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Molecular genetics and clinical aspects of 16q-ADCA Kinya ISHIKAWA 1 , Shuta TOHRU 1 , Hidehiro MIZUSAWA 1 1Department of Neurology and Neurological Science, Tokyo Medical and Dental University, Graduate School of Medical and Dental Science Keyword: 脊髄小脳変性症 , spinocerebellar degeneration , 小脳Purkinje細胞 , Purkinje cell , RhoGEF , Golgi装置 , Golgi apparatus pp.355-362
Published Date 2006/6/10
DOI https://doi.org/10.11477/mf.1431100143
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We describe clinical features and specific genetic change in 16q22.1-linked form of autosomal dominant cerebellar ataxia(16q-ADCA). Through extensive positional cloning strategy, we identified that all affected individuals with 16q-ADCA harbor heterozygous C-to-T, single nucleotide change in the 5'-untranslated region of the gene DKFZP434I216, which we renamed “puratrophin-1”(Purkinje cell atrophy associated protein-1). Using this genetic change, we found that 16q-ADCA is a common subtype among ADCAs in Japan. Clinically, this form is characterized as pure cerebellar ataxia with latest age of onset. Further analysis is needed to elucidate how this genetic change contributes to the pathogenic mechanism of this disease.


Copyright © 2006, 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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