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Träfflista för sökning "WFRF:(Hampel H) ;pers:(Wahlund LO)"

Sökning: WFRF:(Hampel H) > Wahlund LO

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1.
  • Norberg, J, et al. (författare)
  • Regional differences in effects of APOE ε4 on cognitive impairment in non-demented subjects
  • 2011
  • Ingår i: Dementia and geriatric cognitive disorders. - : S. Karger AG. - 1421-9824 .- 1420-8008. ; 32:2, s. 135-142
  • Tidskriftsartikel (refereegranskat)abstract
    • <i>Background:</i> The <i>APOE</i> ε4 allele is a risk factor for Alzheimer’s disease (AD). <i>APOE</i> ε4 is common in non-demented subjects with cognitive impairment. In both healthy people and people with AD, its prevalence has a north-south gradient across Europe. In the present study, we investigated whether the relation between the <i>APOE</i> ε4 allele and cognitive impairment varied across Northern, Middle and Southern Europe. We also investigated whether a north-south gradient existed in subjects with subjective cognitive impairment (SCI), amnestic mild cognitive impairment (MCI) and non-amnestic MCI. <i>Methods:</i> Data from 16 centers across Europe were analyzed. <i>Results:</i> A north-south gradient in <i>APOE</i> ε4 prevalence existed in the total sample (62.7% for <i>APOE</i> ε4 carriers in the northern region, 42.1% in the middle region, and 31.5% in the southern region) and in subjects with SCI and amnestic MCI separately. Only in Middle Europe was the <i>APOE</i> ε4 allele significantly associated with poor performance on tests of delayed recall and learning, as well as with the amnestic subtype of MCI. <i>Conclusion:</i> The <i>APOE</i> ε4 allele frequencies in subjects with SCI and amnestic MCI have a north-south gradient. The relation between the <i>APOE</i> ε4 allele and cognition is region dependent.
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2.
  • Johansson, A, et al. (författare)
  • Increased frequency of a new polymorphism in the cycle 2 (cdc2) gene in patients with Alzheimer's disease frontotemporal dementia
  • 2003
  • Ingår i: Neuroscience Letters. - 0304-3940. ; 340:1, s. 69-73
  • Tidskriftsartikel (refereegranskat)abstract
    • Recent studies show linkage between Alzheimer's disease (AD) and two loci on chromosome 10. The cell division cycle 2 (cdc2) gene is located close to one of the chromosome 10 markers, and is a candidate gene for AD since it is involved in the pathogenesis of AD. We sequenced coding exons and flanking intronic sequences and the promoter region on the cdc2 gene and found three new single nucleotide polymorphisms (SNPs). We analyzed 272 Caucasian AD cases, 160 controls and 70 cases with frontotemporal dementia (FTD) for these SNPs. Homozygosity for one of the SNPs (Ex6 + 7I/D) was more frequent in both AD and FTD cases than in controls. In the combined tauopathy (AD and FTD) group the odds ratio (OR) was 1.77 (95% CI 1.19-2.63) for the Ex6 + 7II genotype. Our findings suggest that the Ex6 + 7I allele is associated with tauopathies, both AD and FrD. (C) 2003 Elsevier Science Ireland Ltd. All rights reserved.
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