Cited by 85Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Accelerated tau pathology with synaptic and neuronal loss in a novel triple transgenic mouse model of Alzheimer’s disease

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Saul, Anika, Sprenger, Frederik, Bayer, Thomas A., Wirths, Oliver·2013·Neurobiology of Aging

Abstract

There is pivotal evidence that tau pathology can be triggered by amyloid-β (Aβ) pathology in experimental systems. On the other side, studies on human brain specimen have elucidated that tau pathology may occur before amyloid pathology is present indicating that in principle tau pathology could also trigger Aβ aggregation. To address this question, we have crossed 5XFAD mice coexpressing human mutant APP695 with the Swedish, Florida, and London mutations and human mutant presenilin-1 (PS1) with the M146L and L286V mutations with the PS19 model overexpressing human mutant tau with the P301S mutation. The resulting triple transgenic model 5XFAD/PS19 has been characterized at 3 and 9 months of age. A dramatic aggravation of hyperphosphorylated tau pathology together with a dramatically increased inflammatory response and a loss of synapses and hippocampal CA1 neurons in aged 5XFAD/PS19 mice were observed. Extracellular amyloid deposits were unaltered. These data support the assumption of tau pathology being downstream of amyloid pathology, suggesting that both pathologies together trigger the severe neuron loss in the hippocampus in the 5XFAD/PS19 mouse model.

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Crossref · 10.1016/j.neurobiolaging.2013.05.003

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Authors
Saul, A., Sprenger, F., Bayer, T. A., & Wirths, O.
Venue
Neurobiology of Aging
Publisher
Elsevier BV
Published
2013-11
Volume
34
Issue
11
Pages
2564-2573
ISSN
0197-4580 (ISSN-L)
OpenAlex
W2023771355
Cited by
85
References
42
Citations by year
2026: 6 · 2025: 3 · 2024: 8 · 2023: 5 · 2022: 2 · 2021: 10 · 2020: 18 · 2019: 4 · 2018: 3 · 2017: 6 · 2016: 8 · 2015: 4 · 2014: 6 · 2013: 2
FWCI
4.09
Type
journal article
Language
en
Locations
  • Neurobiology of Aging (publishedVersion)
  • PubMed (publishedVersion)
  • GoeScholar The Publication Server of the Georg-August-Universität Göttingen (Georg-August-Universität Göttingen) (submittedVersion, cc-by)
Funders
Alzheimer Forschung Initiative
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
tau pathology, Alzheimer's disease, amyloid-beta, 5xFAD mice, PS19 mice, triple transgenic mouse model, hyperphosphorylated tau, synaptic loss, neuronal loss, CA1 pyramidal neurons, neuroinflammation, presenilin 1 mutations, amyloid-beta aggregation
MeSH terms
Age Factors, Alzheimer Disease, Analysis of Variance, Animals, Astrocytes, Disease Models, Animal, Glial Fibrillary Acidic Protein, Hippocampus, Humans, Mice, Inbred C57BL, Mice, Transgenic, Mutation, Nerve Degeneration, Neurons, Synapses, Amyloid beta-Peptides, Amyloid beta-Protein Precursor, tau Proteins, Mice, Presenilin-1

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