Cited by 101Genetic Neurodegenerative DiseasesAutophagy in Disease and TherapyAmyotrophic Lateral Sclerosis Research

Age-related Huntington’s disease progression modeled in directly reprogrammed patient-derived striatal neurons highlights impaired autophagy

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Oh, Young Mi, Lee, Seong Won, Kim, Woo Kyung, Chen, Shawei, Church, Victoria A., Cates, Kitra, Li, Tiandao, Zhang, Bo +6 more·2022·Nature Neuroscience

Abstract

Huntington's disease (HD) is an inherited neurodegenerative disorder with adult-onset clinical symptoms, but the mechanism by which aging drives the onset of neurodegeneration in patients with HD remains unclear. In this study we examined striatal medium spiny neurons (MSNs) directly reprogrammed from fibroblasts of patients with HD to model the age-dependent onset of pathology. We found that pronounced neuronal death occurred selectively in reprogrammed MSNs from symptomatic patients with HD (HD-MSNs) compared to MSNs derived from younger, pre-symptomatic patients (pre-HD-MSNs) and control MSNs from age-matched healthy individuals. We observed age-associated alterations in chromatin accessibility between HD-MSNs and pre-HD-MSNs and identified miR-29b-3p, whose age-associated upregulation promotes HD-MSN degeneration by impairing autophagic function through human-specific targeting of the STAT3 3' untranslated region. Reducing miR-29b-3p or chemically promoting autophagy increased the resilience of HD-MSNs against neurodegeneration. Our results demonstrate miRNA upregulation with aging in HD as a detrimental process driving MSN degeneration and potential approaches for enhancing autophagy and resilience of HD-MSNs.

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  • This miRNA-induced neuronal state can synergize with additional transcription factors to generate disease-relevant neuronal subtypes that recapitulate age-dependent neuropathology, including primary tauopathy and adult-onset neurodegeneration of Huntington's disease.

    “This miRNA-induced neuronal state can synergize with additional transcription factors (TFs) to generate disease-relevant neuronal subtypes that recapitulate age-dependent neuropathology (26, 28, 30, 31), including primary tauopathy and adult-onset neurodegeneration of Huntington’s disease (20, 32, 33).”
  • Counteracting aging pathways has been shown to lower age- and disease stage-dependent neurodegeneration in a patient-derived Huntington disease model.

    “Indeed, counteracting aging pathways has been shown to lower age- and disease stage-dependent neurodegeneration in a patient-derived Huntington disease model (32).”

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Authors
Oh, Y. M., Lee, S. W., Kim, W. K., Chen, S., Church, V. A., Cates, K., Li, T., Zhang, B., Dolle, R. E., Dahiya, S., Pak, S. C., Silverman, G. A., Perlmutter, D. H., & Yoo, A. S.
Affiliations
Washington University in St. Louis (US)
Corresponding author
Yoo, Andrew S.
Venue
Nature Neuroscience
Published
2022-10-27
Volume
25
Issue
11
Pages
1420-1433
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W4307498144
Cited by
100
References
60
Citations by year
2026: 19 · 2025: 23 · 2024: 35 · 2023: 22 · 2022: 1
FWCI
8.95
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Cellular and Molecular Biology Training Program
  • CHDI Foundation
  • Cure Alzheimer's Fund
  • Hereditary Disease Foundation
  • U.S. Department of Health & Human Services | NIH | National Institute on Aging (RF1AG056296)
  • U.S. Department of Health & Human Services | NIH | National Institute of Neurological Disorders and Stroke (R01NS107488)
  • Farrell Foundation Fund and Mallinckrodt Scholar Award
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Genetic Neurodegenerative Diseases
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
  • Health Sciences › Medicine › Neurology › Amyotrophic Lateral Sclerosis Research
Keywords
Huntington's disease, age-related neurodegeneration, striatal medium spiny neurons, direct reprogramming, fibroblast-to-neuron conversion, autophagy, miR-29b-3p, chromatin accessibility, neuronal cell death, disease onset, patient-derived neurons
MeSH terms
Animals, Autophagy, Corpus Striatum, Disease Models, Animal, Humans, Huntington Disease, Neurons, Disease Progression, MicroRNAs

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