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Cycle dynamics and synchronization in a coupled network of peripheral circadian clocks. | LitMetric

Cycle dynamics and synchronization in a coupled network of peripheral circadian clocks.

Interface Focus

Université Côte d'Azur, Inria, INRAE, CNRS, Sorbonne Université, Biocore team, Sophia Antipolis, France.

Published: June 2022

AI Article Synopsis

Article Abstract

The intercellular interactions between peripheral circadian clocks, located in tissues and organs other than the suprachiasmatic nuclei of the hypothalamus, are still very poorly understood. We propose a theoretical and computational study of the coupling between two or more clocks, using a calibrated, reduced model of the circadian clock to describe some synchronization properties between peripheral cellular clocks. Based on a piecewise linearization of the dynamics of the mutual CLOCK:BMAL1/PER:CRY inactivation term, we suggest a segmentation of the circadian cycle into six stages, to help analyse different types of synchronization between two clocks, including single stage duration, total period and maximal amplitudes. Finally, our model reproduces some recent experimental results on the effects of different regimes of time-restricted feeding in liver circadian clocks of mice.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9010852PMC
http://dx.doi.org/10.1098/rsfs.2021.0087DOI Listing

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