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Related Experiment Videos

HLA antigens in uveitis.

D Wakefield, J Wright, R Penny

    Human Immunology
    |June 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Human Leukocyte Antigen (HLA) B27 is linked to anterior uveitis (AU), particularly in Australian males with recurrent attacks. No HLA associations were found in posterior uveitis (PU).

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    Area of Science:

    • Immunogenetics
    • Ophthalmology
    • Rheumatology

    Background:

    • Human Leukocyte Antigen (HLA) antigens are implicated in inflammatory eye diseases.
    • HLA B27 is notably associated with anterior uveitis (AU), with variations across populations.
    • Understanding these associations is crucial for disease management and genetic counseling.

    Purpose of the Study:

    • To investigate the association between uveitis and HLA A, B, and DR locus antigens in an Australian cohort.
    • To explore potential differences in HLA associations between sexes and disease recurrence.
    • To examine HLA associations in posterior uveitis (PU).

    Main Methods:

    • A cohort of 72 consecutive uveitis patients (37 males, 35 females) was studied over six months.
    • HLA typing was performed for HLA A, B, and DR loci.

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  • Patient data included disease type (AU or PU), sex, and history of recurrent attacks. Etiology and radiological evidence of sacroiliitis were also assessed.

    • Main Results:

    • 32% of anterior uveitis patients were HLA B27 positive.
    • Higher prevalence of HLA B27 was observed in males with recurrent AU (60%) compared to first-attack AU (42%).
    • No significant HLA associations were found for posterior uveitis patients. Rheumatic diseases and sacroiliitis were more common in males.

    Conclusions:

    • HLA B27 positivity is associated with anterior uveitis in Australians, especially males with recurrent disease.
    • The study found no significant HLA associations with posterior uveitis.
    • Further research into the genetic and etiological factors of uveitis is warranted.