Impact of genetic variants in IL-4, IL-4 RA and IL-13 on the anti-pneumococcal antibody response

Selma Wiertsema, G.S. Baynam, Siew-Kim Khoo, R.H. Veenhoven, N. Van Heerbeek, G. Zhang, Ingrid Laing, G.T. Rijkers, Jack Goldblatt, E.A.M. Sanders, Peter Le Souef

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    Abstract

    Background: Significant differences in immune responses upon vaccination have been described, suggesting genetics are important in determining the magnitude of vaccine responses. The interleukin (IL)-4 pathway, including IL-4, IL-13 and the IL-4 receptor a chain (IL-4 Ra), is central to humoral responses and therefore could have an impact on vaccine responsiveness.Objective: To investigate whether single nucleotide polymorphisms (SNPs) in the IL-4, IL-13 and IL-4 RA genes influence pneumococcal serotype-specific IgG antibody responses.Methods: SNPs in the IL-4 gene (C-589T, G2979T), the IL-13 gene (G-1112A, Arg130GIn) and in the IL-4 RA gene (Ile50Val, Gln551 Arg) were investigated in isolation and in combination, for their influence on serotype-specific IgG antibody responses upon combined pneumococcal conjugate and polysaccharide vaccinations in children with a history of recurrent otitis media.Results: Lower antibody responses were observed for alleles previously associated with atopy, IL-4-589T, IL-42979T and IL-4Ru55lGln. Effects were stronger in gene haplotype combinations or in multiple haplotype combination analyses.Conclusion: This study highlights the importance of host genetic factors in vaccine responses. Furthermore, it supports the approach of studying the effect of combinations of multiple alleles, in haplotypes or in combinations of haplotypes, on complex phenotypes within a biological pathway. (c) 2006 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)306-313
    JournalVaccine
    Volume25
    Issue number2
    DOIs
    Publication statusPublished - 2007

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