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Pathochemistry and treatment in the inherited degenerative brain disorders: With reference to the studies of Krabbe globoid cell leukodystrophy. Yoshikatsu ETO 1 , Fusayo UMEZAWA 1 , Hiroyuki IDA 1 , Akira OKUNO 1 1Department of Pediatrics, Tokyo Jikei University School of Medicine pp.1062-1071
Published Date 1988/12/10
DOI https://doi.org/10.11477/mf.1431906254
  • Abstract
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 Krabbe's globoid cell leukodystrophy is characterized by severe demyelination in the white matter. The cause of devastating white matter is unknown, but psychosine might be responsible for this phenomenon, since psychosine is known to be cytotoxic and acts as a hemolytic agent. In this investigation, psychosine was added to mouse dissociated neural cell culture or explanted dorsal root ganglion cell culture in a concentration of 12.5 n moles/ml medium and chased the morphological changes of neurotoxicity by the addition of psychosine. The addition of psychosine in these neuronal cell cultures produced loss of cells, abnormal shapes of mitochondria such as ballooning and irregular, and loss of cytoskeleton system which could be identified by phase contrast microscopy, immunochemistry with anti-neurofilament antibody and electron microscopy. These data suggest that psychosine affects on mitochondrial membraneand then proceeds to cell dysfunction.


Copyright © 1988, 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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