Results 21 to 30 of about 86,709 (313)

Serotonin and circadian rhythms. [PDF]

Psychology & Neuroscience, 2010
All mammal behaviors and functions exhibit synchronization with environmental rhythms. This is accomplished through an internal mechanism that generates and modulates biological rhythms. The circadian timing system, responsible for this process, is formed by connected neural structures.
Pontes, André Luiz Bezerra de, Engelberth, Rovena Clara Galvão Januário, Nascimento Júnior, Expedito da Silva, Cavalcante, Judney Cley, Costa, Miriam Stela Maris de Oliveira, Pinato, Luciana, Toledo, Claudio Antonio Barbosa de, Cavalcante, Jeferson de Souza   +7 more
openaire   +5 more sources

Circadian rhythms

, 2020
Circadian rhythms are endogenous, near 24-hour oscillations that underlie nearly all facets of our health and behavior. The daily cycle of sleep and wake is the most conspicuous circadian-influenced behavior in humans.
Joyce, Daniel S., Zeitzer, Jamie M.
core   +1 more source

Voluntary exercise can strengthen the circadian system in aged mice [PDF]

, 2013
Consistent daily rhythms are important to healthy aging according to studies linking disrupted circadian rhythms with negative health impacts. We studied the effects of age and exercise on baseline circadian rhythms and on the circadian system's ability ...
I. Song, Lall, Gurprit S., Biello, S.M., Harrington, Mary E., S. M. Biello, Song, I., M. E. Harrington, Queenan, H., Harrington, M.E., H. Queenan, Lall, G. S., Biello, S. M., Zimmerman, E., Molyneux, P. C., Molyneux, P.C., T. L. Leise, Leise, T.L., E. Zimmerman, G. S. Lall, P. C. Molyneux, Lall, G.S., Leise, T. L.   +21 more
core   +1 more source

Dopamine 2 Receptor Activation Entrains Circadian Clocks in Mouse Retinal Pigment Epithelium

Scientific Reports, 2017
Many of the physiological, cellular, and molecular rhythms that are present within the eye are under the control of circadian clocks. Experimental evidence suggests that the retinal circadian clock, or its output signals (e.g., dopamine and melatonin ...
Kenkichi Baba, Jason P. DeBruyne, Gianluca Tosini   +2 more
doaj   +1 more source

Hepatic gene therapy rescues high-fat diet responses in circadian Clock mutant mice

Molecular Metabolism, 2017
Objective: Circadian Clock gene mutant mice show dampened 24-h feeding rhythms and an increased sensitivity to high-fat diet (HFD) feeding. Restricting HFD access to the dark phase counteracts its obesogenic effect in wild-type mice.
Judit Meyer-Kovac, Isa Kolbe, Lea Ehrhardt, Alexei Leliavski, Jana Husse, Gabriela Salinas, Thomas Lingner, Anthony H. Tsang, Johanna L. Barclay, Henrik Oster   +9 more
doaj   +1 more source

Arrhythmic perch hopping and rhythmic feeding of starlings in constant light: Separate circadian oscillators? [PDF]

, 1984
Perch hopping activity and food intake were recorded in starlings in different intensities of continuous illumination (LL), varying from 0.1 to 1000 lux. Circadian rhythmicity in perch hopping disappeared in 10 lux and all higher intensities. In contrast,
Gänshirt, G.,, Gerkema, M.P.,, GERKEMA, MP, Daan, S, Gerkema, M., Gerkema, M.P., GANSHIRT, G, Ganshirt, G., Daan, S., Daan, S.,   +9 more
core   +1 more source

Uncoupling the Mitogenic and Metabolic Functions of FGF1 by Tuning FGF1-FGF Receptor Dimer Stability

Cell Reports, 2017
Lysine acetylation is involved in various biological processes and is considered a key reversible post-translational modification in the regulation of gene expression, enzyme activity, and subcellular localization. This post-translational modification is
Zhifeng Huang, Florian Atger, Loïc Dayon, Antonio Núñez Galindo, Jingkui Wang, Eva Martin, Laetitia Da Silva, Ivan Montoliu, Sebastiano Collino, Francois-Pierre Martin, Joanna Ratajczak, Carles Cantó, Martin Kussmann, Felix Naef, Frédéric Gachon   +14 more
doaj   +1 more source

Circadian control of isoprene emissions from oil palm (Elaeis guineensis) [PDF]

, 2006
The emission of isoprene from the biosphere to the atmosphere has a profound effect on the Earth's atmospheric system. Until now, it has been assumed that the primary short-term controls on isoprene emission are photosynthetically active radiation and ...
Anthony Hall, Gould, Peter, Owen, Susan M., Hall, Anthony, Hartwell, James, Claudia Vickers, Michael J. Wilkinson, Wilkinson, Michael J., Hewitt, C. N., Hewitt, Nicholas, C. Nicholas Hewitt, Vickers, Claudia, Possell, Malcolm, Peter Gould, James Hartwell, Malcolm Possell, Susan M. Owen   +16 more
core   +1 more source

Exploitation of Outgoing and Incoming Telephone Calls in the Context of Circadian Rhythms of Social Activity Among Elderly People: Observational Descriptive Study

JMIR mHealth and uHealth, 2020
BackgroundIn the elderly population, analysis of the circadian rhythms of social activity may help in supervising homebound disabled and chronically ill populations.
Aubourg, Timothée, Demongeot, Jacques, Provost, Hervé, Vuillerme, Nicolas   +3 more
doaj   +1 more source

Circadian Rhythms in Plants [PDF]

Cold Spring Harbor Perspectives in Biology, 2019
The circadian oscillator is a complex network of interconnected feedback loops that regulates a wide range of physiological processes. Indeed, variation in clock genes has been implicated in an array of plant environmental adaptations, including growth regulation, photoperiodic control of flowering, and responses to abiotic and biotic stress.
Nicky, Creux, Stacey, Harmer
openaire   +2 more sources