2 documents found, page 1 of 1
Neuron-specific proteotoxicity of mutant ataxin-3 in C. elegans: rescue by the ...
Castro, Andreia Cristiana Teixeira de; Ailion, Michael; Jalles, Ana; Brignull, Heather; Vilaça, João L.; Dias, N. S.; Rodrigues, Pedro L.The risk of developing neurodegenerative diseases increases with age. Although many of the molecular pathways regulating proteotoxic stress and longevity are well characterized, their contribution to disease susceptibility remains unclear. In this study, we describe a new Caenorhabditis elegans model of Machado–Joseph disease pathogenesis. Pan-neuronal expression of mutant ATXN3 leads to a polyQ-length dependen...
Functional genomics and biochemical characterization of the C. elegans ortholog...
Rodrigues, Ana João; Coppola, Giovanni; Santos, Cláudia; Costa, Maria do Carmo; Ailion, Michael; Sequeiros, Jorge; Geschwind, Daniel H.; Maciel, P.Machado-Joseph disease (MJD) is the most common dominant spinocerebellar ataxia. MJD is caused by a CAG trinucleotide expansion in the ATXN3 gene, which encodes a protein named ataxin-3. Ataxin-3 has been proposed to act as a deubiquitinating enzyme in the ubiquitin-proteasome pathway and to be involved in transcriptional repression; nevertheless, its precise biological function(s) remains unknown. To gain furt...