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Träfflista för sökning "WFRF:(Zatz Mayana) srt2:(2010-2014)"

Sökning: WFRF:(Zatz Mayana) > (2010-2014)

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1.
  • Fukumoto, Noriko, et al. (författare)
  • Sexually dimorphic effect of the Val66Met polymorphism of BDNF on susceptibility to Alzheimer's disease : New data and meta-analysis
  • 2010
  • Ingår i: American journal of medical genetics. Part B, Neuropsychiatric genetics. - : Wiley. - 1552-4841 .- 1552-485X. ; 153B:1, s. 235-242
  • Tidskriftsartikel (refereegranskat)abstract
    • Conflicting results have been reported as to whether genetic variations (Val66Met and C270T) of the brain-derived neurotrophic factor gene (BDNF) confer susceptibility to Alzheimer's disease (AD). We genotyped these polymorphisms in a Japanese sample of 657 patients with AD and 525 controls, and obtained weak evidence of association for Val66Met (P = 0.063), but not for C270T. After stratification by sex, we found a significant allelic association between Val66Met and AD in women (P = 0.017), but not in men. To confirm these observations, we collected genotyping data for each sex from 16 research centers worldwide (4,711 patients and 4,537 controls in total). The meta-analysis revealed that there was a clear sex difference in the allelic association; the Met66 allele confers susceptibility to AD in women (odds ratio = 1.14, 95% CI 1.05-1.24, P = 0.002), but not in men. Our results provide evidence that the Met66 allele of BDNF has a sexually dimorphic effect on susceptibility to AD.
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2.
  • Keller, Annika, et al. (författare)
  • Mutations in the gene encoding PDGF-B cause brain calcifications in humans and mice
  • 2013
  • Ingår i: Nature Genetics. - : Springer Science and Business Media LLC. - 1061-4036 .- 1546-1718. ; 45:9, s. 1077-
  • Tidskriftsartikel (refereegranskat)abstract
    • Calcifications in the basal ganglia are a common incidental finding and are sometimes inherited as an autosomal dominant trait ( idiopathic basal ganglia calcification (IBGC)). Recently, mutations in the PDGFRB gene coding for the platelet-derived growth factor receptor beta (PDGF-R beta) were linked to IBGC. Here we identify six families of different ancestry with nonsense and missense mutations in the gene encoding PDGF-B, the main ligand for PDGF-R beta. We also show that mice carrying hypomorphic Pdgfb alleles develop brain calcifications that show age-related expansion. The occurrence of these calcium depositions depends on the loss of endothelial PDGF-B and correlates with the degree of pericyte and blood-brain barrier deficiency. Thus, our data present a clear link between Pdgfb mutations and brain calcifications in mice, as well as between PDGFB mutations and IBGC in humans.
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