Cited by 109Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

The storm before the quiet: neuronal hyperactivity and aβ in the presymptomatic stages of Alzheimer’s disease

Stargardt, Anita, Swaab, Dick F., Bossers, Koen·2015·Neurobiology of Aging

Abstract

Neuronal activity directly promotes the production and secretion of amyloid β (Aβ). Interestingly, neuronal hyperactivity can be observed in presymptomatic stages of both sporadic and familial Alzheimer's disease (AD) and in several AD mouse models. In this review, we will highlight the recent evidence for neuronal hyperactivity before or during the onset of cognitive defects in mild cognitive impairment. Furthermore, we review specific molecular mechanisms through which neuronal hyperactivity affects Aβ production and degradation. With these data, we will provide more insight into the 2-faced nature of neuronal hyperactivity: does enhanced neuronal activity during the presymptomatic stages of AD provide protection against the earliest disease processes or is it a pathogenic contributor to AD?

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Crossref · 10.1016/j.neurobiolaging.2014.08.014

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  • Pathological accumulation of Aβ enhances seizure susceptibility and network hyperexcitability by blocking glial uptake of glutamate while enhancing neuronal firing, glutamate release, extrasynaptic NMDA receptor activity, and intracellular Ca2+ concentration.

    “Pathological accumulation of Aβ also enhances seizure susceptibility and network hyperexcitability by blocking glial uptake of glutamate while enhancing neuronal firing, glutamate release, extrasynaptic NMDA receptor activity, and intracellular Ca2+ concentration (Stargardt et al., 2015).”

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Authors
Stargardt, A., Swaab, D. F., & Bossers, K.
Affiliations
  • Amsterdam UMC Location University of Amsterdam (NL)
  • Netherlands Institute for Neuroscience (NL)
Corresponding author
Bossers, Koen
Venue
Neurobiology of Aging
Publisher
Elsevier BV
Published
2015-01
Volume
36
Issue
1
Pages
1-11
ISSN
0197-4580 (ISSN-L)
OpenAlex
W2001731317
Cited by
109
References
19
Citations by year
2026: 8 · 2025: 9 · 2024: 9 · 2023: 8 · 2022: 12 · 2021: 12 · 2020: 11 · 2019: 11 · 2018: 7 · 2017: 8 · 2016: 6 · 2015: 8
FWCI
4.57
Type
journal article
Language
en
Open access
closed
Locations
  • Neurobiology of Aging (publishedVersion)
  • PubMed (publishedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • Pure Amsterdam UMC (submittedVersion)
  • KNAW Research Portal (The Royal Netherlands Academy of Arts and Sciences) (submittedVersion)
Funders
Internationale Stichting Alzheimer Onderzoek (11552)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
neuronal hyperactivity, amyloid-beta, preclinical Alzheimer's disease, mild cognitive impairment, amyloid-beta production, amyloid beta degradation, familial Alzheimer's disease, sporadic Alzheimer's disease, mouse models of Alzheimer's disease, neuroprotection
MeSH terms
Alzheimer Disease, Animals, Disease Models, Animal, Humans, Neurons, Amyloid beta-Peptides, Disease Progression, Mice, Proteolysis, Cognitive Dysfunction

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