Genetic association studies of several candidate cytokine genes have been motivated by evidence of immune dysfunction among patients with schizophrenia. Intriguing but inconsistent associations have been reported with polymorphisms of three positional candidate genes, namely IL1β, IL1RN, and IL10. We used comprehensive sequencing data from the Seattle SNPs database to select tag SNPs that represent all common polymorphisms in the Caucasian population at these loci. Associations with 28 tag SNPs were evaluated in 478 cases and 501 unscreened control individuals, while accounting for population sub-structure using the genomic control method. The samples were also stratified by gender, diagnostic category, and exposure to infectious agents. Significant association was not detected after correcting for multiple comparisons. However, meta-analysis of our data combined with previously published association studies of rs16944 (IL1β - 511) suggests that the C allele confers modest risk for schizophrenia among individuals reporting Caucasian ancestry, but not Asians (Caucasians, n = 819 cases, 1292 controls; p = 0.0013, OR = 1.24, 95% CI 1.09, 1.41). © 2006 Elsevier B.V. All rights reserved.
CITATION STYLE
Shirts, B. H., Wood, J., Yolken, R. H., & Nimgaonkar, V. L. (2006). Association study of IL10, IL1β, and IL1RN and schizophrenia using tag SNPs from a comprehensive database: Suggestive association with rs16944 at IL1β. Schizophrenia Research, 88(1–3), 235–244. https://doi.org/10.1016/j.schres.2006.06.037
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