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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-25471

Nuber, S; Franck, T; Wolburg, H; Schumann, U; Casadei, N; Fischer, K; Calaminus, C; Pichler, B J; Chanarat, S; Teismann, P; Schulz, J B; Luft, A R; Tomiuk, J; Wilbertz, J; Bornemann, A; Krüger, R; Riess, O (2010). Transgenic overexpression of the alpha-synuclein interacting protein synphilin-1 leads to behavioral and neuropathological alterations in mice. Neurogenetics, 11(1):107-120.

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Synphilin-1 has been identified as an interacting protein of alpha-synuclein, Parkin, and LRRK2, proteins which are mutated in familial forms of Parkinson’s disease (PD). Subsequently, synphilin-1 has also been shown to be an intrinsic component of Lewy bodies in sporadic PD. In order to elucidate the role of synphilin-1 in the pathogenesis of PD, we generated transgenic mice overexpressing wild-type and mutant (R621C) synphilin-1 driven by a mouse prion protein promoter. Transgenic expression of both wild-type and the R621C variant synphilin-1 resulted in increased dopamine levels of the nigrostriatal system in 3-month-old mice. Furthermore, we found pathological ubiquitin-positive inclusions in cerebellar sections and dark-cell degeneration of Purkinje cells. Both transgenic mouse lines showed significant reduction of motor skill learning and motor performance. These findings suggest a pathological role of overexpressed synphilin-1 in vivo and will help to further elucidate the mechanisms of protein aggregation and neuronal cell death.


14 citations in Web of Science®
12 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Neurology
Dewey Decimal Classification:610 Medicine & health
Date:February 2010
Deposited On:10 Dec 2009 12:11
Last Modified:05 Apr 2016 13:37
Publisher DOI:10.1007/s10048-009-0212-2
PubMed ID:19760259

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