References of "Marx, F. P."
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See detailMicroarray expression analysis reveals genetic pathways implicated in C621 synphilin-1-mediated toxicity.
Bonin, M.; Marx, F. P.; Kautzmann, S. et al

in Journal of Neural Transmission (2008), 115(7), 941-58

Synphilin-1 has been linked to Parkinson's disease (PD) based on its role as an alpha-synuclein (PARK1) and Parkin (PARK2) interacting protein and its presence in lewy bodies in brains of PD patients. We ... [more ▼]

Synphilin-1 has been linked to Parkinson's disease (PD) based on its role as an alpha-synuclein (PARK1) and Parkin (PARK2) interacting protein and its presence in lewy bodies in brains of PD patients. We recently identified a R621C mutation in the synphilin-1 gene in German PD patients. Functional analyses revealed that mutant synphilin-1 increases cellular stress, however, the involved molecular signalling pathways are currently unknown. Using microarray based gene expression analysis of dopaminergic SH-SY5Y cells overexpressing wild type or R621C mutant synphilin-1 we investigated differentially regulated genes and signalling networks using the Ingenuity Pathways Analysis tool. We show specific effects of C621 mutant synphilin-1 on gene expression that correlate with its role as a susceptibility factor in PD. The most significantly regulated signalling network was defined by the tumor growth factor beta 1 (TGF-beta1) suggesting an involvement of synphilin-1 in TGF-beta mediated signalling pathways modulating the cellular stress response. [less ▲]

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