Cited by 26Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Monoclonal antibody Y01 prevents tauopathy progression induced by lysine 280–acetylated tau in cell and mouse models

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Song, Ha-Lim, Kim, Na-Young, Park, Jaewan, Kim, Meong Il, Jeon, Yu-Na, Lee, Se-Jong, Cho, Kwangmin, Shim, Young-Lim +11 more·2023·Journal of Clinical Investigation

Abstract

The spatiotemporal pattern of the spread of pathologically modified tau through brain regions in Alzheimer's disease (AD) can be explained by prion-like cell-to-cell seeding and propagation of misfolded tau aggregates. Hence, to develop targeted therapeutic antibodies, it is important to identify the seeding- and propagation-competent tau species. The hexapeptide 275VQIINK280 of tau is a critical region for tau aggregation, and K280 is acetylated in various tauopathies, including AD. However, the mechanism that links tau acetylated on lysine 280 (tau-acK280) to subsequent progression to neurodegenerative disease remains unclear. Here, we demonstrate that tau-acK280 is critical for tau propagation processes including secretion, aggregation, and seeding. We developed an antibody, Y01, that specifically targets tau-acK280 and solved the crystal structure of Y01 in complex with an acK280 peptide. The structure confirmed that Y01 directly recognizes acK280 and the surrounding residues. Strikingly, upon interaction with acetylated tau aggregates, Y01 prevented tauopathy progression and increased neuronal viability in neuron cultures and in tau-Tg mice through antibody-mediated neutralization and phagocytosis, respectively. Based on our observations that tau-acK280 is a core species involved in seeding and propagation activities, the Y01 antibody that specifically recognizes acK280 represents a promising therapeutic candidate for AD and other neurodegenerative diseases associated with tauopathy.

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Authors
Song, H.-L., Kim, N.-Y., Park, J., Kim, M. I., Jeon, Y.-N., Lee, S.-J., Cho, K., Shim, Y.-L., Lee, K.-H., Mun, Y.-S., Song, J.-A., Kim, M.-S., Pack, C.-G., Jung, M., Jang, H., Na, D. L., Hong, M., Kim, D.-H., & Yoon, S.-Y.
Affiliations
  • Yonsei University (KR)
  • Asan Medical Center (KR)
  • Korea Brain Research Institute (KR)
  • Samsung Medical Center (KR)
  • University of Ulsan (KR)
Corresponding author
  • Hong, Minsun
  • Kim, Dong-Hou
  • Yoon, Seung-Yong
Venue
Journal of Clinical Investigation
Published
2023-04-17
Volume
133
Issue
8
ISSN
  • 0021-9738 (ISSN-L)
  • 1558-8238
OpenAlex
W4324129007
Cited by
26
References
69
Citations by year
2026: 6 · 2025: 8 · 2024: 8 · 2023: 4
FWCI
4.59
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Ministry of Science, ICT, and Future Planning (2018R1A2A1A05077403,2018R1A2B6001619)
  • Ministry of Health & Welfare, Republic of Korea (HI20C0654)
  • Korean government (2018R1A5A2020732)
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, tauopathy, Alzheimer's disease, tau propagation, prion-like seeding, tau aggregation, antibody neutralization, phagocytosis, therapeutic antibodies, crystal structure
MeSH terms
Alzheimer Disease, Animals, Antibodies, Monoclonal, Brain, Disease Models, Animal, Lysine, tau Proteins, Neurodegenerative Diseases, Tauopathies, Mice

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