Cited by 1,000Alzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration MechanismsDementia and Cognitive Impairment Research

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Aβ42‐driven cerebral amyloidosis in transgenic mice reveals early and robust pathology

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Abstract

We have generated a novel transgenic mouse model on a C57BL/6J genetic background that coexpresses KM670/671NL mutated amyloid precursor protein and L166P mutated presenilin 1 under the control of a neuron-specific Thy1 promoter element (APPPS1 mice). Cerebral amyloidosis starts at 6-8 weeks and the ratio of human amyloid (A)beta42 to Abeta40 is 1.5 and 5 in pre-depositing and amyloid-depositing mice, respectively. Consistent with this ratio, extensive congophilic parenchymal amyloid but minimal amyloid angiopathy is observed. Amyloid-associated pathologies include dystrophic synaptic boutons, hyperphosphorylated tau-positive neuritic structures and robust gliosis, with neocortical microglia number increasing threefold from 1 to 8 months of age. Global neocortical neuron loss is not apparent up to 8 months of age, but local neuron loss in the dentate gyrus is observed. Because of the early onset of amyloid lesions, the defined genetic background of the model and the facile breeding characteristics, APPPS1 mice are well suited for studying therapeutic strategies and the pathomechanism of amyloidosis by cross-breeding to other genetically engineered mouse models.

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Metadata

Authors
Radde, R., Bolmont, T., Kaeser, S. A., Coomaraswamy, J., Lindau, D., Stoltze, L., Calhoun, M. E., Jäggi, F., Wolburg, H., Gengler, S., Haass, C., Ghetti, B., Czech, C., Hölscher, C., Mathews, P. M., & Jucker, M.
Affiliations
  • Hertie Institute for Clinical Brain Research (DE)
  • University of Basel (CH)
  • University of Tübingen (DE)
  • University of Ulster (GB)
  • Adolf-Butenandt-Institut für Physiologische Chemie, Physikalische Biochemie und Zellbiologie (DE)
  • Indiana University School of Medicine (US)
  • F. Hoffmann-La Roche AG (CH)
  • New York University (US)
Corresponding author
Jucker, Mathias
Venue
The EMBO Reports
Published
2006-08-11
Volume
7
Issue
9
Pages
940-946
ISSN
  • 1469-221X (ISSN-L)
  • 1469-3178
OpenAlex
W2156788921
Cited by
986
References
32
Citations by year
2026: 33 · 2025: 60 · 2024: 75 · 2023: 85 · 2022: 73 · 2021: 86 · 2020: 93 · 2019: 79 · 2018: 58 · 2017: 41 · 2016: 46 · 2015: 41 · 2014: 36 · 2013: 50 · 2012: 37
FWCI
9.50
Type
journal article
Language
en
Open access
Locations
  • EMBO Reports (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
Funders
  • European Commission (LSHM-CT-2003-503330)
  • Boehringer Ingelheim Stiftung
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
cerebral amyloidosis, amyloid-beta 42, amyloid angiopathy, tau hyperphosphorylation, gliosis, microglia, Alzheimer's disease model
MeSH terms
Animals, Cognition, Disease Models, Animal, Inflammation, Male, Membrane Proteins, Mice, Inbred C57BL, Mice, Transgenic, Neurons, Peptide Fragments, Amyloid beta-Peptides, Amyloid beta-Protein Precursor, Cerebral Amyloid Angiopathy, Neocortex, Mice, Presenilin-1

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