Cited by 1,289Immune responses and vaccinationsImmune Response and InflammationAntifungal resistance and susceptibility

Candida albicans Infection Affords Protection against Reinfection via Functional Reprogramming of Monocytes

Open access
Quintin, Jessica, Saeed, Sadia, Martens, Joost H.A., Giamarellos-Bourboulis, Evangelos J., Ifrim, Daniela C., Logie, Colin, Jacobs, Liesbeth, Jansen, Trees +7 more·2012·Cell Host & Microbe

Abstract

Immunological memory in vertebrates is often exclusively attributed to T and B cell function. Recently it was proposed that the enhanced and sustained innate immune responses following initial infectious exposure may also afford protection against reinfection. Testing this concept of "trained immunity," we show that mice lacking functional T and B lymphocytes are protected against reinfection with Candida albicans in a monocyte-dependent manner. C. albicans and fungal cell wall β-glucans induced functional reprogramming of monocytes, leading to enhanced cytokine production in vivo and in vitro. The training required the β-glucan receptor dectin-1 and the noncanonical Raf-1 pathway. Monocyte training by β-glucans was associated with stable changes in histone trimethylation at H3K4, which suggests the involvement of epigenetic mechanisms in this phenomenon. The functional reprogramming of monocytes, reminiscent of similar NK cell properties, supports the concept of "trained immunity" and may be employed for the design of improved vaccination strategies.

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Crossref · 10.1016/j.chom.2012.06.006

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  • Trained immunity in mice results from epigenetic reprogramming of monocytes and macrophages through acetylation or methylation of specific lysines in histone-H3.

    “Trained immunity in mice results from epigenetic reprogramming of monocytes and macrophages through acetylation or methylation of specific lysines in the histone-H3 [8,9].”

    From Trained Immunity Provides Long-Term Protection against Bacterial Infections in Channel Catfish (2022) · cites this paper as [8]

    The Results (Molecular Regulation of Trained Monocytes) report increased histone-H3 lysine-4 trimethylation (H3K4me3) in macrophages from trained mice, and the Discussion links H3K4me3 changes to monocyte training. The paper does not establish that epigenetic reprogramming causes trained immunity in mice; it describes the changes as associated with training and does not report histone-H3 acetylation as a mechanism. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Beta glucan exposure can induce these histone modifications in mammals via the dectin-1 receptor.

    “Beta glucan exposure can induce these modifications in mammals, via the dectin-1 receptor [7,8,9].”

    From Trained Immunity Provides Long-Term Protection against Bacterial Infections in Channel Catfish (2022) · cites this paper as [8]

    In Results, “Molecular Regulation of Trained Monocytes” (page not provided), β-glucan treatment increased H3K4me3 in human monocytes, while H3K27me3 changed little. The Results section on the dectin-1/Raf-1 pathway shows that dectin-1 is needed for effective β-glucan training, but does not directly show that the histone changes occur through that receptor; the mouse histone experiment used C. albicans rather than β-glucan exposure. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • The same modifications of histone 3 were present in immune relevant gene locations in myeloid cells of humans and mice after induction of trained immunity.

    “The same modifications of histone 3 were present in immune relevant gene locations in myeloid cells of humans and mice after induction of trained immunity [8,9,40].”

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Authors
Quintin, J., Saeed, S., Martens, J. H. A., Giamarellos-Bourboulis, E. J., Ifrim, D. C., Logie, C., Jacobs, L., Jansen, T., Kullberg, B.-J., Wijmenga, C., Joosten, L. A. B., Xavier, R. J., van der Meer, J. W. M., Stunnenberg, H. G., & Netea, M. G.
Affiliations
  • Radboud University Nijmegen (NL)
  • University Medical Center Groningen (NL)
  • Broad Institute (US)
Corresponding author
Netea, Mihai G.
Venue
Cell Host & Microbe
Publisher
Elsevier BV
Published
2012-08
Volume
12
Issue
2
Pages
223-232
ISSN
1931-3128 (ISSN-L)
OpenAlex
W2128337342
Cited by
1,289
References
41
Citations by year
2026: 111 · 2025: 130 · 2024: 124 · 2023: 97 · 2022: 144 · 2021: 130 · 2020: 135 · 2019: 94 · 2018: 96 · 2017: 66 · 2016: 67 · 2015: 35 · 2014: 39 · 2013: 17 · 2012: 4
FWCI
13.24
Type
journal article
Language
en
Open access
Locations
  • Cell Host & Microbe (publishedVersion)
  • PubMed (publishedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
  • HAL (submittedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion)
Funders
  • Leona M. and Harry B. Helmsley Charitable Trust
  • Nederlandse Organisatie voor Wetenschappelijk Onderzoek (EU-FP7)
  • Higher Education Commision, Pakistan
  • National Institutes of Health (DK 043351)
  • National Institute of Allergy and Infectious Diseases (AI 062773, R01AI062773)
  • National Institute of Diabetes and Digestive and Kidney Diseases ((DK043351, R01DK083756, DK 83756, P30DK043351)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune responses and vaccinations
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
Keywords
trained immunity, Candida albicans, reinfection, monocyte reprogramming, β-glucan, Dectin-1, H3K4 trimethylation, epigenetic memory, cytokine production, antifungal immunity, vaccination strategies
MeSH terms
Dectin-1, Animals, Candida albicans, Candidiasis, Cells, Cultured, Female, Humans, Mice, Inbred C57BL, Monocytes, Cytokines, Proto-Oncogene Proteins c-raf, Lectins, C-Type, Mice

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