Cited by 1,761Immune responses and vaccinationsImmune cells in cancerEpigenetics and DNA Methylation

Epigenetic programming of monocyte-to-macrophage differentiation and trained innate immunity

Open access
Saeed, Sadia, Quintin, Jessica, Kerstens, Hindrik H. D., Rao, Nagesha A., Aghajanirefah, Ali, Matarese, Filomena, Cheng, Shih-Chin, Ratter, Jacqueline +22 more·2014·Science

Abstract

Monocyte differentiation into macrophages represents a cornerstone process for host defense. Concomitantly, immunological imprinting of either tolerance or trained immunity determines the functional fate of macrophages and susceptibility to secondary infections. We characterized the transcriptomes and epigenomes in four primary cell types: monocytes and in vitro-differentiated naïve, tolerized, and trained macrophages. Inflammatory and metabolic pathways were modulated in macrophages, including decreased inflammasome activation, and we identified pathways functionally implicated in trained immunity. β-glucan training elicits an exclusive epigenetic signature, revealing a complex network of enhancers and promoters. Analysis of transcription factor motifs in deoxyribonuclease I hypersensitive sites at cell-type-specific epigenetic loci unveiled differentiation and treatment-specific repertoires. Altogether, we provide a resource to understand the epigenetic changes that underlie innate immunity in humans.

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Crossref · 10.1126/science.1251086

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  • 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].”

    From Trained Immunity Provides Long-Term Protection against Bacterial Infections in Channel Catfish (2022) · cites this paper as [9]

    The ‘Epigenetic profiles of tolerant versus trained cells’ section reports H3K27ac gains at regulatory regions after β-glucan training, and the ‘Genome-wide epigenetic profiling’ methods identify the profiled cells as coming from human volunteers. The cited passages do not establish that the same histone H3 modifications were present at immune-relevant gene locations in mice, so the human–mouse comparison is unsupported by this source. (LLM, conf=0.87)

    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 [9]

    The epigenetic-profiles section reports that β-glucan-pretreated human monocytes gain H3K27ac at promoters and distal elements, supporting the histone-modification part of the claim. Our copy does not identify dectin-1 as the receptor mediating those changes (searched: “dectin-1 receptor” and “dectin”). (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • 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 [9]

    The Abstract Methods describes β-glucan-induced training in monocytes from healthy human volunteers, not mice. The section ‘The epigenetic profiles of tolerant versus trained cells’ reports changes in the histone-H3 mark H3K27ac in trained cells, but says these changes ‘likely underlie’ training’s long-term effects rather than establishing that they cause trained immunity in mice. The paper also profiles H3K4 methylation marks. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • PCA of human microglial and published monocyte and macrophage data indicated that these three data sets segregated and that microglia were the most distinct.

    “PCA of our human microglial and published monocyte and macrophage data 30 indicated that these three data sets segregated and that microglia were the most distinct ( Supplementary Figure 1a ).”

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Authors
Saeed, S., Quintin, J., Kerstens, H. H. D., Rao, N. A., Aghajanirefah, A., Matarese, F., Cheng, S.-C., Ratter, J., Berentsen, K., van der Ent, M. A., Sharifi, N., Janssen-Megens, E. M., Ter Huurne, M., Mandoli, A., van Schaik, T., Ng, A., Burden, F., Downes, K., Frontini, M., Kumar, V., Giamarellos-Bourboulis, E. J., Ouwehand, W. H., van der Meer, J. W. M., Joosten, L. A. B., Wijmenga, C., Martens, J. H. A., Xavier, R. J., Logie, C., Netea, M. G., & Stunnenberg, H. G.
Affiliations
  • Radboud University Nijmegen (NL)
  • Radboud University Medical Center (NL)
  • Department of Molecular Biology, Faculties of Science and Medicine, Radboud Institute for Molecular Life Sciences, Radboud University, 6500 HB Nijmegen, Netherlands.
  • Broad Institute (US)
  • National Health Service (GB)
  • University Medical Center Groningen (NL)
  • Fourth Department of Internal Medicine, University of Athens, Medical School, 1 Rimini Street, 12462 Athens, Greece.
  • Department of Internal Medicine, Radboud University Medical Center, 6525 GA Nijmegen, Netherlands.
Corresponding author
  • Saeed, Sadia
  • Quintin, Jessica
  • Kerstens, Hindrik H. D.
  • Rao, Nagesha A.
  • Aghajanirefah, Ali
  • Logie, Colin
  • Netea, Mihai G.
  • Stunnenberg, Hendrik G.
Venue
Science
Published
2014-09-26
Volume
345
Issue
6204
Pages
1251086-1251086
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2140876277
Cited by
1,761
References
70
Citations by year
2026: 197 · 2025: 162 · 2024: 143 · 2023: 150 · 2022: 174 · 2021: 184 · 2020: 168 · 2019: 134 · 2018: 129 · 2017: 114 · 2016: 120 · 2015: 76 · 2014: 9 · 2013: 1
FWCI
48.54
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • HAL (submittedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
Funders
  • National Institute for Health and Care Research (NF-SI-0510-10214, RP-PG-0310-1002, NF-SI-0513-10151)
  • British Heart Foundation (RG/09/012/28096)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK043351)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune responses and vaccinations
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
monocyte-to-macrophage differentiation, trained immunity, immunological imprinting, epigenetic programming, macrophage transcriptome, inflammasome activation, transcription factor binding motifs, innate immunity
MeSH terms
Animals, Binding Sites, Cell Differentiation, Deoxyribonuclease I, Humans, Immunity, Innate, Immunologic Memory, Macrophages, Monocytes, Transcription Factors, Genomic Imprinting, Epigenesis, Genetic, beta-Glucans, Mice, Inflammasomes

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