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Sleep Med Clin. 2015 Dec;10(4):413-21. doi: 10.1016/j.jsmc.2015.08.007.

Genetics of Circadian Rhythms.

Author information

1
Department of Neurobiology, Northwestern University, 2205 Tech Drive, Evanston, IL 60208, USA.
2
Department of Neurobiology, Northwestern University, 2205 Tech Drive, Evanston, IL 60208, USA. Electronic address: r-allada@northwestern.edu.

Abstract

Nearly all organisms exhibit time-dependent behavior and physiology across a 24-hour day known as circadian rhythms. These outputs are manifestations of endogenous cyclic gene expression patterns driven by the activity of a core transcription/translation feedback loop. Cyclic gene expression determines highly tissue-specific functional activity regulating such processes as metabolic state, endocrine activity, and neural excitability. Entrainment of these cellular clocks is achieved through exogenous daily inputs, such as light and food. Dysregulation of the transcription/translation feedback loop has been shown to result in a wide range of disorders and diseases driving increased interest in circadian therapies.

KEYWORDS:

Circadian; Clock; Entrainment; Genetics

PMID:
26568119
PMCID:
PMC4758938
DOI:
10.1016/j.jsmc.2015.08.007
[Indexed for MEDLINE]
Free PMC Article

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