Cited by 780Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Aβ Immunotherapy Leads to Clearance of Early, but Not Late, Hyperphosphorylated Tau Aggregates via the Proteasome

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Oddo, Salvatore, Billings, Lauren, Kesslak, J.Patrick, Cribbs, David H., LaFerla, Frank M.·2004·Neuron

Abstract

Amyloid-beta (Abeta) plaques and neurofibrillary tangles are the hallmark neuropathological lesions of Alzheimer's disease (AD). Using a triple transgenic model (3xTg-AD) that develops both lesions in AD-relevant brain regions, we determined the consequence of Abeta clearance on the development of tau pathology. Here we show that Abeta immunotherapy reduces not only extracellular Abeta plaques but also intracellular Abeta accumulation and most notably leads to the clearance of early tau pathology. We find that Abeta deposits are cleared first and subsequently reemerge prior to the tau pathology, indicative of a hierarchical and direct relationship between Abeta and tau. The clearance of the tau pathology is mediated by the proteasome and is dependent on the phosphorylation state of tau, as hyperphosphorylated tau aggregates are unaffected by the Abeta antibody treatment. These findings indicate that Abeta immunization may be useful for clearing both hallmark lesions of AD, provided that intervention occurs early in the disease course.

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Crossref · 10.1016/j.neuron.2004.07.003

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Authors
Oddo, S., Billings, L., Kesslak, J. P., Cribbs, D. H., & LaFerla, F. M.
Affiliations
University of California, Irvine (US)
Corresponding author
LaFerla, Frank M.
Venue
Neuron
Publisher
Elsevier BV
Published
2004-08
Volume
43
Issue
3
Pages
321-332
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2121448546
Cited by
780
References
34
Citations by year
2026: 5 · 2025: 5 · 2024: 13 · 2023: 13 · 2022: 12 · 2021: 21 · 2020: 27 · 2019: 24 · 2018: 27 · 2017: 25 · 2016: 24 · 2015: 20 · 2014: 44 · 2013: 38 · 2012: 57
FWCI
39.05
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute on Aging (AG0212982)
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
amyloid-beta immunotherapy, Alzheimer's disease, tau hyperphosphorylation, tau aggregates, proteasome, amyloid plaques, neurofibrillary tangles, 3xTg-AD mice, antibody treatment
MeSH terms
Alzheimer Disease, Animals, Antibodies, Cysteine Endopeptidases, Female, Hippocampus, Injections, Intraventricular, Intracellular Fluid, Male, Mice, Transgenic, Multienzyme Complexes, Phosphorylation, Amyloid beta-Peptides, tau Proteins, Alzheimer Vaccines, Extracellular Fluid, Proteasome Endopeptidase Complex, Mice

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