Physiological mechanism of the circadian rhythm
نویسندگان
چکیده
منابع مشابه
Effects of Circadian Rhythm on Physical and physiological Performance of Military forces- Narrative Review
The 2017 Nobel Prize for medicine was awarded the biological clock Scientist, which shows the importance of this phenomenon in the life of living organisms. The circadian Rhythm (CR) through the created internal “clock” is responsible for regulating the daily performance of different organs of the body. The central body clock is the key factor to creating and maintaining this CR. External optic...
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The circadian clock is involved with many aspects of biological processes in animals and plants. Melatonin is a pineal hormone which is known to play a widespread role in the biochemistry of the circadian clock. The present review addresses the clock and melatonin in relation to aging and cancer, which are important aspects of medicine and biochemistry. The literature contains a large variety o...
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Based on genetic and biochemical advances on the molecular mechanism of circadian rhythms, a computational model for the mammalian circadian clock is used to examine the dynamical bases of circadian-clock-related physiological disorders in humans. Entrainment by the light-dark cycle with a phase advance or a phase delay is associated with the Familial advanced sleep phase syndrome (FASPS) or th...
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Introduction: light intensity and duration are physical factors that affect hormone secretion and circadian rhythms. This study aimed to determine the effects of various light intensities on serum melatonin and cortisol levels. Materials and methods: This experimental study was carried out on 32 male rats: Group 1 as the control group, received a brightness of 150 lux, and groups 2, 3, and ...
متن کاملCircadian rhythm sleep disorders.
Circadian rhythm sleep disorders are common conditions manifested as misalignment between the sleep period and the physical/social 24-h environmental cycle. Delayed sleep phase (typical in adolescents) and advanced sleep phase (frequent in the elderly), situations in which the sleep period is displaced to a later or earlier time, respectively, are the two most prevalent circadian rhythm sleep d...
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ژورنال
عنوان ژورنال: Seibutsu Butsuri
سال: 1980
ISSN: 0582-4052,1347-4219
DOI: 10.2142/biophys.20.288