Cited by 72Alzheimer's disease research and treatmentsMitochondrial Function and PathologyDementia and Cognitive Impairment Research

Partial inhibition of mitochondrial complex I ameliorates Alzheimer’s disease pathology and cognition in APP/PS1 female mice

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Stojakovic, Andrea, Trushin, Sergey, Sheu, Anthony, Khalili, Layla, Chang, Su-Youne, Li, Xing, Christensen, Trace, Salisbury, Jeffrey L. +28 more·2021·Communications Biology

Published version of a preprint

Abstract

Abstract Alzheimer’s Disease (AD) is a devastating neurodegenerative disorder without a cure. Here we show that mitochondrial respiratory chain complex I is an important small molecule druggable target in AD. Partial inhibition of complex I triggers the AMP-activated protein kinase-dependent signaling network leading to neuroprotection in symptomatic APP/PS1 female mice, a translational model of AD. Treatment of symptomatic APP/PS1 mice with complex I inhibitor improved energy homeostasis, synaptic activity, long-term potentiation, dendritic spine maturation, cognitive function and proteostasis, and reduced oxidative stress and inflammation in brain and periphery, ultimately blocking the ongoing neurodegeneration. Therapeutic efficacy in vivo was monitored using translational biomarkers FDG-PET, 31 P NMR, and metabolomics. Cross-validation of the mouse and the human transcriptomic data from the NIH Accelerating Medicines Partnership–AD database demonstrated that pathways improved by the treatment in APP/PS1 mice, including the immune system response and neurotransmission, represent mechanisms essential for therapeutic efficacy in AD patients.

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  1. [76]Franklin, K. B. J. & Paxinos, G. The Mouse Brain in Stereotaxic Coordinates (Academic Press, Boston, 2008).

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Authors
Stojakovic, A., Trushin, S., Sheu, A., Khalili, L., Chang, S.-Y., Li, X., Christensen, T., Salisbury, J. L., Geroux, R. E., Gateno, B., Flannery, P. J., Dehankar, M., Funk, C. C., Wilkins, J., Stepanova, A., O’Hagan, T., Galkin, A., Nesbitt, J., Zhu, X., Tripathi, U., Macura, S., Tchkonia, T., Pirtskhalava, T., Kirkland, J. L., Kudgus, R. A., Schoon, R. A., Reid, J. M., Yamazaki, Y., Kanekiyo, T., Zhang, S., Nemutlu, E., Dzeja, P., Jaspersen, A., Kwon, Y. I. C., Lee, M. K., & Trushina, E.
Affiliations
  • Mayo Clinic (US)
  • University of Minnesota (US)
  • Institute for Systems Biology (US)
  • Columbia University Irving Medical Center (US)
  • Hacettepe University (TR)
Corresponding author
Trushina, Eugenia
Venue
Communications Biology
Published
2021-01-08
Volume
4
Issue
1
Pages
61-61
ISSN
2399-3642 (ISSN-L)
OpenAlex
W3120159357
Cited by
72
References
89
Citations by year
2026: 11 · 2025: 13 · 2024: 10 · 2023: 18 · 2022: 10 · 2021: 9 · 2020: 1
FWCI
7.35
Type
journal article
Language
en
Open access
Locations
  • Communications Biology (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Alzheimer’s Drug Discovery Foundation (291204)
  • U.S. Department of Health & Human Services | NIH | National Institute of Neurological Disorders and Stroke (R01NS107265)
  • U.S. Department of Health & Human Services | NIH | National Institute on Aging (RO1AG062135, RF1AG55549)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Alzheimer's disease, mitochondrial complex I inhibition, APP/PS1 mice, AMPK, neuroprotection, energy homeostasis, synaptic function, long-term potentiation, dendritic spine maturation, proteostasis, oxidative stress, neuroinflammation, cognitive function, mitochondrial respiratory chain
MeSH terms
Neuroprotection, Proof of Concept Study, Alzheimer Disease, Animals, Brain, Cognition, Disease Models, Animal, Drug Evaluation, Preclinical, Female, Mice, Inbred C57BL, Mice, Transgenic, Pyrones, Signal Transduction, Electron Transport Complex I, Mice

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