Cited by 23Alzheimer's disease research and treatmentsNeuroscience and Neuropharmacology ResearchNeuroinflammation and Neurodegeneration Mechanisms

Disrupted cross-laminar cortical processing in β amyloid pathology precedes cell death

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Lison, H., Happel, M.F.K., Schneider, F., Baldauf, K., Kerbstat, S., Seelbinder, B., Schneeberg, J., Zappe, M. +9 more·2014·Neurobiology of Disease

Abstract

Disruption of neuronal networks in the Alzheimer-afflicted brain is increasingly recognized as a key correlate of cognitive and memory decline in Alzheimer patients. We hypothesized that functional synaptic disconnections within cortical columnar microcircuits by pathological β-amyloid accumulation, rather than cell death, initially causes the cognitive impairments. During development of cortical β-amyloidosis with still few plaques in the transgenic 5xFAD mouse model single cell resolution mapping of neuronal thallium uptake revealed that electrical activity of pyramidal cells breaks down throughout infragranular cortical layer V long before cell death occurs. Treatment of 5xFAD mice with the glutaminyl cyclase inhibitor, PQ 529, partially prevented the decline of pyramidal cell activity, indicating pyroglutamate-modified forms, potentially mixed oligomers of Aβ are contributing to neuronal impairment. Laminar investigation of cortical circuit dysfunction with current source density analysis identified an early loss of excitatory synaptic input in infragranular layers, linked to pathological recurrent activations in supragranular layers. This specific disruption of normal cross-laminar cortical processing coincided with a decline of contextual fear learning.

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Crossref · 10.1016/j.nbd.2013.11.014

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  • Transgenic models show disruption of pyramidal cell activity prior to cell death with significant degeneration of synapses.

    “Transgenic models show disruption of pyramidal cell activity prior to cell death 52 with significant degeneration of synapses. 53”

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Authors
Lison, H., Happel, M. F. K., Schneider, F., Baldauf, K., Kerbstat, S., Seelbinder, B., Schneeberg, J., Zappe, M., Goldschmidt, J., Budinger, E., Schröder, U. H., Ohl, F. W., Schilling, S., Demuth, H.-U., Scheich, H., Reymann, K. G., & Rönicke, R.
Affiliations
  • Leibniz Institute for Neurobiology (DE)
  • German Center for Neurodegenerative Diseases (DE)
  • Probiodrug (Germany) (DE)
Corresponding author
Rönicke, R.
Venue
Neurobiology of Disease
Publisher
Elsevier BV
Published
2014-03
Volume
63
Pages
62-73
ISSN
0969-9961 (ISSN-L)
OpenAlex
W2035415625
Cited by
23
References
60
Citations by year
2025: 3 · 2024: 1 · 2023: 1 · 2022: 1 · 2021: 1 · 2020: 1 · 2019: 4 · 2018: 2 · 2017: 1 · 2016: 2 · 2015: 2 · 2014: 4
FWCI
1.85
Type
journal article
Language
en
Open access
Locations
  • Neurobiology of Disease (publishedVersion)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft) (submittedVersion)
  • DZNE Pub (submittedVersion)
  • Fraunhofer-Publica (Fraunhofer-Gesellschaft) (submittedVersion)
Funders
  • Alzheimer Forschung Initiative e. V. (10852)
  • German Federal Ministry of Education and Science (VIP0562 — 03V0765)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
Alzheimer's disease, amyloid-beta, thallium uptake, 5xFAD mice, excitatory synaptic input, cognitive impairment, current source density
MeSH terms
Age Factors, Alzheimer Disease, Animals, Cerebral Cortex, Conditioning, Psychological, Disease Models, Animal, Fear, Fourier Analysis, Humans, Mice, Inbred C57BL, Mice, Transgenic, Mutation, Neurons, Thallium, Amyloid beta-Peptides, Amyloid beta-Protein Precursor, Cell Death, Mice, Presenilin-1, Plaque, Amyloid

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