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Träfflista för sökning "WFRF:(Houlden Henry) srt2:(2010-2014)"

Sökning: WFRF:(Houlden Henry) > (2010-2014)

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1.
  • Majounie, Elisa, et al. (författare)
  • Frequency of the C9orf72 hexanucleotide repeat expansion in patients with amyotrophic lateral sclerosis and frontotemporal dementia: a cross-sectional study
  • 2012
  • Ingår i: Lancet Neurology. - 1474-4465. ; 11:4, s. 323-330
  • Tidskriftsartikel (refereegranskat)abstract
    • Background We aimed to accurately estimate the frequency of a hexanucleotide repeat expansion in C9orf72 that has been associated with a large proportion of cases of amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD). Methods We screened 4448 patients diagnosed with ALS (El Escorial criteria) and 1425 patients with FTD (Lund-Manchester criteria) from 17 regions worldwide for the GGGGCC hexanucleotide expansion using a repeat-primed PCR assay. We assessed familial disease status on the basis of self-reported family history of similar neurodegenerative diseases at the time of sample collection. We compared haplotype data for 262 patients carrying the expansion with the known Finnish founder risk haplotype across the chromosomal locus. We calculated age-related penetrance using the Kaplan-Meier method with data for 603 individuals with the expansion. Findings In patients with sporadic ALS, we identified the repeat expansion in 236 (7.0%) of 3377 white individuals from the USA, Europe, and Australia, two (4.1%) of 49 black individuals from the USA, and six (8.3%) of 72 Hispanic individuals from the USA. The mutation was present in 217 (39.3%) of 552 white individuals with familial MS from Europe and the USA. 59 (6.0%) of 981 white Europeans with sporadic FTD had the mutation, as did 99 (24.8%) of 400 white Europeans with familial FTD. Data for other ethnic groups were sparse, but we identified one Asian patient with familial ALS (from 20 assessed) and two with familial FTD (from three assessed) who carried the mutation. The mutation was not carried by the three Native Americans or 360 patients from Asia or the Pacific Islands with sporadic MS who were tested, or by 41 Asian patients with sporadic FTD. All patients with the repeat expansion had (partly or fully) the founder haplotype, suggesting a one-off expansion occurring about 1500 years ago. The pathogenic expansion was non-penetrant in individuals younger than 35 years, 50% penetrant by 58 years, and almost fully penetrant by 80 years. Interpretation A common Mendelian genetic lesion in C9472 is implicated in many cases of sporadic and familial ALS and FTD. Testing for this pathogenic expansion should be considered in the management and genetic counselling of patients with these fatal neurodegenerative diseases.
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3.
  • Wray, Selina, et al. (författare)
  • Creation of an Open-Access, Mutation-Defined Fibroblast Resource for Neurological Disease Research
  • 2012
  • Ingår i: PLoS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 7:8
  • Tidskriftsartikel (refereegranskat)abstract
    • Our understanding of the molecular mechanisms of many neurological disorders has been greatly enhanced by the discovery of mutations in genes linked to familial forms of these diseases. These have facilitated the generation of cell and animal models that can be used to understand the underlying molecular pathology. Recently, there has been a surge of interest in the use of patient-derived cells, due to the development of induced pluripotent stem cells and their subsequent differentiation into neurons and glia. Access to patient cell lines carrying the relevant mutations is a limiting factor for many centres wishing to pursue this research. We have therefore generated an open-access collection of fibroblast lines from patients carrying mutations linked to neurological disease. These cell lines have been deposited in the National Institute for Neurological Disorders and Stroke (NINDS) Repository at the Coriell Institute for Medical Research and can be requested by any research group for use in in vitro disease modelling. There are currently 71 mutation-defined cell lines available for request from a wide range of neurological disorders and this collection will be continually expanded. This represents a significant resource that will advance the use of patient cells as disease models by the scientific community.
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4.
  • Aad, G., et al. (författare)
  • 2011
  • swepub:Mat__t (refereegranskat)
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5.
  • Aad, G., et al. (författare)
  • 2011
  • Tidskriftsartikel (refereegranskat)
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6.
  • Aad, G., et al. (författare)
  • 2012
  • swepub:Mat__t (refereegranskat)
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7.
  • Aad, G., et al. (författare)
  • 2012
  • swepub:Mat__t (refereegranskat)
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8.
  • Aad, G., et al. (författare)
  • 2011
  • swepub:Mat__t (refereegranskat)
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9.
  • Aad, G., et al. (författare)
  • 2013
  • swepub:Mat__t (refereegranskat)
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10.
  • Aad, G., et al. (författare)
  • 2012
  • swepub:Mat__t (refereegranskat)
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  • Resultat 1-10 av 137

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