Cited by 311Immune Response and InflammationImmune cells in cancerImmunotherapy and Immune Responses

The DOI matches its Crossref record; 27 of the 28 references it cites were found in a registry or an index.

Microbially Driven TLR5-Dependent Signaling Governs Distal Malignant Progression through Tumor-Promoting Inflammation

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Abstract

The dominant TLR5(R392X) polymorphism abrogates flagellin responses in >7% of humans. We report that TLR5-dependent commensal bacteria drive malignant progression at extramucosal locations by increasing systemic IL-6, which drives mobilization of myeloid-derived suppressor cells (MDSCs). Mechanistically, expanded granulocytic MDSCs cause γδ lymphocytes in TLR5-responsive tumors to secrete galectin-1, dampening antitumor immunity and accelerating malignant progression. In contrast, IL-17 is consistently upregulated in TLR5-unresponsive tumor-bearing mice but only accelerates malignant progression in IL-6-unresponsive tumors. Importantly, depletion of commensal bacteria abrogates TLR5-dependent differences in tumor growth. Contrasting differences in inflammatory cytokines and malignant evolution are recapitulated in TLR5-responsive/unresponsive ovarian and breast cancer patients. Therefore, inflammation, antitumor immunity, and the clinical outcome of cancer patients are influenced by a common TLR5 polymorphism.

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Metadata

Authors
Rutkowski, M. R., Stephen, T. L., Svoronos, N., Allegrezza, M. J., Tesone, A. J., Perales-Puchalt, A., Brencicova, E., Escovar-Fadul, X., Nguyen, J. M., Cadungog, M. G., Zhang, R., Salatino, M., Tchou, J., Rabinovich, G. A., & Conejo-Garcia, J. R.
Affiliations
  • The Wistar Institute (US)
  • Christiana Care Health System (US)
  • University of Pennsylvania (US)
  • Abramson Cancer Center (US)
  • Consejo Nacional de Investigaciones Científicas y Técnicas (AR)
Corresponding author
Conejo-Garcia, Jose R.
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2015-01
Volume
27
Issue
1
Pages
27-40
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2164918734
Cited by
311
References
28
Citations by year
2026: 13 · 2025: 28 · 2024: 24 · 2023: 30 · 2022: 27 · 2021: 34 · 2020: 22 · 2019: 19 · 2018: 27 · 2017: 35 · 2016: 35 · 2015: 16
FWCI
13.01
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Conicet (submittedVersion, cc-by-nc-sa)
Funders
National Cancer Institute (CA010815, R01CA157664, U54CA151662, R01CA178687, R01CA163377, R01CA124515, T32CA009171, P30CA010815)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
Keywords
TLR5, flagellin, commensal bacteria, tumor-promoting inflammation, myeloid-derived suppressor cells, granulocytic MDSCs, γδ T cells, galectin-1, interleukin-6, IL-17, antitumor immunity, malignant progression, ovarian cancer, breast cancer, microbiome
MeSH terms
Animals, Cells, Cultured, Humans, Mice, Inbred C57BL, Mice, Transgenic, Molecular Sequence Data, Neoplasm Transplantation, Neoplasms, Signal Transduction, Interleukin-6, Gene Expression Regulation, Neoplastic, Interleukin-17, Polymorphism, Single Nucleotide, Galectin 1, Cell Line, Tumor, Toll-Like Receptor 5, Mice, Microbiota

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