Inhibitory effects of the JAK inhibitor CP690,550 on human CD4(+) T lymphocyte cytokine production.

Inhibitory effects of the JAK inhibitor CP690,550 on human CD4(+) T lymphocyte cytokine production.
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DOI:
10.1186/1471-2172-12-51
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发表时间:
2011-08-31
期刊:
影响因子:
3
通讯作者:
Ishibashi H
Ishibashi H
中科院分区:
医学4区
文献类型:
--
作者:
Migita K;Miyashita T;Izumi Y;Koga T;Komori A;Maeda Y;Jiuchi Y;Aiba Y;Yamasaki S;Kawakami A;Nakamura M;Ishibashi H

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新的JAK 3抑制剂CP 690,550在治疗类风湿性关节炎中显示出疗效。本研究旨在评估CP 690,550对人CD 4 + T细胞中细胞因子产生和细胞信号传导的影响。CD 4 + T细胞在用CD 3抗体刺激后产生IL-2、IL-4、IL-17、IL-22和IFN-γ。在最佳浓度下,CP 690,550几乎完全抑制这些活化的CD 4 + T细胞产生IL-4、IL-17、IL-22和IFN-γ,但对IL-2产生的影响很小。此外,CP 690,550抑制抗CD 3诱导的STAT 1、STAT 3、STAT 4、STAT 5和STAT 6的磷酸化,但不抑制TCR相关的ZAP-70的磷酸化。因此,CP 690,550介导的JAK/STAT通路的修饰可能是治疗自身免疫性疾病的一种新的免疫抑制策略。
The new JAK3 inhibitor, CP690,550, has shown efficacy in the treatment of rheumatoid arthritis. The present study was undertaken to assess the effects of CP690,550 on cytokine production and cellular signaling in human CD4+ T cells. CD4+ T cells produced IL-2, IL-4, IL-17, IL-22 and IFN-γ in following stimulation with a CD3 antibody. At the optimal concentration, CP690,550 almost completely inhibited the production of IL-4, IL-17, IL-22 and IFN-γ from these activated CD4+ T cells, but only had marginal effects on IL-2 production. Moreover CP690,550 inhibited anti-CD3-induced phosphorylation of STAT1, STAT3, STAT4, STAT5, and STAT6, but not the TCR-associated phosphorylation of ZAP-70. Therefore, CP690,550-mediated modification of the JAK/STAT pathway may be a new immunosuppressive strategy in the treatment of autoimmune diseases.
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