Cited by 133Alzheimer's disease research and treatmentsGlaucoma and retinal disordersAldose Reductase and Taurine

Tau inclusions in retinal ganglion cells of human P301S tau transgenic mice: effects on axonal viability

Gasparini, Laura, Anthony Crowther, R., Martin, Keith R., Berg, Nicola, Coleman, Michael, Goedert, Michel, Spillantini, Maria Grazia·2011·Neurobiology of Aging

Abstract

Tau inclusions play a key role in the pathogenesis of tauopathies. Altered tau levels have been detected in retina and optic nerve of patients with glaucoma, suggesting the possibility of shared pathogenic mechanisms with tauopathies. Here we report that hyperphosphorylated transgenic tau accumulates in the nerve fibre layer and, from 2 months of age, aggregates into filamentous inclusions in retinal ganglion cells of human P301S tau transgenic mice. Axonopathy and accumulation of hyperphosphorylated tau in the nerve fibre layer preceded inclusion formation. Hyperphosphorylated tau and tau inclusions were also detected in cultured retinal explants from 5-month-old transgenic mice. Axonal outgrowth was similar in transgenic and wild-type retinal explants under basal conditions. However, when exposed to growth-promoting stimuli, axon elongation was enhanced in explants from wild-type but not transgenic mice, indicating that the presence of abnormal tau can impair stimulated axonal outgrowth. These findings suggest that the retina is a good model system for investigating tau-driven neurodegeneration and for assessing potential pharmacological modifiers for tauopathies.

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Crossref · 10.1016/j.neurobiolaging.2009.03.002

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Authors
Gasparini, L., Anthony Crowther, R., Martin, K. R., Berg, N., Coleman, M., Goedert, M., & Spillantini, M. G.
Affiliations
  • University of Cambridge (GB)
  • Babraham Institute (GB)
  • MRC Laboratory of Molecular Biology (GB)
Corresponding author
  • Gasparini, Laura
  • Spillantini, Maria Grazia
Venue
Neurobiology of Aging
Publisher
Elsevier BV
Published
2011-03
Volume
32
Issue
3
Pages
419-433
ISSN
0197-4580 (ISSN-L)
OpenAlex
W2023985004
Cited by
133
References
63
Citations by year
2026: 1 · 2025: 1 · 2024: 13 · 2023: 9 · 2022: 10 · 2021: 21 · 2020: 9 · 2019: 5 · 2018: 12 · 2017: 8 · 2016: 15 · 2015: 4 · 2014: 8 · 2013: 7 · 2012: 6
FWCI
2.21
Type
journal article
Language
en
Open access
closed
Locations
  • Neurobiology of Aging (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Medical Research Council
  • Alzheimer's Research Trust
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Ophthalmology › Glaucoma and retinal disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Aldose Reductase and Taurine
Keywords
tau inclusions, P301S tau, tauopathy, retinal ganglion cells, axonopathy, hyperphosphorylated tau, glaucoma, axon growth, tau transgenic mice, retinal explants, neurodegeneration
MeSH terms
Analysis of Variance, Animals, Axons, Bacterial Proteins, Inclusion Bodies, Disease Models, Animal, Humans, Luminescent Proteins, Mice, Inbred C57BL, Mice, Transgenic, Mutation, Nerve Tissue Proteins, Ophthalmoscopy, Organ Culture Techniques, Phosphorylation, Proline, Retinal Ganglion Cells, Serine, tau Proteins, Neurofilament Proteins, Tauopathies, Intercellular Signaling Peptides and Proteins, Microscopy, Electron, Transmission, Mice

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