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Lymphocyte markers in patients with progressive systemic sclerosis.

L Czirják, K Dankó, I Sonkoly

    Acta Medica Hungarica
    |January 1, 1985
    PubMed
    Summary

    Progressive systemic sclerosis is associated with reduced T lymphocytes, specifically T gamma cells and T cells recognizing autologous red blood cells. These immune cell changes remained stable over six months in patients.

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    Area of Science:

    • Immunology
    • Rheumatology
    • Cell Biology

    Background:

    • Progressive systemic sclerosis (PSS) is an autoimmune disease affecting connective tissues.
    • Immune system dysregulation, particularly T lymphocyte abnormalities, is implicated in PSS pathogenesis.

    Purpose of the Study:

    • To investigate T lymphocyte subpopulations in patients with progressive systemic sclerosis.
    • To assess changes in T cell subsets, including T gamma cells and T cells recognizing autologous red blood cells.

    Main Methods:

    • Studied 18 patients diagnosed with progressive systemic sclerosis.
    • Analyzed absolute lymphopenia, E-rosette forming cells, T gamma cells, histamine receptor-bearing cells, and T lymphocytes recognizing autologous red blood cells.

    Main Results:

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    • Patients exhibited absolute lymphopenia and decreased E-rosette forming cells.
    • A reduction in T gamma cells and T lymphocytes recognizing autologous red blood cells was observed compared to controls.
    • Histamine receptor-bearing cells remained unchanged.
    • T cell subpopulation numbers and ratios were stable over six months.

    Conclusions:

    • Progressive systemic sclerosis is characterized by specific T lymphocyte subset reductions.
    • These immunological alterations appear persistent in the disease over a six-month period.
    • No direct correlation was found between clinical manifestations and T cell subpopulation ratios.