Cited by 120Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Tau Antibody Targeting Pathological Species Blocks Neuronal Uptake and Interneuron Propagation of Tau in Vitro

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Nobuhara, Chloe K., DeVos, Sarah L., Commins, Caitlin, Wegmann, Susanne, Moore, Benjamin D., Roe, Allyson D., Costantino, Isabel, Frosch, Matthew P. +13 more·2017·The American Journal of Pathology

Abstract

The clinical progression of Alzheimer disease (AD) is associated with the accumulation of tau neurofibrillary tangles, which may spread throughout the cortex by interneuronal tau transfer. If so, targeting extracellular tau species may slow the spreading of tau pathology and possibly cognitive decline. To identify suitable target epitopes, we tested the effects of a panel of tau antibodies on neuronal uptake and aggregation in vitro. Immunodepletion was performed on brain extract from tau-transgenic mice and postmortem AD brain and added to a sensitive fluorescence resonance energy transfer-based tau uptake assay to assess blocking efficacy. The antibodies reduced tau uptake in an epitope-dependent manner: N-terminal (Tau13) and middomain (6C5 and HT7) antibodies successfully prevented uptake of tau species, whereas the distal C-terminal-specific antibody (Tau46) had little effect. Phosphorylation-dependent (40E8 and p396) and C-terminal half (4E4) tau antibodies also reduced tau uptake despite removing less total tau by immunodepletion, suggesting specific interactions with species involved in uptake. Among the seven antibodies evaluated, 6C5 most efficiently blocked uptake and subsequent aggregation. More important, 6C5 also blocked neuron-to-neuron spreading of tau in a unique three-chamber microfluidic device. Furthermore, 6C5 slowed down the progression of tau aggregation even after uptake had begun. Our results imply that not all antibodies/epitopes are equally robust in terms of blocking tau uptake of human AD-derived tau species.

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Authors
Nobuhara, C. K., DeVos, S. L., Commins, C., Wegmann, S., Moore, B. D., Roe, A. D., Costantino, I., Frosch, M. P., Pitstick, R., Carlson, G. A., Hock, C., Nitsch, R. M., Montrasio, F., Grimm, J., Cheung, A. E., Dunah, A. W., Wittmann, M., Bussiere, T., Weinreb, P. H., Hyman, B. T., & Takeda, S.
Affiliations
  • Harvard University (US)
  • McLaughlin Research Institute (US)
  • University of Zurich (CH)
  • Biogen (United States) (US)
Corresponding author
  • Hyman, Bradley T.
  • Takeda, Shuko
Venue
The American Journal of Pathology
Publisher
Elsevier BV
Published
2017-06
Volume
187
Issue
6
Pages
1399-1412
ISSN
0002-9440 (ISSN-L)
OpenAlex
W2605815830
Cited by
120
References
36
Citations by year
2026: 5 · 2025: 9 · 2024: 10 · 2023: 10 · 2022: 12 · 2021: 22 · 2020: 18 · 2019: 15 · 2018: 16 · 2017: 3
FWCI
10.52
Type
journal article
Language
en
Open access
Locations
  • American Journal Of Pathology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion)
  • Zurich Open Repository and Archive (University of Zurich)
Funders
  • NIH (AG026249)
  • Massachusetts Alzheimer's Disease Research Center (P50AG05134)
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 antibodies, Alzheimer's disease, neurofibrillary tangles, tau aggregation, epitope specificity, tau phosphorylation
MeSH terms
Aged, 80 and over, Alzheimer Disease, Animals, Antibodies, Monoclonal, Epitopes, Brain, Cells, Cultured, Female, Humans, Interneurons, Male, Mice, Transgenic, Neurons, Phosphorylation, Neurofibrillary Tangles, tau Proteins, Microfluidic Analytical Techniques, Molecular Targeted Therapy

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