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Comment
. 2009 Feb 3;15(2):81-3.
doi: 10.1016/j.ccr.2009.01.008.

Reinforcing suppression using regulators: a new link between STAT3, IL-23, and Tregs in tumor immunosuppression

C Andrew Stewart  1 , Giorgio Trinchieri
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Reinforcing suppression using regulators: a new link between STAT3, IL-23, and Tregs in tumor immunosuppression

C Andrew Stewart et al. Cancer Cell. .
Free article

Abstract

STAT3 plays many roles in tumorigenesis. In this issue of Cancer Cell, Kortylewski et al. show that in the tumor microenvironment, STAT3 enhances the expression of the protumor cytokine IL-23 in macrophages but inhibits the antitumor cytokine IL-12 in dendritic cells. STAT3 also mediates IL-23's effect of activating tumor-infiltrating regulatory T cells.

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