Abstract Title:

Disruption of circadian rhythms and sleep in critical illness and its impact on innate immunity.

Abstract Source:

Curr Pharm Des. 2015 Jul 5. Epub 2015 Jul 5. PMID: 26144943

Abstract Author(s):

Viola Dengler, Kristin Westphalen, Michael Koeppen

Article Affiliation:

Viola Dengler


The earth rotates on its axis around the sun, creating a day and night cycle, that caused the development of circadian rhythms. The circadian rhythm is primarily entrained by light and to detected by retina. Retinal ganglion cells project to a part of the hypothalamus termed suprachiasmatic nucleus. Here, we find the master molecular clock, composed of a transcription-translation-loop at its core. The master clock indirectly influences the innate immune system via different biological systems. Also, the master clock controls the peripheral clocks, which are present in innate immune cells. Here, circadian rhythm proteins influence the response of immune cells to pathogens. Furthermore, the master clock influences our sleep-pattern, the most important restorative physiological function. In critically ill patients the circadian rhythm is substantially altered, supporting a dysfunctional innate immune response. This review discusses recent basic science findings on the interaction of the circadian rhythm and the innate immune system. Furthermore we give an outlook on potential future therapeutic strategies.

Study Type : Review
Additional Links
Additional Keywords : Immune Response : CK(3) : AC(3)

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Sayer Ji
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