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Deficiency of electron-transfer chain enzymes in mitochondrial encephalomyopathies. Masashi TANAKA 1 , Takayuki OZAWA 1 1Department of Biomedical Chemistry, Faculty of Medicine, University of Nagoya pp.653-665
Published Date 1987/8/10
DOI https://doi.org/10.11477/mf.1431905916
  • Abstract
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Molecular abnormalities of mitochondrial elec-tron-transfer complexes were analyzed in tissues from patients with mitochondrial cytopathies using multiple approaches, i.e., enzyme activity measure-ment, spectrophotometry, EPR spectroscopy, im-munoblotting, immunoprecipitation, and immuno-histochemistry. The characteristic findings on analysis of the patients' mitochondria by these methods can be summarized as follows.

The contents of more than one subunit in the complex were decreased in all the patients studied.This is possibly due to the disturbance of the assembly of the whole complex caused by abnor-malities in some subunits which serve to anchor the complex to the inner membrane, resulting in a secondary deficiency of other subunits.


Copyright © 1987, 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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