Cited by 172Alzheimer's disease research and treatmentsSleep and Wakefulness ResearchDementia and Cognitive Impairment Research

Chronic mild sleep restriction accentuates contextual memory impairments, and accumulations of cortical Aβ and pTau in a mouse model of Alzheimer's disease

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Rothman, Sarah M., Herdener, Nathan, Frankola, Kathryn A., Mughal, Mohamed R., Mattson, Mark P.·2013·Brain Research

Abstract

Age-associated dysregulation of sleep can be worsened by Alzheimer's disease (AD). AD and sleep restriction both impair cognition, yet it is unknown if mild chronic sleep restriction modifies the proteopathic processes involved in AD. The goal of this work was to test the hypothesis that sleep restriction worsens memory impairments, and amyloid β-peptide (Aβ) and pTau accumulations in the brain in a mouse model of AD, with a focus on a role for circulating glucocorticoids (GC). Male 3xTgAD mice were subjected to sleep restriction (SR) for 6h/day for 6 weeks using the modified multiple platform technique, and behavioral (Morris water maze, fear conditioning, open field) and biochemical (immunoblot) outcomes were compared to mice undergoing daily cage transfers (large cage control; LCC) as well as control mice that remained in their home cage (control; CTL). At one week, both LCC and SR mice displayed significant elevations in plasma corticosterone compared to CTL (p<0.002). By four weeks, SR mice displayed a two-fold increase in circulating corticosterone levels compared to CTL. Behavioral data indicated deficits in contextual and cued memory in SR mice that were not present for LCC or CTL (p<0.04). Both Aβ and pTau levels increased in the cortex of SR mice compared to CTL and LCC; however these changes were not noted in the hippocampus. Significant positive correlations between cortical Aβ and pTau levels and circulating corticosterone indicate a potential role for GCs in mediating behavioral and biochemical changes observed after sleep restriction in a mouse model of AD.

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Crossref · 10.1016/j.brainres.2013.07.010

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  • In animal models of AD, chronic mild sleep restriction aggravates contextual memory impairment, cortical Aβ accumulation and tau hyperphosphorylation.

    “In animal models of AD, chronic mild sleep restriction aggravates contextual memory impairment, cortical Aβ accumulation and tau hyperphosphorylation [570, 571]”

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Authors
Rothman, S. M., Herdener, N., Frankola, K. A., Mughal, M. R., & Mattson, M. P.
Affiliations
National Institutes of Health (US)
Corresponding author
Mattson, Mark P.
Venue
Brain Research
Publisher
Elsevier BV
Published
2013-09
Volume
1529
Pages
200-208
ISSN
0006-8993 (ISSN-L)
OpenAlex
W2083765418
Cited by
172
References
47
Citations by year
2026: 6 · 2025: 4 · 2024: 19 · 2023: 16 · 2022: 17 · 2021: 14 · 2020: 25 · 2019: 16 · 2018: 13 · 2017: 17 · 2016: 14 · 2015: 8 · 2014: 3
FWCI
5.79
Type
journal article
Language
en
Open access
Locations
  • Brain Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
Intramural Research Program of the National Institute on Aging
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
chronic sleep restriction, Alzheimer's disease, contextual memory, amyloid-beta, phosphorylated tau, corticosterone, glucocorticoids, 3xTg-AD mice, memory impairment, proteinopathies, aging and sleep
MeSH terms
Alzheimer Disease, Analysis of Variance, Animals, Cerebral Cortex, Conditioning, Psychological, Corticosterone, Disease Models, Animal, Exploratory Behavior, Fear, Humans, Male, Memory Disorders, Mice, Transgenic, Mutation, Sleep Deprivation, Amyloid beta-Peptides, Amyloid beta-Protein Precursor, tau Proteins, Maze Learning, Mice, Presenilin-1

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