Cited by 488Alzheimer's disease research and treatmentsNeurobiology and Insect Physiology ResearchAmyotrophic Lateral Sclerosis Research

Human wild-type tau interacts with wingless pathway components and produces neurofibrillary pathology in Drosophila

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Jackson, George R, Wiedau-Pazos, Martina, Sang, Tzu-Kang, Wagle, Naveed, Brown, Carlos A, Massachi, Sasan, Geschwind, Daniel H·2002·Neuron

Abstract

Pathologic alterations in the microtubule-associated protein tau have been implicated in a number of neurodegenerative disorders, including Alzheimer's disease (AD), progressive supranuclear palsy (PSP), and frontotemporal dementia (FTD). Here, we show that tau overexpression, in combination with phosphorylation by the Drosophila glycogen synthase kinase-3 (GSK-3) homolog and wingless pathway component (Shaggy), exacerbated neurodegeneration induced by tau overexpression alone, leading to neurofibrillary pathology in the fly. Furthermore, manipulation of other wingless signaling molecules downstream from shaggy demonstrated that components of the Wnt signaling pathway modulate neurodegeneration induced by tau pathology in vivo but suggested that tau phosphorylation by GSK-3beta differs from canonical Wnt effects on beta-catenin stability and TCF activity. The genetic system we have established provides a powerful reagent for identification of novel modifiers of tau-induced neurodegeneration that may serve as future therapeutic targets.

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Authors
Jackson, G. R., Wiedau-Pazos, M., Sang, T.-K., Wagle, N., Brown, C. A., Massachi, S., & Geschwind, D. H.
Affiliations
University of California, Los Angeles (US)
Corresponding author
Jackson, George R
Venue
Neuron
Publisher
Elsevier BV
Published
2002-05
Volume
34
Issue
4
Pages
509-519
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2012666269
Cited by
488
References
91
Citations by year
2026: 11 · 2025: 12 · 2024: 18 · 2023: 19 · 2022: 5 · 2021: 13 · 2020: 17 · 2019: 15 · 2018: 10 · 2017: 15 · 2016: 17 · 2015: 12 · 2014: 20 · 2013: 22 · 2012: 16
FWCI
19.78
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
Keywords
tau protein, tau phosphorylation, Shaggy, glycogen synthase kinase-3, Wnt signaling, neurofibrillary pathology, neurodegeneration, Drosophila model, Alzheimer's disease, frontotemporal dementia, progressive supranuclear palsy, β-catenin, disease modifiers
MeSH terms
Animals, Cytoskeletal Proteins, Disease Models, Animal, Drosophila melanogaster, Eye Abnormalities, High Mobility Group Proteins, Humans, Mutation, Nervous System Malformations, Phenotype, Repressor Proteins, Transcription Factors, Trans-Activators, Neurofibrillary Tangles, tau Proteins, Apoptosis, Protein Serine-Threonine Kinases, Calcium-Calmodulin-Dependent Protein Kinases, Photoreceptor Cells, Invertebrate, Transgenes, Insect Proteins, Drosophila Proteins, Animals, Genetically Modified, Glycogen Synthase Kinases, Glycogen Synthase Kinase 3, Inhibitor of Apoptosis Proteins, beta Catenin, Armadillo Domain Proteins

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