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Genetic analysis of circadian rhythm sleep disorders Takashi Ebisawa 1 1Department of Sleep Disorder Research, Graduate School of Medicine, The University of Tokyo Keyword: 睡眠障害 , 体内時計 , 遺伝子 , 多型 pp.739-747
Published Date 2006/10/10
DOI https://doi.org/10.11477/mf.1431100394
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 Genetic analysis of circadian rhythm sleep disorders, such as familial advanced sleep phase syndrome(FASPS)and delayed sleep phase syndrome(DSPS), revealed the association of the disorders and variations in clock genes. Two of the kindreds of FASPS are reportedly caused by mutations in Per2 gene or Casein Kinase1 delta(CKδ)gene, respectively, although the causative mutations for other kindreds are not yet known. As for delayed sleep phase syndrome, missense variations in Per3 and CK1ε genes are known as risk or protective factors, respectively. All of the variations described above seem to affect the phosphorylation status of the clock proteins. Recent study using the mathematical model of circadian rhythm generator brought a new insight into the role of phosphorylation in the molecular process of the disorders.


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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