Cited by 89Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

The toxicity of tau in Alzheimer disease: turnover, targets and potential therapeutics

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Pritchard, Susanne M., Dolan, Philip J., Vitkus, Alisa, Johnson, Gail V.W.·2011·Journal of Cellular and Molecular Medicine

Abstract

• Introduction • Pathological modifications of tau - Tau phosphorylation - Tau truncation - NFTs are not the primary toxic species • Tau turnover and possible deficits in Alzheimer disease • Tau toxicity in Alzheimer disease • Potential ‘tau-centric’ therapeutic strategies - Tau aggregation inhibitors - Microtubule stabilizing agents - Tau immunotherapy - Autophagy activators - Mitochondria targeted therapies • Summary and conclusions It has been almost 25 years since the initial discovery that tau was the primary component of the neurofibrillary tangles (NFTs) in Alzheimer disease (AD) brain. Although AD is defined by both β-amyloid (Aβ) pathology (Aβ plaques) and tau pathology (NFTs), whether or not tau played a critical role in disease pathogenesis was a subject of discussion for many years. However, given the increasing evidence that pathological forms of tau can compromise neuronal function and that tau is likely an important mediator of Aβ toxicity, there is a growing awareness that tau is a central player in AD pathogenesis. In this review we begin with a brief history of tau, then provide an overview of pathological forms of tau, followed by a discussion of the differential degradation of tau by either the proteasome or autophagy and possible mechanisms by which pathological forms of tau may exert their toxicity. We conclude by discussing possible avenues for therapeutic intervention based on these emerging themes of tau’s role in AD.

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Crossref · 10.1111/j.1582-4934.2011.01273.x

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  1. [162]Tsvetkov AS Mitra S Finkbeiner S Protein turnover differences between neurons and other cells Autophagy 2009 5 PMC2892253 19838079

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Authors
Pritchard, S. M., Dolan, P. J., Vitkus, A., & Johnson, G. V. W.
Affiliations
University of Rochester Medicine (US)
Corresponding author
Johnson, Gail V.W.
Venue
Journal of Cellular and Molecular Medicine
Publisher
Wiley
Published
2011-07-13
Volume
15
Issue
8
Pages
1621-1635
ISSN
1582-1838 (ISSN-L)
OpenAlex
W2017363986
Cited by
89
References
184
Citations by year
2026: 2 · 2025: 7 · 2024: 3 · 2023: 2 · 2022: 3 · 2021: 2 · 2020: 8 · 2019: 1 · 2018: 5 · 2017: 9 · 2016: 6 · 2015: 2 · 2014: 6 · 2013: 10 · 2012: 15
FWCI
1.30
Type
journal article
Language
en
Open access
Locations
  • Journal of Cellular and Molecular Medicine (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Alzheimer's Association
  • National Institutes of Health
  • National Institute of Neurological Disorders and Stroke (R01NS041744, NS051279, NS041744, R01NS051279)
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
tau protein, Alzheimer's disease, tau phosphorylation, tau truncation, neurofibrillary tangles, proteasomal degradation, autophagy, tau aggregation inhibitors, microtubule-stabilizing agents, tau immunotherapy, autophagy activators, mitochondrial-targeted therapy, amyloid-beta toxicity
MeSH terms
Alzheimer Disease, Animals, Brain, Humans, Methylene Blue, Models, Biological, Amyloid beta-Peptides, Neurofibrillary Tangles, tau Proteins, Proteasome Endopeptidase Complex

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