Interleukin-10 and Th2 cytokines differentially regulate osteopontin expression in human monocytes and dendritic cells

Satoshi Konno, John A. Eckman, Beverly Plunkett, Xinfang Li, Jeffery S. Berman, John Thomas Schroeder, Shau Ku Huang

Research output: Contribution to journalArticle

Abstract

Osteopontin (OPN) is a pleiotrophic phosphoprotein involved in homeostatic and pathophysiologic responses. It is known to be a chemotactic cytokine for dendritic cells (DCs), a critical cell type in both innate and adaptive immune responses. We report herein a contrasting role of interleukin-10 (IL-10) and Th2 cytokines in the regulation of OPN expression in human monocytes and monocyte-derived DCs (Mo-DCs). Our results showed first that the expression of OPN in monocytes and Mo-DCs was induced in a time-dependent and dose-dependent manner by IL-10 but was inhibited by IL-4 or IL-13. Further, the basal level of OPN expression was also inhibited by IL-4. This inhibitory effect of IL-4 was associated with a faster decay of OPN transcripts and a decreased proximal promoter activity of OPN in IL-4-treated cells. These results demonstrate a novel role of IL-10 and Th2 cytokines in the regulation of DC function through their contrasting regulatory activities on the expression of OPN.

Original languageEnglish (US)
Pages (from-to)562-567
Number of pages6
JournalJournal of Interferon and Cytokine Research
Volume26
Issue number8
DOIs
StatePublished - Aug 2006

Fingerprint

Osteopontin
Interleukin-10
Dendritic Cells
Monocytes
Cytokines
Interleukin-4
Interleukin-13
Phosphoproteins
Adaptive Immunity
Chemokines
Innate Immunity

ASJC Scopus subject areas

  • Immunology
  • Virology
  • Cell Biology

Cite this

Interleukin-10 and Th2 cytokines differentially regulate osteopontin expression in human monocytes and dendritic cells. / Konno, Satoshi; Eckman, John A.; Plunkett, Beverly; Li, Xinfang; Berman, Jeffery S.; Schroeder, John Thomas; Huang, Shau Ku.

In: Journal of Interferon and Cytokine Research, Vol. 26, No. 8, 08.2006, p. 562-567.

Research output: Contribution to journalArticle

Konno, Satoshi ; Eckman, John A. ; Plunkett, Beverly ; Li, Xinfang ; Berman, Jeffery S. ; Schroeder, John Thomas ; Huang, Shau Ku. / Interleukin-10 and Th2 cytokines differentially regulate osteopontin expression in human monocytes and dendritic cells. In: Journal of Interferon and Cytokine Research. 2006 ; Vol. 26, No. 8. pp. 562-567.
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AU - Konno, Satoshi

AU - Eckman, John A.

AU - Plunkett, Beverly

AU - Li, Xinfang

AU - Berman, Jeffery S.

AU - Schroeder, John Thomas

AU - Huang, Shau Ku

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AB - Osteopontin (OPN) is a pleiotrophic phosphoprotein involved in homeostatic and pathophysiologic responses. It is known to be a chemotactic cytokine for dendritic cells (DCs), a critical cell type in both innate and adaptive immune responses. We report herein a contrasting role of interleukin-10 (IL-10) and Th2 cytokines in the regulation of OPN expression in human monocytes and monocyte-derived DCs (Mo-DCs). Our results showed first that the expression of OPN in monocytes and Mo-DCs was induced in a time-dependent and dose-dependent manner by IL-10 but was inhibited by IL-4 or IL-13. Further, the basal level of OPN expression was also inhibited by IL-4. This inhibitory effect of IL-4 was associated with a faster decay of OPN transcripts and a decreased proximal promoter activity of OPN in IL-4-treated cells. These results demonstrate a novel role of IL-10 and Th2 cytokines in the regulation of DC function through their contrasting regulatory activities on the expression of OPN.

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