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Down syndrome and brain aging. Sachio TAKASHIMA 1 , Yasuhiro ARAI 1 , Akira OKA 1 , Kozo MOTONAGA 1 , Kazukiyo ONODERA 1 1Department of Mental Retardation Birth Defect Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry Keyword: ダウン症候群 , アルツハイマー病 , 染色体異常 , アミロイド前駆体蛋白 pp.844-853
Published Date 1998/10/10
DOI https://doi.org/10.11477/mf.1431900896
  • Abstract
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Down syndrome is caused by trisomy of chromosome 21 presenting the characteristic clinical symptoms of mental retardation and precocious dementia, and the neuropathology of neuronal synaptic reduction and early appearance of senile plaques and neurofibrillary degeneration. The brains of this disease were longitudinally studied on development and aging, and the gene proteins of chromosome 21 showed abnormal developmental and aging patterns with their correlationships. In addition, new model mice Ts65Dn with Down-obligate region were found and may greatly contribute to find preventive methods of dementia.


Copyright © 1998, 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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