ArticleRheumatology advances in practice2023
The relationship between HLA-B*51 subtypes, clinical manifestations and severity of Behçet's syndrome: a large Italian cohort study.
Article in Rheumatology advances in practice, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- The MHC-I-opathy architecture: immunogenetic and biomechanical determinants of disease expression.Zeitschrift fur Rheumatologie · 2026Review
- HLA micropolymorphisms confine neoantigen conformational adaptability and guide T cell receptor selectivity.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- HLA-B*51 Beyond Behcet's Disease: Topography of Symptoms, Associated Diagnoses, and Characterization of Chronic Inflammatory Arthritis Phenotypes.International journal of molecular sciences · 2026Article
- Deficiency of Adenosine Deaminase 2 Masquerading as Behçet's Disease: Phenotypic Mimicry with HLA-B*51 Positivity.Journal of clinical immunology · 2025Article
- Novel genetic variants of HLA gene associated with Thai Behcet's disease (BD) patients using next generation sequencing technology.Scientific reports · 2024Article
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7 authors.
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Abstract
Objectives: Behçet's syndrome (BS) is a chronic multisystemic inflammatory disorder of unclear aetiology. The predominant BS susceptibility locus was identified within HLA-B*51. HLA-B*51 subtypes were previously studied as disease susceptibility markers. Few data are now available about the relationship between B*51 subtypes and clinical phenotype. The aim of this study was to genotype HLA-B*51 subtypes in a series of Italian BS patients and to test the association with clinical manifestations and disease severity (Krause's index). Methods: HLA-B*51 subtype genotyping for 63 alleles (B*51:01-B*51:63) was performed by PCR after DNA extraction from whole blood of BS patients. The correlation of disease clinical manifestations and severity (Krause's index) with the HLA-B*51 allele and its subtypes was analysed. Results: We enrolled 241 (140 male and 101 female) BS patients, and HLA-B*51 frequency was 62.7% (151 of 241). One hundred and eight of the HLA-B*51-positive patients carried the B*51:01 subtype (108 of 151, 71.5%), 39 of 151 (25.8%) the B*51:08 subtype, 2 of 151 (1.3%) the B*51:02 subtype, 1 of 151 (0.7%) the B*51:05 subtype, and 1 of 151 (0.7%) the B*51:07 subtype. We found that ocular involvement was statistically associated with HLA-B*51 positivity and with B*51:01 and B*51:08 subtypes ( Conclusion: Here, we confirm a high frequency of the HLA-B*51 allele in our group of BS patients. B*51:01 and B*51:08 were found to be the most common subtypes, and an association of both subtypes with ocular involvement was also underlined.
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