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Träfflista för sökning "WFRF:(Truedsson Lennart) ;pers:(Gunnarsson I.)"

Sökning: WFRF:(Truedsson Lennart) > Gunnarsson I.

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1.
  • Jönsen, Andreas, et al. (författare)
  • Association between SLE nephritis and polymorphic variants of the CRP and Fc gamma RIIIa genes
  • 2007
  • Ingår i: Rheumatology. - : Oxford University Press (OUP). - 1462-0332 .- 1462-0324. ; 46:9, s. 1417-1421
  • Tidskriftsartikel (refereegranskat)abstract
    • Objectives. To study the relationship between clinical manifestations in systemic lupus erythematosus (SLE) with polymorphisms in suggested susceptibility genes encoding Fc gamma RIIa, Fc gamma RIIIa, Fc gamma RIIIb, CRP and IL-1Ra. Methods. Genetic polymorphisms were analysed in 323 unrelated SLE patients and 200 healthy blood donors. The genotype frequencies were compared between clinical subsets of SLE patients, as well as with healthy controls. Clinical manifestations included the ACR classification criteria. Nephritis was further classified according to WHO class on renal biopsy. Results. Presence of a CRP4 A-allele was associated with SLE nephritis (P< 0.01) and inversely correlated with arthritis (P < 0.01), when comparing within the SLE group. The Fc gamma RIIIa F/F genotype was also associated with nephritis (WHO class III and IV, P=0.04 for the SLE group) and in combination with the CRP4 A-allele a stronger association was noted (P<0.001). Furthermore, the Fc gamma RIIIb NA2/NA2 genotype was associated with butterfly rash (P< 0.01). An association was found between seizures and the presence of both the Fc gamma RIIa R/R and the Fc gamma RIIIa F/F genotypes (P< 0.01) and an inverse correlation between serositis and the CRP4 A-allele when present together with the IL-1Ra 2-allele (P=0.01). Furthermore, a combination of the Fc gamma RIIa R/R genotype and CRP4 A-allele was associated with lymphopenia (P= 0.02) and a similar result was found for the combination of Fc gamma RIIIa F/F and Fc gamma RIIIb NA2/NA2 (P= 0.04). Conclusions. Polymorphic variants of the CRP and Fc gamma-receptor genes are associated with the clinical phenotype in SLE. Our findings suggest an immune complex-mediated pathogenesis in nephritis and seizures, while development of arthritis may depend on other pathogenetic pathways.
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2.
  • Linga-Reddy, M. V. Prasad, et al. (författare)
  • A polymorphic variant in the MHC2TA gene is not associated with systemic lupus erythematosus
  • 2007
  • Ingår i: Tissue Antigens. - : Wiley. - 0001-2815 .- 1399-0039. ; 70:5, s. 412-414
  • Tidskriftsartikel (refereegranskat)abstract
    • Single-nucleotide polymorphisms (SNPs) in the major histocompatibility complex class II transactivator (MHC2TA) gene encoding the class II transactivator have been associated with multiple sclerosis, rheumatoid arthritis, and myocardial infarction in the Swedish population. We used a case-control approach to investigate the prevalence of a relevant variant in Swedish systemic lupus erythematosus (SLE) cohorts to determine whether SLE shares the same MHC2TA susceptibility allele as the other diseases. No differences were observed between cases and control subjects at either the allele or genotype levels. Furthermore, no significant correlations were found when comparing different clinical and serological SLE phenotypes. This particular polymorphism rs3087456 of the MHC2TA gene does not appear to influence genetic susceptibility to SLE in the Swedish population. We conclude that our data support neither allelic nor genotype association between the MHC2TA SNP and SLE.
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