Destabilization of a non-pathological variant of ataxin-3 results in fibrillogenesis via a partially folded intermediate: a model for misfolding in polyglutamine disease

MKM Chow, HL Paulson, SP Bottomley - Journal of molecular biology, 2004 - Elsevier
Ataxin-3 is a member of the polyglutamine family of proteins, which are associated with at
least nine different neurodegenerative diseases. In the disease state, expansion of the …

Mechanisms of ataxin-3 misfolding and fibril formation: kinetic analysis of a disease-associated polyglutamine protein

AM Ellisdon, MC Pearce, SP Bottomley - Journal of molecular biology, 2007 - Elsevier
The polyglutamine diseases are a family of nine proteins where intracellular protein
misfolding and amyloid-like fibril formation are intrinsically coupled to disease. Previously …

[HTML][HTML] Polyglutamine expansion in ataxin-3 does not affect protein stability: implications for misfolding and disease

MKM Chow, AM Ellisdon, LD Cabrita… - Journal of Biological …, 2004 - ASBMB
Polyglutamine proteins that cause neurodegenerative disease are known to form
proteinaceous aggregates, such as nuclear inclusions, in the neurons of affected patients …

Purification of Polyglutamine Proteins1

MKM Chow, AM Ellisdon, LD Cabrita… - Methods in enzymology, 2006 - Elsevier
The misfolding and formation of fibrillar‐like aggregates by polyglutamine proteins is
believed to be a key factor in the development of the neurodegenerative polyglutamine …

Polyglutamine is not all: the functional role of the AXH domain in the ataxin-1 protein

C de Chiara, RP Menon, F Dal Piaz, L Calder… - Journal of molecular …, 2005 - Elsevier
A family of neurodegenerative diseases is associated with anomalous expansion of a
polyglutamine tract in the coding region of the corresponding proteins. The current working …

Towards a structural understanding of the fibrillization pathway in Machado-Joseph's disease: trapping early oligomers of non-expanded ataxin-3

L Gales, L Cortes, C Almeida, CV Melo… - Journal of molecular …, 2005 - Elsevier
Machado-Joseph's disease is caused by a CAG trinucleotide repeat expansion that is
translated into an abnormally long polyglutamine tract in the protein ataxin-3. Except for the …

Domain architecture of the polyglutamine protein ataxin‐3: a globular domain followed by a flexible tail

L Masino, V Musi, RP Menon, P Fusi, G Kelly… - FEBS …, 2003 - Wiley Online Library
Anomalous expansion of a polyglutamine (polyQ) tract in the protein ataxin‐3 causes
spinocerebellar ataxia type 3, an autosomal dominant neurodegenerative disease. Very little …

[HTML][HTML] 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 …

An expanded glutamine repeat destabilizes native ataxin-3 structure and mediates formation of parallel β-fibrils

AE Bevivino, PJ Loll - … of the National Academy of Sciences, 2001 - National Acad Sciences
The protein ataxin-3 contains a polyglutamine region; increasing the number of glutamines
beyond 55 in this region gives rise to the neurodegenerative disease spinocerebellar ataxia …

Polyglutamine-independent features in ataxin-3 aggregation and pathogenesis of Machado-Joseph disease

AL Carvalho, A Silva, S Macedo-Ribeiro - Polyglutamine Disorders, 2018 - Springer
The expansion of a trinucleotide (CAG) repeat, translated into a polyglutamine expanded
sequence in the protein encoded by the MJD gene, was identified over 20 years ago as the …