Cited by 391Chemokine receptors and signalingImmune cells in cancerInflammatory mediators and NSAID effects

Inhibition of CXCR2 profoundly suppresses inflammation-driven and spontaneous tumorigenesis

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Jamieson, Thomas, Clarke, Mairi, Steele, Colin W., Samuel, Michael S., Neumann, Jens, Jung, Andreas, Huels, David, Olson, Michael F. +3 more·2012·Journal of Clinical Investigation

Abstract

The chemokine receptor CXCR2 is a key mediator of neutrophil migration that also plays a role in tumor development. However, CXCR2 influences tumors through multiple mechanisms and might promote or inhibit tumor development depending on context. Here, we used several mouse models of spontaneous and inflammation-driven neoplasia to define indispensable roles for CXCR2 in benign and malignant tumors. CXCR2-activating chemokines were part of the secretome of cultured primary benign intestinal adenomas (ApcMin/+) and highly expressed by all tumors in all models. CXCR2 deficiency profoundly suppressed inflammation-driven tumorigenesis in skin and intestine as well as spontaneous adenocarcinoma formation in a model of invasive intestinal adenocarcinoma (AhCreER;Apcfl/+;Ptenfl/fl mice). Pepducin-mediated CXCR2 inhibition reduced tumorigenesis in ApcMin/+ mice. Ly6G+ neutrophils were the dominant source of CXCR2 in blood, and CXCR2 deficiency attenuated neutrophil recruitment. Moreover, systemic Ly6G+ cell depletion purged CXCR2-dependent tumor-associated leukocytes, suppressed established skin tumor growth and colitis-associated tumorigenesis, and reduced ApcMin/+ adenoma formation. CXCR2 is thus a potent protumorigenic chemokine receptor that directs recruitment of tumor-promoting leukocytes into tissues during tumor-inducing and tumor-driven inflammation. Similar leukocyte populations were also found in human intestinal adenomas, which suggests that CXCR2 antagonists may have therapeutic and prophylactic potential in the treatment of cancer.

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Crossref · 10.1172/jci61067

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  • Data from various mouse models indicate that disrupting the CXCR1/2-MDSC axis is therapeutically efficacious across a wide variety of solid cancers.

    “Notably, data from various mouse models indicate that disrupting the CXCR1/2–MDSC axis in tumours is therapeutically efficacious across a wide variety of solid cancers166–172.”

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Authors
Jamieson, T., Clarke, M., Steele, C. W., Samuel, M. S., Neumann, J., Jung, A., Huels, D., Olson, M. F., Das, S., Nibbs, R. J. B., & Sansom, O. J.
Affiliations
  • Cancer Research UK Scotland Institute (GB)
  • University of Glasgow (GB)
  • Pathologisches Institut (DE)
Venue
Journal of Clinical Investigation
Published
2012-09-04
Volume
122
Issue
9
Pages
3127-3144
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2042355069
Cited by
391
References
6
Citations by year
2026: 12 · 2025: 32 · 2024: 27 · 2023: 22 · 2022: 33 · 2021: 31 · 2020: 32 · 2019: 25 · 2018: 32 · 2017: 28 · 2016: 26 · 2015: 33 · 2014: 29 · 2013: 26 · 2012: 3
FWCI
14.38
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Adelaide Research & Scholarship (AR&S) (University of Adelaide) (submittedVersion)
  • UniSA Research Outputs Repository (University of South Australia) (submittedVersion)
Funders
  • Wellcome Trust
  • Cancer Research UK (12481)
  • Medical Research Council
Topics
  • Health Sciences › Medicine › Oncology › Chemokine receptors and signaling
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
  • Health Sciences › Medicine › Pharmacology › Inflammatory mediators and NSAID effects
Keywords
CXCR2, chemokine receptors, inflammation-driven tumorigenesis, spontaneous tumor development, neutrophil recruitment, intestinal adenoma, colitis-associated colorectal cancer, skin cancer, pepducins, ApcMin/+ mice, CXCR2 antagonist, chemokines
MeSH terms
Adenocarcinoma, Adenoma, Animals, Azoxymethane, Cell Transformation, Neoplastic, Colitis, Colonic Neoplasms, Dermatitis, Contact, Mice, Inbred BALB C, Mice, Inbred C57BL, Peroxidase, Neutrophils, Papilloma, Precancerous Conditions, Skin Neoplasms, Tetradecanoylphorbol Acetate, 9,10-Dimethyl-1,2-benzanthracene, Gene Expression, Dextran Sulfate, Animals, Inbred Strains, Mice, Knockout, Statistics, Nonparametric, Chemokines, CXC, Receptors, Interleukin-8B, Tumor Burden, Mice, Mice, 129 Strain

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