Cited by 724Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

The acetylation of tau inhibits its function and promotes pathological tau aggregation

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Cohen, Todd J., Guo, Jing L., Hurtado, David E., Kwong, Linda K., Mills, Ian P., Trojanowski, John Q., Lee, Virginia M. Y.·2011·Nature Communications

Abstract

The microtubule associated protein tau promotes neuronal survival through binding and stabilization of MTs. Phosphorylation regulates tau-microtubule interactions and hyperphosphorylation contributes to the aberrant formation of insoluble tau aggregates in Alzheimer's disease (AD) and related tauopathies. However, other pathogenic post-translational tau modifications have not been well characterized. Here we demonstrate that tau acetylation inhibits tau function via impaired tau-microtubule interactions and promotes pathological tau aggregation. Mass spectrometry analysis identified specific lysine residues, including lysine 280 (K280) within the microtubule-binding motif as the major sites of tau acetylation. Immunohistochemical and biochemical studies of brains from tau transgenic mice and patients with AD and related tauopathies showed that acetylated tau pathology is specifically associated with insoluble, Thioflavin-positive tau aggregates. Thus, tau K280 acetylation in our studies was only detected in diseased tissue, suggesting it may have a role in pathological tau transformation. This study suggests that tau K280 acetylation is a potential target for drug discovery and biomarker development for AD and related tauopathies.

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Authors
Cohen, T. J., Guo, J. L., Hurtado, D. E., Kwong, L. K., Mills, I. P., Trojanowski, J. Q., & Lee, V. M. Y.
Affiliations
  • University of Pennsylvania (US)
  • University of Pennsylvania Health System (US)
Corresponding author
Lee, Virginia M. Y.
Venue
Nature Communications
Published
2011-03-22
Volume
2
Issue
1
Pages
252-252
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2048332130
Cited by
724
References
29
Citations by year
2026: 46 · 2025: 49 · 2024: 49 · 2023: 55 · 2022: 56 · 2021: 72 · 2020: 64 · 2019: 42 · 2018: 62 · 2017: 41 · 2016: 41 · 2015: 43 · 2014: 33 · 2013: 37 · 2012: 23
FWCI
22.46
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
National Institute on Aging (AG-010124, P30AG010124, P01AG017586, AG17586)
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 acetylation, tau protein, tau aggregation, Alzheimer's disease, tauopathy, post-translational modification, microtubule stabilization, biomarkers, therapeutic target
MeSH terms
Acetylation, Aged, Aged, 80 and over, Alzheimer Disease, Animals, Brain, Female, Humans, Immunohistochemistry, Lysine, Male, Membrane Proteins, Mice, Transgenic, Microtomy, Microtubules, Middle Aged, Neurons, Phosphorylation, Protein Binding, Protein Processing, Post-Translational, Recombinant Proteins, Mass Spectrometry, Transfection, tau Proteins, Mice, HEK293 Cells

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