Cited by 165Sleep and Wakefulness ResearchMemory and Neural MechanismsNeuroscience and Neuropharmacology Research

The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.

Protein Synthesis during Sleep Consolidates Cortical Plasticity In Vivo

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Abstract

Sleep consolidates experience-dependent brain plasticity, but the precise cellular mechanisms mediating this process are unknown [1]. De novo cortical protein synthesis is one possible mechanism. In support of this hypothesis, sleep is associated with increased brain protein synthesis [2, 3] and transcription of messenger RNAs (mRNAs) involved in protein synthesis regulation [4, 5]. Protein synthesis in turn is critical for memory consolidation and persistent forms of plasticity in vitro and in vivo [6, 7]. However, it is unknown whether cortical protein synthesis in sleep serves similar functions. We investigated the role of protein synthesis in the sleep-dependent consolidation of a classic form of cortical plasticity in vivo (ocular dominance plasticity, ODP; [8, 9]) in the cat visual cortex. We show that intracortical inhibition of mammalian target of rapamycin (mTOR)-dependent protein synthesis during sleep abolishes consolidation but has no effect on plasticity induced during wakefulness. Sleep also promotes phosphorylation of protein synthesis regulators (i.e., 4E-BP1 and eEF2) and the translation (but not transcription) of key plasticity related mRNAs (ARC and BDNF). These findings show that sleep promotes cortical mRNA translation. Interruption of this process has functional consequences, because it abolishes the consolidation of experience in the cortex.

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Crossref · 10.1016/j.cub.2012.02.016

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Authors
Seibt, J., Dumoulin, M. C., Aton, S. J., Coleman, T., Watson, A., Naidoo, N., & Frank, M. G.
Affiliations
  • University of Bern (CH)
  • University of Pennsylvania (US)
Corresponding author
Frank, Marcos G.
Venue
Current Biology
Publisher
Elsevier BV
Published
2012-04
Volume
22
Issue
8
Pages
676-682
ISSN
0960-9822 (ISSN-L)
OpenAlex
W2017764061
Cited by
162
References
39
Citations by year
2026: 3 · 2025: 8 · 2024: 7 · 2023: 6 · 2022: 11 · 2021: 9 · 2020: 14 · 2019: 18 · 2018: 19 · 2017: 16 · 2016: 4 · 2015: 6 · 2014: 13 · 2013: 16 · 2012: 12
FWCI
7.69
Type
journal article
Language
en
Open access
Locations
  • Current Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • University of Pennsylvania
  • National Heart, Lung, and Blood Institute (T32HL007953)
  • National Eye Institute (F32EY006831, R01EY019022, R00EY021503, R01-EY 019002, F32EY017766, K99EY021503, T32EY007143)
  • National Institute of General Medical Sciences (T32GM07517, T32GM007517)
  • National Institute of Neurological Disorders and Stroke (F31NS067935)
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-dependent memory consolidation, protein synthesis, ocular dominance plasticity, visual cortex, mTOR inhibition, 4E-BP1, elongation factor 2, mRNA translation, Arc, brain-derived neurotrophic factor, cortical plasticity, cats
MeSH terms
Animals, Cats, Neuronal Plasticity, Phosphoproteins, Phosphorylation, Sleep, Transcription, Genetic, Protein Biosynthesis, Wakefulness, Brain-Derived Neurotrophic Factor, Dominance, Ocular, Mediator Complex, TOR Serine-Threonine Kinases

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