Suppressor of cytokine signaling-1 ameliorates dextran sulfate sodium-induced colitis in mice

Jiro Horino, Minoru Fujimoto, Fumitaka Terabe, Satoshi Serada, Tsuyoshi Takahashi, Yoshihito Soma, Kentaro Tanaka, Takatoshi Chinen, Akihiko Yoshimura, Shintaro Nomura, Ichiro Kawase, Norio Hayashi, Tadamitsu Kishimoto, Tetsuji Naka

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Abstract

Inflammatory bowel disease (IBD) is a chronic disorder of the gastrointestinal tract. Although the etiology and pathogenesis of IBD remain unknown, pro-inflammatory cytokines including IFN-γ play an important role in the development of IBD. Suppressor of cytokine signaling-1 (SOCS-1) is a crucial inhibitor of cytokine signaling, particularly of IFN-γ. In this study, we investigated the role of SOCS-1 in the development of murine dextran sulfate sodium (DSS)-induced colitis, a model of colitis resembling human IBD. SOCS-1 heterozygous (SOCS-1+/-) and wild-type (WT) mice were given 3% DSS dissolved in drinking water for 5 days. Activation and expression of signal transducers and activators of transcription (STAT) in colonic tissues were assessed by western blot analysis. The expression of CD4, IFN-γ, IL-4, IL-17 and Forkhead box P3 (Foxp3) in colonic lamina propria lymphocytes was analyzed by flow cytometry and cytokine concentrations in serum were measured. DSS-treated SOCS-1+/- mice developed more severe colitis than DSS-treated WT mice. Enhanced activation of STAT1, a higher ratio of CD4+ IFN-γ+T cells and a lower frequency of Foxp3+ regulatory T (Treg) cells, were observed in the colon of DSS-treated SOCS-1+/- mice compared with DSS-treated WT mice. DSS-treated SOCS-1+/- mice showed higher levels of IFN-γ in sera than did DSS-treated WT mice. Furthermore, T cell-specific SOCS-1-conditional knockout mice developed more severe colitis than control mice after DSS administration. Our findings suggest that SOCS-1, particularly in T cells, prevents the development of DSS-induced colitis in mice by inhibiting IFN-γ/STAT1 signaling and by subsequently regulating Treg cell development.

Original languageEnglish
Pages (from-to)753-762
Number of pages10
JournalInternational Immunology
Volume20
Issue number6
DOIs
Publication statusPublished - Jun 1 2008

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Dextran Sulfate
Colitis
Cytokines
Inflammatory Bowel Diseases
Regulatory T-Lymphocytes
T-Lymphocytes
Interleukin-17
Transducers
Serum
Knockout Mice
Drinking Water
Interleukin-4
Gastrointestinal Tract
Flow Cytometry
Colon
Mucous Membrane
Western Blotting

All Science Journal Classification (ASJC) codes

  • Immunology and Allergy
  • Immunology

Cite this

Horino, J., Fujimoto, M., Terabe, F., Serada, S., Takahashi, T., Soma, Y., ... Naka, T. (2008). Suppressor of cytokine signaling-1 ameliorates dextran sulfate sodium-induced colitis in mice. International Immunology, 20(6), 753-762. https://doi.org/10.1093/intimm/dxn033

Suppressor of cytokine signaling-1 ameliorates dextran sulfate sodium-induced colitis in mice. / Horino, Jiro; Fujimoto, Minoru; Terabe, Fumitaka; Serada, Satoshi; Takahashi, Tsuyoshi; Soma, Yoshihito; Tanaka, Kentaro; Chinen, Takatoshi; Yoshimura, Akihiko; Nomura, Shintaro; Kawase, Ichiro; Hayashi, Norio; Kishimoto, Tadamitsu; Naka, Tetsuji.

In: International Immunology, Vol. 20, No. 6, 01.06.2008, p. 753-762.

Research output: Contribution to journalArticle

Horino, J, Fujimoto, M, Terabe, F, Serada, S, Takahashi, T, Soma, Y, Tanaka, K, Chinen, T, Yoshimura, A, Nomura, S, Kawase, I, Hayashi, N, Kishimoto, T & Naka, T 2008, 'Suppressor of cytokine signaling-1 ameliorates dextran sulfate sodium-induced colitis in mice', International Immunology, vol. 20, no. 6, pp. 753-762. https://doi.org/10.1093/intimm/dxn033
Horino, Jiro ; Fujimoto, Minoru ; Terabe, Fumitaka ; Serada, Satoshi ; Takahashi, Tsuyoshi ; Soma, Yoshihito ; Tanaka, Kentaro ; Chinen, Takatoshi ; Yoshimura, Akihiko ; Nomura, Shintaro ; Kawase, Ichiro ; Hayashi, Norio ; Kishimoto, Tadamitsu ; Naka, Tetsuji. / Suppressor of cytokine signaling-1 ameliorates dextran sulfate sodium-induced colitis in mice. In: International Immunology. 2008 ; Vol. 20, No. 6. pp. 753-762.
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