In: Sleep, 2016, vol. 39, no. 6, p. 1305-1310
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In: Journal of Experimental Botany, 2012, vol. 63, no. 9, p. 3339-3351
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In: Nephrology Dialysis Transplantation, 2013, vol. 28, no. 10, p. 2421-2431
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In: Journal of Neuroendocrinology, 2010, p. -
Many daily cycles are imposed on us by our environment, such as alternating days and nights, temperature fluctuations or rhythms in food availability. When food is accessible every day at the same time, animals will adapt their physiology and behaviour to match the daily meal. They will anticipate the access to food by waking up and being active in the hours prior to feeding, foraging for food....
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In: Genes, Brain and Behavior, 2010, vol. 9, p. -
Animals fed daily at the same time exhibit circadian food-anticipatory activity (FAA), which has been suggested to be driven by one or several food-entrainable oscillators (FEOs). FAA is altered in mice lacking some circadian genes essential for timekeeping in the main suprachiasmatic clock (SCN). Here we confirmed that single mutations of clock genes Per1−/− and...
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In: Journal of Biological Rhythms, 2006, vol. 21(3), p. 169-176
In mammals, circadian rhythms in behavior and physiology are controlled by a central pacemaker, the SCN, and subordinated clocks throughout the body. On the molecular level, these clocks are based on transcriptional/translational feedback loops involving a set of clock genes that regulate their own transcription. Among the components driving the mammalian circadian clock are the Period 1...
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In: European Journal of Neuroscience, 2005, vol. 21(11), p. 2958
The suprachiasmatic nuclei (SCN) contain a major circadian pacemaker, which is regulated by photic and nonphotic stimuli. Although enkephalins are present in the SCN, their role in phase regulation of the pacemaker is largely unknown. The opioid agonist fentanyl, a homologue of morphine, is an addictive drug that induces phase shifts of circadian rhythms in hamsters. We observed that these phase...
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