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Related Experiment Videos

[Clinico-immunologic parallels in multiple sclerosis].

V F Prokof'ev, V I Konenkov, I A Gribacheva

    Zhurnal Nevropatologii I Psikhiatrii Imeni S.S. Korsakova (Moscow, Russia : 1952)
    |January 1, 1989
    PubMed
    Summary

    Human Leukocyte Antigen (HLA) antigen profiles differ between patients with disseminated sclerosis and healthy individuals. Specific HLA antigen variations correlate with disease activity, course, and patient demographics, suggesting a genetic component in multiple sclerosis.

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    Area of Science:

    • Immunogenetics
    • Neuroimmunology
    • Human Leukocyte Antigen (HLA) System

    Background:

    • Disseminated sclerosis (DS), a neurological autoimmune disease, is known to have associations with specific Human Leukocyte Antigen (HLA) alleles.
    • Understanding the genetic factors, particularly HLA antigen profiles, is crucial for elucidating the pathogenesis of DS.
    • Previous studies have indicated a link between HLA antigens and susceptibility or progression of multiple sclerosis.

    Purpose of the Study:

    • To investigate and compare HLA antigen frequencies in patients with disseminated sclerosis (DS) versus healthy controls.
    • To identify specific HLA antigen associations with different disease courses (remission, progression, benign, malignant, intermediate).
    • To explore potential sex-specific differences in HLA antigen profiles related to DS activity and progression.

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    Main Methods:

    • Comparative analysis of HLA antigen typing data between patient cohorts (remission, progredient, benign, malignant, intermediate) and healthy donors.
    • Statistical comparison of antigen frequencies across different disease states and demographic groups (sex).
    • Evaluation of HLA antigen associations with disease duration and severity (invalidization).

    Main Results:

    • Significant differences in HLA antigen frequencies were observed between DS patients and controls.
    • Specific HLA antigens (e.g., A9, B7, B13, B35, A11/B7) showed increased rates in the remission group compared to controls.
    • The progredient group exhibited elevated frequencies of other HLA antigens (e.g., B7, Bw22, B35, A2/B7, A2/B35).
    • Distinct HLA profiles were noted for remitting versus progredient disease, with A11/B7 being a key differentiator.
    • Sex-specific differences were found: women showed variations in A3 and A10, while men differed in A2 and A11.
    • Notably, the A2 antigen rate was significantly lower in men with a remitting course.
    • HLA antigen composition varied significantly among benign, malignant, and intermediate disease courses, distinguishing them from controls and each other.

    Conclusions:

    • The study confirms a strong association between specific Human Leukocyte Antigen (HLA) antigen profiles and disseminated sclerosis.
    • Distinct HLA antigen patterns correlate with disease activity (remission vs. progression) and clinical course (benign, malignant, intermediate).
    • These findings underscore the importance of HLA genetics in the immunopathogenesis of disseminated sclerosis and suggest potential prognostic value.