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Träfflista för sökning "LAR1:gu ;pers:(Blennow Kaj 1958);pers:(Pedersen Nancy L.);lar1:(gu);pers:(Alexeyenko Andrey)"

Sökning: LAR1:gu > Blennow Kaj 1958 > Pedersen Nancy L. > Göteborgs universitet > Alexeyenko Andrey

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1.
  • Bennet, Anna M, et al. (författare)
  • Genetic association of sequence variants near AGER/NOTCH4 and dementia.
  • 2011
  • Ingår i: Journal of Alzheimer's disease : JAD. - 1875-8908. ; 24:3, s. 475-84
  • Tidskriftsartikel (refereegranskat)abstract
    • We performed a survey of sequence variation in a series of 20 genes involved in inflammation-related pathways for association with dementia risk in twin and unrelated case-control samples consisting in total of 1462 Swedish dementia casesand 1929 controls. For a total of 218 tested genetic markers, strong evidence was obtained implicating a region near AGER and NOTCH4 on chromosome 6p with replication across both samples and maximum combined significance at marker rs1800625 (OR = 1.37, 95% CI 1.19–1.56, p = 1.36×10(–6)). Imputation of the associated genomic interval provided an improved signal atrs8365, near the 3UTR of AGER (p = 7.34×10(–7)). The associated region extends 120 kb encompassing 11 candidate genes.While AGER encodes a key receptor for amyloid-β protein, an analysis of network context based upon genes now confirmed to contribute to dementia risk (AβPP, PSEN1, PSEN2, CR1, CLU, PICALM, and APOE) suggested strong functional coupling to NOTCH4, with no significant coupling to the remaining candidates. The implicated region occurs in the broad HLA locus on chromosome 6p, but associated markers were not in strong LD with known variants that regulate HLA gene function, suggesting that this may represent a signal distinct from immune-system pathways.
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2.
  • Reynolds, Chandra A, et al. (författare)
  • Analysis of lipid pathway genes indicates association of sequence variation near SREBF1/TOM1L2/ATPAF2 with dementia risk.
  • 2010
  • Ingår i: Human molecular genetics. - 1460-2083. ; 19:10, s. 2068-2078
  • Tidskriftsartikel (refereegranskat)abstract
    • We conducted dense linkage disequilibrium mapping of a series of 25 genes putatively involved in lipid metabolism in 1567 dementia cases (including 1270 with Alzheimer disease) and 2203 Swedish controls. Across a total of 448 tested genetic markers, the strongest evidence of association was as anticipated for APOE (rs429358 at p approximately 10(-72)) followed by a previously reported association of ABCA1 (rs2230805 at p approximately 10(-8)). In the present study we report two additional markers near the SREBF1 locus on chromosome 17p that were also significant after multiple testing correction (best p=3.1 x 10(-6) for marker rs3183702). There was no convincing evidence of association for remaining genes, including candidates highlighted from recent genome-wide association studies of plasma lipids (CELSR2/PSRC1/SORT1, MLXIPL, PCSK9, GALNT2, and GCKR). The associated markers near SREBF1 reside in a large linkage disequilibrium block, extending more than 400kb across 7 candidate genes. Secondary analyses of gene expression levels of candidates spanning the LD region together with an investigation of gene network context highlighted two possible susceptibility genes including ATPAF2 and TOM1L2. Several markers in strong LD (r(2)>0.7) with rs3183702 were found to be significantly associated with AD risk in recent genome-wide association studies with similar effect sizes, providing independent support of the current findings.
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Gatz, Margaret (2)
Reynolds, Chandra A (2)
Eriksson, Ulrika K (2)
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Hong, Mun-Gwan (2)
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