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Startle disease(hyperekplexia):glycine receptor channelopathy Hiroshi Takuma 1 , Shin Kwak 2 1Department of Neuroscience, Graduate School of Medicine, Osaka City University 2Department of Neuro-logy, Division of Neuroscience, Graduate School of Medicine, University of Tokyo Keyword: ビックリ病 , グリシン受容体 , GLRA1 , GLRB pp.239-246
Published Date 2003/4/10
DOI https://doi.org/10.11477/mf.1431100303
  • Abstract
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 Hyperekplexia(startle disease)is a rare disorder typically with generalized muscular rigidity and abnormally exaggerated startle response to auditory, tactile and visual stimuli. These responses result in frequent injury due to unpredictable jumps or falls without protection. Symptoms are seen in the first neonatal year, and slowly improve within a few years but may persist through life. Linkage analysis after 1990s in many dominantly and recessively inherited families showed that causative genes were glycine receptorα1 subunit(GLRA1)andβsubunit(GLRB). Many of the point mutations and deletions in subunits altered chloride channel properties of mutated glycine receptors.


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

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