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Inhibition of dendritic cell differentiation and accumulation of myeloid-derived suppressor cells in cancer is regulated by S100A9 protein

Open access
Cheng, Pingyan, Corzo, Cesar A., Luetteke, Noreen, Yu, Bin, Nagaraj, Srinivas, Bui, Marylin M., Ortiz, Myrna, Nacken, Wolfgang, Sorg, Clemens, Vogl, Thomas, Roth, Johannes, Gabrilovich, Dmitry I.·2008·The Journal of Experimental Medicine

Abstract

Accumulation of myeloid-derived suppressor cells (MDSCs) associated with inhibition of dendritic cell (DC) differentiation is one of the major immunological abnormalities in cancer and leads to suppression of antitumor immune responses. The molecular mechanism of this phenomenon remains unclear. We report here that STAT3-inducible up-regulation of the myeloid-related protein S100A9 enhances MDSC production in cancer. Mice lacking this protein mounted potent antitumor immune responses and rejected implanted tumors. This effect was reversed by administration of wild-type MDSCs from tumor-bearing mice to S100A9-null mice. Overexpression of S100A9 in cultured embryonic stem cells or transgenic mice inhibited the differentiation of DCs and macrophages and induced accumulation of MDSCs. This study demonstrates that tumor-induced up-regulation of S100A9 protein is critically important for accumulation of MDSCs and reveals a novel molecular mechanism of immunological abnormalities in cancer.

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Metadata

Authors
Cheng, P., Corzo, C. A., Luetteke, N., Yu, B., Nagaraj, S., Bui, M. M., Ortiz, M., Nacken, W., Sorg, C., Vogl, T., Roth, J., & Gabrilovich, D. I.
Venue
The Journal of Experimental Medicine
Published
2008-09-22
Volume
205
Issue
10
Pages
2235-2249
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W1993340690
Cited by
902
References
4
FWCI
17.32
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Inhibition of dendritic cell differentiation and accumulation of myeloid-derived suppressor cells in cancer is regulated by S100A9 protein. https://app.cochat.ai/papers/10.1084/jem.20080132
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Cheng, P., Corzo, C. A., Luetteke, N., Yu, B., Nagaraj, S., Bui, M. M., Ortiz, M., Nacken, W., Sorg, C., Vogl, T., Roth, J., & Gabrilovich, D. I. (2008). Inhibition of dendritic cell differentiation and accumulation of myeloid-derived suppressor cells in cancer is regulated by S100A9 protein. The Journal of Experimental Medicine. https://doi.org/10.1084/jem.20080132

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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