Cited by 980Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Amyloid deposition precedes tangle formation in a triple transgenic model of Alzheimer's disease

Oddo, S·2003·Neurobiology of Aging

Abstract

Amyloid-beta (Abeta) containing plaques and tau-laden neurofibrillary tangles are the defining neuropathological features of Alzheimer's disease (AD). To better mimic this neuropathology, we generated a novel triple transgenic model of AD (3xTg-AD) harboring three mutant genes: beta-amyloid precursor protein (betaAPPSwe), presenilin-1 (PS1M146V), and tauP301L. The 3xTg-AD mice progressively develop Abeta and tau pathology, with a temporal- and regional-specific profile that closely mimics their development in the human AD brain. We find that Abeta deposits initiate in the cortex and progress to the hippocampus with aging, whereas tau pathology is first apparent in the hippocampus and then progresses to the cortex. Despite equivalent overexpression of the human betaAPP and human tau transgenes, Abeta deposition develops prior to the tangle pathology, consistent with the amyloid cascade hypothesis. As these 3xTg-AD mice phenocopy critical aspects of AD neuropathology, this model will be useful in pre-clinical intervention trials, particularly because the efficacy of anti-AD compounds in mitigating the neurodegenerative effects mediated by both signature lesions can be evaluated.

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Crossref · 10.1016/j.neurobiolaging.2003.08.012

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Authors
Oddo, S.
Affiliations
University of California, Irvine (US)
Corresponding author
Oddo, S
ORCID
Oddo, S
Venue
Neurobiology of Aging
Publisher
Elsevier BV
Published
2003-12
Volume
24
Issue
8
Pages
1063-1070
ISSN
0197-4580 (ISSN-L)
OpenAlex
W1977002082
Cited by
980
References
12
Citations by year
2026: 16 · 2025: 31 · 2024: 56 · 2023: 33 · 2022: 47 · 2021: 37 · 2020: 49 · 2019: 47 · 2018: 46 · 2017: 44 · 2016: 38 · 2015: 42 · 2014: 50 · 2013: 62 · 2012: 54
FWCI
10.37
Type
journal article
Language
en
Open access
closed
Locations
  • Neurobiology of Aging (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • University of California, Irvine
  • National Institute on Aging (AG0212982, AG17968, R01AG017968)
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 deposition, neurofibrillary tangles, tau pathology, triple transgenic mouse model, 3xTg-AD mice, amyloid hypothesis, amyloid precursor protein, presenilin 1, P301L tau, hippocampus, cortex
MeSH terms
Alzheimer Disease, Animals, Brain, Disease Models, Animal, Humans, Membrane Proteins, Mice, Transgenic, Mutation, Amyloid beta-Protein Precursor, Neurofibrillary Tangles, tau Proteins, Disease Progression, Mice, Presenilin-1, Plaque, Amyloid

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