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Favoino E, Urso L, Serafino A, Misceo F, Catacchio G, Prete M, Perosa F. HLA Allele Prevalence in Disease-Modifying Antirheumatic Drugs-Responsive Enthesitis and/or Arthritis Not Fulfilling ASAS Criteria: Comparison with Psoriatic and Undifferentiated Spondyloarthritis. J Clin Med 2021; 10:jcm10143006. [PMID: 34300172 PMCID: PMC8305973 DOI: 10.3390/jcm10143006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/30/2021] [Accepted: 07/03/2021] [Indexed: 12/30/2022] Open
Abstract
Spondyloarthritis (SpA) is a group of inflammatory rheumatic diseases characterized by common clinical features, such as inflammatory enthesitis, arthritis and/or back pain. SpA is strongly associated with human leukocyte antigen (HLA) class I allotype B27. Ankylosing spondylitis has historically been the SpA subgroup with one of the strongest, best-proven associations with HLA-B27. The remaining SpA subgroups, namely psoriatic arthritis (PsA), inflammatory bowel diseases-associated arthritis/spondylitis, reactive arthritis, and undifferentiated SpA (uSpA), have also been associated with HLA allotypes other than HLA-B27. In this retrospective study, we analyzed the association between the HLA class I and II haplotypes and the susceptibility to enthesitis and/or arthritis (E/A). Special attention was paid to E/A responding to disease-modifying antirheumatic drugs (DMARDs) not fulfilling ASAS classification criteria (ASAS−), as compared to ASAS+ forms including PsA and uSpA. The whole E/A group showed significant independent associations with HLA-A28(68), B27, Cw3, Cw12, and DQ1; taken singly, PsA was associated with HLA-B27 and DQ1, uSpA with HLA-B16(38,39) and B27, and E/A ASAS− with HLA-A28(68), Cw8, and Cw12. This study identified novel risk HLA allotypes for different SpA subgroups in an Italian population. HLA typing could aid the diagnosis and treatment of E/A subgroups, including DMARDS-responsive forms not fulfilling ASAS classification criteria.
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Affiliation(s)
| | | | | | | | | | | | - Federico Perosa
- Correspondence: ; Tel.: +39-80-547-88-91; Fax: +39-80-547-88-20
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The Multi-Omics Architecture of Juvenile Idiopathic Arthritis. Cells 2020; 9:cells9102301. [PMID: 33076506 PMCID: PMC7602566 DOI: 10.3390/cells9102301] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/30/2020] [Accepted: 10/09/2020] [Indexed: 12/12/2022] Open
Abstract
Juvenile idiopathic arthritis (JIA) is highly heterogeneous in terms of etiology and clinical presentation with ambiguity in JIA classification. The advance of high-throughput omics technologies in recent years has gained us significant knowledge about the molecular mechanisms of JIA. Besides a minor proportion of JIA cases as monogenic, most JIA cases are polygenic disease caused by autoimmune mechanisms. A number of HLA alleles (including both HLA class I and class II genes), and 23 non-HLA genetic loci have been identified of association with different JIA subtypes. Omics technologies, i.e., transcriptome profiling and epigenomic analysis, contributed significant knowledge on the molecular mechanisms of JIA in addition to the genetic approach. New molecular knowledge on different JIA subtypes enables us to reconsider the JIA classification, but also highlights novel therapeutic targets to develop a cure for the devastating JIA.
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Significance of KIR like natural killer cell receptors in autoimmune disorders. Clin Immunol 2020; 216:108449. [PMID: 32376502 DOI: 10.1016/j.clim.2020.108449] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 04/21/2020] [Accepted: 04/27/2020] [Indexed: 12/26/2022]
Abstract
Killer cell immunoglobulin-like receptors (KIRs), act as the regulators for the cytolytic activity of natural killer and certain T cells by interacting with the HLA class I ligands. KIRs have been shown to contribute to the pathogenesis of several autoimmune diseases. However, their specific roles are still not very clear. Autoimmune diseases are multifactorial in nature, highlighting the influence of both genetic and environmental factors. The innate immune response plays an important role in autoimmunity as it alters the self-glycans that mimic molecular patterns found on different intracellular pathogens. Natural killer (NK) cells have an important position in the innate immune response. NK cell receptors are encoded by the leukocyte receptor complex located on the chromosome 19q13.4 and lectin-like receptors on chromosome 12p13. This review focuses on the role of KIRs and their relationship with different autoimmune diseases.
