Cited by 103Alzheimer's disease research and treatmentsAmyotrophic Lateral Sclerosis ResearchDementia and Cognitive Impairment Research

Human iPSC-derived neuronal model of Tau-A152T frontotemporal dementia reveals tau-mediated mechanisms of neuronal vulnerability

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Silva, M. Catarina, Cheng, Chialin, Mair, Waltraud, Almeida, Sandra, Fong, Helen, Biswas, M. Helal U., Zhang, Zhijun, Huang, Yadong +9 more·2016·Stem Cell Reports

Abstract

Frontotemporal dementia (FTD) and other tauopathies characterized by focal brain neurodegeneration and pathological accumulation of proteins are commonly associated with tau mutations. However, the mechanism of neuronal loss is not fully understood. To identify molecular events associated with tauopathy, we studied induced pluripotent stem cell (iPSC)-derived neurons from individuals carrying the tau-A152T variant. We highlight the potential of in-depth phenotyping of human neuronal cell models for pre-clinical studies and identification of modulators of endogenous tau toxicity. Through a panel of biochemical and cellular assays, A152T neurons showed accumulation, redistribution, and decreased solubility of tau. Upregulation of tau was coupled to enhanced stress-inducible markers and cell vulnerability to proteotoxic, excitotoxic, and mitochondrial stressors, which was rescued upon CRISPR/Cas9-mediated targeting of tau or by pharmacological activation of autophagy. Our findings unmask tau-mediated perturbations of specific pathways associated with neuronal vulnerability, revealing potential early disease biomarkers and therapeutic targets for FTD and other tauopathies.

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Authors
Silva, M. C., Cheng, C., Mair, W., Almeida, S., Fong, H., Biswas, M. H. U., Zhang, Z., Huang, Y., Temple, S., Coppola, G., Geschwind, D. H., Karydas, A., Miller, B. L., Kosik, K. S., Gao, F.-B., Steen, J. A., & Haggarty, S. J.
Affiliations
  • Harvard University (US)
  • Boston Children's Hospital (US)
  • University of Massachusetts Chan Medical School (US)
  • University of California, San Francisco (US)
  • Neural Stem Cell Institute (US)
  • University of California, Los Angeles (US)
  • University of California, Santa Barbara (US)
Corresponding author
Haggarty, Stephen J.
Venue
Stem Cell Reports
Publisher
Elsevier BV
Published
2016-09
Volume
7
Issue
3
Pages
325-340
ISSN
2213-6711 (ISSN-L)
OpenAlex
W2516117108
Cited by
103
References
64
Citations by year
2026: 5 · 2025: 5 · 2024: 7 · 2023: 8 · 2022: 10 · 2021: 16 · 2020: 16 · 2019: 13 · 2018: 9 · 2017: 12 · 2016: 2
FWCI
9.65
Type
journal article
Language
en
Open access
Locations
  • Stem Cell Reports (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
  • Digital Access to Scholarship at Harvard (DASH) (Harvard University) (submittedVersion, cc-by)
  • The Journal of the American Medical Association (JAMA) Network (American Medical Association) (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • AFTD (1R21NS085487)
  • Bluefield Project to Cure Frontotemporal Dementia (P50AG023501, P01AG019724)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
frontotemporal dementia, tauopathy, iPSC-derived neurons, neuronal vulnerability, tau aggregation, proteotoxicity, excitotoxicity, mitochondrial stress, autophagy, CRISPR/Cas9 genome editing, disease biomarkers, therapeutic target
MeSH terms
Autophagy, Cell Differentiation, Cell Line, Codon, Gene Expression Regulation, Humans, Mutation, Neurons, Protein Processing, Post-Translational, Stress, Physiological, Biomarkers, tau Proteins, Amino Acid Substitution, Protein Isoforms, Induced Pluripotent Stem Cells, Frontotemporal Dementia, Neural Stem Cells

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