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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >G-utrophin, the autosomal homologue of dystrophin Dp116, is expressed in sensory ganglia and brain.
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G-utrophin, the autosomal homologue of dystrophin Dp116, is expressed in sensory ganglia and brain.

机译:肌营养不良蛋白Dp116的常染色体同源物G-utrophin在感觉神经节和大脑中表达。

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摘要

The utrophin gene is closely related to the dystrophin gene in both sequence and genomic structure. The Duchenne muscular dystrophy (DMD) locus encodes three 14-kb dystrophin transcripts in addition to several smaller isoforms, one of which, Dp116, is specific to peripheral nerve. We describe here the corresponding 5.5-kb mRNA from the utrophin locus. This transcript, designated G-utrophin, is of particular interest because it is specifically expressed in the adult mouse brain and appears to be the predominant utrophin transcript in this tissue. G-utrophin is expressed in brain sites generally different from the regions expressing beta-dystroglycan. During mouse embryogenesis G-utrophin is also seen in the developing sensory ganglia. Our data confirm the close evolutionary relationships between the DMD and utrophin loci; however, the functions for the corresponding proteins probably differ.
机译:促营养素基因在序列和基因组结构上均与肌营养不良蛋白基因密切相关。除了几个较小的同工型,Duchne肌营养不良症(DMD)基因座还编码三个14 kb的肌营养不良蛋白转录物,其中一个Dp116对周围神经具有特异性。我们在这里描述了来自卵磷脂基因座的相应的5.5-kb mRNA。该转录物称为G-utrophin,特别受关注,因为它在成年小鼠脑中特异性表达,并且似乎是该组织中主要的utrophin转录物。 G-营养蛋白在通常不同于表达β-dystroglycan的区域的大脑部位表达。在小鼠胚胎发生过程中,还在发育的感觉神经节中发现了G-促卵磷脂。我们的数据证实了DMD和Utrophin基因座之间密切的进化关系。但是,相应蛋白质的功能可能有所不同。

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