Growth assays to assess polyglutamine toxicity in yeast

ML Duennwald - JoVE (Journal of Visualized Experiments), 2012 - jove.com
Protein misfolding is associated with many human diseases, particularly neurodegenerative
diseases, such as Alzheimer's disease, Parkinson's disease, and Huntington's disease 1 …

The role of protein composition in specifying nuclear inclusion formation in polyglutamine disease

Y Chai, L Wu, JD Griffin, HL Paulson - Journal of Biological Chemistry, 2001 - ASBMB
Intracellular inclusions are a unifying feature of polyglutamine (polyQ) neurodegenerative
diseases, yet each polyQ disease displays a unique pattern of neuronal degeneration. This …

Novel polyglutamine model uncouples proteotoxicity from aging

NTM Christie, AL Lee, HG Fay, AA Gray, EA Kikis - PloS one, 2014 - journals.plos.org
Polyglutamine expansions in certain proteins are the genetic determinants for nine distinct
progressive neurodegenerative disorders and resultant age-related dementia. In these …

Defining the role of ubiquitin-interacting motifs in the polyglutamine disease protein, ataxin-3

SJS Berke, Y Chai, GL Marrs, H Wen… - Journal of Biological …, 2005 - ASBMB
Polyglutamine (polyQ) expansions cause neurodegeneration that is associated with protein
misfolding and influenced by functional properties of the host protein. The polyQ disease …

CAG expansions are genetically stable and form nontoxic aggregates in cells lacking endogenous polyglutamine proteins

AA Zurawel, R Kabeche, SE DiGregorio, L Deng… - MBio, 2016 - Am Soc Microbiol
Proteins containing polyglutamine (polyQ) regions are found in almost all eukaryotes, albeit
with various frequencies. In humans, proteins such as huntingtin (Htt) with abnormally …

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 …

Oxidative stimuli affect polyglutamine aggregation and cell death in human mutant ataxin-1-expressing cells

SJ Kim, T Kim, S Hong, H Rhim, IY Kim, S Kang - Neuroscience letters, 2003 - Elsevier
Spinocerebellar ataxia 1 (SCA1), one of the inherited polyglutamine neurodegenerative
diseases, is associated with intracellular aggregates. However, the process of aggregate …

Cross-species genetic screens identify transglutaminase 5 as a regulator of polyglutamine-expanded ataxin-1

WS Lee, I Al-Ramahi, HH Jeong, Y Jang… - The Journal of …, 2022 - Am Soc Clin Investig
Many neurodegenerative disorders are caused by abnormal accumulation of misfolded
proteins. In spinocerebellar ataxia type 1 (SCA1), accumulation of polyglutamine-expanded …

Praja1 ubiquitin ligase facilitates degradation of polyglutamine proteins and suppresses polyglutamine-mediated toxicity

B Ghosh, S Karmakar, M Prasad… - Molecular Biology of the …, 2021 - Am Soc Cell Biol
A network of chaperones and ubiquitin ligases sustain intracellular proteostasis and is
integral in preventing aggregation of misfolded proteins associated with various …

Expanded polyglutamines impair synaptic transmission and ubiquitin–proteasome system in Caenorhabditis elegans

LA Khan, PO Bauer, H Miyazaki… - Journal of …, 2006 - Wiley Online Library
Polyglutamine (polyQ) expansion in many proteins, including huntingtin and ataxin‐3, is
pathogenic and responsible for neuronal dysfunction and degeneration. Although at least …