Interaction and functional interference of glucocorticoid receptor and SOCS1

Michael C. Haffner, Andreas Jurgeit, Chiara Berlato, Stephan Geley, Nirmala Parajuli, Akihiko Yoshimura, Wolfgang Doppler

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Cytokine and glucocorticoid (GC) hormone signaling act in an integrated fashion to control inflammation and immune response. Here we establish a new mode of interaction of these two pathways and propose Suppressor of Cytokine Signaling (SOCS)-1 as an essential player in mediating cross-talk. We observed that glucocorticoid receptor (GR) and SOCS1 form an intracellular complex through an interaction, which required the SH2 domain of SOCS1 and the ligand binding domain of GR. Furthermore, GC stimulation was found to increase the nuclear level of SOCS1. SOCS1 binding to the GR did not require ligand binding of the receptor; however, it was abolished after long term GC stimulation, suggesting a functional role of the interaction for the early phase of GC action. The interaction between GR and SOCS1 appeared to negatively influence the transcription of the two GR-regulated genes, FKBP5 and MKP1, because the GC-dependent expression of these genes was inhibited by the SOCS1 inducer IFNγ and enhanced in SOCS1-deficient murine embryonic fibroblasts as compared with IFNγ treated wild-type cells. Our results suggest a prominent role of SOCS1 in the early phase of cross-talk between GR and cytokine signaling.

Original languageEnglish
Pages (from-to)22089-22096
Number of pages8
JournalJournal of Biological Chemistry
Volume283
Issue number32
DOIs
Publication statusPublished - 2008 Aug 8
Externally publishedYes

Fingerprint

Glucocorticoid Receptors
Glucocorticoids
Cytokines
Genes
Ligands
src Homology Domains
Transcription
Fibroblasts
Hormones
Inflammation
Gene Expression

ASJC Scopus subject areas

  • Biochemistry
  • Cell Biology
  • Molecular Biology

Cite this

Haffner, M. C., Jurgeit, A., Berlato, C., Geley, S., Parajuli, N., Yoshimura, A., & Doppler, W. (2008). Interaction and functional interference of glucocorticoid receptor and SOCS1. Journal of Biological Chemistry, 283(32), 22089-22096. https://doi.org/10.1074/jbc.M801041200

Interaction and functional interference of glucocorticoid receptor and SOCS1. / Haffner, Michael C.; Jurgeit, Andreas; Berlato, Chiara; Geley, Stephan; Parajuli, Nirmala; Yoshimura, Akihiko; Doppler, Wolfgang.

In: Journal of Biological Chemistry, Vol. 283, No. 32, 08.08.2008, p. 22089-22096.

Research output: Contribution to journalArticle

Haffner, MC, Jurgeit, A, Berlato, C, Geley, S, Parajuli, N, Yoshimura, A & Doppler, W 2008, 'Interaction and functional interference of glucocorticoid receptor and SOCS1', Journal of Biological Chemistry, vol. 283, no. 32, pp. 22089-22096. https://doi.org/10.1074/jbc.M801041200
Haffner, Michael C. ; Jurgeit, Andreas ; Berlato, Chiara ; Geley, Stephan ; Parajuli, Nirmala ; Yoshimura, Akihiko ; Doppler, Wolfgang. / Interaction and functional interference of glucocorticoid receptor and SOCS1. In: Journal of Biological Chemistry. 2008 ; Vol. 283, No. 32. pp. 22089-22096.
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