Thymic stromal lymphopoietin fosters human breast tumor growth by promoting type 2 inflammation

The human breast tumor microenvironment can display features of T helper type 2 (Th2) inflammation, and Th2 inflammation can promote tumor development. However, the molecular and cellular mechanisms contributing to Th2 inflammation in breast tumors remain unclear. Here, we show that human breast can...

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Veröffentlicht in:The Journal of experimental medicine 2011-03, Vol.208 (3), p.479-490
Hauptverfasser: Pedroza-Gonzalez, Alexander, Xu, Kangling, Wu, Te-Chia, Aspord, Caroline, Tindle, Sasha, Marches, Florentina, Gallegos, Michael, Burton, Elizabeth C, Savino, Daniel, Hori, Toshiyuki, Tanaka, Yuetsu, Zurawski, Sandra, Zurawski, Gerard, Bover, Laura, Liu, Yong-Jun, Banchereau, Jacques, Palucka, A Karolina
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container_end_page 490
container_issue 3
container_start_page 479
container_title The Journal of experimental medicine
container_volume 208
creator Pedroza-Gonzalez, Alexander
Xu, Kangling
Wu, Te-Chia
Aspord, Caroline
Tindle, Sasha
Marches, Florentina
Gallegos, Michael
Burton, Elizabeth C
Savino, Daniel
Hori, Toshiyuki
Tanaka, Yuetsu
Zurawski, Sandra
Zurawski, Gerard
Bover, Laura
Liu, Yong-Jun
Banchereau, Jacques
Palucka, A Karolina
description The human breast tumor microenvironment can display features of T helper type 2 (Th2) inflammation, and Th2 inflammation can promote tumor development. However, the molecular and cellular mechanisms contributing to Th2 inflammation in breast tumors remain unclear. Here, we show that human breast cancer cells produce thymic stromal lymphopoietin (TSLP). Breast tumor supernatants, in a TSLP-dependent manner, induce expression of OX40L on dendritic cells (DCs). OX40L(+) DCs are found in primary breast tumor infiltrates. OX40L(+) DCs drive development of inflammatory Th2 cells producing interleukin-13 and tumor necrosis factor in vitro. Antibodies neutralizing TSLP or OX40L inhibit breast tumor growth and interleukin-13 production in a xenograft model. Thus, breast cancer cell-derived TSLP contributes to the inflammatory Th2 microenvironment conducive to breast tumor development by inducing OX40L expression on DCs.
doi_str_mv 10.1084/jem.20102131
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subjects Animals
Antibodies, Neoplasm - immunology
Breast Neoplasms - physiopathology
Cytokines - physiology
Dendritic Cells - immunology
Dendritic Cells - physiology
Female
Gene Expression Regulation, Neoplastic - physiology
Humans
Inflammation - physiopathology
Lymphocytes, Tumor-Infiltrating - immunology
Lymphocytes, Tumor-Infiltrating - physiology
Mice
Neoplasm Transplantation
OX40 Ligand - physiology
Th2 Cells - immunology
Th2 Cells - physiology
title Thymic stromal lymphopoietin fosters human breast tumor growth by promoting type 2 inflammation
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