Cited by 680Parkinson's Disease Mechanisms and TreatmentsAlzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration Mechanisms

Distinct α-Synuclein Strains Differentially Promote Tau Inclusions in Neurons

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Guo, Jing L., Covell, Dustin J., Daniels, Joshua P., Iba, Michiyo, Stieber, Anna, Zhang, Bin, Riddle, Dawn M., Kwong, Linda K. +3 more·2013·Cell

Abstract

Many neurodegenerative diseases are characterized by the accumulation of insoluble protein aggregates, including neurofibrillary tangles comprised of tau in Alzheimer's disease and Lewy bodies composed of α-synuclein in Parkinson's disease. Moreover, different pathological proteins frequently codeposit in disease brains. To test whether aggregated α-synuclein can directly cross-seed tau fibrillization, we administered preformed α-synuclein fibrils assembled from recombinant protein to primary neurons and transgenic mice. Remarkably, we discovered two distinct strains of synthetic α-synuclein fibrils that demonstrated striking differences in the efficiency of cross-seeding tau aggregation, both in neuron cultures and in vivo. Proteinase K digestion revealed conformational differences between the two synthetic α-synuclein strains and also between sarkosyl-insoluble α-synuclein extracted from two subgroups of Parkinson's disease brains. We speculate that distinct strains of pathological α-synuclein likely exist in neurodegenerative disease brains and may underlie the tremendous heterogeneity of synucleinopathies.

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Crossref · 10.1016/j.cell.2013.05.057

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  • Evidence suggests that Aβ can directly affect α-synuclein toxicity, and tau protein and α-synuclein can directly interact promoting their co-assembly.

    “Evidence suggests that Aβ can directly affect α-synuclein toxicity, and it is also known that tau protein and α-synuclein can directly interact promoting their co-assembly [124–126].”

    From The neuropathological diagnosis of Alzheimer's disease (2019) · cites this paper as [126]

    The Introduction reports that α-synuclein and tau synergistically promote each other’s fibrillization in vitro, and the paper investigates α-synuclein cross-seeding of tau aggregation. Our copy mentions Aβ plaques but does not say that Aβ directly affects α-synuclein toxicity. (LLM, conf=0.87)

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Cited by

Sorted by citations

Authors
Guo, J. L., Covell, D. J., Daniels, J. P., Iba, M., Stieber, A., Zhang, B., Riddle, D. M., Kwong, L. K., Xu, Y., Trojanowski, J. Q., & Lee, V. M. Y.
Affiliations
University of Pennsylvania (US)
Corresponding author
Lee, Virginia M.Y.
Venue
Cell
Publisher
Elsevier BV
Published
2013-07
Volume
154
Issue
1
Pages
103-117
ISSN
0092-8674 (ISSN-L)
OpenAlex
W1984766678
Cited by
680
References
11
Citations by year
2026: 28 · 2025: 40 · 2024: 44 · 2023: 40 · 2022: 38 · 2021: 52 · 2020: 67 · 2019: 63 · 2018: 57 · 2017: 57 · 2016: 54 · 2015: 59 · 2014: 63 · 2013: 18
FWCI
37.79
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute on Aging (P01AG017586, AG17586)
  • National Institute of Neurological Disorders and Stroke (NS53488, P50NS053488)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
alpha-synuclein, tau protein, cross-seeding, protein aggregation, neurofibrillary tangles, Lewy bodies, Parkinson's disease, Alzheimer's disease, synucleinopathies, proteinase K resistance, primary neurons, transgenic mice
MeSH terms
Amyloid, Animals, Cells, Cultured, Embryo, Mammalian, Humans, Male, Mice, Transgenic, Neurons, Parkinson Disease, Recombinant Proteins, tau Proteins, Mice, alpha-Synuclein

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