A Circadian Sleep Disorder Reveals a Complex Clock

Emmanuel Mignot, Joseph S. Takahashi

Research output: Contribution to journalShort surveypeer-review

23 Scopus citations


Circadian rhythms are established by transcription of clock genes and autoregulatory transcriptional feedback loops. In this issue, Xu et al. (2007) characterize mice expressing a human Per2 mutation identified in patients with familial advanced sleep phase syndrome. Their results reveal that PER2 phosphorylation, by CK1δ and other kinases, is surprisingly complex and has opposite effects on PER2 levels and period length.

Original languageEnglish (US)
Pages (from-to)22-23
Number of pages2
Issue number1
StatePublished - Jan 12 2007

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)


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