Somatic mutation, genomic variation, and neurological disease

A Poduri, GD Evrony, X Cai, CA Walsh - Science, 2013 - science.org
Background Genetic mutations that cause human disease are conventionally considered to
be inherited from one's parents and present in all somatic (body) cells. We do know …

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 …

Patterns of CAG repeat instability in the central nervous system and periphery in Huntington's disease and in spinocerebellar ataxia type 1

R Mouro Pinto, L Arning, JV Giordano… - Human molecular …, 2020 - academic.oup.com
The expanded HTT CAG repeat causing Huntington's disease (HD) exhibits somatic
expansion proposed to drive the rate of disease onset by eliciting a pathological process …

Dramatic tissue-specific mutation length increases are an early molecular event in Huntington disease pathogenesis

L Kennedy, E Evans, CM Chen, L Craven… - Human molecular …, 2003 - academic.oup.com
Huntington disease is caused by the expansion of a CAG repeat encoding an extended
glutamine tract in a protein called huntingtin. Although the mutant protein is widely …

Somatic mosaicism in the human genome

D Freed, EL Stevens, J Pevsner - Genes, 2014 - mdpi.com
Somatic mosaicism refers to the occurrence of two genetically distinct populations of cells
within an individual, derived from a postzygotic mutation. In contrast to inherited mutations …

Juvenile onset Huntington's disease—clinical and research perspectives

MA Nance, RH Myers - Mental retardation and developmental …, 2001 - Wiley Online Library
Huntington's disease (HD) is an inherited neurodegenerative disorder. The mutation which
causes the disease is an expansion in the number of repetitions of three nucleotides, C, A …

Triplet repeat mutation length gains correlate with cell-type specific vulnerability in Huntington disease brain

PF Shelbourne, C Keller-McGandy, WL Bi… - Human molecular …, 2007 - academic.oup.com
Huntington disease is caused by the expansion of a CAG repeat encoding an extended
glutamine tract in a protein called huntingtin. Here, we provide evidence supporting the …

Detailed analysis of HTT repeat elements in human blood using targeted amplification‐free long‐read sequencing

I Höijer, YC Tsai, TA Clark, P Kotturi, N Dahl… - Human …, 2018 - Wiley Online Library
Amplification of DNA is required as a mandatory step during library preparation in most
targeted sequencing protocols. This can be a critical limitation when targeting regions that …

Suppression of somatic expansion delays the onset of pathophysiology in a mouse model of Huntington's disease

H Budworth, FR Harris, P Williams, DY Lee, A Holt… - PLoS …, 2015 - journals.plos.org
Huntington's Disease (HD) is caused by inheritance of a single disease-length allele
harboring an expanded CAG repeat, which continues to expand in somatic tissues with age …

Genetics of Huntington disease

MA Nance - Handbook of clinical neurology, 2017 - Elsevier
In this chapter, we review the evolution of our understanding of the genetic aspects of HD,
and the applications of our understanding in the management of Huntington's disease …