Dynamic combinatorial selection of molecules capable of inhibiting the (CUG) repeat RNA-MBNL1 interaction in vitro: discovery of lead compounds targeting myotonic dystrophy (DM1).

Dynamic combinatorial selection of molecules capable of inhibiting the (CUG) repeat RNA-MBNL1 interaction in vitro: discovery of lead compounds targeting myotonic dystrophy (DM1).
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能够在体外抑制(CUG)重复RNA-MBNL1相互作用的分子的动态组合选择:发现靶向肌发育症的铅化合物(DM1)。

DOI:
10.1021/ja804398y
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发表时间:
2008-12-03
影响因子:
15
通讯作者:
Miller, Benjamin L.
Miller, Benjamin L.
中科院分区:
化学1区
文献类型:
--
作者:
Gareiss, Peter C.;Sobczak, Krzysztof;McNaughton, Brian R.;Palde, Prakash B.;Thornton, Charles A.;Miller, Benjamin L.

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强直性肌营养不良1型(DM 1)是成人肌营养不良最常见的形式,是一种RNA介导的疾病。急剧扩增(CUG)重复序列在细胞核中积累,并隔离RNA结合蛋白,如剪接调节因子MBNL 1。我们采用树脂结合动态组合化学(RBDCC),以确定第一个例子的化合物能够抑制MBNL 1结合(CUG)重复RNA。筛选具有11,325个成员的理论多样性的RBDCL产生了几种分子,其对(CUG)重复RNA的结合具有显著的选择性,优于其他序列。这些化合物还能够在体外抑制GGG-(CUG)109-GGG RNA与MBNL 1的相互作用,Ki值在低微摩尔范围内。
Myotonic dystrophy type 1 (DM1), the most common form of muscular dystrophy in adults, is an RNA-mediated disease. Dramatically expanded (CUG) repeats accumulate in nuclei, and sequester RNA-binding proteins such as the splicing regulator MBNL1. We have employed resin-bound dynamic combinatorial chemistry (RBDCC) to identify the first examples of compounds able to inhibit MBNL1 binding to (CUG) repeat RNA. Screening an RBDCL with a theoretical diversity of 11,325 members yielded several molecules with significant selectivity for binding to (CUG) repeat RNA over other sequences. These compounds were also able to inhibit the interaction of GGG-(CUG)109-GGG RNA with MBNL1 in vitro, with Ki values in the low micromolar range.
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