Cited by 440Immune Response and InflammationInflammation biomarkers and pathwaysPhagocytosis and Immune Regulation

The DOI matches its Crossref record; 19 of the 19 references it cites were found in a registry or an index.

Cutting Edge: Inhibition of TLR and FcR Responses in Macrophages by Triggering Receptor Expressed on Myeloid Cells (TREM)-2 and DAP12

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Abstract

DAP12 is an ITAM-containing adapter that associates with receptors in myeloid and NK cells. DAP12-associated receptors can give activation signals leading to cytokine production; however, in some situations, DAP12 inhibits cytokine production stimulated through TLRs and FcRs. Here we show that Triggering Receptor Expressed on Myeloid cells (TREM)-2 is responsible for the DAP12-mediated inhibition in mouse macrophages. A chimeric receptor composed of the extracellular domain of TREM-2 and the cytoplasmic domain of DAP12 inhibited the TLR- and FcR-induced TNF production of DAP12-deficient macrophages, whereas a TREM-1 chimera did not. In wild-type macrophages, TREM-2 knockdown increased TLR-induced TNF production. A TREM-2 Fc fusion protein bound to macrophages, indicating that macrophages express a TREM-2 ligand. Thus, the interaction of TREM-2 and its ligand results in an inhibitory signal that can reduce the inflammatory response.

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Crossref · 10.4049/jimmunol.177.4.2051

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Metadata

Authors
Hamerman, J. A., Jarjoura, J. R., Humphrey, M. B., Nakamura, M. C., Seaman, W. E., & Lanier, L. L.
Affiliations
  • University of California, San Francisco (US)
  • San Francisco VA Medical Center (US)
Venue
The Journal of Immunology
Published
2006-08
Volume
177
Issue
4
Pages
2051-2055
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W2133084626
Cited by
440
References
19
Citations by year
2026: 13 · 2025: 21 · 2024: 28 · 2023: 15 · 2022: 37 · 2021: 19 · 2020: 17 · 2019: 21 · 2018: 25 · 2017: 25 · 2016: 18 · 2015: 27 · 2014: 28 · 2013: 19 · 2012: 13
FWCI
10.85
Type
journal article
Language
en
Open access
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Department of Veterans Affairs (I01 BX000615)
  • National Institutes of Health
  • National Cancer Institute (R01CA087922, CA 87922)
  • National Institute of Allergy and Infectious Diseases (AI-068129, R01AI068129)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (R01AR050038, AR 050038)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Immunology and Microbiology › Immunology › Inflammation biomarkers and pathways
  • Life Sciences › Immunology and Microbiology › Immunology › Phagocytosis and Immune Regulation
Keywords
TREM2, DAP12, macrophages, Toll-like receptor signaling, Fc receptor signaling, TNF production, inhibitory signaling, TREM-1, chimeric receptors, cytokine production, inflammation regulation
MeSH terms
Animals, Cells, Cultured, Ligands, Macrophages, Membrane Glycoproteins, Mice, Inbred C57BL, Receptors, Fc, Receptors, Immunologic, Tumor Necrosis Factor-alpha, Mice, Knockout, Inflammation Mediators, Adaptor Proteins, Signal Transducing, Toll-Like Receptors, Mice

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