Two-sided roles of IL-27: Induction of Th1 differentiation on naive CD4+ T cells versus suppression of proinflammatory cytokine production including IL-23-induced IL-17 on activated CD4+ T cells partially through STAT3-dependent mechanism

Takeru Yoshimura, Atsunobu Takeda, Shinjiro Hamano, Yoshiyuki Miyazaki, Ichiko Kinjyo, Tatsuro Ishibashi, Akihiko Yoshimura, Hiroki Yoshida

研究成果: Article

178 引用 (Scopus)

抄録

Recent lines of evidence have demonstrated that IL-27, a newly identified IL-12-related cytokine, has two apparently conflicting roles in immune responses: one as an initiator of Th1 responses and the other as an attenuator of inflammatory cytokine production. Although the BL-27-mediated Th1 initiation mechanism has been elucidated, little is known about the molecular basis for the suppression of cytokine production. In the present study, we demonstrated that IL-27 suppressed the production of various proinflammatory cytokines by fully activated CD4+ T cells while it had no effect on the cytokine production by CD4+ T cells at early phases of activation. IL-27 also suppressed IL-17 production by activated CD4+ T cells, thereby counteracting IL-23, another IL-12-related cytokine with proinflammatory effects. In fully activated CD4+ T cells, STAT3 was preferentially activated by IL-27 stimulation, whereas both STAT1 and 3 were activated by IL-27 in early activated CD4+ T cells. Lack of STAT3 in fully activated cells impaired the suppressive effects of IL-27. These data indicated that the preferential activation of STAT3 in fully activated CD4+ T cells plays an important role in the cytokine suppression by IL-27/WSX-1.

元の言語English
ページ(範囲)5377-5385
ページ数9
ジャーナルJournal of Immunology
177
発行部数8
出版物ステータスPublished - 2006 10 15
外部発表Yes

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Interleukin-27
Interleukin-23
Interleukin-17
Cytokines
T-Lymphocytes
Interleukin-12

ASJC Scopus subject areas

  • Immunology

これを引用

Two-sided roles of IL-27 : Induction of Th1 differentiation on naive CD4+ T cells versus suppression of proinflammatory cytokine production including IL-23-induced IL-17 on activated CD4+ T cells partially through STAT3-dependent mechanism. / Yoshimura, Takeru; Takeda, Atsunobu; Hamano, Shinjiro; Miyazaki, Yoshiyuki; Kinjyo, Ichiko; Ishibashi, Tatsuro; Yoshimura, Akihiko; Yoshida, Hiroki.

:: Journal of Immunology, 巻 177, 番号 8, 15.10.2006, p. 5377-5385.

研究成果: Article

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abstract = "Recent lines of evidence have demonstrated that IL-27, a newly identified IL-12-related cytokine, has two apparently conflicting roles in immune responses: one as an initiator of Th1 responses and the other as an attenuator of inflammatory cytokine production. Although the BL-27-mediated Th1 initiation mechanism has been elucidated, little is known about the molecular basis for the suppression of cytokine production. In the present study, we demonstrated that IL-27 suppressed the production of various proinflammatory cytokines by fully activated CD4+ T cells while it had no effect on the cytokine production by CD4+ T cells at early phases of activation. IL-27 also suppressed IL-17 production by activated CD4+ T cells, thereby counteracting IL-23, another IL-12-related cytokine with proinflammatory effects. In fully activated CD4+ T cells, STAT3 was preferentially activated by IL-27 stimulation, whereas both STAT1 and 3 were activated by IL-27 in early activated CD4+ T cells. Lack of STAT3 in fully activated cells impaired the suppressive effects of IL-27. These data indicated that the preferential activation of STAT3 in fully activated CD4+ T cells plays an important role in the cytokine suppression by IL-27/WSX-1.",
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AU - Yoshimura, Takeru

AU - Takeda, Atsunobu

AU - Hamano, Shinjiro

AU - Miyazaki, Yoshiyuki

AU - Kinjyo, Ichiko

AU - Ishibashi, Tatsuro

AU - Yoshimura, Akihiko

AU - Yoshida, Hiroki

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