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Cited by 474

The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.

Regulation of the IL-23 and IL-12 Balance by Stat3 Signaling in the Tumor Microenvironment

Open access
Kortylewski, Marcin, Xin, Hong, Kujawski, Maciej, Lee, Heehyoung, Liu, Yong, Harris, Timothy, Drake, Charles, Pardoll, Drew, Yu, Hua·2009·Cancer Cell

Abstract

SUMMARY Interactions between tumor and immune cells either enhance or inhibit cancer progression. We show here that Stat3 signaling within the tumor microenvironment induces a pro-carcinogenic cytokine, IL-23, while inhibiting a central anti-carcinogenic cytokine, IL-12, thereby shifting the balance of tumor immunity towards carcinogenesis. Stat3 induces expression of IL-23, which is mainly produced by tumor-associated macrophages, via direct transcriptional activation of the IL-23/p19 gene. Furthermore, Stat3 inhibits NF-κB/c-Rel-dependent IL-12/p35 gene expression in tumor-associated dendritic cells. Tumor-associated regulatory T cells (Treg) express IL-23 receptor (IL-23R) which activates Stat3 in this cell type, leading to upregulation of the Treg-specific transcription factor, Foxp3, and the immunosuppressive cytokine, IL-10. These results demonstrate that Stat3 promotes IL-23-mediated pro-carcinogenic immune responses while inhibiting IL-12-dependent anti-tumor immunity. SIGNIFICANCE Recent studies suggest that two related cytokines, IL- 23 and IL- 12, play opposite roles in carcinogenesis. However, the underlying mechanisms regulating the balance between these cytokines in the tumor microenvironment have not been elucidated. Mechanisms by which IL-23 promotes tumor immune evasion also remain to be explored. Our results reveal that Stat3 signaling in the tumor microenvironment regulates the IL-12/IL-23 balance and further, that IL- 23 enhances the immunosuppressive activity of regulatory T cells within the tumor microenvironment, in part via IL-23 receptor dependent Stat3 activation. Because Stat3 is a point of convergence for signaling pathways commonly activated in cancer, our data reveal a mechanism by which oncogenic pathways regulate the immune microenvironment to promote tumor development.

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Metadata

Authors
Kortylewski, M., Xin, H., Kujawski, M., Lee, H., Liu, Y., Harris, T., Drake, C., Pardoll, D., & Yu, H.
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2009-02
Volume
15
Issue
2
Pages
114-123
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2114027214
Cited by
474
References
8
FWCI
21.33
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Regulation of the IL-23 and IL-12 Balance by Stat3 Signaling in the Tumor Microenvironment. https://app.cochat.ai/papers/10.1016/j.ccr.2008.12.018
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Kortylewski, M., Xin, H., Kujawski, M., Lee, H., Liu, Y., Harris, T., Drake, C., Pardoll, D., & Yu, H. (2009). Regulation of the IL-23 and IL-12 Balance by Stat3 Signaling in the Tumor Microenvironment. Cancer Cell. https://doi.org/10.1016/j.ccr.2008.12.018

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