30 years of repeat expansion disorders: What have we learned and what are the remaining challenges?

C Depienne, JL Mandel - The American Journal of Human Genetics, 2021 - cell.com
Tandem repeats represent one of the most abundant class of variations in human genomes,
which are polymorphic by nature and become highly unstable in a length-dependent …

Repeat instability: mechanisms of dynamic mutations

CE Pearson, KN Edamura, JD Cleary - Nature Reviews Genetics, 2005 - nature.com
Disease-causing repeat instability is an important and unique form of mutation that is linked
to more than 40 neurological, neurodegenerative and neuromuscular disorders. DNA repeat …

An intronic GAA repeat expansion in FGF14 causes the autosomal-dominant adult-onset ataxia SCA27B/ATX-FGF14

H Rafehi, J Read, DJ Szmulewicz, KC Davies… - The American Journal of …, 2023 - cell.com
Adult-onset cerebellar ataxias are a group of neurodegenerative conditions that challenge
both genetic discovery and molecular diagnosis. In this study, we identified an intronic (GAA) …

Full-length human mutant huntingtin with a stable polyglutamine repeat can elicit progressive and selective neuropathogenesis in BACHD mice

M Gray, DI Shirasaki, C Cepeda, VM André… - Journal of …, 2008 - Soc Neuroscience
To elucidate the pathogenic mechanisms in Huntington's disease (HD) elicited by
expression of full-length human mutant huntingtin (fl-mhtt), a bacterial artificial chromosome …

Non-B DNA structure-induced genetic instability and evolution

J Zhao, A Bacolla, G Wang, KM Vasquez - Cellular and molecular life …, 2010 - Springer
Repetitive DNA motifs are abundant in the genomes of various species and have the
capacity to adopt non-canonical (ie, non-B) DNA structures. Several non-B DNA structures …

A decade of molecular studies of fragile X syndrome

WT O'Donnell, ST Warren - Annual review of neuroscience, 2002 - annualreviews.org
▪ Abstract Fragile X syndrome is one of the most common forms of inherited mental
retardation. In most cases the disease is caused by the methylation-induced transcriptional …

DNA structures, repeat expansions and human hereditary disorders

SM Mirkin - Current opinion in structural biology, 2006 - Elsevier
Expansions of simple DNA repeats are responsible for more than two dozen hereditary
disorders in humans, including fragile X syndrome, myotonic dystrophy, Huntington's …

Interrupting sequence variants and age of onset in Huntington's disease: clinical implications and emerging therapies

GEB Wright, HF Black, JA Collins… - The Lancet …, 2020 - thelancet.com
Background Huntington's disease is a fatal neurodegenerative disorder that is caused by
CAG-CAA repeat expansion, encoding polyglutamine, in the huntingtin (HTT) gene. Current …

Fragile X-associated tremor/ataxia syndrome (FXTAS): pathology and mechanisms

P Hagerman - Acta neuropathologica, 2013 - Springer
Since its discovery in 2001, our understanding of fragile X-associated tremor/ataxia
syndrome (FXTAS) has undergone a remarkable transformation. Initially characterized …

Human chromosome fragility

T Lukusa, JP Fryns - Biochimica et Biophysica Acta (BBA)-Gene Regulatory …, 2008 - Elsevier
Fragile sites are heritable specific chromosome loci that exhibit an increased frequency of
gaps, poor staining, constrictions or breaks when chromosomes are exposed to partial DNA …