Autophagy induction reduces mutant ataxin-3 levels and toxicity in a mouse model of spinocerebellar ataxia type 3

FM Menzies, J Huebener, M Renna, M Bonin, O Riess… - Brain, 2010 - academic.oup.com
Spinocerebellar ataxia type 3 is a neurodegenerative disorder caused by the expansion of
the polyglutamine repeat region within the ataxin-3 protein. The mutant protein forms …

Neurotoxic protein oligomerisation associated with polyglutamine diseases

SL Hands, A Wyttenbach - Acta neuropathologica, 2010 - Springer
Polyglutamine (polyQ) diseases are associated with a CAG/polyQ expansion mutation in
unrelated proteins. Upon elongation of the glutamine tract, disease proteins aggregate …

Silencing ataxin-3 mitigates degeneration in a rat model of Machado–Joseph disease: no role for wild-type ataxin-3?

S Alves, I Nascimento-Ferreira, N Dufour… - Human molecular …, 2010 - academic.oup.com
Machado–Joseph disease or spinocerebellar ataxia type 3 (MJD/SCA3) is a fatal, autosomal
dominant disorder caused by a cytosine-adenine-guanine expansion in the coding region of …

Mechanism, specificity and structure of the deubiquitinases

D Komander - Conjugation and Deconjugation of Ubiquitin Family …, 2010 - Springer
Removal of ubiquitin from modified proteins is an important process to regulate the ubiquitin
system. Roughly 100 dedicated enzymes for this purpose, the deubiquitinases, exist in …

Activity and cellular functions of the deubiquitinating enzyme and polyglutamine disease protein ataxin-3 are regulated by ubiquitination at lysine 117

SV Todi, KM Scaglione, JR Blount, V Basrur… - Journal of Biological …, 2010 - ASBMB
Deubiquitinating enzymes (DUbs) play important roles in many ubiquitin-dependent
pathways, yet how DUbs themselves are regulated is not well understood. Here, we provide …

Proteotoxic stress increases nuclear localization of ataxin-3

CP Reina, X Zhong, RN Pittman - Human molecular genetics, 2010 - academic.oup.com
Abstract Spinocerebellar ataxia type 3 (SCA3)/Machado Joseph disease results from
expansion of the polyglutamine domain in ataxin-3 (Atx3). Atx3 is a transcriptional co …

Splice isoforms of the polyglutamine disease protein ataxin-3 exhibit similar enzymatic yet different aggregation properties

GM Harris, K Dodelzon, L Gong, P Gonzalez-Alegre… - PloS one, 2010 - journals.plos.org
Protein context clearly influences neurotoxicity in polyglutamine diseases, but the
contribution of alternative splicing to this phenomenon has rarely been investigated. Ataxin …

[HTML][HTML] Absence of ataxin-3 leads to cytoskeletal disorganization and increased cell death

AJ Rodrigues, M do Carmo Costa, TL Silva… - … et Biophysica Acta (BBA …, 2010 - Elsevier
Ataxin-3 (ATXN3) is a widely expressed protein that binds to ubiquitylated proteins, has
deubiquitylating activity in vitro and is thought to modulate substrate degradation through the …

Understanding the role of the Josephin domain in the PolyUb binding and cleavage properties of ataxin-3

G Nicastro, SV Todi, E Karaca, AMJJ Bonvin… - PloS one, 2010 - journals.plos.org
Ataxin-3, the disease protein in the neurodegenerative disorder Spinocerebellar Ataxia Type
3 or Machado Joseph disease, is a cysteine protease implicated in the ubiquitin proteasome …

Structural transformation of the tandem ubiquitin-interacting motifs in ataxin-3 and their cooperative interactions with ubiquitin chains

AX Song, CJ Zhou, Y Peng, XC Gao, ZR Zhou, QS Fu… - PLoS …, 2010 - journals.plos.org
The ubiquitin-interacting motif (UIM) is a short peptide with dual function of binding ubiquitin
(Ub) and promoting ubiquitination. We elucidated the structures and dynamics of the tandem …