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Haasnoot AMJ, Kuiper JJ, de Boer JH. Predicting uveitis in juvenile idiopathic arthritis: from biomarkers to clinical practice. Expert Rev Clin Immunol 2019; 15:657-666. [DOI: 10.1080/1744666x.2019.1593139] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Anne-Mieke J.W. Haasnoot
- Department of Ophthalmology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
- Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Jonas J.W. Kuiper
- Department of Ophthalmology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
- Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
| | - Joke H. de Boer
- Department of Ophthalmology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
- Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands
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Angeles-Han ST, McCracken C, Yeh S, Jang SR, Jenkins K, Cope S, Bohnsack J, Hersh A, Thompson SD, Prahalad S. HLA Associations in a Cohort of Children With Juvenile Idiopathic Arthritis With and Without Uveitis. Invest Ophthalmol Vis Sci 2016; 56:6043-8. [PMID: 26393471 DOI: 10.1167/iovs.15-17168] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
PURPOSE Juvenile idiopathic arthritis (JIA)-associated uveitis can lead to ocular complications and vision loss. Alleles HLA-DRB1*08, *11, and *13 are risk alleles for JIA, whereas HLA-DRB1*11 and *13 alleles increase uveitis susceptibility. We examined the association of common HLA-DRB1 alleles in children with JIA alone and JIA-associated uveitis. METHODS High-resolution HLA-DRB1 genotyping was performed in 107 children with oligoarticular and polyarticular rheumatoid factor (RF) negative JIA and 373 non-Hispanic white controls. Children with JIA alone and JIA-associated uveitis were of similar race, ethnicity, sex, and age at arthritis diagnosis. Odds ratios (OR) and 95% confidence intervals (CI) were calculated. RESULTS There were 47 children with JIA-associated uveitis and 60 with JIA alone. Compared to controls, only children with JIA-associated uveitis had increased odds of carriage of HLA-DRB1*11 (OR, 2.2 95% [CI, 1.1-4.3], P = 0.023). There also was increased carriage of HLA-DRB1*08 and *13 (OR, 12.6 [95% CI, 2.0-77.8], P = 0.011). Compared to controls and children with JIA alone, those with JIA-associated uveitis had increased odds of carriage of HLA-DRB1*11 and *13 (OR, 9 [95% CI, 2.8-29.0], P < 0.0001 and OR, 8.6 [95% CI, 1.0-74.4], P = 0.042), respectively. CONCLUSIONS We report the novel finding that carriage of HLA-DRB1*11 and *13 appears to increase the risk of uveitis in children with JIA.
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Affiliation(s)
- Sheila T Angeles-Han
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia, United States
| | - Courtney McCracken
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia, United States
| | - Steven Yeh
- Department of Ophthalmology, Emory University School of Medicine, Atlanta, Georgia, United States
| | - Se Ryeong Jang
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia, United States
| | - Kirsten Jenkins
- Children's Healthcare of Atlanta, Atlanta, Georgia, United States
| | - Spencer Cope
- Department of Pediatrics, University of Utah, Salt Lake City, Utah, United States
| | - John Bohnsack
- Department of Pediatrics, University of Utah, Salt Lake City, Utah, United States
| | - Aimee Hersh
- Department of Pediatrics, University of Utah, Salt Lake City, Utah, United States
| | - Susan D Thompson
- Department of Pediatrics, Cincinnati Children's Medical Center, Cincinnati, Ohio, United States
| | - Sampath Prahalad
- Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia, United States 2Children's Healthcare of Atlanta, Atlanta, Georgia, United States
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Hersh AO, Prahalad S. Immunogenetics of juvenile idiopathic arthritis: A comprehensive review. J Autoimmun 2015; 64:113-24. [PMID: 26305060 PMCID: PMC4838197 DOI: 10.1016/j.jaut.2015.08.002] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 08/05/2015] [Indexed: 12/19/2022]
Abstract
Juvenile idiopathic arthritis (JIA) is the most common chronic inflammatory arthropathy of childhood. Juvenile idiopathic arthritis is believed to be a complex genetic trait influenced by both genetic and environmental factors. Twin and family studies suggest a substantial role for genetic factors in the predisposition to JIA. Describing the genetics is complicated by the heterogeneity of JIA; the International League of Associations for Rheumatology (ILAR) has defined seven categories of JIA based on distinct clinical and laboratory features. Utilizing a variety of techniques including candidate gene studies, the use of genotyping arrays such as Immunochip, and genome wide association studies (GWAS), both human leukocyte antigen (HLA) and non-HLA susceptibility loci associated with JIA have been described. Several of these polymorphisms (e.g. HLA class II, PTPN22, STAT4) are shared with other common autoimmune