IL-23 promotes maintenance but not commitment to the Th17 lineage

Gretta L. Stritesky, Norman Yeh, Mark H. Kaplan

Research output: Contribution to journalArticle

220 Citations (Scopus)

Abstract

IL-23 plays a critical role establishing inflammatory immunity and enhancing IL-17 production in vivo. However, an understanding of how it performs those functions has been elusive. In this report, using an IL-17-capture technique, we demonstrate that IL-23 maintains the IL-17-secreting phenotype of purified IL-17+ cells without affecting cell expansion or survival. IL-23 maintains the Th17 phenotype over multiple rounds of in vitro stimulation most efficiently in conjunction with IL-1β. However, in contrast to Th1 and Th2 cells, the Th17 phenotype is not stable and when long-term IL-23-stimulated Th17 cultures are exposed to Th1- or Th2-inducing cytokines, the Th17 genetic program is repressed and cells that previously secreted IL-17 assume the cytokine secreting profile of other Th subsets. Thus, while IL-23 can maintain the Th17 phenotype, it does not promote commitment to an IL-17-secreting lineage.

Original languageEnglish (US)
Pages (from-to)5948-5955
Number of pages8
JournalJournal of Immunology
Volume181
Issue number9
DOIs
StatePublished - Nov 1 2008

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Interleukin-23
Interleukin-17
Maintenance
Phenotype
Cytokines
Th2 Cells
Th1 Cells
Interleukin-1
Immunity

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

Cite this

IL-23 promotes maintenance but not commitment to the Th17 lineage. / Stritesky, Gretta L.; Yeh, Norman; Kaplan, Mark H.

In: Journal of Immunology, Vol. 181, No. 9, 01.11.2008, p. 5948-5955.

Research output: Contribution to journalArticle

Stritesky, Gretta L. ; Yeh, Norman ; Kaplan, Mark H. / IL-23 promotes maintenance but not commitment to the Th17 lineage. In: Journal of Immunology. 2008 ; Vol. 181, No. 9. pp. 5948-5955.
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