Cited by 642Alzheimer's disease research and treatmentsNeuroscience and Neuropharmacology ResearchNeuroinflammation and Neurodegeneration Mechanisms

Physiological release of endogenous tau is stimulated by neuronal activity

Open access
Pooler, Amy M, Phillips, Emma C, Lau, Dawn H W, Noble, Wendy, Hanger, Diane P·2013·The EMBO Reports

Abstract

Propagation of tau pathology is linked with progressive neurodegeneration, but the mechanism underlying trans-synaptic spread of tau is unknown. We show that stimulation of neuronal activity, or AMPA receptor activation, induces tau release from healthy, mature cortical neurons. Notably, phosphorylation of extracellular tau appears reduced in comparison with intracellular tau. We also find that AMPA-induced release of tau is calcium-dependent. Blocking pre-synaptic vesicle release by tetanus toxin and inhibiting neuronal activity with tetrodotoxin both significantly impair AMPA-mediated tau release. Tau secretion is therefore a regulatable process, dysregulation of which could lead to the spread of tau pathology in disease.

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Crossref · 10.1038/embor.2013.15

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  • Evidence documents active secretion of tau in normal and disease conditions.

    “Instead, evidence now documents active secretion of tau in normal and disease conditions.19,65”

    From Cerebrospinal fluid p-tau231 as an early indicator of emerging pathology in Alzheimer's disease (2022) · cites this paper as [65]

    The Introduction and Results and Discussion show regulated tau release from healthy neurons, supporting active secretion under normal conditions. The Introduction describes tau transfer in disease models, but the Results and Discussion say that presynaptic release in those models *could* explain it and that increased release in affected brain areas has not been examined. The paper therefore does not establish active secretion in disease conditions as firmly as the claim suggests. (LLM, conf=0.85)

    Experimental — accuracy not yet measured

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Cites

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Cited by

Sorted by citations

Authors
Pooler, A. M., Phillips, E. C., Lau, D. H. W., Noble, W., & Hanger, D. P.
Affiliations
King's College London (GB)
Corresponding author
Hanger, Diane P
Venue
The EMBO Reports
Published
2013-02-15
Volume
14
Issue
4
Pages
389-394
ISSN
  • 1469-221X (ISSN-L)
  • 1469-3178
OpenAlex
W2134157741
Cited by
642
References
9
Citations by year
2026: 39 · 2025: 33 · 2024: 55 · 2023: 51 · 2022: 57 · 2021: 71 · 2020: 63 · 2019: 57 · 2018: 47 · 2017: 48 · 2016: 32 · 2015: 29 · 2014: 35 · 2013: 24
FWCI
27.85
Type
journal article
Language
en
Open access
Locations
  • EMBO Reports (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (publishedVersion, other-oa)
Funders
  • Wellcome Trust
  • Henry Smith Charity
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
tau protein, neuronal activity, AMPA receptors, calcium-dependent secretion, tau phosphorylation, trans-synaptic spread, neurodegeneration, tetanus toxin, tetrodotoxin, cortical neurons
MeSH terms
Action Potentials, Animals, Cells, Cultured, Cerebral Cortex, Neurons, Potassium, Quinoxalines, tau Proteins, Rats, Sprague-Dawley, Receptors, AMPA, Rats, Primary Cell Culture

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