conditions; other novel polymorphisms that have been identified may be unique to JIA. Associations with oligoarticular and RF-negative polyarticular JIA are the best characterized. A strong association between HLA DRB1:11:03/04 and DRB1:08:01, and a protective effect of DRB1:15:01 have been described. HLA DPB1:02:01 has also been associated with oligoarticular and RF-negative polyarticular JIA. Besides PTPN22, STAT4 and PTPN2 variants, IL2, IL2RA, IL2RB, as well as IL6 and IL6R loci also harbor variants associated with oligoarticular and RF-negative polyarticular JIA. RF-positive polyarticular JIA is associated with many of the shared epitope encoding HLA DRB1 alleles, as well as PTPN22, STAT4 and TNFAIP3 variants. ERA is associated with HLA B27. Most other associations between JIA categories and HLA or non-HLA variants need confirmation. The formation of International Consortia to ascertain and analyze large cohorts of JIA categories, validation of reported findings in independent cohorts, and functional studies will enhance our understanding of the genetic underpinnings of JIA.
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Affiliation(s)
- Aimee O Hersh
- University of Utah School of Medicine, Salt Lake City, UT, USA
| | - Sampath Prahalad
- Departments of Pediatrics and Human Genetics, Emory University School of Medicine, Atlanta, GA, USA; Children's Healthcare of Atlanta, Atlanta, GA, USA.
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Abstract
Juvenile idiopathic arthritis (JIA) is a chronic inflammatory disorder that may cause joint destruction. Biological treatments targeting specific cytokines and cell interactions have transformed the outcomes of JIA. This review focuses on the selection of patients for and the timing and selection of biological treatment in JIA. Tumor necrosis factor (TNF) inhibitors remain the first choice for polyarticular JIA, followed by abatacept and tocilizumab. Monoclonal-antibody TNF inhibitors and abatacept are usually chosen for methotrexate-resistant uveitis. Recent clinical trials of canakinumab, rilonacept, and tocilizumab have obtained great improvement in both systemic and arthritic features in chronic systemic JIA patients. Current guidelines support the early use of a short-acting IL-1 antagonist for macrophage activation syndrome, a life-threatening complication. TREAT and ACUTE studies suggest that a therapeutic window of opportunity during early disease may exist in JIA. Early initiation of biological therapy may be associated with slower progression of joint damage and longer remission.
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Association of HLA-A*02:06 and HLA-DRB1*04:05 with clinical subtypes of juvenile idiopathic arthritis. J Hum Genet 2010; 56:196-9. [DOI: 10.1038/jhg.2010.159] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Barnes MG, Grom AA, Thompson SD, Griffin TA, Luyrink LK, Colbert RA, Glass DN. Biologic similarities based on age at onset in oligoarticular and polyarticular subtypes of juvenile idiopathic arthritis. ARTHRITIS AND RHEUMATISM 2010; 62:3249-58. [PMID: 20662067 PMCID: PMC3018072 DOI: 10.1002/art.27657] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
OBJECTIVE To explore biologic correlates to age at onset in patients with juvenile idiopathic arthritis (JIA) using peripheral blood mononuclear cell (PBMC) gene expression analysis. METHODS PBMCs were isolated from 56 healthy controls and 104 patients with recent-onset JIA (39 with persistent oligoarticular JIA, 45 with rheumatoid factor-negative polyarticular JIA, and 20 with systemic JIA). RNA was amplified and labeled using NuGEN Ovation, and gene expression was assessed with Affymetrix HG-U133 Plus 2.0 GeneChips. RESULTS A total of 832 probe sets revealed gene expression differences (false discovery rate 5%) in PBMCs from children with oligoarticular JIA whose disease began before age 6 years (early-onset disease) compared with those whose disease began at or after age 6 years (late-onset disease). In patients with early-onset disease, there was greater expression of genes related to B cells and less expression of genes related to cells of the myeloid lineage. Support vector machine analyses identified samples from patients with early- or late-onset oligoarticular JIA (with 97% accuracy) or from patients with early- or late-onset polyarticular JIA (with 89% accuracy), but not from patients with systemic JIA or healthy controls. Principal components analysis showed that age at onset was the major classifier of samples from patients with oligoarticular JIA and patients with polyarticular JIA. CONCLUSION PBMC gene expression analysis reveals biologic differences between patients with early-and late-onset JIA, independent of classification based on the number of joints involved. These data suggest that age at onset may be an important parameter to consider in JIA classification. Furthermore, pathologic mechanisms may vary with age at onset, and understanding these processes may lead to improved treatment of JIA.
