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Suppressor cell function in atopic dermatitis associated with elevated immunoglobulin E.

D L Schuster, D Pierson, B Bongiovanni

    The Journal of Allergy and Clinical Immunology
    |August 1, 1979
    PubMed
    Summary
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    Suppressor cell function appears normal in atopic dermatitis (AD) patients with high IgE levels. Studies using two assays found no significant differences compared to healthy controls, indicating normal immune cell activity.

    Area of Science:

    • Immunology
    • Dermatology

    Background:

    • Atopic dermatitis (AD) is associated with elevated immunoglobulin E (IgE) levels.
    • The role of suppressor cell function in AD pathogenesis remains unclear.
    • Understanding immune cell activity is crucial for AD research.

    Purpose of the Study:

    • To evaluate suppressor cell function in patients with atopic dermatitis (AD) and elevated IgE.
    • To compare suppressor cell function in AD patients with matched nonatopic controls.
    • To determine if impaired suppressor cell function contributes to elevated IgE in AD.

    Main Methods:

    • Two assays were used to assess suppressor cell function.
    • Concanavalin A-activated suppressor cell activity was compared between AD patients and controls.
    • Peripheral blood mononuclear cells (PBM) were stimulated with mitogen after varying preculture times to assess proliferative responses.

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    Main Results:

    • No significant difference in suppressor cell function was observed between AD patients and control subjects in either assay.
    • The proliferative response patterns in AD patients were similar to those of controls.
    • Elevated IgE levels in AD patients did not correlate with aberrant suppressor cell function in vitro.

    Conclusions:

    • Suppressor cell function, as assessed by these specific proliferative assays, appears to be normal in atopic dermatitis patients with elevated IgE.
    • The findings suggest that impaired suppressor cell function is unlikely to be the primary cause of elevated IgE in AD.
    • Further research may be needed to explore other immune mechanisms contributing to AD and hyper-IgE.