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Citations to this article

Tumors induce a subset of inflammatory monocytes with immunosuppressive activity on CD8+ T cells
Giovanna Gallina, … , Silvio Bicciato, Vincenzo Bronte
Giovanna Gallina, … , Silvio Bicciato, Vincenzo Bronte
Published October 2, 2006
Citation Information: J Clin Invest. 2006;116(10):2777-2790. https://doi.org/10.1172/JCI28828.
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Research Article Oncology Article has an altmetric score of 6

Tumors induce a subset of inflammatory monocytes with immunosuppressive activity on CD8+ T cells

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Abstract

Active suppression of tumor-specific T lymphocytes can limit the efficacy of immune surveillance and immunotherapy. While tumor-recruited CD11b+ myeloid cells are known mediators of tumor-associated immune dysfunction, the true nature of these suppressive cells and the fine biochemical pathways governing their immunosuppressive activity remain elusive. Here we describe a population of circulating CD11b+IL-4 receptor α+ (CD11b+IL-4Rα+), inflammatory-type monocytes that is elicited by growing tumors and activated by IFN-γ released from T lymphocytes. CD11b+IL-4Rα+ cells produced IL-13 and IFN-γ and integrated the downstream signals of these cytokines to trigger the molecular pathways suppressing antigen-activated CD8+ T lymphocytes. Analogous immunosuppressive circuits were active in CD11b+ cells present within the tumor microenvironment. These suppressor cells challenge the current idea that tumor-conditioned immunosuppressive monocytes/macrophages are alternatively activated. Moreover, our data show how the inflammatory response elicited by tumors had detrimental effects on the adaptive immune system and suggest novel approaches for the treatment of tumor-induced immune dysfunctions.

Authors

Giovanna Gallina, Luigi Dolcetti, Paolo Serafini, Carmela De Santo, Ilaria Marigo, Mario P. Colombo, Giuseppe Basso, Frank Brombacher, Ivan Borrello, Paola Zanovello, Silvio Bicciato, Vincenzo Bronte

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Total citations by year

Year: 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 Total
Citations: 2 12 11 13 22 11 15 22 16 24 30 29 28 34 33 30 34 26 8 2 402
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Targeting myeloid-derived suppressor cells in tumor immunotherapy: Current, future and beyond
Zhao Y, Du J, Shen X
Frontiers in immunology 2023
Naive T cells inhibit the outgrowth of intractable antigen-activated memory T cells: implications for T-cell immunotherapy
Sharma S, Woods M, Mehta NU, Sauer T, Parikh KS, Schmuck-Henneresse M, Zhang H, Mehta B, Brenner MK, Heslop HE, Rooney CM
Journal for ImmunoTherapy of Cancer 2023
Modulation of Myeloid-Derived Suppressor Cells in the Tumor Microenvironment by Natural Products
Calderon JJ, Prieto K, Lasso P, Fiorentino S, Barreto A
Archivum Immunologiae et Therapiae Experimentalis 2023
Suppressive myeloid cells in SARS-CoV-2 and Mycobacterium tuberculosis co-infection
Shaw JA, Malherbe ST, Walzl G, du Plessis N
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Riviere-Cazaux C, Carlstrom LP, Neth BJ, Olson IE, Rajani K, Rahman M, Ikram S, Mansour MA, Mukherjee B, Warrington AE, Short SC, von Zglinicki T, Brown DA, Burma S, Tchkonia T, Schafer MJ, Baker DJ, Kizilbash SH, Kirkland JL, Burns TC
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