Fc gamma receptor 3B (FCGR3B-c.233C>A-rs5030738) polymorphism modifies the protective effect of malaria specific antibodies in Ghanaian children

Bright Adu, Micha Phill Grønholm Jepsen, Thomas A Gerds, Eric Kyei-Baafour, Michael Christiansen, Daniel Dodoo, Michael Theisen

    25 Citationer (Scopus)

    Abstract

    Immunoglobulin G (IgG) cross-linking with Fc gamma receptor IIIB (FcγRIIIB) triggers neutrophil degranulation, releasing reactive oxygen species with high levels associated with protection against malaria. The FCGR3B-c.233C>A polymorphism thought to influence the interaction between IgG and FcγRIIIB was recently associated with malaria. We studied the statistical interaction between glutamate rich protein antibodies and FCGR3B-c.233C>A genotypes on risk of malaria in a cohort of Ghanaian children. The absolute risk of malaria decreased more rapidly with increasing antibody levels for 233AA/AC individuals compared with 233CC children. This genotype related effect modification may significantly influence malaria sero-epidemiological and vaccine trial studies.

    OriginalsprogEngelsk
    TidsskriftThe Journal of infectious diseases
    Vol/bind209
    Udgave nummer2
    Sider (fra-til)285-9
    Antal sider5
    ISSN0022-1899
    DOI
    StatusUdgivet - 15 jan. 2014

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