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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 access
Greten-Harrison, Becket, Polydoro, Manuela, Morimoto-Tomita, Megumi, Diao, Ling, Williams, Andrew M., Nie, Esther H., Makani, Sachin, Tian, Ning, Castillo, Pablo E., Buchman, Vladimir L., Chandra, Sreeganga S.·2010·Proceedings of the National Academy of Sciences

Abstract

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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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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CoChat. (2026). Citation check: αβγ-Synuclein triple knockout mice reveal age-dependent neuronal dysfunction. https://app.cochat.ai/papers/10.1073/pnas.1005005107
The paper
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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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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