Cited by 693Cytokine Signaling Pathways and InteractionsT-cell and B-cell ImmunologyImmune cells in cancer

The two faces of IL-6 in the tumor microenvironment

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Fisher, Daniel T., Appenheimer, Michelle M., Evans, Sharon S.·2014·Seminars in Immunology

Abstract

Within the tumor microenvironment, IL-6 signaling is generally considered a malevolent player, assuming a dark visage that promotes tumor progression. Chronic IL-6 signaling is linked to tumorigenesis in numerous mouse models as well as in human disease. IL-6 acts intrinsically on tumor cells through numerous downstream mediators to support cancer cell proliferation, survival, and metastatic dissemination. Moreover, IL-6 can act extrinsically on other cells within the complex tumor microenvironment to sustain a pro-tumor milieu by supporting angiogenesis and tumor evasion of immune surveillance. A lesser known role for IL-6 signaling has recently emerged in which it plays a beneficial role, presenting a fairer face that opposes tumor growth by mobilizing anti-tumor T cell immune responses to attain tumor control. Accumulating evidence establishes IL-6 as a key player in the activation, proliferation and survival of lymphocytes during active immune responses. IL-6 signaling can also resculpt the T cell immune response, shifting it from a suppressive to a responsive state that can effectively act against tumors. Finally, IL-6 plays an indispensable role in boosting T cell trafficking to lymph nodes and to tumor sites, where they have the opportunity to become activated and execute their cytotoxic effector functions, respectively. Here, we discuss the dual faces of IL-6 signaling in the tumor microenvironment; the dark face that drives malignancy, and the fairer aspect that promotes anti-tumor adaptive immunity.

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Crossref · 10.1016/j.smim.2014.01.008

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Authors
Fisher, D. T., Appenheimer, M. M., & Evans, S. S.
Affiliations
Roswell Park Comprehensive Cancer Center (US)
Corresponding author
Evans, Sharon S.
Venue
Seminars in Immunology
Publisher
Elsevier BV
Published
2014-02
Volume
26
Issue
1
Pages
38-47
ISSN
1044-5323 (ISSN-L)
OpenAlex
W1994447535
Cited by
693
References
86
Citations by year
2026: 36 · 2025: 62 · 2024: 67 · 2023: 91 · 2022: 80 · 2021: 90 · 2020: 92 · 2019: 61 · 2018: 48 · 2017: 26 · 2016: 19 · 2015: 17 · 2014: 4
FWCI
2.50
Type
journal article
Language
en
Open access
Locations
  • Seminars in Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Cancer Institute (CA085183, R01CA079765, CA79765, T32CA085183)
  • National Institute of Allergy and Infectious Diseases (R56AI082039, AI082039, R01AI082039)
Topics
  • Health Sciences › Medicine › Oncology › Cytokine Signaling Pathways and Interactions
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Life Sciences › Immunology and Microbiology › Immunology › Immune cells in cancer
Keywords
interleukin-6, tumor microenvironment, IL-6 signaling, tumor progression, angiogenesis, immune evasion, antitumor T-cell responses, T cell migration, lymphocyte activation, tumor immunosuppression, metastasis, adaptive immunity
MeSH terms
Animals, Cell Movement, Cell Transformation, Neoplastic, Humans, Lymph Nodes, Neoplasms, Signal Transduction, Interleukin-6, T-Lymphocyte Subsets, Adaptive Immunity, Tumor Microenvironment, Cellular Microenvironment

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