STAT3 activation impairs the stability of Th9 cells

Benjamin J. Ulrich, Felipe Fortino Verdan, Andrew N J McKenzie, Mark Kaplan, Matthew R. Olson

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Th9 cells regulate multiple immune responses, including immunity to pathogens and tumors, allergic inflammation, and autoimmunity. Despite ongoing research into Th9 development and function, little is known about the stability of the Th9 phenotype. In this study, we demonstrate that IL-9 production is progressively lost in Th9 cultures during several rounds of differentiation. The loss of IL-9 is not due to an outgrowth of cells that do not secrete IL-9, as purified IL-9 secretors demonstrate the same loss of IL-9 in subsequent rounds of differentiation. The loss of IL-9 production correlates with increases in phospho-STAT3 levels within the cell, as well as the production of IL-10. STAT3-deficient Th9 cells have increased IL-9 production that is maintained for longer in culture than IL-9 in control cultures. IL-10 is responsible for STAT3 activation during the first round of differentiation, and it contributes to instability in subsequent rounds of culture. Taken together, our results indicate that environmental cues dictate the instability of the Th9 phenotype, and they suggest approaches to enhance Th9 activity in beneficial immune responses.

Original languageEnglish (US)
Pages (from-to)2302-2309
Number of pages8
JournalJournal of Immunology
Volume198
Issue number6
DOIs
StatePublished - Mar 15 2017

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Interleukin-9
Interleukin-10
Phenotype
Autoimmunity
Cues
Immunity
Inflammation

ASJC Scopus subject areas

  • Immunology

Cite this

Ulrich, B. J., Verdan, F. F., McKenzie, A. N. J., Kaplan, M., & Olson, M. R. (2017). STAT3 activation impairs the stability of Th9 cells. Journal of Immunology, 198(6), 2302-2309. https://doi.org/10.4049/jimmunol.1601624

STAT3 activation impairs the stability of Th9 cells. / Ulrich, Benjamin J.; Verdan, Felipe Fortino; McKenzie, Andrew N J; Kaplan, Mark; Olson, Matthew R.

In: Journal of Immunology, Vol. 198, No. 6, 15.03.2017, p. 2302-2309.

Research output: Contribution to journalArticle

Ulrich, BJ, Verdan, FF, McKenzie, ANJ, Kaplan, M & Olson, MR 2017, 'STAT3 activation impairs the stability of Th9 cells', Journal of Immunology, vol. 198, no. 6, pp. 2302-2309. https://doi.org/10.4049/jimmunol.1601624
Ulrich, Benjamin J. ; Verdan, Felipe Fortino ; McKenzie, Andrew N J ; Kaplan, Mark ; Olson, Matthew R. / STAT3 activation impairs the stability of Th9 cells. In: Journal of Immunology. 2017 ; Vol. 198, No. 6. pp. 2302-2309.
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