"Go upstream, young man": lessons learned from the p38 saga.

"Go upstream, young man": lessons learned from the p38 saga.
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DOI:
10.1136/ard.2009.119479
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发表时间:
2010-01
影响因子:
27.4
通讯作者:
Firestein GS
Firestein GS
中科院分区:
医学1区
文献类型:
--
作者:
Hammaker D;Firestein GS

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尽管类风湿性关节炎(RA)的生物治疗取得了成功,但口服活性小分子药物是可取的。信号转导抑制剂一直是激烈努力的焦点,最近有一些显着的成功和失败。p38α是一种调节促炎细胞因子的信号分子,这使其成为类风湿关节炎的逻辑靶点。不幸的是,选择性p38α抑制剂的疗效有限。本文试图对这些研究进行透视,并为p38α阻滞剂的失败提供可能的解释。Syk和JAK抑制剂的疗效表明,其他策略,如靶向信号级联中较高的激酶或使用选择性较低的化合物,可能会更成功。
Despite the success of biological therapies in rheumatoid arthritis (RA), orally active small-molecule drugs are desirable. Signal transduction inhibitors have been the focus of intense efforts, with some recent notable successes and failures. p38α is a signalling molecule that regulates proinflammatory cytokines, which makes it a logical target for RA. Unfortunately, selective p38α inhibitors have limited efficacy. An attempt is made here to put these studies into perspective and offer possible explanations for the failure of p38α blockers. Alternative strategies, such as targeting kinases higher in the signalling cascade or using less selective compounds, might be more successful as suggested by the efficacy seen with Syk and JAK inhibitors.
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