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Affiliation(s)
- Michael G Barnes
- William S. Rowe Division of Pediatric Rheumatology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229, USA.
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Hollenbach JA, Thompson SD, Bugawan TL, Ryan M, Sudman M, Marion M, Langefeld CD, Thomson G, Erlich HA, Glass DN. Juvenile idiopathic arthritis and HLA class I and class II interactions and age-at-onset effects. ARTHRITIS AND RHEUMATISM 2010; 62:1781-91. [PMID: 20191588 PMCID: PMC2917207 DOI: 10.1002/art.27424] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
OBJECTIVE The aim of this study was to quantitate risk and to examine heterogeneity for HLA at high resolution in patients with the most common subtypes of juvenile idiopathic arthritis (JIA), IgM rheumatoid factor-negative polyarticular JIA and oligoarticular JIA. Use of 4-digit comprehensive HLA typing enabled great precision, and a large cohort allowed for consideration of both age at disease onset and disease subtype. METHODS Polymerase chain reaction-based high-resolution HLA typing for class I and class II loci was accomplished for 820 patients with JIA and 273 control subjects. Specific HLA epitopes, potential interactions of alleles at specific loci and between loci (accounting for linkage disequilibrium and haplotypic associations), and an assessment of the current International League of Associations for Rheumatology classification criteria were considered. RESULTS An HLA-DRB1/DQB1 effect was shown to be exclusively attributable to DRB1 and was similar between patients with oligoarticular JIA and a younger subgroup of patients with polyarticular JIA. Furthermore, patients with polyarticular JIA showed age-specific related effects, with disease susceptibility in the group older than age 6 years limited to an effect of the HLA-DRB1*08 haplotype, which is markedly different from the additional susceptibility haplotypes, HLA-DRB1*1103/1104, found in the group with oligoarticular JIA and the group of younger patients with polyarticular JIA. Also in contrast to findings for oligoarticular JIA, patients with polyarticular arthritis had no evidence of an HLA class I effect. Markers associated with a reduced risk of disease included DRB1*1501, DRB1*0401, and DRB1*0701. DRB1*1501 was shown to reduce risk across the whole cohort, whereas DRB1*0401 and DRB1*0701 were protective for selected JIA subtypes. Surprisingly, the disease predisposition mediated by DPB1*0201 in individuals without any disease-predisposing DRB1 alleles was great enough to overcome even the very strong protective effect observed for DRB1*1501. CONCLUSION Inherited HLA factors in JIA show similarities overall as well as differences between JIA subtypes.
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Affiliation(s)
- Jill A Hollenbach
- Children's Hospital Oakland Research Institute, Oakland, California, USA
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Eike MC, Olsson M, Undlien DE, Dahl-Jørgensen K, Joner G, Rønningen KS, Thorsby E, Lie BA. Genetic variants of the HLA-A, HLA-B and AIF1 loci show independent associations with type 1 diabetes in Norwegian families. Genes Immun 2008; 10:141-50. [DOI: 10.1038/gene.2008.88] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Rheumatoid factors and anticyclic citrullinated peptide antibodies in pediatric rheumatology. Curr Rheumatol Rep 2008; 10:156-63. [DOI: 10.1007/s11926-008-0027-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Gowing EC, McKown KM. Myasthenia gravis in a patient with pauciarticular juvenile chronic arthritis. J Clin Rheumatol 2007; 8:269-72. [PMID: 17041384 DOI: 10.1097/00124743-200210000-00008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
There have been reported cases of children with histories of pauciarticular juvenile chronic arthritis (JCA) later developing myasthenia gravis (MG) as young adults. This is intriguing because it had been considered rare to diagnose a second autoimmune disease in a patient with pauciarticular JCA, unlike in those with adult-onset rheumatoid arthritis. We report a case of MG in a 20-year-old woman with a history of pauciarticular JCA. She presented with bilateral ptosis, weakness, and a history of dysphagia. The diagnosis was confirmed with positive serum acetylcholine receptor antibodies (2000 nm/L) and electromyography showing a decremental response to repetitive muscle stimulation. The patient's inflammatory arthritis was quiescent at diagnosis. The patient underwent a surgical thymectomy and was treated with pyridostigmine, intravenous immunoglobulin, and corticosteroids with a fluctuating clinical course. Previous cases have been reported of MG associated with this subtype of JCA, suggesting a connection in autoimmune pathology. The earlier recognition and management of MG in a patient with pauciarticular JCA presenting with weakness may improve the prognosis of this disease.
