scholarly journals Metabolic disturbances: role of the circadian timing system and sleep

2016 ◽  
Vol 8 (1) ◽  
pp. 14-22 ◽  
Author(s):  
Navin Adhikary ◽  
Santosh Lal Shrestha ◽  
Jia Zhong Sun
Keyword(s):  
Metabolic Disturbances ◽  
Circadian Timing ◽  
Timing System ◽  
Circadian Timing System

scholarly journals Role of the renal circadian timing system in maintaining water and electrolytes homeostasis

2012 ◽  
Vol 349 (1) ◽  
pp. 51-55 ◽  
Author(s):  
Dmitri Firsov ◽  
Natsuko Tokonami ◽  
Olivier Bonny
Keyword(s):  
Circadian Timing ◽  
Timing System ◽  
Circadian Timing System

scholarly journals Circadian rhythms and reproduction

Reproduction ◽  
2006 ◽  
Vol 132 (3) ◽  
pp. 379-392 ◽  
Author(s):  
Michael J Boden ◽  
David J Kennaway
Keyword(s):  
Circadian Rhythms ◽  
Reproductive Performance ◽  
Clock Genes ◽  
Strain Differences ◽  
Reproductive Function ◽  
Circadian Timing ◽  
Wide Range ◽  
Timing System ◽  
Circadian Timing System

There is a growing recognition that the circadian timing system, in particular recently discovered clock genes, plays a major role in a wide range of physiological systems. Microarray studies, for example, have shown that the expression of hundreds of genes changes many fold in the suprachiasmatic nucleus, liver heart and kidney. In this review, we discuss the role of circadian rhythmicity in the control of reproductive function in animals and humans. Circadian rhythms and clock genes appear to be involved in optimal reproductive performance, but there are sufficient redundancies in their function that many of the knockout mice produced do not show overt reproductive failure. Furthermore, important strain differences have emerged from the studies especially between the variousClock(CircadianLocomotorOutputCycleKaput) mutant strains. Nevertheless, there is emerging evidence that the primary clock genes,ClockandBmal1(Brain andMuscleARNT-like protein 1, also known asMop3), strongly influence reproductive competency. The extent to which the circadian timing system affects human reproductive performance is not known, in part, because many of the appropriate studies have not been done. With the role ofClockandBmal1in fertility becoming clearer, it may be time to pursue the effect of polymorphisms in these genes in relation to the various types of infertility in humans.

Role of the suprachiasmatic nuclei in the circadian timing system of the squirrel monkey. I. The generation of rhythmicity

1984 ◽  
Vol 300 (2) ◽  
pp. 275-284 ◽  
Author(s):  
H. Elliott Albers ◽  
Ralph Lydic ◽  
Philippa H. Gander ◽  
Martin C. Moore-Ede
Keyword(s):  
Squirrel Monkey ◽  
Suprachiasmatic Nuclei ◽  
Circadian Timing ◽  
Timing System ◽  
Circadian Timing System

scholarly journals The challenges of adolescent sleep

2020 ◽  
Vol 10 (3) ◽  
pp. 20190080 ◽  
Author(s):  
Gaby Illingworth
Keyword(s):  
Developmental Period ◽  
Sleep Health ◽  
Insufficient Sleep ◽  
Cognitive Health ◽  
Circadian Timing ◽  
Timing System ◽  
Adolescent Sleep ◽  
Circadian Timing System ◽  
Exogenous Factors ◽  
Adolescent Functioning

Sleep is vital for our physical, emotional and cognitive health. However, adolescents face many challenges where their sleep is concerned. This is reflected in their sleep patterns including the timing of their sleep and how much sleep they achieve on a regular basis: their sleep is characteristically delayed and short. Notably, insufficient sleep is associated with impairments in adolescent functioning. Endogenous and exogenous factors are known to affect sleep at this age. Alterations in the bioregulation of sleep, comprising the circadian timing system and the sleep/wake homeostatic system, represent the intrinsic mechanisms at work. Compounding this, environmental, psychosocial and lifestyle factors may contribute to shortened sleep. This review discusses the amount of sleep gained by adolescents and its implications, the challenges to adolescent sleep and the interventions introduced in an effort to prioritize sleep health in this important developmental period.

The circadian timing system in ethanol consumption and dependence.

2014 ◽  
Vol 128 (3) ◽  
pp. 371-386 ◽  
Author(s):  
Amanda S. Damaggio ◽  
Michael R. Gorman
Keyword(s):  
Ethanol Consumption ◽  
Circadian Timing ◽  
Timing System ◽  
Circadian Timing System

Visualizing jet lag in the mouse suprachiasmatic nucleus and peripheral circadian timing system

2009 ◽  
Vol 29 (1) ◽  
pp. 171-180 ◽  
Author(s):  
Alec J. Davidson ◽  
Oscar Castanon-Cervantes ◽  
Tanya L. Leise ◽  
Penny C. Molyneux ◽  
Mary E. Harrington
Keyword(s):  
Suprachiasmatic Nucleus ◽  
Jet Lag ◽  
Circadian Timing ◽  
Timing System ◽  
Circadian Timing System
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