Genetic insights on sleep schedules: this time, it's PERsonal.
Genetic insights on sleep schedules: this time, it's PERsonal.
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DOI:
10.1016/j.tig.2012.08.002
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发表时间:
2012-12
影响因子:
11.4
通讯作者:
Fu, Ying-Hui
中科院分区:
文献类型:
--
作者:
Chong, S. Y. Christin;Ptacek, Louis J.;Fu, Ying-Hui
关键词:
The study of circadian rhythms is emerging as a fruitful opportunity for understanding cellular mechanisms that govern human physiology and behavior, as fueled by evidence directly linking sleep disorders and genetic mutations affecting circadian molecular pathways. Familial Advanced Sleep Phase Disorder (FASPD) is the first recognized Mendelian circadian rhythm trait, and affected individuals exhibit exceptionally early sleep-wake onset due to altered post-translational regulation of period homolog 2 (PER2). Behavioral and cellular circadian rhythms are analogously affected, as the circadian period length of behavior is reduced in the absence of environmental time cues, and cycle duration of the molecular clock is likewise shortened. In light of these findings, we review the PER2 dynamics in the context of circadian regulation to reveal the mechanism of sleep schedule modulation. Understanding PER2 regulation and functionality may shed new light on how our genetic composition can influence our sleep-wake behaviors.
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