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Omics Approaches in Sleep-Wake Regulation

  • Emma K. O’Callaghan
  • Edward W. Green
  • Paul Franken
  • Valérie Mongrain
Chapter
Part of the Handbook of Experimental Pharmacology book series

Abstract

Although sleep seems an obvious and simple behaviour, it is extremely complex involving numerous interactions both at the neuronal and the molecular levels. While we have gained detailed insight into the molecules and neuronal networks responsible for the circadian organization of sleep and wakefulness, the molecular underpinnings of the homeostatic aspect of sleep regulation are still unknown and the focus of a considerable research effort. In the last 20 years, the development of techniques allowing the simultaneous measurement of hundreds to thousands of molecular targets (i.e. ‘omics’ approaches) has enabled the unbiased study of the molecular pathways regulated by and regulating sleep. In this chapter, we will review how the different omics approaches, including transcriptomics, epigenomics, proteomics, and metabolomics, have advanced sleep research. We present relevant data in the framework of the two-process model in which circadian and homeostatic processes interact to regulate sleep. The integration of the different omics levels, known as ‘systems genetics’, will eventually lead to a better understanding of how information flows from the genome, to molecules, to networks, and finally to sleep both in health and disease.

Keywords

Circadian timing system Epigenomics Metabolomics Proteomics Sleep homeostasis Transcriptomics 

Notes

Acknowledgements

The authors want to thank M. Freyburger, R. Massart, L. Boureau, and A. Blanchet-Cohen for their help in producing the data included in Fig. 2.

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Emma K. O’Callaghan
    • 1
    • 2
  • Edward W. Green
    • 3
  • Paul Franken
    • 4
  • Valérie Mongrain
    • 1
    • 2
  1. 1.Center for Advanced Research in Sleep Medicine and Research CenterHôpital du Sacré-Coeur de MontréalMontrealCanada
  2. 2.Department of NeuroscienceUniversité de MontréalMontrealCanada
  3. 3.German Cancer Research Center (DKFZ)HeidelbergGermany
  4. 4.Center for Integrative GenomicsUniversity of LausanneLausanneSwitzerland

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