ATXN3 controls DNA replication and transcription by regulating chromatin structure

E Hernández‐Carralero, E Cabrera… - Nucleic Acids …, 2023 - academic.oup.com
The deubiquitinating enzyme Ataxin-3 (ATXN3) contains a polyglutamine (PolyQ) region, the
expansion of which causes spinocerebellar ataxia type-3 (SCA3). ATXN3 has multiple …

The Machado–Joseph disease deubiquitylase ataxin‐3 interacts with LC3C/GABARAP and promotes autophagy

LK Herzog, É Kevei, R Marchante, C Böttcher… - Aging cell, 2020 - Wiley Online Library
The pathology of spinocerebellar ataxia type 3, also known as Machado‐Joseph disease, is
triggered by aggregation of toxic ataxin‐3 (ATXN3) variants containing expanded …

Ataxin-3 promotes genome integrity by stabilizing Chk1

Y Tu, H Liu, X Zhu, H Shen, X Ma, F Wang… - Nucleic acids …, 2017 - academic.oup.com
The Chk1 protein is essential for genome integrity maintenance and cell survival in
eukaryotic cells. After prolonged replication stress, Chk1 can be targeted for proteasomal …

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 …

[HTML][HTML] USP13 antagonizes gp78 to maintain functionality of a chaperone in ER-associated degradation

Y Liu, N Soetandyo, J Lee, L Liu, Y Xu, WM Clemons Jr… - Elife, 2014 - elifesciences.org
Physiological adaptation to proteotoxic stress in the endoplasmic reticulum (ER) requires
retrotranslocation of misfolded proteins into the cytoplasm for ubiquitination and elimination …

[HTML][HTML] Ubiquitin-binding site 2 of ataxin-3 prevents its proteasomal degradation by interacting with Rad23

JR Blount, WL Tsou, G Ristic, AA Burr… - Nature …, 2014 - nature.com
Polyglutamine repeat expansion in ataxin-3 causes neurodegeneration in the most common
dominant ataxia, spinocerebellar ataxia type 3 (SCA3). Since reducing levels of disease …

Comprehensive approach to study branched ubiquitin chains reveals roles for K48-K63 branches in VCP/p97-related processes

SM Lange, MR McFarland, F Lamoliatte, D Kwaśna… - BioRxiv, 2023 - biorxiv.org
Branched ubiquitin (Ub) chains make up a significant proportion of Ub polymers in human
cells and are formed when two or more sites on a single Ub molecule are modified with Ub …

[HTML][HTML] Trinucleotide repeats: a structural perspective

B Almeida, S Fernandes, IA Abreu… - Frontiers in …, 2013 - frontiersin.org
Trinucleotide repeat (TNR) expansions are present in a wide range of genes involved in
several neurological disorders, being directly involved in the molecular mechanisms …

Quercetin glycosides induced neuroprotection by changes in the gene expression in a cellular model of Parkinson's disease

KB Magalingam, A Radhakrishnan, P Ramdas… - Journal of Molecular …, 2015 - Springer
Quercetin glycosides, rutin and isoquercitrin, are potent antioxidants that have been found to
possess neuroprotective effect in diseases like Parkinson's and Alzheimer's disease. In the …

Lys11- and Lys48-linked ubiquitin chains interact with p97 during endoplasmic-reticulum-associated degradation

M Locke, JI Toth, MD Petroski - Biochemical Journal, 2014 - portlandpress.com
The ATPase associated with various cellular activities p97 has a critical function in the
cytoplasmic degradation of proteins misfolded in the ER (endoplasmic reticulum) through a …