Small-molecule inhibitors of the TLR3/dsRNA complex.

Small-molecule inhibitors of the TLR3/dsRNA complex.
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DOI:
10.1021/ja111312h
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发表时间:
2011-03-23
影响因子:
15
通讯作者:
Yin, Hang
Yin, Hang
中科院分区:
化学1区
文献类型:
--
作者:
Cheng, Kui;Wang, Xiaohui;Yin, Hang

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尽管蛋白质-RNA界面在许多生物学过程中具有重要性,但它一直被认为是“不可药物化的”。Toll样受体3(TLR 3)/双链RNA(dsRNA)复合物为许多感染性疾病和癌症提供了令人兴奋的靶标。我们描述了一系列小分子探针的开发,这些小分子探针被证明是具有高亲和力和特异性的dsRNA与TLR 3结合的竞争性抑制剂。在许多测定中,化合物4a被描述为TLR 3信号传导的有效拮抗剂,并且还抑制由TLR 3/dsRNA复合物介导的下游信号传导途径(包括TNF-α和IL-1β)的表达。
The protein-RNA interface has been regarded as “undruggable” despite its importance in many biological processes. The toll-like receptor 3 (TLR3)/double-stranded RNA (dsRNA) complex provides an exciting target for a number of infectious diseases and cancers. We describe the development of a series of small molecule probes that were shown to be competitive inhibitors of dsRNA binding to TLR3 with high affinity and specificity. In a multitude of assays, compound 4a was profiled as a potent antagonist to TLR3 signaling and also repressed the expression of downstream signaling pathways mediated by the TLR3/dsRNA complex, including TNF-α and IL-1β.
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