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Long-Lasting Effects of BCG Vaccination on Both Heterologous Th1/Th17 Responses and Innate Trained Immunity

Open access
Kleinnijenhuis, Johanneke, Quintin, Jessica, Preijers, Frank, Benn, Christine Stabell, Joosten, Leo A.B., Jacobs, Cor, van Loenhout, Joke, Xavier, Ramnik J., Aaby, Peter, van der Meer, Jos W.M., van Crevel, Reinout, Netea, Mihai G.·2014·Journal of Innate Immunity

Abstract

We have recently shown that BCG (Bacillus Calmette-Guérin) vaccination in healthy volunteers induces epigenetic reprogramming of monocytes, leading to increased cytokine production in response to nonrelated pathogens for up to 3 months after vaccination. This phenomenon was named ‘trained immunity'. In the present study we assessed whether BCG was able to induce long-lasting effects on both trained immunity and heterologous T helper 1 (Th1) and Th17 immune responses 1 year after vaccination. The production of TNFα and IL-1β to mycobacteria or unrelated pathogens was higher after 2 weeks and 3 months postvaccination, but these effects were less pronounced 1 year after vaccination. However, monocytes recovered 1 year after vaccination had an increased expression of pattern recognition receptors such as CD14, Toll-like receptor 4 (TLR4) and mannose receptor, and this correlated with an increase in proinflammatory cytokine production after stimulation with the TLR4 ligand lipopolysaccharide. The heterologous production of Th1 (IFN-γ) and Th17 (IL-17 and IL-22) immune responses to nonmycobacterial stimulation remained strongly elevated even 1 year after BCG vaccination. In conclusion, BCG induces sustained changes in the immune system associated with a nonspecific response to infections both at the level of innate trained immunity and at the level of heterologous Th1/Th17 responses.

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Metadata

Authors
Kleinnijenhuis, J., Quintin, J., Preijers, F., Benn, C. S., Joosten, L. A. B., Jacobs, C., van Loenhout, J., Xavier, R. J., Aaby, P., van der Meer, J. W. M., van Crevel, R., & Netea, M. G.
Venue
Journal of Innate Immunity
Publisher
S. Karger AG
Published
2013-10-30
Volume
6
Issue
2
Pages
152-158
ISSN
  • 1662-811X (ISSN-L)
  • 1662-8128
OpenAlex
W2144072179
Cited by
620
References
36
FWCI
7.08
Type
journal article
Language
en
Open access
bronze

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The paper
Kleinnijenhuis, J., Quintin, J., Preijers, F., Benn, C. S., Joosten, L. A. B., Jacobs, C., van Loenhout, J., Xavier, R. J., Aaby, P., van der Meer, J. W. M., van Crevel, R., & Netea, M. G. (2014). Long-Lasting Effects of BCG Vaccination on Both Heterologous Th1/Th17 Responses and Innate Trained Immunity. Journal of Innate Immunity. https://doi.org/10.1159/000355628

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.