PMID: 29465373Feb 22, 2018Paper

Anti-alpha-enolase antibodies in Behçet's disease: a marker of mucocutaneous and articular disease activity?

Clinical and Experimental Rheumatology
Leandro L PradoEloisa Bonfa

Abstract

To assess IgM anti-alpha-enolase antibodies (AAEA) in systemic Behçet's disease (BD) and its possible association with clinical manifestations and disease activity. Ninety-seven consecutively selected BD patients were compared to 36 enteropathic spondyloarthritis (ESpA) [24 Crohn's disease (CD) and 12 ulcerative colitis (UC)] patients and 87 healthy controls. IgM AAEA was detected by immunoblotting. Disease activity was assessed by standardised indexes, Brazilian BD Current Activity Form (BR-BDCAF) for BD and Harvey-Bradshaw Index (HBI) for CD and UC patients. A second evaluation was performed in BD patients (n=56), regarding IgM AAEA presence, disease activity scores and C-reactive protein (CRP). Higher IgM AAEA prevalence was found in 97 BD (17.7%) compared to ESpA (2.8%) and healthy controls (2.3%), p<0.001. IgM AAEA frequency was higher in active BD compared to inactive BD (30.2% vs. 7.4%, p=0.006), a finding confirmed in the second cross-sectional evaluation of 56 of these BD patients (45.5% vs. 13.3%, p=0.02). Mean BR-BDCAF scores were higher in IgM AAEA positive group on both evaluations (9.1 ± 5.4 vs. 4.9 ± 4.9, p=0.002; 5.0 ± 4.9 vs. 2.2 ± 2.9, p=0.01, respectively). BD patients with mucocutaneous and articular symptom...Continue Reading

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