Spinocerebellar ataxia type

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  • Model systems are important tools for the investigation of pathogenic processes. Especially for diseases with a late onset of symptoms and slow progression, like most spinocerebellar ataxias (SCA), it is time-consuming or even impossible to analyze all aspects of the pathogenesis in humans.

    pdf206p hotmoingay 03-01-2013 17 1   Download

  • The protein ataxin-3 is responsible for spinocerebellar ataxia type 3, a neu-rodegenerative disease triggered when the length of a stretch of consecutive glutamines exceeds a critical threshold. Different physiologic roles have been suggested for this protein. More specifically, recent papers have shown that the highly conserved N-terminal Josephin domain of ataxin-3 binds ubiquitin and has ubiquitin hydrolase activity, thanks to a catalytic device specific to cysteine proteases.

    pdf10p inspiron33 25-03-2013 6 2   Download

  • Spinocerebellar ataxia types 2 (SCA2) and 3 (SCA3) are autosomal-dominantly inherited, neurodegenerative dis-eases caused by CAG repeat expansions in the coding regions of the genes encoding ataxin-2 and ataxin-3, respectively. To provide a rationale for further functional experiments, we explored the proteinarchitectures of ataxin-2 and ataxin-3. Using structure-based multiple sequence alignments of homologous proteins, we investigated domains, sequence motifs, and interaction partners.

    pdf16p awards 05-04-2013 16 2   Download

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