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Träfflista för sökning "WFRF:(Schelhaas Helenius J.) ;pers:(Koppers Max)"

Sökning: WFRF:(Schelhaas Helenius J.) > Koppers Max

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1.
  • van Es, Michael A, et al. (författare)
  • Angiogenin variants in Parkinson disease and amyotrophic lateral sclerosis
  • 2011
  • Ingår i: Annals of Neurology. - : Wiley-Blackwell. - 0364-5134 .- 1531-8249. ; 70:6, s. 964-973
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: Several studies have suggested an increased frequency of variants in the gene encoding angiogenin (ANG) in patients with amyotrophic lateral sclerosis (ALS). Interestingly, a few ALS patients carrying ANG variants also showed signs of Parkinson disease (PD). Furthermore, relatives of ALS patients have an increased risk to develop PD, and the prevalence of concomitant motor neuron disease in PD is higher than expected based on chance occurrence. We therefore investigated whether ANG variants could predispose to both ALS and PD.METHODS: We reviewed all previous studies on ANG in ALS and performed sequence experiments on additional samples, which allowed us to analyze data from 6,471 ALS patients and 7,668 controls from 15 centers (13 from Europe and 2 from the USA). We sequenced DNA samples from 3,146 PD patients from 6 centers (5 from Europe and 1 from the USA). Statistical analysis was performed using the variable threshold test, and the Mantel-Haenszel procedure was used to estimate odds ratios.RESULTS: Analysis of sequence data from 17,258 individuals demonstrated a significantly higher frequency of ANG variants in both ALS and PD patients compared to control subjects (p = 9.3 × 10(-6) for ALS and p = 4.3 × 10(-5) for PD). The odds ratio for any ANG variant in patients versus controls was 9.2 for ALS and 6.7 for PD.INTERPRETATION: The data from this multicenter study demonstrate that there is a strong association between PD, ALS, and ANG variants. ANG is a genetic link between ALS and PD.
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2.
  • Diekstra, Frank P., et al. (författare)
  • UNC13A is a modifier of survival in amyotrophic lateral sclerosis
  • 2012
  • Ingår i: Neurobiology of Aging. - : Elsevier. - 0197-4580 .- 1558-1497. ; 33:3, s. 630.e3-630.e8
  • Tidskriftsartikel (refereegranskat)abstract
    • A large genome-wide screen in patients with sporadic amyotrophic lateral sclerosis (ALS) showed that the common variant rs12608932 in gene UNC13A was associated with disease susceptibility. UNC13A regulates the release of neurotransmitters, including glutamate. Genetic risk factors that, in addition, modify survival, provide promising therapeutic targets in ALS, a disease whose etiology remains largely elusive. We examined whether UNC13A was associated with survival of ALS patients in a cohort of 450 sporadic ALS patients and 524 unaffected controls from a population-based study of ALS in The Netherlands. Additionally, survival data were collected from individuals of Dutch, Belgian, or Swedish descent (1767 cases, 1817 controls) who had participated in a previously published genome-wide association study of ALS. We related survival to rs12608932 genotype. In both cohorts, the minor allele of rs12608932 in UNC13A was not only associated with susceptibility but also with shorter survival of ALS patients. Our results further corroborate the role of UNC13A in ALS pathogenesis. (C) 2012 Elsevier Inc. All rights reserved.
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