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Affiliation(s)
- Eric C Gowing
- Section of Rheumatology, University of Wisconsin Hospital and Clinics, Madison, Wisconsin 53792, USA
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Prahalad S. Genetic analysis of juvenile rheumatoid arthritis: approaches to complex traits. Curr Probl Pediatr Adolesc Health Care 2006; 36:83-90. [PMID: 16473284 DOI: 10.1016/j.cppeds.2005.10.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Sampath Prahalad
- Department of Pediatrics, Division of Immunology and Rheumatology, University of Utah School Of Medicine, 30 North, 1900 East, Salt Lake City, UT 84132-2206, USA.
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Huang JL, Yeh CC, Shaw CK, Yao TC, Chen LC, Lee TD, Kuo ML. HLA-DRB1 genotyping in patients with juvenile idiopathic arthritis in Taiwan. ACTA ACUST UNITED AC 2005; 31:185-8. [PMID: 15265024 DOI: 10.1111/j.1365-2370.2004.00467.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The object of this study was to investigate whether there is an association between HLA-DRB1 alleles and the development of juvenile idiopathic arthritis (JIA) in Taiwan. HLA-DRB1 alleles were studied in 60 patients with JIA and 200 healthy controls using polymerase chain reaction (PCR)/sequence-specific oligonucleotide probes (SSO). The frequency of HLA-DRB1*0405 in patients with JIA was found to be significantly higher than that in healthy controls [odds ratio (OR) 2.64, 95% confidence interval (CI) 1.01-6.91]. The DRB1*0405 allele was significantly associated with the development of both polyarthritis (OR 4.30, 95% CI 1.34-13.80) and oligoarthritis (OR 3.27, 95% CI 1.01-10.58). The frequency of HLA-DRB1*1502 was higher in Taiwanese JIA patients with systemic arthritis than in controls (OR 18.09, 95% CI 2.25-145.73). We conclude that, in Taiwan, HLA-DRB1*0405 is associated with the development of polyarthritis and oligoarthritis in children, and HLA-DRB1*1502 is associated with the development of systemic arthritis.
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Affiliation(s)
- J-L Huang
- Department of Pediatrics, Chang Gung University and Chang Gung Children's Hospital, Taoyuan, Taiwan.
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Ferucci ED, Majka DS, Parrish LA, Moroldo MB, Ryan M, Passo M, Thompson SD, Deane KD, Rewers M, Arend WP, Glass DN, Norris JM, Holers VM. Antibodies against cyclic citrullinated peptide are associated with HLA-DR4 in simplex and multiplex polyarticular-onset juvenile rheumatoid arthritis. ACTA ACUST UNITED AC 2005; 52:239-46. [PMID: 15641089 DOI: 10.1002/art.20773] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Anti-cyclic citrullinated peptide (anti-CCP) antibodies have been detected in patients with juvenile rheumatoid arthritis (JRA), particularly in those with polyarticular, rheumatoid factor (RF)-positive JRA. Our objectives were to determine whether anti-CCP antibodies are associated with HLA-DR4 in children with polyarticular JRA, whether anti-CCP antibodies are associated with clinical features of disease, and whether affected sibling pairs (ASPs) with JRA are concordant for this antibody. METHODS Stored serum samples obtained from 230 HLA-typed patients with JRA (77 with polyarticular-onset disease and 153 with pauciarticular- or systemic-onset disease), 100 JRA ASPs, and 688 healthy children were tested for anti-CCP antibodies and RF. RESULTS Thirteen percent of the patients with polyarticular-onset JRA and 2% of the other JRA patients exhibited anti-CCP antibodies, compared with only 0.6% of the controls. Fifty-seven percent of RF-positive patients with polyarticular-onset JRA had anti-CCP antibodies. HLA-DR4-positive patients with polyarticular-onset JRA were more likely to have anti-CCP antibodies than were those without HLA-DR4 alleles (odds ratio [OR] 5.20, 95% confidence interval [95% CI] 1.30-20.9). Anti-CCP antibodies were associated with polyarticular onset (OR 7.46, 95% CI 1.99-28.0), a polyarticular disease course (OR 9.78, 95% CI 1.25-76.7), and erosive disease (OR 14.3, 95% CI 3.01-67.9). Concordance rates for anti-CCP antibodies among ASPs were statistically significant. CONCLUSION These data demonstrate increased anti-CCP antibody formation in HLA-DR4-positive patients with polyarticular-onset JRA. The overall prevalence of anti-CCP antibodies in JRA is low, but a substantial proportion of RF-positive patients with polyarticular-onset JRA have these antibodies. Anti-CCP antibodies in JRA are associated with polyarticular onset, a polyarticular course, and erosive disease.
