Article ; Online: Circadian modification network of a core clock driver BMAL1 to harmonize physiology from brain to peripheral tissues.
2018 Volume 119, Page(s) 11–16
Abstract: Circadian clocks dictate various physiological functions by brain SCN (a central clock) -orchestrating the temporal harmony of peripheral clocks of tissues/organs in the whole body, with adaptability to environments by resetting their timings. ... ...
Abstract | Circadian clocks dictate various physiological functions by brain SCN (a central clock) -orchestrating the temporal harmony of peripheral clocks of tissues/organs in the whole body, with adaptability to environments by resetting their timings. Dysfunction of this circadian adaptation system (CAS) occasionally causes/exacerbates diseases. CAS is based on cell-autonomous molecular clocks, which oscillate via a core transcriptional/translational feedback loop with clock genes/proteins, e.g., BMAL1: CLOCK circadian transcription driver and CRY1/2 and PER1/2 suppressors, and is modulated by various regulatory loops including clock protein modifications. Among mutants with a single clock gene, BMAL1-deficient mice exhibit the most drastic loss of circadian functions. Here, we highlight on numerous circadian protein modifications of mammalian BMAL1, e.g., multiple phosphorylations, SUMOylation, ubiquitination, acetylation, O-GlcNAcylation and S-nitrosylation, which mutually interplay to control molecular clocks and coordinate physiological functions from the brain to peripheral tissues through the input and output of the clocks. |
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MeSH term(s) | ARNTL Transcription Factors/metabolism ; Animals ; Brain/metabolism ; CLOCK Proteins/metabolism ; Circadian Clocks/physiology ; Circadian Rhythm/physiology ; Humans ; Period Circadian Proteins/metabolism |
Chemical Substances | ARNTL Transcription Factors ; Period Circadian Proteins ; CLOCK Proteins (EC 2.3.1.48) |
Language | English |
Publishing date | 2018-01-03 |
Publishing country | England |
Document type | Journal Article ; Review |
ZDB-ID | 283190-9 |
ISSN | 1872-9754 ; 0197-0186 |
ISSN (online) | 1872-9754 |
ISSN | 0197-0186 |
DOI | 10.1016/j.neuint.2017.12.013 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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