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Linkage study of hereditary spinocerebellar ataxias; Hereditary olivopontocerebellar atrophy. Hidenao SASAKI 1 , Akemi WAKISAKA 2 , Kunio TASHIRO 1 , Takeshi HAMADA 3 , Michihiro C. YOSHIDA 4 , Hisami IKEDA 5 1Department of Neurology, School of Medicine, Hokkaido University 2Department of Pathology, School of Medicine, Hokkaido University 3Hokuyukai Neurological Hospital 4Chromosome Research Unit, Faculty of Science, Hokkaido Universiy 5Hokkaido Red Cross Blood Center pp.664-684
Published Date 1991/8/10
DOI https://doi.org/10.11477/mf.1431900165
  • Abstract
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Autosomal dominant OPCA is a progressive neurodegenerative disorder of adulthood. Since after the first report of HLA linkage to Marie's ataxia, subsequent studies have made it clear that there are two types of dominant OPCA: one linked to HLA (SCA1), others not. Precise localization of SCA1 on the short arm of chromosome 6 (6p), and possible other loci have not been established.

In order to determine the loci, we have examined 17 pedigrees affected with dominant OPCA. Total members were comprized of 139 individuals, among whom 57 were affected.Clinical diagnosiswere based on positive family history, detailed neurological evaluations, and neuroradiological studies. These pedigrees were differentiated from Joseph disease, or hereditary DRPLA. Autopsy was available in 3 pedigrees, and the diagnosis were confirmed neuro-pathologically.


Copyright © 1991, Igaku-Shoin Ltd. All rights reserved.

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

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