Cold Inducible RNA-binding protein (CIRBP) adjusts clock-gene expression and REM-sleep recovery after sleep deprivation

  1. Marieke MB Hoekstra
  2. Yann Emmenegger
  3. Jeffrey Hubbard
  4. Paul Franken  Is a corresponding author
  1. University of Lausanne, Switzerland

Abstract

Sleep depriving mice affects clock-gene expression, suggesting that these genes contribute to sleep homeostasis. The mechanisms linking extended wakefulness to clock-gene expression are, however, not well understood. We propose CIRBP to play a role because its rhythmic expression is i) sleep-wake driven and ii) necessary for high-amplitude clock-gene expression in vitro. We therefore expect Cirbp knock-out (KO) mice to exhibit attenuated sleep-deprivation induced changes in clock-gene expression, and consequently to differ in their sleep homeostatic regulation. Lack of CIRBP indeed blunted the sleep-deprivation incurred changes in cortical expression of Nr1d1 whereas it amplified the changes in Per2 and Clock. Concerning sleep homeostasis, KO mice accrued only half the extra REM sleep wild-type (WT) littermates obtained during recovery. Unexpectedly, KO mice were more active during lights-off which was accompanied with faster theta oscillations compared to WT mice. Thus, CIRBP adjusts cortical clock-gene expression after sleep deprivation and expedites REM-sleep recovery.

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Source data files underlying all figures have been provided.

The following previously published data sets were used

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Author details

  1. Marieke MB Hoekstra

    Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland
    Competing interests
    The authors declare that no competing interests exist.
    ORCID icon "This ORCID iD identifies the author of this article:" 0000-0003-0723-2026
  2. Yann Emmenegger

    Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland
    Competing interests
    The authors declare that no competing interests exist.
  3. Jeffrey Hubbard

    Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland
    Competing interests
    The authors declare that no competing interests exist.
  4. Paul Franken

    Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland
    For correspondence
    paul.franken@unil.ch
    Competing interests
    The authors declare that no competing interests exist.
    ORCID icon "This ORCID iD identifies the author of this article:" 0000-0002-2500-2921

Funding

Swiss National Science Foundation (146694)

  • Marieke MB Hoekstra

Etat de Vaud

  • Marieke MB Hoekstra
  • Yann Emmenegger
  • Jeffrey Hubbard
  • Paul Franken

The funders had no role in study design, data collection and interpretation, or the decision to submit the work for publication.

Ethics

Animal experimentation: All experiments were approved by the Ethical Committee of the State of Vaud Veterinary Office Switzerland under license VD2743 and 3201.

Copyright

© 2019, Hoekstra et al.

This article is distributed under the terms of the Creative Commons Attribution License permitting unrestricted use and redistribution provided that the original author and source are credited.

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  1. Marieke MB Hoekstra
  2. Yann Emmenegger
  3. Jeffrey Hubbard
  4. Paul Franken
(2019)
Cold Inducible RNA-binding protein (CIRBP) adjusts clock-gene expression and REM-sleep recovery after sleep deprivation
eLife 8:e43400.
https://doi.org/10.7554/eLife.43400

Share this article

https://doi.org/10.7554/eLife.43400

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