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Affiliation(s)
- Elizabeth D Ferucci
- Division of Rheumatology, University of Colorado Health Sciences Center, 4200 East Ninth Avenue, Denver, CO 80262, USA
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Prahalad S, Ryan MH, Shear ES, Thompson SD, Giannini EH, Glass DN. Juvenile rheumatoid arthritis: linkage to HLA demonstrated by allele sharing in affected sibpairs. ARTHRITIS AND RHEUMATISM 2000; 43:2335-8. [PMID: 11037894 DOI: 10.1002/1529-0131(200010)43:10<2335::aid-anr22>3.0.co;2-w] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVE To test for linkage between the HLA region and juvenile rheumatoid arthritis (JRA), with stratification by onset and course types, in a cohort of affected sibling pairs (ASPs). METHODS Eighty pairs of siblings with JRA who were registered with the Research Registry for JRA ASPs (sponsored by the National Institute of Arthritis and Musculoskeletal and Skin Diseases) were typed for HLA-DR. The observed ratio of sharing of none, one, or both parental DR alleles was compared against the expected ratio of 1:2:1 by goodness-of-fit chi-square tests. A group of 265 unrelated control subjects served as a comparison population for HLA-DR allele frequencies among patients, by Fisher's exact test. RESULTS Overall, there was excess sharing of 2 DR alleles among ASPs with JRA. The observed ratio of sharing 0, 1, or 2 DR alleles was 8:40:32, instead of the expected ratio of 20:40:20 (P < 0.001). When stratified by JRA onset type, excess allele sharing was demonstrated among ASPs who were concordant for onset type (P = 0.002). This was true for both pauciarticular and polyarticular onset. When stratified by disease course, excess allele sharing was also demonstrated among ASPs who were concordant for disease course (P < 0.001). This was true for both the pauciarticular and the polyarticular course. Among the 32 ASPs who shared two DR alleles, 5 pairs had both DR8 and DR11, which was significantly more frequent (P < 0.0001) than the incidence in the control group (n = 0). CONCLUSION This study of an independent cohort of multiplex families confirms the previously reported linkage between pauciarticular JRA and the HLA-DR region that was identified using a different analytic method in a cohort of simplex families. Additionally, this study establishes evidence for linkage between polyarticular JRA and the HLA-DR region.
