Cited by 40Alzheimer's disease research and treatmentsSleep and Wakefulness ResearchNeurobiology and Insect Physiology Research

Amyloid‐β induces sleep fragmentation that is rescued by fatty acid binding proteins in Drosophila

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Gerstner, Jason R., Lenz, Olivia, Vanderheyden, William M., Chan, May T., Pfeiffenberger, Cory, Pack, Allan I.·2017·Journal of Neuroscience Research

Abstract

Disruption of sleep/wake activity in Alzheimer's disease (AD) patients significantly affects their quality of life and that of their caretakers and is a major contributing factor for institutionalization. Levels of amyloid-β (Aβ) have been shown to be regulated by neuronal activity and to correlate with the sleep/wake cycle. Whether consolidated sleep can be disrupted by Aβ alone is not well understood. We hypothesize that Aβ42 can increase wakefulness and disrupt consolidated sleep. Here we report that flies expressing the human Aβ42 transgene in neurons have significantly reduced consolidated sleep compared with control flies. Fatty acid binding proteins (Fabp) are small hydrophobic ligand carriers that have been clinically implicated in AD. Aβ42 flies that carry a transgene of either the Drosophila Fabp or the mammalian brain-type Fabp show a significant increase in nighttime sleep and long consolidated sleep bouts, rescuing the Aβ42-induced sleep disruption. These studies suggest that alterations in Fabp levels and/or activity may be associated with sleep disturbances in AD. Future work to determine the molecular mechanisms that contribute to Fabp-mediated rescue of Aβ42-induced sleep loss will be important for the development of therapeutics in the treatment of AD. © 2016 Wiley Periodicals, Inc.

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  • Sleep is an emergent set of many physiologic processes under primarily neurobiological regulation that impact many physiologic systems.

    “Sleep represents an emergent set of many physiologic processes under primarily neurobiological regulation that impact many physiologic systems.”

    From Sleep, Health, and Society (2017) · cites this paper as [7]

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Authors
Gerstner, J. R., Lenz, O., Vanderheyden, W. M., Chan, M. T., Pfeiffenberger, C., & Pack, A. I.
Affiliations
  • Washington State University Spokane (US)
  • University of Pennsylvania (US)
Corresponding author
Gerstner, Jason R.
Venue
Journal of Neuroscience Research
Publisher
Wiley
Published
2016-06-19
Volume
95
Issue
8
Pages
1548-1564
ISSN
  • 0360-4012 (ISSN-L)
  • 1097-4547
OpenAlex
W2464960220
Cited by
40
References
91
Citations by year
2026: 1 · 2025: 4 · 2024: 8 · 2023: 1 · 2022: 5 · 2021: 4 · 2020: 3 · 2019: 2 · 2018: 5 · 2017: 4 · 2016: 2 · 2013: 1
FWCI
3.48
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience Research (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health (T32 HL07713 (to J.R.G.), T32 HL110952 (to W.M.V.), P01AG017628 (to A.I.P.))
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
Keywords
amyloid-beta, amyloid-beta 42, sleep fragmentation, fatty acid binding protein, Alzheimer's disease, sleep-wake cycle, Drosophila
MeSH terms
Animals, Disease Models, Animal, Drosophila, Gene Expression Regulation, Hormone Antagonists, Humans, Locomotion, RNA, Messenger, Sleep, Sleep Wake Disorders, Transcription Factors, Wakefulness, Mifepristone, Amyloid beta-Peptides, Drosophila Proteins, Animals, Genetically Modified, Fatty Acid-Binding Proteins

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