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Träfflista för sökning "WFRF:(Nägga Katarina) ;pers:(Blennow K)"

Sökning: WFRF:(Nägga Katarina) > Blennow K

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1.
  • Nägga, Katarina, et al. (författare)
  • Cerebrospinal fluid phospho-tau, total tau and β-amyloid1-42 in the differentiation between Alzheimer's disease and vascular dementia
  • 2002
  • Ingår i: Dementia and Geriatric Cognitive Disorders. - : S. Karger AG. - 1420-8008 .- 1421-9824. ; 14:3-4, s. 183-190
  • Tidskriftsartikel (refereegranskat)abstract
    • The two most frequently examined biomarkers in the diagnosis of dementia are cerebrospinal fluid (CSF) tau and β-amyloid1-42 (Aβ1-42). An assay for tau phosphorylated at threonine 181 (phospho-tau) has recently been developed. We studied these three markers in patients with possible Alzheimer's disease (AD; n = 23), probable AD (n = 50), AD with relevant cerebrovascular disease (AD with CVD; n = 14), possible vascular dementia (VaD; n = 39), probable VaD (n = 36), cognitively impaired (n = 13) and 27 neurologically healthy controls. Compared with the controls, tau levels were significantly increased in possible AD, probable AD, AD with CVD and probable VaD. Aβ1-42 was decreased in all dementia groups compared with the controls. In contrast, phospho-tau levels were increased only in probable AD compared with the controls. From the results of the present study, it is concluded that neither measurement of phospho-tau, tau nor Aβ1-42 in CSF can discriminate entirely between dementia and cognitively non-disturbed controls or between dementia of different aetiologies in the clinical diagnostic procedure.
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2.
  • Prince, J.A., et al. (författare)
  • Lack of replication of association findings in complex disease : An analysis of 15 polymorphisms in prior candidate genes for sporadic Alzheimer's disease
  • 2001
  • Ingår i: European Journal of Human Genetics. - : Springer Science and Business Media LLC. - 1018-4813 .- 1476-5438. ; 9:6, s. 437-444
  • Tidskriftsartikel (refereegranskat)abstract
    • There is considerable enthusiasm for the prospect of using common polymorphisms (primarily single nucleotide polymorphisms, SNPs) in candidate genes to unravel the genetics of complex disease. This approach has generated a number of findings of loci which are significantly associated with sporadic Alzheimer's disease (AD). In the present study, a total of 15 genes of interest were chosen from among the previously published reports of significant association in AD. Genotyping was performed on polymorphisms within those genes (14 SNPs and one deletion) using Dynamic Allele Specific Hybridization (DASH) in 204 Swedish patients with sporadic late-onset AD and 186 Swedish control subjects. The genes chosen for analysis were, low-density lipoprotein receptor-related protein (LRP1), angiotensin converting enzyme (DCP1), alpha-2-macroglobulin (A2M), bleomycin hydrolase (BLMH), dihydrolipoyl S-succinyltransferase (DLST), tumour necrosis factor receptor superfamily member 6 (TNFRSF6), nitric oxide synthase (NOS3), presenilin 1 (PSEN1), presenilin 2 (PSEN2), butyrylcholinesterase (BCHE), Fe65 (APBB1), oestrogen receptor alpha (ESR1), cathepsin D (CTSD), methylenetetrahydrofolate reductase (MTHFR), and interleukin 1A (IL1A). We found no strong evidence of association for any of these loci with AD in this population. While the possibility exists that the genes analysed are involved in AD (ie they have weak effects and/or are population specific), results reinforce the need for extensive replication studies if we are to be successful in defining true risk factors in complex diseases.
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