Cited by 1,377Adipokines, Inflammation, and Metabolic DiseasesAdipose Tissue and MetabolismImmune cells in cancer

The DOI matches its Crossref record; 60 of the 61 references it cites were found in a registry or an index.

Lipid-Associated Macrophages Control Metabolic Homeostasis in a Trem2-Dependent Manner

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Abstract

Immune cells residing in white adipose tissue have been highlighted as important factors contributing to the pathogenesis of metabolic diseases, but the molecular regulators that drive adipose tissue immune cell remodeling during obesity remain largely unknown. Using index and transcriptional single-cell sorting, we comprehensively map all adipose tissue immune populations in both mice and humans during obesity. We describe a novel and conserved Trem2+ lipid-associated macrophage (LAM) subset and identify markers, spatial localization, origin, and functional pathways associated with these cells. Genetic ablation of Trem2 in mice globally inhibits the downstream molecular LAM program, leading to adipocyte hypertrophy as well as systemic hypercholesterolemia, body fat accumulation, and glucose intolerance. These findings identify Trem2 signaling as a major pathway by which macrophages respond to loss of tissue-level lipid homeostasis, highlighting Trem2 as a key sensor of metabolic pathologies across multiple tissues and a potential therapeutic target in metabolic diseases.

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Crossref · 10.1016/j.cell.2019.05.054

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Metadata

Authors
Jaitin, D. A., Adlung, L., Thaiss, C. A., Weiner, A., Li, B., Descamps, H., Lundgren, P., Bleriot, C., Liu, Z., Deczkowska, A., Keren-Shaul, H., David, E., Zmora, N., Eldar, S. M., Lubezky, N., Shibolet, O., Hill, D. A., Lazar, M. A., Colonna, M., Ginhoux, F., Shapiro, H., Elinav, E., & Amit, I.
Affiliations
  • Weizmann Institute of Science (IL)
  • University of Pennsylvania (US)
  • Shanghai Jiao Tong University (CN)
  • Tel Aviv University (IL)
  • Tel Aviv Sourasky Medical Center (IL)
  • Children's Hospital of Philadelphia (US)
  • Washington University in St. Louis (US)
  • Agency for Science, Technology and Research (SG)
Corresponding author
  • Elinav, Eran
  • Amit, Ido
Venue
Cell
Publisher
Elsevier BV
Published
2019-07
Volume
178
Issue
3
Pages
686-698.e14
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2955261360
Cited by
1,377
References
61
Citations by year
2026: 243 · 2025: 244 · 2024: 229 · 2023: 218 · 2022: 170 · 2021: 152 · 2020: 97 · 2019: 20
FWCI
83.54
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Chan Zuckerberg Initiative
  • HHMI
  • European Research Council (724471-HemTree2.0)
  • Thompson Family Foundation
  • MRA (509044)
  • Foundation (703/15)
  • Ernest and Bonnie Beutler Research Program for Excellence in Genomic Medicine
  • Helen and Martin Kimmel
  • NeuroMac DFG/Transregional Collaborative Research Center
  • International Progressive MS Alliance
  • NMSS (PA-1604-08459)
  • Adelis Foundation
  • Wolfson Foundation
  • NIH (DK116668, DK49780)
  • CHOP
  • The Center for Applied Genomics
  • Children's Hospital of Philadelphia
  • Human Metabolic Tissue Bank
  • Penn Diabetes Research Center (P30 NIH DK19525, P30-DK-019525)
  • Edward Mallinckrodt, Jr. Foundation
  • Agilent
  • Global Probiotics Council
  • PennCHOP Microbiome Program
  • Penn Institute for Immunology
  • Penn Center for Molecular Studies in Digestive and Liver Diseases (P30-DK-050306)
  • Penn Skin Biology and Diseases Resource-based Center (P30-AR-069589)
  • Gilead Sciences International Research Scholars Program in Liver Disease
  • The V.R. Schwartz Research Fellow Chair
  • Y. and R. Ungar
  • Leona M. and Harry B. Helmsley Charitable Trust
  • J.L. and V. Schwartz
  • D.L. Schwarz
  • Israel Science Foundation
  • Helmholtz Foundation
  • Bill and Melinda Gates Foundation
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Physiology (medical) › Adipose Tissue and Metabolism
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
Keywords
TREM2, lipid-associated macrophages, white adipose tissue, obesity, adipose tissue macrophages, metabolic homeostasis, adipocyte hypertrophy, hypercholesterolemia, impaired glucose tolerance, single-cell transcriptomics, macrophage origin, metabolic disorders
MeSH terms
Animals, Humans, Lipids, Macrophages, Membrane Glycoproteins, Mice, Inbred C57BL, Monocytes, Obesity, Receptors, Immunologic, Signal Transduction, Glucose Intolerance, Mice, Knockout, Intra-Abdominal Fat, Lipid Metabolism, Mice, Adipose Tissue, White, Single-Cell Analysis, Diet, High-Fat

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