Landles Christian, Bates Gillian P
Neurogenetics Laboratory, Medical and Molecular Genetics, GKT School of Medicine, King's College London, 8th Floor Guy's Tower, Guy's Hospital, London SE1 9RT, UK.
EMBO Rep. 2004 Oct;5(10):958-63. doi: 10.1038/sj.embor.7400250.
Huntington's disease (HD) is a late-onset neurodegenerative disorder that is caused by a CAG repeat expansion in the IT15 gene, which results in a long stretch of polyglutamine close to the amino-terminus of the HD protein huntingtin (htt). The normal function of htt, and the molecular mechanisms that contribute to the disease pathogenesis, are in the process of being elucidated. In this review, we outline the potential functions of htt as defined by the proteins with which it has been found to interact. We then focus on evidence that supports a role for transcriptional dysfunction and impaired protein folding and degradation as early events in disease pathogenesis.
亨廷顿舞蹈症(HD)是一种迟发性神经退行性疾病,由IT15基因中的CAG重复序列扩增引起,这导致在亨廷顿舞蹈症蛋白(htt)的氨基末端附近出现一段很长的聚谷氨酰胺链。htt的正常功能以及导致疾病发病机制的分子机制正在被阐明。在这篇综述中,我们概述了已发现与htt相互作用的蛋白质所定义的htt的潜在功能。然后,我们重点关注支持转录功能障碍以及蛋白质折叠和降解受损作为疾病发病早期事件的证据。