Cited by 1,972Immune cells in cancerPhagocytosis and Immune RegulationAtherosclerosis and Cardiovascular Diseases

Gene-expression profiles and transcriptional regulatory pathways that underlie the identity and diversity of mouse tissue macrophages

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the Immunological Genome Consortium, Gautier, Emmanuel L, Shay, Tal, Miller, Jennifer, Greter, Melanie, Jakubzick, Claudia, Ivanov, Stoyan, Helft, Julie +10 more·2012·Nature Immunology

Abstract

We assessed gene expression in tissue macrophages from various mouse organs. The diversity in gene expression among different populations of macrophages was considerable. Only a few hundred mRNA transcripts were selectively expressed by macrophages rather than dendritic cells, and many of these were not present in all macrophages. Nonetheless, well-characterized surface markers, including MerTK and FcγR1 (CD64), along with a cluster of previously unidentified transcripts, were distinctly and universally associated with mature tissue macrophages. TCEF3, C/EBP-α, Bach1 and CREG-1 were among the transcriptional regulators predicted to regulate these core macrophage-associated genes. The mRNA encoding other transcription factors, such as Gata6, was associated with single macrophage populations. We further identified how these transcripts and the proteins they encode facilitated distinguishing macrophages from dendritic cells.

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  • FFAR2-deficient mice displayed microglia reminiscent of those found in germ-free mice.

    “FFAR2-deficient mice displayed microglia reminiscent of those found in GF mice (103).”

    From The Role of Short-Chain Fatty Acids From Gut Microbiota in Gut-Brain Communication (2020) · cites this paper as [103]

    The Methods sections on mice and cell identification describe specific-pathogen-free mice and the isolation of resting brain microglia, but do not report an FFAR2-deficient or germ-free comparison (page unavailable). Searches for FFAR2-deficient mice and germ-free microglia found no passage addressing the claimed resemblance. (LLM, conf=0.76)

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  • Macrophages and dendritic cells have similar transcriptomic profiles.

    “Because macrophages and dendritic cells have similar transcriptomic profiles23–25, we repeated SingleR analysis using published RNA-seq datasets of mouse lung macrophages and dendritic cells26,27 to isolate the macrophages”
  • Microglia, but not peripheral myeloid cells, express P2ry12, Tmem119, Siglech, Gpr34, Socs3, Hexb, Olfml3, and Fcrls.

    “microglia — but not peripheral myeloid cells — were shown to express P2Y purinoceptor 12 (P2ry12), transmembrane protein 119 (Tmem119), sialic acid binding Ig-like lectin H (Siglech), probable G protein coupled receptor 34 (Gpr34), suppressor of cytokine signalling 3 (Socs3), β-hexosaminidase subunit β (Hexb), olfactomedin-like protein 3 (Olfml3) and Fc receptor-like S, scavenger receptor (Fcrls).”

    From Microglial signatures and their role in health and disease (2018) · cites this paper as [29]

  • In the healthy brain, microglia have a unique homeostatic molecular signature, comprising a distinct transcriptional profile and surface protein expression pattern, which differs from that of tissue macrophages.

    “In the healthy brain, they exhibit a unique molecular homeostatic ‘signature’, consisting of a specific transcriptional profile and surface protein expression pattern, which differs from that of tissue macrophages.”

    From Microglial signatures and their role in health and disease (2018) · cites this paper as [29]

  • Tissue microenvironmental factors trigger cascades that lead certain transcription factors to bind cooperatively with PU.1, creating a unique enhancer profile that lets microglia respond dynamically to their surroundings.

    “Tissue micro-environmental factors activate cascades resulting in co-operative binding of certain transcription factors with PU.1, leading to a unique enhancer profile enabling microglial dynamic response to its surrounding micro-environment [24, 72].”

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Authors
the Immunological Genome Consortium, Gautier, E. L., Shay, T., Miller, J., Greter, M., Jakubzick, C., Ivanov, S., Helft, J., Chow, A., Elpek, K. G., Gordonov, S., Mazloom, A. R., Ma'ayan, A., Chua, W.-J., Hansen, T. H., Turley, S. J., Merad, M., & Randolph, G. J.
Affiliations
  • Icahn School of Medicine at Mount Sinai (US)
  • Broad Institute (US)
  • Mount Sinai Hospital (US)
  • Washington University in St. Louis (US)
  • Harvard University (US)
Corresponding author
Randolph, Gwendalyn J
Venue
Nature Immunology
Published
2012-09-30
Volume
13
Issue
11
Pages
1118-1128
ISSN
  • 1529-2908 (ISSN-L)
  • 1529-2916
OpenAlex
W2136188258
Cited by
1,972
References
41
Citations by year
2026: 71 · 2025: 88 · 2024: 104 · 2023: 113 · 2022: 152 · 2021: 174 · 2020: 177 · 2019: 155 · 2018: 183 · 2017: 190 · 2016: 159 · 2015: 170 · 2014: 140 · 2013: 90 · 2012: 4
FWCI
56.29
Type
journal article
Language
en
Open access
Locations
  • Nature Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • HAL (submittedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc-sa)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Institute on Drug Abuse (T32DA007135)
  • National Cancer Institute (R01CA154947)
  • National Institute of General Medical Sciences (P50GM071558, R01GM098316)
  • National Institute of Allergy and Infectious Diseases (R01AI049653, R01AI046553, R01AI061741, R24AI072073)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK08854, P30DK020579)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
  • Life Sciences › Immunology and Microbiology › Immunology › Phagocytosis and Immune Regulation
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
Keywords
tissue macrophages, macrophage heterogeneity, gene expression profiling, macrophage identity, dendritic cells, MERTK, C/EBPα, BACH1, GATA6, mouse organs
MeSH terms
Animals, Cell Differentiation, Dendritic Cells, Gene Expression Regulation, Liver, Lung, Macrophages, Organ Specificity, RNA, Messenger, Spleen, Transcription Factors, Transcription, Genetic, Genetic Variation, Antigens, CD, Microglia, Oligonucleotide Array Sequence Analysis, Gene Expression Profiling, Mice

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