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DNA abnormality in Huntington's disease Jun GOTO 1 1Department of Neurology, Division of Neuroscience, Graduate School of Medicine, University of Tokyo Keyword: ハンチントン病 , Huntington's disease , ハンチンチン , huntingtin , CAGリピート , CAG repeat , 表現促進 , anticipation pp.411-417
Published Date 1997/6/10
DOI https://doi.org/10.11477/mf.1431900959
  • Abstract
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Huntington's disease is a progressive neurodegenerative disorder which is clinically characterized by chorea, cognitive decline, and emotional disturbance ; it is inherited in an autosomal dominant manner. The disease locus has been mapped to chromosome 4p16.3. The gene, designated huntingtin, was cloned and the disease was found to be associated with an unstable expansion of a CAG repeat. Huntingtin gene consists of 67 exons and spans approximately 200 kb between D4S127 and D4S180. Two mRNA species of 10.3 kb and 13.7 kb are transcribed from the gene, and the size of huntingtin protein is calculated as approximately 350 kDa.


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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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