potentially acting as a continuous stimulus for immunoglobulin production.

    Purpose of the Study:

    • To investigate the immune response to EBV in patients with rheumatoid arthritis.
    • To identify potential defects in immunoregulatory T cells specific to EBV in rheumatoid arthritis.

    Main Methods:

    • In vitro infection of lymphocytes from healthy donors and rheumatoid arthritis patients with EBV.
    • Culture and analysis of immunoglobulin production and T-cell function over 12 days.

    Main Results:

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    • Normal lymphocytes showed EBV-induced immunoglobulin production followed by marked late suppression mediated by T cells.
    • Lymphocytes from rheumatoid arthritis patients exhibited increased immunoglobulin production but lacked the expected late T-cell suppression.
    • Other T-cell functions in rheumatoid arthritis patients were normal, indicating a specific regulatory defect.

    Conclusions:

    • A specific defect in EBV-related suppressor T-cell function may exist in rheumatoid arthritis patients.
    • This defect, combined with persistent EBV infection, could contribute to immune abnormalities in rheumatoid arthritis.