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首页> 外文期刊>Annals of Indian Academy of Neurology >Phenotypic Variability in Huntington's Disease
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Phenotypic Variability in Huntington's Disease

机译:亨廷顿疾病中的表型变异性

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Huntington's disease (HD) is a hereditary neurodegenerative disorder with an autosomal dominant inheritance pattern. It is characterized by a progressive course of the combination of motor, cognitive, and psychiatric manifestations. It is caused because of expansion of CAG trinucleotide repeat in the huntingtin (HTT) gene encoding the protein HTT on chromosome 4. The exact function of normal HTT protein and the mechanism by which mutant huntingtin (mHTT) gene produces manifestation in HD is still unclear. It has been proposed that the mHTT protein contains abnormal long polyglutamine sequences that result in the formation of HTT protein aggregates, which disrupts normal cell functions and ultimately culminates into neuronal loss and neurodegeneration. Current literature shows an important role in cellular aging and various aging-related genes, inducing the disease-specific phenotypes in HD patients.
机译:亨廷顿的疾病(HD)是一种遗传性神经退行性疾病,具有常染色体显性遗传模式。它的特点是运动,认知和精神病表现的组合的渐进过程。由于在编码染色体上的蛋白质HTT的蛋白质HTT中的CAG三核苷酸重复的CAG三核苷酸重复引起的造成的。正常HTT蛋白的确切功能和突变亨廷顿(MHTT)基因在高清中产生表现的机制仍不清楚。已经提出了MHTT蛋白质含有异常的长聚谷氨酰胺序列,其导致HTT蛋白质聚集体的形成,其破坏正常细胞功能并最终将终止于神经元损失和神经变性。目前的文献显示了细胞衰老和各种衰老相关基因中的重要作用,诱导高清患者的疾病特异性表型。

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