The associations between interleukin-1 polymorphisms and susceptibility to ankylosing spondylitis: A meta-analysis

Wu in Lea, Young Ho Lee

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    48 Citations (Scopus)


    Objective: The aim of this study was to determine whether polymorphisms of interleukin-1 (IL-1) confer susceptibility to ankylosing spondylitis (AS). Methods: The authors conducted meta-analyses on associations between IL-1 polymorphisms and AS susceptibility, using fixed or random effects models. In order to avoid duplications and data previously subjected to meta-analysis, we performed meta-analysis on studies if new data on IL-1 polymorphisms in AS were reported. Results: A total of nine studies consisting of 20 separate comparisons of association between IL-1 polymorphisms and AS susceptibility were included in this meta-analysis. These were performed on European, Asian, and Latin American population samples. Meta-analysis revealed a significant association between the 2 allele of the IL-1F10.3 polymorphism (rs3811581) and the risk of developing AS in Europeans (OR = 0.775, 95% CI = 0.605-0.992, P=0.043). Furthermore, the OR of the 2 allele of IL-1A+889 (rs1800587) was found to be significantly increased in Europeans with AS (OR = 1.357, 95% CI = 1.085-1.697, P=0.007). However, meta-analyses of the IL-1B-511, IL-1B+3953, and ILF7.1 polymorphisms and of the variable numbers of tandem repeats of the IL-1 receptor antagonist gene (IL-1RN VNTR) revealed no association between AS and these polymorphisms. Conclusions: In addition to the three known IL-1 polymorphisms, rs2856836, rs17561, and rs1894399, found in previous meta-analysis, this meta-analysis shows that the IL-1F10.3 and IL-1A+889 polymorphisms are associated with the development of AS in Europeans but not in Asians.

    Original languageEnglish
    Pages (from-to)370-374
    Number of pages5
    JournalJoint Bone Spine
    Issue number4
    Publication statusPublished - 2012 Jul


    • Ankylosing spondylitis
    • Interleukin-1
    • Meta-analysis
    • Polymorphism

    ASJC Scopus subject areas

    • Rheumatology


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