A signal transducer and activator of transcription (Stat)4-independent pathway for the development of T helper type 1 cells

Mark Kaplan, Andrea L. Wurster, Michael J. Grusby

Research output: Contribution to journalArticle

133 Citations (Scopus)

Abstract

The differentiation of T helper (Th) cells is regulated by members of the signal transducer and activator of transcription (STAT) family of signaling molecules. We have generated mice lacking both Stat4 and Stat6 to examine the ability of Th cells to develop in the absence of these two transcription factors. Stat4, Stat6(-/-) lymphocytes fail to differentiate into interleukin (IL)-4-secreting Th2 cells. However, in contrast to Stat4(- /-) lymphocytes, T cells from Stat4, Stat6(-/-) mice produce significant amounts of interferon (IFN)-γ when activated in vitro. Although Stat4, Stat6(-/-) lymphocytes produce less IFN-γ than IL-12-stimulated control lymphocytes, equivalent numbers of IFN-γ-secreting cells can be generated from cultures of Stat4, Stat6(-/-) lymphocytes activated under neutral conditions and control lymphocytes activated under Th1 cell-promoting conditions. Moreover, Stat4, Stat6(-/-) mice are able to mount an in vivo Th1 cell-mediated delayed-type hypersensitivity response. These results support a model of Th cell differentiation in which the generation of Th2 cells requires Stat6, whereas a Stat4-independent pathway exists for the development of Th1 cells.

Original languageEnglish
Pages (from-to)1191-1196
Number of pages6
JournalJournal of Experimental Medicine
Volume188
Issue number6
DOIs
StatePublished - Sep 21 1998

Fingerprint

STAT4 Transcription Factor
Th1 Cells
Lymphocytes
Interferons
Th2 Cells
Helper-Inducer T-Lymphocytes
Delayed Hypersensitivity
Lymphocyte Count
Interleukin-12
Transducers
Interleukin-4
Cell Differentiation
Transcription Factors
T-Lymphocytes

Keywords

  • Interleukin 12
  • Interleukin 4
  • Signal transducer and activator of transcription
  • T cell differentiation

ASJC Scopus subject areas

  • Immunology

Cite this

A signal transducer and activator of transcription (Stat)4-independent pathway for the development of T helper type 1 cells. / Kaplan, Mark; Wurster, Andrea L.; Grusby, Michael J.

In: Journal of Experimental Medicine, Vol. 188, No. 6, 21.09.1998, p. 1191-1196.

Research output: Contribution to journalArticle

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