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Affiliation(s)
- S Prahalad
- Children's Hospital Medical Center, University of Cincinnati College of Medicine, Ohio 45229-3039, USA
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Affiliation(s)
- D N Glass
- Children's Hospital Medical Center, and University of Cincinnati College of Medicine, Ohio 45229-3039, USA
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Winchester R. Psoriatic arthritis and the spectrum of syndromes related to the SAPHO (synovitis, acne, pustulosis, hyperostosis, and osteitis) syndrome. Curr Opin Rheumatol 1999; 11:251-6. [PMID: 10411378 DOI: 10.1097/00002281-199907000-00005] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
During the past year, the increasing use of nuclear magnetic resonance imaging techniques, with their ability to delineate cartilage and ligamentous structures and to identify edema, are providing a radical improvement in ascertainment of musculoskeletal abnormalities, although their significance remains incompletely delineated. A second theme has come from the study of spondyloarthropathies in different ethnic groups and societal environments, revealing that the Northern European and North American form of the disease, with its powerful association with HLA-B27, is little evident in the rest of the world's population and that different susceptibility genes and environmental factors operate in other regions and peoples. Related to this theme is the compelling evidence of the marked influence of HIV infection on the development of spondyloarthropathies in Africa. Two areas of immune recognition are discussed as examples of emerging fields that may provide useful paradigms for the experimental approach to mechanisms in psoriatic arthritis. One of these is the three-cell model of CD8 T-cell interaction, in which a dendritic cell presents a peptide from an immunogenic protein to both a CD4 and CD8 T-cell clone, providing a cognitive interaction that disrupts tolerance and results in the expansion of the cytotoxic T-cell clone. In this respect, the combination of an activated dendritic cell, together with enhanced availability of arthritogenic microbial antigens caused by microbial persistence, are interesting candidates to explore as the basis of the HIV-associated rheumatic diseases. The second area of immune recognition is the growing understanding of the outline of the solution to the problem of the association of a spondyloarthropathy with several
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Affiliation(s)
- R Winchester
- Division of Autoimmune and Molecular Diseases, Columbia University College of Physicians and Surgeons, New York, New York 10032, USA
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22
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Sobao Y, Tsuchiya N, Takiguchi M, Tokunaga K. Overlapping peptide-binding specificities of HLA-B27 and B39: evidence for a role of peptide supermotif in the pathogenesis of spondylarthropathies. ARTHRITIS AND RHEUMATISM 1999; 42:175-81. [PMID: 9920028 DOI: 10.1002/1529-0131(199901)42:1<175::aid-anr21>3.0.co;2-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE Previous studies indicated the increase of HLA-B39 among HLA-B27 negative patients with spondylarthropathies (SpA). This study was performed to examine whether the natural ligands of HLA-B27 are capable of binding to HLA-B39. METHODS Peptides were synthesized according to the sequences of known natural ligands of HLA-B27 or B39 and were tested for their binding to HLA-B*3901 and B*2705 by quantitative peptide binding assay, using a TAP-deficient RMA-S cell line transfected with human beta2-microglobulin and HLA class I heavy chain genes. RESULTS Four of the 10 HLA-B27 binding peptides significantly bound to HLA-B*3901. All 4 peptides had hydrophobic/aromatic amino acids (Leu or Phe) at the C-terminus. In contrast, peptides with basic residues (Lys, Arg) or Tyr at the C-terminus did not bind to B*3901. In parallel experiments, 1 of the 2 natural ligands of HLA-B*3901 was found to bind to B*2705. CONCLUSION A subset of natural HLA-B27 ligands was capable of binding to B*3901. In addition to Arg at position 2 (Arg2), hydrophobic/aromatic C-terminal residues, such as Leu or Phe, seemed to be crucial for the cross-specificity. These results suggested that HLA-B27 and B39 recognize overlapping peptide repertoires, supporting the hypothesis that the peptides presented by both of these class I antigens play a role in the pathogenesis of SpA.
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23
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Dracou C, Constantinidou N, Constantopoulos A. Juvenile chronic arthritis profile in Greek children. ACTA PAEDIATRICA JAPONICA : OVERSEAS EDITION 1998; 40:558-63. [PMID: 9893290 DOI: 10.1111/j.1442-200x.1998.tb01990.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Juvenile chronic arthritis (JCA) is the commonest autoimmune rheumatic disease in childhood and presents different clinical subtypes. Juvenile chronic arthritis is considered to be of a polygenic nature and its genetic background is still under investigation. The clinical profile of JCA in the Greek population has not been studied completely. This study retrospectively analyzed the clinical and immunological features of JCA in Greek children presented between 1989 and 1994. Human leukocyte antigen (HLA)-positive or -negative associations in the different clinical subtypes were also detected. The findings of this study were correlated with those reported from other populations. METHODS AND RESULTS Antinuclear antibodies (ANA) anti-ds DNA and anti-extractable nuclear antigen antibodies were estimated by immunofluorescent and ELISA assays. Human leukocyte antigen typing was performed by microlymphocytotoxicity, using immunobeads. The peak ages of JCA onset were between 2 and 5 years and also between 9 and 12 years. There was a high female predominance in pauciarticular and polyarticular groups. The most common disease was pauciarticular (58.7%) followed by systemic (25%) arthritis. The incidence of eye involvement was 12.5% and presented only in the pauciarticular group. Overall, ANA positivity was 53.7%, increasing to 90% in pauciarticular cases associated with chronic uveitis. In the early onset (EOPA) pauciarticular subtype, positive-HLA associations with alleles DR11 and DR8 were shown. In the late onset pauciarticular (LOPA) group only B27 allele was increased. CONCLUSIONS The results of this retrospective study did not reveal major differences between JCA in Greek children compared with other Caucasian series.
