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  1. 20721
    “…The suprachiasmatic nucleus (SCN) of the hypothalamus is the principal clock driving circadian rhythms of physiology and behavior that adapt mammals to environmental cycles. …”
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    Cryptochrome 1 as a state variable of the circadian clockwork of the suprachiasmatic nucleus: Evidence from translational switching
  2. 20722
    “…The circadian rhythms of hosts dictate an approximately 24 h transformation in the environment experienced by their gut microbiome. …”
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    Host circadian behaviors exert only weak selective pressure on the gut microbiome under stable conditions but are critical for recovery from antibiotic treatment
  3. 20723
    “…Animal behavior and management factors that influence behavior affect physiology and lactation performance. Circadian rhythms of core body temperature are a primary output of the master clock; however, core body temperature in early-lactation dairy cows showed poor fit to 24-h rhythms. …”
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    Relationship between body temperature and behavior of nonpregnant early-lactation dairy cows
  4. 20724
    “…Modified motion detectors can be used to monitor locomotor activity rhythms. We modified a commercial microwave-based detection device and validated the device by recording circadian and ultradian rhythms. …”
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    Validation of a microwave radar system for the monitoring of locomotor activity in mice
  5. 20725
    “…We focused on oscillatory activities in the 10 Hz frequency range, where parieto-occipital alpha and the centro-parietal mu rhythms have been described, as these rhythms have been associated with attention and social coordination processes respectively. …”
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    Oscillatory Brain Correlates of Live Joint Attention: A Dual-EEG Study
  6. 20726
    “…We found that mGluR1 activation in the early night produced phase advances in neural activity rhythms in the SCN, while activation in the late night produced phase delays. …”
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    Activation of mGluR1 negatively modulates glutamate-induced phase shifts of the circadian pacemaker in the mouse suprachiasmatic nucleus
  7. 20727
    por Bates, Keenan, Herzog, Erik D.
    Publicado 2020
    “…We explore the hypothesis that key maternal hormones synchronize daily rhythms in the fetus to regulate gestation duration. …”
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    Maternal-Fetal Circadian Communication During Pregnancy
  8. 20728
    “…The system can replicate lifestyle rhythms, such as meals, sleep, and oral clearance by saliva, making it an in vitro pseudo-oral cavity.…”
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    Fully Automated Bioreactor-Based pH-Cycling System for Demineralization: A Comparative Study with a Conventional Method
  9. 20729
    “…In contrast, single spikes exhibit additional coupling to gamma rhythms (30–100 Hz), particularly as animals leave a place field. …”
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    Theta and gamma rhythmic coding through two spike output modes in the hippocampus during spatial navigation
  10. 20730
    “…Furthermore, the independent rhythms were synchronized by medium change as an external stimulus. …”
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    Simultaneous monitoring of independent gene expression patterns in two types of cocultured fibroblasts with different color-emitting luciferases
  11. 20731
    “…BACKGROUND: It is widely accepted that circadian physiological rhythms of the fetus are affected by oscillators in the maternal brain that are coupled to the environmental light-dark (LD) cycle. …”
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    Maternal Feeding Controls Fetal Biological Clock
  12. 20732
    “…We also introduced a new software, Visorhythm, that can analyze the temporal variations in the beating rhythms and can chart correlograms displaying the oscillated rhythms. …”
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    Effective and Steady Differentiation of a Clonal Derivative of P19CL6 Embryonal Carcinoma Cell Line into Beating Cardiomyocytes
  13. 20733
    por Nakao, Atsuhito
    Publicado 2014
    “…Several parameters of the immune system exhibit oscillations with a period of approximately 24 hours that refers to “circadian rhythms.” Such daily variations in host immune system status might evolve to maximize immune reactions at times when encounters with pathogens are most likely to occur. …”
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    Temporal Regulation of Cytokines by the Circadian Clock
  14. 20734
    “…The central clock that dominates activity rhythms is entrained by light/dark cycles, whereas peripheral clocks regulating local metabolic rhythms are determined by feeding/fasting cycles. …”
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    Nutrients, Clock Genes, and Chrononutrition
  15. 20735
    “…Consequently, the mice rapidly phase shift under a jet lag paradigm and their behavior rhythms gradually deteriorate under constant condition. …”
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    Lhx1 maintains synchrony among circadian oscillator neurons of the SCN
  16. 20736
    “…Because the paralog NPAS2 can substitute for CLOCK in the suprachiasmatic nucleus (SCN), the master circadian pacemaker, CLOCK-deficient mice maintain circadian rhythms in behavior and in tissues in vivo. However, when isolated from the SCN, CLOCK-deficient peripheral tissues are reportedly arrhythmic, suggesting a fundamental difference in circadian clock function between SCN and peripheral tissues. …”
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    NPAS2 Compensates for Loss of CLOCK in Peripheral Circadian Oscillators
  17. 20737
    por Westermark, Pål O.
    Publicado 2016
    “…Circadian rhythms in transcription are generated by rhythmic abundances and DNA binding activities of transcription factors. …”
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    Linking Core Promoter Classes to Circadian Transcription
  18. 20738
    “…Circadian clocks generate 24-hr rhythms in physiology and behavior. Despite numerous studies, it is still uncertain how circadian rhythms emerge from their molecular and neural constituents. …”
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    PDF Signaling Is an Integral Part of the Drosophila Circadian Molecular Oscillator
  19. 20739
    “…The horseshoe crab, Limulus polyphemus, exhibits robust circadian and circatidal rhythms, but little is known about the molecular mechanisms underlying those rhythms. …”
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    The Draft Genome and Transcriptome of the Atlantic Horseshoe Crab, Limulus polyphemus
  20. 20740
    “…Circadian clocks are endogenous oscillators driving daily rhythms in physiology. The cell-autonomous clock is governed by an interlocked network of transcriptional feedback loops. …”
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    Timing of circadian genes in mammalian tissues
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