Cited by 292Sleep and Wakefulness ResearchMemory and Neural MechanismsNeuroscience and Neuropharmacology Research

Sleep deprivation causes memory deficits by negatively impacting neuronal connectivity in hippocampal area CA1

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Havekes, Robbert, Park, Alan J, Tudor, Jennifer C, Luczak, Vincent G, Hansen, Rolf T, Ferri, Sarah L, Bruinenberg, Vibeke M, Poplawski, Shane G +7 more·2016·eLife

Abstract

Brief periods of sleep loss have long-lasting consequences such as impaired memory consolidation. Structural changes in synaptic connectivity have been proposed as a substrate of memory storage. Here, we examine the impact of brief periods of sleep deprivation on dendritic structure. In mice, we find that five hours of sleep deprivation decreases dendritic spine numbers selectively in hippocampal area CA1 and increased activity of the filamentous actin severing protein cofilin. Recovery sleep normalizes these structural alterations. Suppression of cofilin function prevents spine loss, deficits in hippocampal synaptic plasticity, and impairments in long-term memory caused by sleep deprivation. The elevated cofilin activity is caused by cAMP-degrading phosphodiesterase-4A5 (PDE4A5), which hampers cAMP-PKA-LIMK signaling. Attenuating PDE4A5 function prevents changes in cAMP-PKA-LIMK-cofilin signaling and cognitive deficits associated with sleep deprivation. Our work demonstrates the necessity of an intact cAMP-PDE4-PKA-LIMK-cofilin activation-signaling pathway for sleep deprivation-induced memory disruption and reduction in hippocampal spine density.

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Authors
Havekes, R., Park, A. J., Tudor, J. C., Luczak, V. G., Hansen, R. T., Ferri, S. L., Bruinenberg, V. M., Poplawski, S. G., Day, J. P., Aton, S. J., Radwańska, K., Meerlo, P., Houslay, M. D., Baillie, G. S., & Abel, T.
Affiliations
  • University of Groningen (NL)
  • New York State Psychiatric Institute (US)
  • University of Pennsylvania (US)
  • University of Glasgow (GB)
  • University of Michigan (US)
  • Instytut Biologii Doświadczalnej im. Marcelego Nenckiego (PL)
  • King's College London (GB)
Corresponding author
  • Havekes, Robbert
  • Abel, Ted
Venue
eLife
Published
2016-08-23
Volume
5
ISSN
2050-084X (ISSN-L)
OpenAlex
W2518307403
Cited by
292
References
68
Citations by year
2026: 35 · 2025: 39 · 2024: 32 · 2023: 28 · 2022: 22 · 2021: 38 · 2020: 37 · 2019: 21 · 2018: 19 · 2017: 18 · 2016: 1
FWCI
12.39
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (publishedVersion, cc-by)
  • ENLIGHTEN (Jurnal Bimbingan dan Konseling Islam) (acceptedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Research Portal (King's College London) (submittedVersion, cc-by)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion, cc-by)
Funders
  • Nederlandse Organisatie voor Wetenschappelijk Onderzoek (postdoctoral fellowship 825.07.029)
  • University of Pennsylvania (UPENN rsearch foundation grant)
  • National Institutes of Health (postdoctoral fellowship, 5K12GM081529, postdoctoral fellowship, T32 NS077413, 1RO1MH086415, RO1AG017628)
  • European Commission (FP7-PEOPLE-2009-RG-Alco_CaMK)
  • National Science Centre (Harmonia 2013/08/m/NZ3/00861 Grant)
  • Medical Research Council (Grant MR/J007412/1)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
sleep deprivation, memory impairment, hippocampal CA1, dendritic spines, cofilin, cAMP signaling, LIM kinase, synaptic plasticity, long-term memory, dendritic morphology, recovery sleep
MeSH terms
Animals, Memory Disorders, Neurons, Sleep Deprivation, Dendritic Spines, Actin Depolymerizing Factors, Mice, Cyclic Nucleotide Phosphodiesterases, Type 4, CA1 Region, Hippocampal

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