Journal
JOURNAL OF ENDOCRINOLOGY
Volume 247, Issue 1, Pages R13-R25Publisher
BIOSCIENTIFICA LTD
DOI: 10.1530/JOE-20-0124
Keywords
circadian clock; energy metabolism; stress; chronic stress; glucocorticoids
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Funding
- German Research Foundation (DFG) [HO353-7/1, HO353-10/1, GRK-1957]
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Endogenous circadian clocks adapt an organism's physiology and behavior to predictable changes in the environment as a consequence of the Earth's rotation around its axis. In mammals, circadian rhythms are the output of a ubiquitous network of cellular timers coordinated by a hypothalamic master pacemaker. Circadian clock function is closely connected to the stress response system which has evolved to ensure survival under less predictable situations of danger. Disruptions in both of these functions are highly prevalent in modern society and have been linked to pathologic alterations in metabolic setpoints, promoting overeating, obesity, and type-2 diabetes. This paper describes the different levels of interaction between the circadian clock and acute and chronic stress responses. It summarizes studies assessing clock-stress crosstalk in the context of metabolic homeostasis and outlines options to use this interaction for diagnostic and therapeutic measures targeting metabolic health and well-being in the highly chronodisruptive environment of modern 24-h globalized societies.
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