Evidence map›Paper›PMID 26564124›Full record

ArticleSleep2016

Altered Sleep Homeostasis in Rev-erbα Knockout Mice.

Géraldine M Mang, Francesco La Spada, Yann Emmenegger, Sylvie Chappuis, Jürgen A Ripperger, Urs Albrecht, Paul Franken

Open access · bronzeAbstract read
In one paragraph

Article in Sleep, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.

0numbers the graph read from it
0cells of the map it votes in
35citing papers in PubMed
3.2field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

35 citing papers in PubMed, 70 citations in OpenAlex.

  1. Article
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  14. Article
  15. Review
  16. Brain Clocks, Sleep, and Mood.Advances in experimental medicine and biology · 2021
    Review
  17. Circadian Clocks, Sleep, and Metabolism.Advances in experimental medicine and biology · 2021
    Article
  18. Article
  19. Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 2 institutions in 1 country.

Géraldine M MangCenter for Integrative Genomics, University of Lausanne, Lausanne, Switzerland.
Francesco La SpadaCenter for Integrative Genomics, University of Lausanne, Lausanne, Switzerland.
Yann EmmeneggerCenter for Integrative Genomics, University of Lausanne, Lausanne, Switzerland.
Sylvie ChappuisFaculty of Science, Department of Biology, Biochemistry, University of Fribourg, Fribourg, Switzerland.
Jürgen A RippergerFaculty of Science, Department of Biology, Biochemistry, University of Fribourg, Fribourg, Switzerland.
Urs AlbrechtFaculty of Science, Department of Biology, Biochemistry, University of Fribourg, Fribourg, Switzerland.
Paul FrankenCenter for Integrative Genomics, University of Lausanne, Lausanne, Switzerland.
University of Lausanne · CHUniversity of Fribourg · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

STUDY

objectivesThe nuclear receptor REV-ERBα is a potent, constitutive transcriptional repressor critical for the regulation of key circadian and metabolic genes. Recently, REV-ERBα's involvement in learning, neurogenesis, mood, and dopamine turnover was demonstrated suggesting a specific role in central nervous system functioning. We have previously shown that the brain expression of several core clock genes, including Rev-erbα, is modulated by sleep loss. We here test the consequences of a loss of REV-ERBα on the homeostatic regulation of sleep.

methodsEEG/EMG signals were recorded in Rev-erbα knockout (KO) mice and their wild type (WT) littermates during baseline, sleep deprivation, and recovery. Cortical gene expression measurements after sleep deprivation were contrasted to baseline.

resultsAlthough baseline sleep/wake duration was remarkably similar, KO mice showed an advance of the sleep/wake distribution relative to the light-dark cycle. After sleep onset in baseline and after sleep deprivation, both EEG delta power (1-4 Hz) and sleep consolidation were reduced in KO mice indicating a slower increase of homeostatic sleep need during wakefulness. This slower increase might relate to the smaller increase in theta and gamma power observed in the waking EEG prior to sleep onset under both conditions. Indeed, the increased theta activity during wakefulness predicted delta power in subsequent NREM sleep. Lack of Rev-erbα increased Bmal1, Npas2, Clock, and Fabp7 expression, confirming the direct regulation of these genes by REV-ERBα also in the brain.

conclusionsOur results add further proof to the notion that clock genes are involved in sleep homeostasis. Because accumulating evidence directly links REV-ERBα to dopamine signaling the altered homeostatic regulation of sleep reported here are discussed in that context.

Indexed as

HomeostasisAnimalsARNTL Transcription FactorsBasic Helix-Loop-Helix ProteinsCircadian RhythmCLOCK ProteinsDopamineElectroencephalographyFatty Acid-Binding Protein 7Gene ExpressionMaleMiceMice, KnockoutNerve Tissue ProteinsNuclear Receptor Subfamily 1, Group D, Member 1Signal TransductionARNTL Transcription FactorsBasic Helix-Loop-Helix ProteinsBmal1 protein, mouseClock protein, mouseCLOCK ProteinsDopamineFabp7 protein, mouseFatty Acid-Binding Protein 7Nerve Tissue ProteinsNpas2 protein, mouseNuclear Receptor Subfamily 1, Group D, Member 1clock genesdepressionmoodneurogenesisProcess Sslow wave activity.

Identifiers

PMID26564124
PMCPMC4763348
OpenAlexW2318616556

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.