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Clock genes and circadian rhythms in the brain Sato HONMA 1 1Department of Physiology, Hokkaido University Graduate School of Medicine Keyword: 時計遺伝子 , 視交叉上核 , 神経ペプチド , 行動リズム pp.868-873
Published Date 2000/12/10
DOI https://doi.org/10.11477/mf.1431901198
  • Abstract
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The suprachiasmatic nucleus (SCN), a master clock of mammals, is composed of multiple neurons which have their own circadian oscillator. Therefore, integration within the SCN is critical for the expression of circadian rhythms in vivo. Recent findings suggest that circadian rhythm is generated within each oscillatory neuron through transcription-translation negative feedback loop of the clock genes, such as Per, Clock and BMAL1. Clock gene expression is also rhythmic in tissues outside the SCN.


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

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