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Suppressor cell number and function in alopecia areata.

M K Hordinsky, H Hallgren, D Nelson

    Archives of Dermatology
    |February 1, 1984
    PubMed
    Summary
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    Alopecia patients exhibit altered immune responses, including autoantibody formation and increased suppressor cells. These immune changes, particularly suppressor cell activity, may relate to spontaneous hair regrowth in alopecia areata, alopecia totalis, and alopecia universalis.

    Area of Science:

    • Immunology
    • Dermatology
    • Autoimmune Diseases

    Background:

    • Alopecia areata, alopecia totalis, and alopecia universalis are autoimmune conditions affecting hair follicles.
    • Understanding the immunologic underpinnings is crucial for disease management.

    Purpose of the Study:

    • To investigate immunologic function values in patients with alopecia compared to a control group.
    • To correlate immune parameters with disease activity and extent.

    Main Methods:

    • Studied 14 patients with various forms of alopecia and an age/sex-matched control group.
    • Assessed autoantibody formation, lymphocyte response to mitogens (concanavalin A, phytohemagglutinin, pokeweed), T-cell and B-cell counts, and helper-suppressor ratios.

    Main Results:

    Related Experiment Videos

    • Patients showed increased autoantibodies, heightened concanavalin A-induced suppression of lymphocyte response, more suppressor-cytotoxic cells, and lower B-cell counts.
    • Absolute T-cell counts, serum immunoglobulins, and lymphocyte proliferation to other stimuli were comparable between groups.
    • Concanavalin A-induced suppression and helper-suppressor ratio did not correlate with hair loss extent, but increased suppression was seen in patients with spontaneous hair regrowth.

    Conclusions:

    • Alopecia patients exhibit distinct immunologic alterations, including autoantibody production and a shift towards suppressor cell activity.
    • Increased suppressor cell function may be associated with spontaneous hair regrowth in alopecia areata, alopecia totalis, and alopecia universalis.