The receptor for advanced glycation end products promotes pancreatic carcinogenesis and accumulation of myeloid-derived suppressor cells

Philip J. Vernon, Tara J. Loux, Nicole E. Schapiro, Rui Kang, Ravi Muthuswamy, Pawel Kalinski, Daolin Tang, Michael T. Lotze, Herbert J. Zeh

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Pancreatic ductal adenocarcinoma (PDA) has an aggressive natural history and is resistant to therapy. The receptor for advanced glycation end products (RAGE) is a pattern recognition receptor for many damage-associated molecular pattern molecules. RAGE is overexpressed in both human and murine models of PDA as well as most advanced epithelial neoplasms. The immunosuppressive nature of the PDA microenvironment is facilitated, in part, by the accumulation of regulatory immune cell infiltrates such as myeloid-derived suppressor cells (MDSCs). To study the role of RAGE expression in the setting of mutant Ras-promoted pancreatic carcinogenesis (KC), a triple-transgenic model of spontaneous murine PDA in a RAGE-null background (KCR) was generated. KCR mice had markedly delayed pancreatic carcinogenesis and a significant diminution of MDSCs compared with KC mice at comparable time points postweaning. Although RAGE was not required for the development or suppressor activity of MDSCs, its absence was associated with temporally limited pancreatic neoplasia and altered phenotype and function of the myeloid cells. In lieu of MDSCs, KCR animals at comparable time points exhibited mature CD11b+Gr12F4/80+ cells that were not immunosuppressive in vitro. KCR mice also maintained a significantly less suppressive milieu evidenced by marked decreases in CCL22 in relation to CXCL10 and diminished serum levels of IL-6.

Original languageEnglish (US)
Pages (from-to)1372-1379
Number of pages8
JournalJournal of Immunology
Volume190
Issue number3
DOIs
StatePublished - Feb 1 2013
Externally publishedYes

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Carcinogenesis
Adenocarcinoma
Immunosuppressive Agents
Pattern Recognition Receptors
Glandular and Epithelial Neoplasms
Myeloid Cells
Natural History
Interleukin-6
Myeloid-Derived Suppressor Cells
Advanced Glycosylation End Product-Specific Receptor
Phenotype
Serum
Neoplasms
Therapeutics

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

The receptor for advanced glycation end products promotes pancreatic carcinogenesis and accumulation of myeloid-derived suppressor cells. / Vernon, Philip J.; Loux, Tara J.; Schapiro, Nicole E.; Kang, Rui; Muthuswamy, Ravi; Kalinski, Pawel; Tang, Daolin; Lotze, Michael T.; Zeh, Herbert J.

In: Journal of Immunology, Vol. 190, No. 3, 01.02.2013, p. 1372-1379.

Research output: Contribution to journalArticle

Vernon, Philip J. ; Loux, Tara J. ; Schapiro, Nicole E. ; Kang, Rui ; Muthuswamy, Ravi ; Kalinski, Pawel ; Tang, Daolin ; Lotze, Michael T. ; Zeh, Herbert J. / The receptor for advanced glycation end products promotes pancreatic carcinogenesis and accumulation of myeloid-derived suppressor cells. In: Journal of Immunology. 2013 ; Vol. 190, No. 3. pp. 1372-1379.
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