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  1. 23221
    “…Circadian rhythms are regulated at the cellular level by transcriptional feedback loops leading to oscillations in expression of key proteins including CLOCK, BMAL1, PERIOD (PER), and CRYPTOCHROME (CRY). …”
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    Direct Regulation of CLOCK Expression by REV-ERB
  2. 23222
    “…BACKGROUND: The plant circadian clock orchestrates 24-hour rhythms in internal physiological processes to coordinate these activities with daily and seasonal changes in the environment. …”
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    Coordination of the maize transcriptome by a conserved circadian clock
  3. 23223
    “…MicroRNAs (miRNAs) interact with 3′ untranslated region (UTR) elements of target genes to regulate mRNA stability or translation and thus play a role in regulating many different biological processes, including circadian rhythms. However, specific miRNAs mediating the regulation of essential clock genes remain largely unknown. …”
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    Expression and Rhythmic Modulation of Circulating MicroRNAs Targeting the Clock Gene Bmal1 in Mice
  4. 23224
    por Mao, Liang
    Publicado 2011
    “…The results suggest that appropriate extensions of the regular two-day weekend can be a potential measure to fight against influenza outbreaks, while minimizing interruptions on normal rhythms of socio-economy. The concept of weekend extension would be particularly useful if there were a lack of vaccine stockpiles, e.g., in countries with limited health resources, or in the case of unknown emerging infectious diseases.…”
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    Agent-based simulation for weekend-extension strategies to mitigate influenza outbreaks
  5. 23225
    “…The adult mammalian brain is composed of distinct regions with specialized roles including regulation of circadian clocks, feeding, sleep/awake, and seasonal rhythms. To find quantitative differences of expression among such various brain regions, we conducted the BrainStars (B*) project, in which we profiled the genome-wide expression of ∼50 small brain regions, including sensory centers, and centers for motion, time, memory, fear, and feeding. …”
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    Quantitative Expression Profile of Distinct Functional Regions in the Adult Mouse Brain
  6. 23226
    “…This article also reviews therapeutic strategies used when initial treatment fails, and describes briefly new concepts in antidepressant therapies such as the regulation of disturbances in circadian rhythms. The treatment of depressive illness does not stop with treatment of acute episodes, and has to be envisaged as a continuous therapeutic intervention, of which we are still not able to determine the optimal duration of treatment and the moment that it should be ceased.…”
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    Treatments in depression
  7. 23227
    “…BACKGROUND: The mammalian brain expresses a wide range of state-dependent network oscillations which vary in frequency and spatial extension. Such rhythms can entrain multiple neurons into coherent patterns of activity, consistent with a role in behaviour, cognition and memory formation. …”
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    Selective Coupling between Theta Phase and Neocortical Fast Gamma Oscillations during REM-Sleep in Mice
  8. 23228
    “…It is largely unknown how the animal CRYs that regulate circadian rhythms act on their substrates. CRYs contain a variable C-terminal tail that appends the conserved PL homology domain (PHD) and is important for function (7; 8; 9; 10; 11; 12). …”
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    Structure of Full-length Drosophila Cryptochrome
  9. 23229
    “…In addition, the neurotransmitters that ensure the intercellular coupling, and thereby the synchronization of the cellular rhythms, differ between the two main regions of the SCN. …”
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    Effect of Network Architecture on Synchronization and Entrainment Properties of the Circadian Oscillations in the Suprachiasmatic Nucleus
  10. 23230
    “…Here we report sequencing and analysis of the NMR genome, which revealed unique genome features and molecular adaptations consistent with cancer resistance, poikilothermy, hairlessness, altered visual function, circadian rhythms and taste sensing, and insensitivity to low oxygen. …”
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    Genome sequencing reveals insights into physiology and longevity of the naked mole rat
  11. 23231
    “…As is well known, retroviruses such as the Moloney murine leukemia virus (MoMLV) require cell division to integrate into the host genome and replicate, whereas the target primary cells for reprogramming are a mixture of several cell types with different cell cycle rhythms. Whether cell cycle synchronization has potential effect on retrovirus induced reprogramming has not been detailed. …”
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    Serum Starvation Induced Cell Cycle Synchronization Facilitates Human Somatic Cells Reprogramming
  12. 23232
    “…In a forward-genetic screen, we uncovered a new component of the circadian output pathway, which we have termed dyschronic (dysc). dysc mutants exhibit arrhythmic locomotor behavior, yet their eclosion rhythms are normal and clock protein cycling remains intact. …”
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    dyschronic, a Drosophila Homolog of a Deaf-Blindness Gene, Regulates Circadian Output and Slowpoke Channels
  13. 23233
    “…However, the same clock genes underlying circadian rhythms at the cellular level in SCN cells are also common to target cell populations of the SCN, including the GnRH neuronal network. …”
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    Circadian Control of Neuroendocrine Circuits Regulating Female Reproductive Function
  14. 23234
    “…All the patients underwent abdominal computed tomography scans and hormonal assays, including assessment of circadian rhythms of plasma cortisol and corticotropin (adrenocorticotropic hormone, ACTH), a corticotropin stimulation test, and low-dose and high-dose dexamethasone tests. …”
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    Clinical Usefulness of Corticotropin Releasing Hormone Testing in Subclinical Cushing's Syndrome for Predicting Cortisol Replacement after Adrenalectomy
  15. 23235
    “…Although distractor frequencies reliably biased response cycle times, this imitation bias was only a small fraction of the modulations in distractor speed, as well as of the modulations produced when participants intentionally imitated the observed rhythms. Importantly, this bias was not only present for compatible actions, but was also found, though numerically reduced, when distractor and executed actions were different (e.g., tooth brushing vs. window wiping), or when the dominant plane of movement was different (horizontal vs. vertical). …”
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    Automatic Imitation in Rhythmical Actions: Kinematic Fidelity and the Effects of Compatibility, Delay, and Visual Monitoring
  16. 23236
    “…The study of leaf growth movement rhythms in mature plants under biological relevant conditions, e.g. diurnal light and dark conditions, is therefore problematic. …”
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    OSCILLATOR: A system for analysis of diurnal leaf growth using infrared photography combined with wavelet transformation
  17. 23237
    “…This study represents the first characterization of clock genes in an ant and is a key step towards understanding socially-regulated plasticity in circadian rhythms by facilitating comparative studies on the organization of circadian clockwork.…”
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    The Molecular Clockwork of the Fire Ant Solenopsis invicta
  18. 23238
    “…BACKGROUND: The PER1 circadian-clock gene plays an important role in the regulation of many normal physiological rhythms in vivo. It has been revealed recently that abnormal expression of PER1 correlates closely with the occurrence and development of many cancers. …”
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    Abnormal expression of PER1 circadian-clock gene in oral squamous cell carcinoma
  19. 23239
    “…Physiologically, this sensory system regulates the photoentrainment of many biological rhythms, such as sleep via the melatonin endocrine system and pupil constriction. …”
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    Evolution and Functional Characterisation of Melanopsins in a Deep-Sea Chimaera (Elephant Shark, Callorhinchus milii)
  20. 23240
    “…A characteristic feature of the hippocampal region is its expression of different electrical population rhythms and activities during different brain states. …”
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    The Influence of Cold Temperature on Cellular Excitability of Hippocampal Networks
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