A calcineurin- and NFAT-dependent pathway is involved in -synuclein-induced degeneration of midbrain dopaminergic neurons
Open accessAbstract
Parkinson's disease (PD), the most common degenerative movement disorder, is caused by a preferential loss of midbrain dopaminergic (mDA) neurons. Both α-synuclein (α-syn) missense and multiplication mutations have been linked to PD. However, the underlying intracellular signalling transduction pathways of α-syn-mediated mDA neurodegeneration remain elusive. Here, we show that transgenic expression of PD-related human α-syn A53T missense mutation promoted calcineurin (CN) activity and the subsequent nuclear translocation of nuclear factor of activated T cells (NFATs) in mDA neurons. α-syn enhanced the phosphatase activity of CN in both cell-free assays and cell lines transfected with either human wild-type or A53T α-syn. Furthermore, overexpression of α-syn A53T mutation significantly increased the CN-dependent nuclear import of NFATc3 in the mDA neurons of transgenic mice. More importantly, a pharmacological inhibition of CN by cyclosporine A (CsA) ameliorated the α-syn-induced loss of mDA neurons. These findings demonstrate an active involvement of CN- and NFAT-mediated signalling pathway in α-syn-mediated degeneration of mDA neurons in PD.
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Neurons also express NFAT.
“However, recent studies have shown that neurons also express NFAT and that different neuronal cell types express different NFAT isoforms (67–70).”
From LRRK2 mediates microglial neurotoxicity via NFATc2 in rodent models of synucleinopathies (2020) · cites this paper as [67]
Different neuronal cell types express different NFAT isoforms.
“However, recent studies have shown that neurons also express NFAT and that different neuronal cell types express different NFAT isoforms (67–70).”
From LRRK2 mediates microglial neurotoxicity via NFATc2 in rodent models of synucleinopathies (2020) · cites this paper as [67]
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Calcineurin is a common target of cyclophilin-cyclosporin A and FKBP-FK506 complexes
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Sorted by citations
α-synuclein toxicity in neurodegeneration: mechanism and therapeutic strategies
Wong, Y. C., & Krainc, D. (2017) · Nature Medicine · doi:10.1038/nm.4269 · Cited by 897 · see citing works
LRRK2 mediates microglial neurotoxicity via NFATc2 in rodent models of synucleinopathies
Kim, C., Beilina, A., Smith, N., Li, Y., Kim, M., Kumaran, R., Kaganovich, A., Mamais, A., Adame, A., Iba, M., et al. (2020) · Science Translational Medicine · doi:10.1126/scitranslmed.aay0399 · Cited by 79 · see citing works
- Authors
- Luo, J., Sun, L., Lin, X., Liu, G., Yu, J., Parisiadou, L., Xie, C., Ding, J., & Cai, H.
- Affiliations
- Beijing Normal University (CN)
- National Institutes of Health (US)
- Venue
- Human Molecular Genetics
- Publisher
- Oxford University Press (OUP)
- Published
- 2014-07-22
- Volume
- 23
- Issue
- 24
- Pages
- 6567-6574
- ISSN
- 0964-6906 (ISSN-L)
- 1460-2083
- PMC
- PMC4240205
- OpenAlex
- W2106072892
- Cited by
- 79
- References
- 3
- Citations by year
- 2026: 2 · 2025: 1 · 2024: 3 · 2023: 17 · 2022: 11 · 2021: 9 · 2020: 5 · 2019: 5 · 2018: 10 · 2017: 6 · 2016: 6 · 2015: 3 · 2014: 1
- FWCI
- 3.48
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Licence
- public-domain
- Locations
- Human Molecular Genetics (publishedVersion)
- PubMed Central (publishedVersion, public-domain)
- PubMed (publishedVersion)
- Funders
- National Natural Science Foundation of China
- Sun Yat-sen University
- National Institute on Aging (AG-000929, AG-000928, ZIAAG000928, ZIAAG000929)
- Topics
- Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Signaling Pathways in Disease
- Keywords
- Parkinson's disease, alpha-synuclein, midbrain dopaminergic neurons, neurodegeneration, calcineurin, NFATc3, cyclosporine, neuroprotection, transgenic mice
- MeSH terms
- Animals, Gene Expression Regulation, Humans, Mesencephalon, Mice, Transgenic, Mutation, Parkinson Disease, Signal Transduction, Cyclosporine, Apoptosis, Calcineurin, NFATC Transcription Factors, Mice, alpha-Synuclein, HEK293 Cells, Dopaminergic Neurons, Primary Cell Culture, Calcineurin Inhibitors
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