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Träfflista för sökning "WFRF:(Jood Katarina 1966) ;pers:(Engstrom G.)"

Sökning: WFRF:(Jood Katarina 1966) > Engstrom G.

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1.
  • Olsson, Sandra, 1976, et al. (författare)
  • Genetic Variation Within the Interleukin-1 Gene Cluster and Ischemic Stroke
  • 2012
  • Ingår i: Stroke. - : Ovid Technologies (Wolters Kluwer Health). - 0039-2499 .- 1524-4628. ; 43:9
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and Purpose-Evidence is emerging that inflammation plays a key role in the pathophysiology of ischemic stroke (IS). The aim of this study was to investigate whether genetic variation in the interleukin-1 alpha, interleukin-1 beta, and interleukin-1 receptor antagonist genes (IL1A, IL1B, and IL1RN) is associated with IS and/or any etiologic subtype of IS. Methods-Twelve tagSNPs were analyzed in the Sahlgrenska Academy Study on Ischemic Stroke (SAHLSIS), which comprises 844 patients with IS and 668 control subjects. IS subtypes were defined according to the Trial of Org 10172 in Acute Stroke Treatment criteria in SAHLSIS. The Lund Stroke Register and the Malmo Diet and Cancer study were used as a replication sample for overall IS (in total 3145 patients and 1793 control subjects). Results-The single nucleotide polymorphism rs380092 in IL1RN showed an association with overall IS in SAHLSIS (OR, 1.21; 95% CI, 1.02-1.43; P = 0.03), which was replicated in the Lund Stroke Register and the Malmo Diet and Cancer study sample. An association was also detected in all samples combined (OR, 1.12; 95% CI, 1.04 -1.21; P = 0.03). Three single nucleotide polymorphisms in IL1RN (including rs380092) were nominally associated with the subtype of cryptogenic stroke in SAHLSIS, but the statistical significance did not remain after correction for multiple testing. Furthermore, increased plasma levels of interleukin-1 receptor antagonist were observed in the subtype of cryptogenic stroke compared with controls. Conclusion-This comprehensive study, based on a tagSNP approach and replication, presents support for the role of IL1RN in overall IS. (Stroke. 2012; 43: 2278-2282.)
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2.
  • Stanne, Tara M, 1979, et al. (författare)
  • A Genome-wide Study of Common and Rare Genetic Variants Associated with Circulating Thrombin Activatable Fibrinolysis Inhibitor
  • 2018
  • Ingår i: Thrombosis and Haemostasis. - : Georg Thieme Verlag KG. - 0340-6245 .- 2567-689X. ; 118:2, s. 298-308
  • Tidskriftsartikel (refereegranskat)abstract
    • Thrombin-activatable fibrinolysis inhibitor (TAFI) plays a central role in haemostasis, and plasma TAFI concentrations are heritable. Candidate gene studies have identified several variants within the gene encoding TAFI, CPB2, that explain part of the estimated heritability. Here, we describe an exploratory genome-wide association study to identify novel variants within and outside of the CPB2 locus that influence plasma concentrations of intact TAFI and/or the extent of TAFI activation (measured by released TAFI activation peptide, TAFI-AP) amongst 3,260 subjects from Southern Sweden. We also explored the role of rare variants on the HumanExome BeadChip. We confirmed the association with previously reported common variants in CPB2 for both intact TAFI and TAFI-AP, and discovered novel associations with variants in putative CPB2 enhancers. We identified a gene-based association with intact TAFI at CPB2 (PSKAT-O = 2.8 x 10(-8)), driven by two novel rare nonsynonymous single nucleotide polymorphisms (SNPs; I420N and D177G). Carriers of the rare variant of D177G (rs140446990; MAF 0.2%) had lower intact TAFI and TAFI-AP concentrations compared with non-carriers (intact TAFI, geometricmean 53 vs. 78%, PT-test < 5 x 10(-7); TAFI-AP 63 vs. 99%, P(T-tes)t = 7.2 x 10(-4)). For TAFI-AP, we identified a genome-wide significant association at an intergenic region of chromosome 3p14.1 and five gene-based associations (all PSKAT-O = 5 x 10(-6)). Using well-characterized assays together with a genome-wide association study and a rare-variant approach, we verified CPB2 to be the primary determinant of TAFI concentrations and identified putative secondary loci (candidate variants and genes) associated with intact TAFI and TAFI-AP that require independent validation.
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