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Type: Artigo
Title: Frequency of HLA-B27 alleles in brazilian patients with psoriatic arthritis
Author: Bonfiglioli, Rubens
Conde, Roseneide A.
Sampaio-Barros, Percival D.
Louzada Junior, Paulo
Donadi, Eduardo A.
Bertolo, Manoel B.
Abstract: This prospective study analyzed the frequency of HLA-B27 and its alleles in 102 Brazilian patients with psoriatic arthritis (PsA). The association of the HLA-B27 alleles with these variants was compared to a control healthy HLA-B27 positive group of 111 individuals. There was a predominance of male gender (59.8%), Caucasian race (89.2%), and negative HLA-B27 (79.4%) patients. Asymmetric oligoarthritis (62.7%) was the most frequently observed clinical PsA subgroup, followed by spondylitis (16.7%), and polyarthritis (15.7%). Male gender and the spondylitis subgroup were statistically associated to the positive HLA-B27, and the oligoarthritis subgroup was associated to the negative HLA-B27. Among the 21 HLA-B27-positive PsA patients, there was a significant prevalence of the HLA-B*2705 allele (90.5%), similar to that observed in the control group (80.2%); HLA-B*2703 and HLA-B*2707 were statistically associated to the control group
Subject: Artrite
Country: Reino Unido
Editor: Springer
Rights: Fechado
Identifier DOI: 10.1007/s10067-007-0770-3
Date Issue: 2008
Appears in Collections:FCM - Artigos e Outros Documentos

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