- The Effect of Photoperiod and Melatonin Injection on Serotonergic Immunoreactivity in Rat Brain Stem
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Kim MS, Jeon SW, Lee CH
- KMID: 2224521
- Korean J Anat.
- 2003 Dec;36(6):537-547.
These experiments were performed to investigate the effect of photoperiod and melatonin on serotonergic immunoreactivity in rat brain stem. The animals were injected with melatonin (1 mg/kg, i.p.) after light... -
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- Influence of various photoperiods on stress hormone production, immune function, and hematological parameters in ICR mice
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Park SH, Kim IG, Kim HC, Gang MJ, Son SE, Lee HJ
- KMID: 1807799
- Korean J Vet Res.
- 2015 Jun;55(2):111-116.
- doi: 10.14405/kjvr.2015.55.2.111
In the present study, the effects of different photoperiods on stress, immunity, and hematological parameters in ICR mice were evaluated. Fifty male ICR mice 7 weeks old (body weight, 27.3... -
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- Biological Rhythm in Livestock
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Giuseppe P, Giovanni C
- KMID: 1095114
- J Vet Sci.
- 2002 Sep;3(3):145-157.
The animal time structure is a basic fact of life, no matter if one wants to study it or not. The time- dependent, mostly rhythmic, and thus to a certain... -
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- Human Circadian Rhythms
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Lee H, Cho CH, Kim L
- KMID: 2317590
- Sleep Med Psychophysiol.
- 2014 Dec;21(2):51-60.
- doi: 10.14401/KASMED.2014.21.2.51
A 'circadian rhythm' is a self-sustained biological rhythm (cycle) that repeats itself approximately every 24 hours. Circadian rhythms are generated by an internal clock, or pacemaker, and persist even in... -
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- Menstruation and Sleep
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Park DH
- KMID: 2317377
- Sleep Med Psychophysiol.
- 2002 Dec;9(2):81-85.
There are several factors which are more likely to have sleep disorders in fertile women with menstruation than adult men. Menstrual cycle plays an important role in them. We describe... -
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- The Effects of Illumination to Experimentally Induced Refractive Errors in the Chick
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Cho E, Jin Y
- KMID: 2127737
- J Korean Ophthalmol Soc.
- 2000 Oct;41(10):2090-2098.
The effects of different luminance levels and light sources to emmetropization in the chick were investigaed. One-day-old, forty chicks were reared under condition of unilateral visual deprivation with translucent goggle.... -
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- Rodent Models of Diet-induced Obesity
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Koh G
- KMID: 2328210
- Korean J Obes.
- 2016 Jun;25(2):45-49.
- doi: 10.7570/kjo.2016.25.2.45
The prevalence of obesity is rapidly increasing worldwide, and its complications such as type 2 diabetes and cardiovascular disease are also increasing. To avoid long-term damage caused by obesity and... -
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- The Influence of Acute Cerebral Infarction on the Circadian Rhythm of Melatonin Secretion
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Lee JY, Moon JS, Han BG, Yang HD, Kwon JB, Lee SI, Lee SS
- KMID: 2342898
- J Korean Neurol Assoc.
- 2001 Jul;19(4):359-363.
BACKGROUND: The circadian rhythm of circulating melatonin is regulated by the endogenous oscillators, the suprachi-asmatic nuclei, and entrained by the light-dark cycle of the environment, but it seems that the... -
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- Delay in Normalization of Disrupted Sleep-Wake Cycle in Mice as a Bipolar Disorder-Prone Animal Model (Bipolar Disorder-Prone Animal Model)
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Kim SY, Moon E, Jeong HJ, Lee YM, Lee BD, Park JM
- KMID: 2351547
- J Korean Neuropsychiatr Assoc.
- 2016 Aug;55(3):209-214.
- doi: 10.4306/jknpa.2016.55.3.209
OBJECTIVES: This study was designed to test the hypothesis that delayed recovery from disrupted circadian rhythm is associated with both manic and depressive episodes in bipolar disorder. METHODS: Twenty-two male mice... -
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- Effects of Physical Activity and Melatonin in a Rat Model of Depression Induced by Chronic Stress
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Seong HH, Jung SM, Kim SW, Kim YJ
- KMID: 2149299
- J Korean Biol Nurs Sci.
- 2015 Feb;17(1):37-43.
- doi: 10.7586/jkbns.2015.17.1.37
PURPOSE: Stress, depending on its intensity and duration, results in either adaptive or maladaptive physiological and psychological changes in humans. Also, it was found that stressful experiences increase the signs... -
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- Delay in the Recovery of Normal Sleep-Wake Cycle after Disruption of the Light-Dark Cycle in Mice: A Bipolar Disorder-Prone Animal Model?
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Jung SH, Park JM, Moon E, Chung YI, Lee BD, Lee YM, Kim JH, Kim SY, Jeong HJ
- KMID: 2316378
- Psychiatry Investig.
- 2014 Oct;11(4):487-491.
- doi: 10.4306/pi.2014.11.4.487
OBJECTIVE: Disruption of the circadian rhythm is known as a provoking factor for manic episodes. Individual differences exist in the recovery rate from disruption in the general population. To develop... -
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- Circadian Polymorphisms in Night Owls, in Bipolars, and in Non-24-Hour Sleep Cycles
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Kripke DF, Klimecki W, Nievergelt CM, Rex KM, Murray SS, Shekhtman , Tranah GJ, Loving RT, Lee HJ, Rhee MK, Shadan FF, Poceta JS, Jamil SM, Kline LE, Kelsoe JR
- KMID: 2316361
- Psychiatry Investig.
- 2014 Oct;11(4):345-362.
- doi: 10.4306/pi.2014.11.4.345
People called night owls habitually have late bedtimes and late times of arising, sometimes suffering a heritable circadian disturbance called delayed sleep phase syndrome (DSPS). Those with DSPS, those with... -
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