The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.
αβγ-Synuclein triple knockout mice reveal age-dependent neuronal dysfunction
Open accessAbstract
Synucleins are a vertebrate-specific family of abundant neuronal proteins. They comprise three closely related members, α-, β-, and γ-synuclein. α-Synuclein has been the focus of intense attention since mutations in it were identified as a cause for familial Parkinson's disease. Despite their disease relevance, the normal physiological function of synucleins has remained elusive. To address this, we generated and characterized αβγ-synuclein knockout mice, which lack all members of this protein family. Deletion of synucleins causes alterations in synaptic structure and transmission, age-dependent neuronal dysfunction, as well as diminished survival. Abrogation of synuclein expression decreased excitatory synapse size by ∼30% both in vivo and in vitro, revealing that synucleins are important determinants of presynaptic terminal size. Young synuclein null mice show improved basic transmission, whereas older mice show a pronounced decrement. The late onset phenotypes in synuclein null mice were not due to a loss of synapses or neurons but rather reflect specific changes in synaptic protein composition and axonal structure. Our results demonstrate that synucleins contribute importantly to the long-term operation of the nervous system and that alterations in their physiological function could contribute to the development of Parkinson's disease.
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Cited by
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α-Synuclein strains cause distinct synucleinopathies after local and systemic administration
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α-Synuclein misfolding and Parkinson's disease
Breydo, L., Wu, J. W., & Uversky, V. N. (2012) · Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease · doi:10.1016/j.bbadis.2011.10.002 · Cited by 657
Metadata
- Authors
- Greten-Harrison, B., Polydoro, M., Morimoto-Tomita, M., Diao, L., Williams, A. M., Nie, E. H., Makani, S., Tian, N., Castillo, P. E., Buchman, V. L., & Chandra, S. S.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2010-10-25
- Volume
- 107
- Issue
- 45
- Pages
- 19573-19578
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2058894111
- Cited by
- 312
- References
- 8
- FWCI
- 11.46
- Type
- journal article
- Language
- en
- Open access
- green
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- Greten-Harrison, B., Polydoro, M., Morimoto-Tomita, M., Diao, L., Williams, A. M., Nie, E. H., Makani, S., Tian, N., Castillo, P. E., Buchman, V. L., & Chandra, S. S. (2010). αβγ-Synuclein triple knockout mice reveal age-dependent neuronal dysfunction. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1005005107
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