Cited by 498Single-cell and spatial transcriptomicsImmune cells in cancerCancer Immunotherapy and Biomarkers

Coupled scRNA-Seq and Intracellular Protein Activity Reveal an Immunosuppressive Role of TREM2 in Cancer

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Katzenelenbogen, Yonatan, Sheban, Fadi, Yalin, Adam, Yofe, Ido, Svetlichnyy, Dmitry, Jaitin, Diego Adhemar, Bornstein, Chamutal, Moshe, Adi +8 more·2020·Cell

Abstract

Cell function and activity are regulated through integration of signaling, epigenetic, transcriptional, and metabolic pathways. Here, we introduce INs-seq, an integrated technology for massively parallel recording of single-cell RNA sequencing (scRNA-seq) and intracellular protein activity. We demonstrate the broad utility of INs-seq for discovering new immune subsets by profiling different intracellular signatures of immune signaling, transcription factor combinations, and metabolic activity. Comprehensive mapping of Arginase 1-expressing cells within tumor models, a metabolic immune signature of suppressive activity, discovers novel Arg1+ Trem2+ regulatory myeloid (Mreg) cells and identifies markers, metabolic activity, and pathways associated with these cells. Genetic ablation of Trem2 in mice inhibits accumulation of intra-tumoral Mreg cells, leading to a marked decrease in dysfunctional CD8+ T cells and reduced tumor growth. This study establishes INs-seq as a broadly applicable technology for elucidating integrated transcriptional and intra-cellular maps and identifies the molecular signature of myeloid suppressive cells in tumors.

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Crossref · 10.1016/j.cell.2020.06.032

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Authors
Katzenelenbogen, Y., Sheban, F., Yalin, A., Yofe, I., Svetlichnyy, D., Jaitin, D. A., Bornstein, C., Moshe, A., Keren-Shaul, H., Cohen, M., Wang, S.-Y., Li, B., David, E., Salame, T.-M., Weiner, A., & Amit, I.
Affiliations
Weizmann Institute of Science (IL)
Corresponding author
  • Weiner, Assaf
  • Amit, Ido
Venue
Cell
Publisher
Elsevier BV
Published
2020-08
Volume
182
Issue
4
Pages
872-885.e19
ISSN
0092-8674 (ISSN-L)
OpenAlex
W3048711673
Cited by
498
References
63
Citations by year
2026: 58 · 2025: 82 · 2024: 82 · 2023: 100 · 2022: 100 · 2021: 61 · 2020: 14
FWCI
22.28
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
Funders
European Commission
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
  • Health Sciences › Medicine › Oncology › Cancer Immunotherapy and Biomarkers
Keywords
TREM2, arginase-1, tumor immunosuppression, single-cell transcriptomics, CD8+ T cell dysfunction, tumor microenvironment
MeSH terms
Animals, Arginase, Dendritic Cells, Female, Gene Expression Regulation, Humans, Leukocytes, Mononuclear, Lipopolysaccharides, Membrane Glycoproteins, Mice, Inbred C57BL, Neoplasms, Receptors, Immunologic, Transcription Factors, Tumor Necrosis Factor-alpha, Sequence Analysis, RNA, CD8-Positive T-Lymphocytes, RNA, Small Cytoplasmic, p38 Mitogen-Activated Protein Kinases, Mice, Single-Cell Analysis, Tumor Microenvironment

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