Cited by 49Parkinson's Disease Mechanisms and TreatmentsAlzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration Mechanisms

Fatty Acid Binding Protein 3 Enhances the Spreading and Toxicity of α-Synuclein in Mouse Brain

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Yabuki, Yasushi, Matsuo, Kazuya, Kawahata, Ichiro, Fukui, Naoya, Mizobata, Tomohiro, Kawata, Yasushi, Owada, Yuji, Shioda, Norifumi +1 more·2020·International Journal of Molecular Sciences

Abstract

Oligomerization and/or aggregation of α-synuclein (α-Syn) triggers α-synucleinopathies such as Parkinson’s disease and dementia with Lewy bodies. It is known that α-Syn can spread in the brain like prions; however, the mechanism remains unclear. We demonstrated that fatty acid binding protein 3 (FABP3) promotes propagation of α-Syn in mouse brain. Animals were injected with mouse or human α-Syn pre-formed fibrils (PFF) into the bilateral substantia nigra pars compacta (SNpc). Two weeks after injection of mouse α-Syn PFF, wild-type (WT) mice exhibited motor and cognitive deficits, whereas FABP3 knock-out (Fabp3−/−) mice did not. The number of phosphorylated α-Syn (Ser-129)-positive cells was significantly decreased in Fabp3−/− mouse brain compared to that in WT mice. The SNpc was unilaterally infected with AAV-GFP/FABP3 in Fabp3−/− mice to confirm the involvement of FABP3 in the development of α-Syn PFF toxicity. The number of tyrosine hydroxylase (TH)- and phosphorylated α-Syn (Ser-129)-positive cells following α-Syn PFF injection significantly decreased in Fabp3−/− mice and markedly increased by AAV-GFP/FABP3 infection. Finally, we confirmed that the novel FABP3 inhibitor MF1 significantly antagonized motor and cognitive impairments by preventing α-Syn spreading following α-Syn PFF injection. Overall, FABP3 enhances α-Syn spreading in the brain following α-Syn PFF injection, and the FABP3 ligand MF1 represents an attractive therapeutic candidate for α-synucleinopathy.

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  1. [64]Paxinos G. Franklin K.B.J. The Mouse Brain in Stereotaxic Coordinates Academic Press San Diego, CA, USA 2001

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Authors
Yabuki, Y., Matsuo, K., Kawahata, I., Fukui, N., Mizobata, T., Kawata, Y., Owada, Y., Shioda, N., & Fukunaga, K.
Affiliations
  • Tohoku University (JP)
  • Department of Pharmacology, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Miyagi 980-8578, Japan
  • Tottori University (JP)
  • Institute of Molecular Embryology and Genetics, Kumamoto University (JP)
Corresponding author
Fukunaga, Kohji
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2020-03-23
Volume
21
Issue
6
Pages
2230
ISSN
1422-0067 (ISSN-L)
OpenAlex
W3012697258
Cited by
49
References
63
Citations by year
2026: 7 · 2025: 7 · 2024: 7 · 2023: 6 · 2022: 5 · 2021: 13 · 2020: 3 · 2019: 1
FWCI
2.92
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Japan Agency for Medical Research and Development (JP17dm0107071, JP19dm0107071, JP18dm0107071)
  • Ono Medical Research Foundation
  • Japan Society for the Promotion of Science (20H03393, 15H06036, 20K21400, 19K07097, 20K11609, 16H05219, 18J20651)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
fatty acid binding protein 3, alpha-synuclein, synucleinopathies, Parkinson's disease, dementia with Lewy bodies, preformed fibrils, prion-like propagation, substantia nigra pars compacta, alpha-synuclein phosphorylation, tyrosine hydroxylase, AAV gene transfer, motor impairment, cognitive impairment, therapeutic target
MeSH terms
Fatty Acid Binding Protein 3, Synucleinopathies, Animals, Brain, Cognition, Disease Models, Animal, Fluorescent Antibody Technique, Humans, Immunohistochemistry, Neurons, Phosphorylation, Tyrosine 3-Monooxygenase, Mice, Knockout, Mice, alpha-Synuclein

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