The role of Toll-like receptor 10 in modulation of trained immunity

Vera P. Mourits, Rob J. W. Arts, Boris Novakovic, Vasiliki Matzaraki, L. Charlotte J. de Bree, Valerie A. C. M. Koeken, Simone J. C. F. M. Moorlag, Jelmer H. van Puffelen, Laszlo Groh, Charlotte D. C. C. van der Heijden, Sam T. Keating, Mihai G. Netea, Marije Oosting, Leo A. B. Joosten*

*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

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    Abstract

    Toll-like receptor 10 (TLR10) is the only member of the human Toll-like receptor family with an inhibitory function on the induction of innate immune responses and inflammation. However, its role in the modulation of trained immunity (innate immune memory) is unknown. In the present study, we assessed whether TLR10 modulates the induction of trained immunity induced by beta-glucan or bacillus Calmette-Guerin (BCG). Interleukin 10 receptor antagonist production was increased upon activation of TLR10 ex vivo after BCG vaccination, and TLR10 protein expression on monocytes was increased after BCG vaccination, whereas anti-TLR10 antibodies did not significantly modulate beta-glucan or BCG-induced trained immunity in vitro. A known immunomodulatory TLR10 missense single-nucleotide polymorphism (rs11096957) influenced trained immunity responses by beta-glucan or BCG in vitro. However, the in vivo induction of trained immunity by BCG vaccination was not influenced by TLR10 polymorphisms. In conclusion, TLR10 has a limited, non-essential impact on the induction of trained immunity in humans.

    Original languageEnglish
    Pages (from-to)289-297
    Number of pages9
    JournalImmunology
    Volume159
    Issue number3
    DOIs
    Publication statusPublished - 30-Oct-2019

    Keywords

    • innate immunity
    • Toll-like receptor 10
    • trained immunity
    • GENETIC-VARIATION
    • CROHNS-DISEASE
    • TLR10
    • SUSCEPTIBILITY
    • INDUCTION
    • INFECTION
    • CELLS

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