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. 1998 Jan-Feb;16(1):66-8.

HLA-TNF haplotype heterogeneity in Greek SLE patients

K Tarassi  1 , D Carthy, C Papasteriades, K Boki, N Nikolopoulou, C Carcassi, W E Ollier, A H Hajeer
Affiliations
  • PMID: 9543565

HLA-TNF haplotype heterogeneity in Greek SLE patients

K Tarassi et al. Clin Exp Rheumatol. 1998 Jan-Feb.

Abstract

Objective: To examine TNF microsatellite allele frequencies in SLE patients in the Greek population, where disease susceptibility is less associated with HLA-DR3 haplotypes.

Methods: A cohort of 46 Greek SLE patients were investigated. Allele frequencies for the TNF microsatellite markers a, b, c and d were determined using a fluorescence based DNA fragment sizing technique. HLA class II typing was performed using a molecular based technique.

Results: Associations between SLE and DRB1*1501, *1601 and *0701 were observed and DRB1*0301 was only marginally increased in patients. Linkage disequilibrium was found between DRB1*1501 and TNF a11 and also for DR3 and TNF a2, b3, d2. Stratification of patients suggested that DRB*1501 and TNF a11 frequencies were higher in SLE patients with renal disease and TNF a2 and b 3 frequencies in those without, although these differences did not reach statistical significance.

Conclusions: SLE in this Greek population appears to be associated with a number of HLA-DRB1 alleles. The development of renal complications in these patients may be related to the TNF polymorphism encoded on these HLA haplotypes.

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