Cited by 149Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Tau Immunotherapy Modulates Both Pathological Tau and Upstream Amyloid Pathology in an Alzheimer's Disease Mouse Model

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Castillo-Carranza, Diana L., Guerrero-Muñoz, Marcos J., Sengupta, Urmi, Hernandez, Caterina, Barrett, Alan D.T., Dineley, Kelly, Kayed, Rakez·2015·The Journal of Neuroscience

Abstract

In Alzheimer's disease (AD), the pathological accumulation of tau appears to be a downstream effect of amyloid β protein (Aβ). However, the relationship between these two proteins and memory loss is unclear. In this study, we evaluated the specific removal of pathological tau oligomers in aged Tg2576 mice by passive immunotherapy using tau oligomer-specific monoclonal antibody. Removal of tau oligomers reversed memory deficits and accelerated plaque deposition in the brain. Surprisingly, Aβ*56 levels decreased, suggesting a link between tau and Aβ oligomers in the promotion of cognitive decline. The results suggest that tau oligomerization is not only a consequence of Aβ pathology but also a critical mediator of the toxic effects observed afterward in AD. Overall, these findings support the potential of tau oligomers as a therapeutic target for AD.

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Authors
Castillo-Carranza, D. L., Guerrero-Muñoz, M. J., Sengupta, U., Hernandez, C., Barrett, A. D. T., Dineley, K., & Kayed, R.
Affiliations
The University of Texas Medical Branch at Galveston (US)
Venue
The Journal of Neuroscience
Published
2015-03-25
Volume
35
Issue
12
Pages
4857-4868
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2065413916
Cited by
149
References
82
Citations by year
2026: 7 · 2025: 10 · 2024: 7 · 2023: 13 · 2022: 8 · 2021: 8 · 2020: 13 · 2019: 18 · 2018: 15 · 2017: 24 · 2016: 15 · 2015: 11
FWCI
15.96
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
Alzheimer's Drug Discovery Foundation
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, tau oligomers, passive immunotherapy, amyloid-beta, Tg2576 mice, memory impairment, amyloid plaques, tau oligomerization, therapeutic target
MeSH terms
Aging, Alzheimer Disease, Animals, Antibodies, Monoclonal, Brain, Disease Models, Animal, Male, Memory Disorders, Mice, Transgenic, Peptide Fragments, Amyloid beta-Peptides, tau Proteins, Mice, Plaque, Amyloid

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