A Comprehensive View on the Human Antibody Repertoire Against Staphylococcus aureus Antigens in the General Population

Author:

Meyer Tanja C.,Michalik Stephan,Holtfreter Silva,Weiss Stefan,Friedrich Nele,Völzke Henry,Kocher Thomas,Kohler Christian,Schmidt Frank,Bröker Barbara M.,Völker Uwe

Abstract

Our goal was to provide a comprehensive overview of the antibody response to Staphylococcus aureus antigens in the general population as a basis for defining disease-specific profiles and diagnostic signatures. We tested the specific IgG and IgA responses to 79 staphylococcal antigens in 996 individuals from the population-based Study of Health in Pomerania. Using a dilution-based multiplex suspension array, we extended the dynamic range of specific antibody detection to seven orders of magnitude, allowing the precise quantification of high and low abundant antibody specificities in the same sample. The observed IgG and IgA antibody responses were highly heterogeneous with differences between individuals as well as between bacterial antigens that spanned several orders of magnitude. Some antigens elicited significantly more IgG than IgA and vice versa. We confirmed a strong influence of colonization on the antibody response and quantified the influence of sex, smoking, age, body mass index, and serum glucose on anti-staphylococcal IgG and IgA. However, all host parameters tested explain only a small part of the extensive variability in individual response to the different antigens of S. aureus.

Funder

Deutsche Forschungsgemeinschaft

European Social Fund

Publisher

Frontiers Media SA

Subject

Immunology,Immunology and Allergy

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