Cited by 664Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchPrion Diseases and Protein Misfolding

Synthetic Tau Fibrils Mediate Transmission of Neurofibrillary Tangles in a Transgenic Mouse Model of Alzheimer's-Like Tauopathy

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Iba, Michiyo, Guo, Jing L., McBride, Jennifer D., Zhang, Bin, Trojanowski, John Q., Lee, Virginia M.-Y.·2013·The Journal of Neuroscience

Abstract

Tauopathies, including Alzheimer's disease (AD) and frontotemporal lobar degeneration with tau pathologies, are neurodegenerative diseases characterized by neurofibrillary tangles (NFTs) comprising filamentous tau protein. Although emerging evidence suggests that tau pathology may be transmitted, we demonstrate here that synthetic tau fibrils are sufficient to transmit tau inclusions in a mouse model. Specifically, intracerebral inoculation of young PS19 mice overexpressing mutant human tau (P301S) with synthetic preformed fibrils (pffs) assembled from recombinant full-length tau or truncated tau containing four microtubule binding repeats resulted in rapid induction of NFT-like inclusions that propagated from injected sites to connected brain regions in a time-dependent manner. Interestingly, injection of tau pffs into either hippocampus or striatum together with overlaying cortex gave rise to distinct pattern of spreading. Moreover, unlike tau pathology that spontaneously develops in old PS19 mice, the pff-induced tau inclusions more closely resembled AD NFTs because they were Thioflavin S positive, acetylated, and more resistant to proteinase K digestion. Together, our study demonstrates that synthetic tau pffs alone are capable of inducing authentic NFT-like tau aggregates and initiating spreading of tau pathology in a tauopathy mouse model.

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Crossref · 10.1523/jneurosci.2642-12.2013

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  • Mice have primarily monocular vision, with >95% of retinal ganglion cells projecting into the contralateral side of the brain, allowing the unaffected side to serve as an internal control.

    “As mice have primarily monocular vision, with >95% of RGCs projecting into the contralateral side of the brain, the unaffected side of the visual system can serve as an internal control 26, 27”

    From Amyloid-beta induced retrograde axonal degeneration in a mouse tauopathy model (2019) · cites this paper as [26]

    The Materials and Methods section describes comparing injected and contralateral hippocampi, and the Results report tau pathology in both; neither passage concerns the visual system. Searches for retinal ganglion cells, monocular vision, and the claimed >95% contralateral projection found no passage addressing those points or the proposed visual-system control. Page numbers were not available in our copy. (LLM, conf=0.76)

    Experimental — accuracy not yet measured
  • Seeded synthetic tau fibrils, or brain extracts from tau transgenic mice or human patients with tauopathy injected into the brain of tau transgenic or WT mice induce pathological tau spreading at sites distal to the injection site.

    “seeded synthetic tau fibrils, or brain extracts from tau transgenic mice or human patients with tauopathy injected into the brain of tau transgenic or WT mice was found to induce pathological tau spreading at sites distal to the injection site [232–235].”

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Authors
Iba, M., Guo, J. L., McBride, J. D., Zhang, B., Trojanowski, J. Q., & Lee, V. M.-Y.
Affiliations
University of Pennsylvania (US)
Venue
The Journal of Neuroscience
Published
2013-01-16
Volume
33
Issue
3
Pages
1024-1037
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2033672635
Cited by
664
References
45
Citations by year
2026: 23 · 2025: 45 · 2024: 45 · 2023: 33 · 2022: 48 · 2021: 74 · 2020: 66 · 2019: 62 · 2018: 46 · 2017: 51 · 2016: 49 · 2015: 48 · 2014: 47 · 2013: 27
FWCI
39.69
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Cure Alzheimer's Fund
  • National Institute on Aging (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 › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Prion Diseases and Protein Misfolding
Keywords
tauopathy, Alzheimer's disease, neurofibrillary tangles, preformed fibrils, P301S tau, PS19 mice, tau aggregation, microtubule-binding repeats, thioflavin S, proteinase K resistance, transgenic mouse model
MeSH terms
Alzheimer Disease, Animals, Brain, Disease Models, Animal, Mice, Transgenic, Phosphorylation, Neurofibrillary Tangles, tau Proteins, Tauopathies, Mice

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