Cited by 65Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Murine Aβ over-production produces diffuse and compact Alzheimer-type amyloid deposits

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Xu, Guilian, Ran, Yong, Fromholt, Susan E., Fu, Chunhua, Yachnis, Anthony T., Golde, Todd E., Borchelt, David R.·2015·Acta Neuropathologica Communications

Abstract

INTRODUCTION: Transgenic overexpression of amyloid precursor protein (APP) genes that are either entirely human in sequence or have humanized Aβ sequences can produce Alzheimer-type amyloidosis in mice, provided the transgenes also encode mutations linked to familial Alzheimer's Disease (FAD). Although transgenic mice have been produced that overexpress wild-type mouse APP, no mice have been generated that express mouse APP with FAD mutations. Here we describe two different versions of such mice that produce amyloid deposits consisting of entirely of mouse Aβ peptides. One line of mice co-expresses mouse APP-Swedish (moAPPswe) with a human presenilin exon-9 deleted variant (PS1dE9) and another line expresses mouse APP-Swedish/Indiana (APPsi) using tetracycline-regulated vectors (tet.moAPPsi). RESULTS: Both lines of mice that produce mouse Aβ develop amyloid deposits, with the moAPPswe/PS1dE9 mice developing extracellular compact, cored, neuritic deposits that primarily localize to white matter tracts and meningial layers, whereas the tet.moAPPsi mice developed extracellular diffuse cortical/hippocampal deposits distributed throughout the parenchyma. CONCLUSIONS: These findings demonstrate that murine Aβ peptides have the capacity to produce amyloid deposits that are morphologically similar to deposits found in human AD provided the murine APP gene harbors mutations linked to human FAD.

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  • Sequence differences between mice and humans include 3 amino acids within the Aβ sequence (R5G, Y10F and H13R).

    “Importantly, sequence differences between mice and humans include 3 amino acids within the Aβ sequence (R5G, Y10F and H13R)[155, 174].”

    From Alzheimer's disease: experimental models and reality (2017) · cites this paper as [174]

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Authors
Xu, G., Ran, Y., Fromholt, S. E., Fu, C., Yachnis, A. T., Golde, T. E., & Borchelt, D. R.
Affiliations
  • University of Florida Health (US)
  • University of Florida (US)
Corresponding author
Borchelt, David R.
Venue
Acta Neuropathologica Communications
Published
2015-11-14
Volume
3
Issue
1
Pages
72-72
ISSN
2051-5960 (ISSN-L)
OpenAlex
W2172309362
Cited by
65
References
52
Citations by year
2026: 5 · 2025: 8 · 2024: 3 · 2023: 5 · 2022: 5 · 2021: 11 · 2020: 6 · 2019: 9 · 2018: 7 · 2017: 3 · 2016: 3
FWCI
3.19
Type
journal article
Language
en
Open access
Locations
  • Acta Neuropathologica Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • University of Florida Digital Collections (University of Florida) (submittedVersion, other-oa)
Funders
  • National Institute of Neurological Disorders and Stroke (NS047225)
  • SanteFe HealthCare Alzheimer's Disease Research Center (ᅟᅟ)
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
Alzheimer's disease, amyloid-beta, amyloid precursor protein, APP overexpression, familial Alzheimer's disease mutations, transgenic mouse model, extracellular amyloid deposition, neuritic plaques, white matter tracts, tetracycline-regulated expression
MeSH terms
Age Factors, Alzheimer Disease, Animals, Brain, Disease Models, Animal, Gene Expression Regulation, Glial Fibrillary Acidic Protein, Humans, Mice, Inbred C57BL, Mice, Transgenic, Mutation, Neuroblastoma, Mass Spectrometry, Amyloid beta-Peptides, Cell Line, Tumor, Immunoprecipitation, Green Fluorescent Proteins, Mice, Presenilin-1, Plaque, Amyloid

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