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Affiliation(s)
- C Dracou
- 1st Department of Paediatrics, Aghia Sophia Children's Hospital, Athens, Greece
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Abstract
Juvenile arthritis (JA) is a term that covers a number of different disease entities, of which only three present with significant Human Leukocyte Antigen (HLA) associations. (1) Pauciarticular JA with late onset and a strong male proponderance is associated with HLA-B27 and represents the group of juvenile spondyloarthropathies related to adult ankylosing spondylitis. (2) Early onset pauciarticular JA with a preponderance of females and a frequent occurance of chronic iridocyclitis and the frequent presence of anti-nuclear antibodies is associated with alleles from three different regions of the HLA system: HLA-A2, which shows a very strong correlation with early age of onset; DR8, DR11 and DR12 as well as DQA1*0401, *0501, *0601 and finally DPB1*0201. These alleles show no linkage disequilibrium in the control population. (3) Rheumatoid factor positive polyarticular JA is associated, as is adult rheumatoid arthritis, with DR4. Concerning the possible mechanisms of the immunopathogenesis, it is speculated that the normal function of HLA molecules, namely the presentation of antigenic peptides, plays a major role. Data collected on HLA associations in early onset pauciarticular JA have been interpreted as indicating that alleles of the DQA1 locus (*0401, *0501, *0601) are probably responsible for presenting the hypothetical arthritogenic peptides. It is speculated that the pathogenic process includes the presentation of HLA-A2 or HLA-DPB1*0201 derived peptides presented by DQ molecules. It is clearly stated that typing for HLA alleles has very little or no importance for clinical diagnosis and prognosis.
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Affiliation(s)
- E D Albert
- Labor für Immungenetik, Kinderpoliklinik der LMU, München, Germany
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25
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Giordano N, Senesi M, Gonnelli S, Cepollaro C, Palumbo F, Mattii G, Gennari C, Conti T, Acquafredda V, Nicola G, Marco S, Stefano G, Chiara C, Francesco P, Giancarlo M, Carlo G, Tullio C, Vincenzo A. Paget's disease. Bone 1997; 20:505-6. [PMID: 9145250 DOI: 10.1016/s8756-3282(97)00021-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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26
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Yamaguchi A, Tsuchiya N, Mitsui H, Shiota M, Ogawa A, Tokunaga K, Yoshinoya S, Juji T, Ito K. Association of HLA-B39 with HLA-B27-negative ankylosing spondylitis and pauciarticular juvenile rheumatoid arthritis in Japanese patients. Evidence for a role of the peptide-anchoring B pocket. ARTHRITIS AND RHEUMATISM 1995; 38:1672-7. [PMID: 7488289 DOI: 10.1002/art.1780381120] [Citation(s) in RCA: 89] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
OBJECTIVE To investigate the characteristics of HLA-B27 that render susceptibility to seronegative spondylarthropathies. METHODS Serologic HLA class I typing of Japanese patients with ankylosing spondylitis (AS), juvenile rheumatoid arthritis (JRA), and healthy controls, was performed. HLA-B39 subtypes were determined by polymerase chain reaction-sequence-specific oligohybridization. RESULTS HLA-B27 was present in 40 of 48 patients with AS (83%), and in only 1 of 210 healthy controls (0.5%). Three of 8 patients (37.5%) who were negative for HLA-B27 were positive for HLA-B39, which was significantly higher compared with the HLA-B27-negative controls (6.2%; P = 0.01). Significant association with HLA-B39 was also noted in the JRA patients (16.7%; P < 0.01), especially in those patients with pauciarticular-onset disease (33.3%; P < 0.01). Ten of 13 HLA-B39-positive patients had subtype B*3901 and 3 had B*3902. CONCLUSION Because HLA-B27 and HLA-B39 share Glu at position 45 and Cys at position 67, both of which constitute components of the peptide-anchoring B pocket, and because they possess similar peptide-ligand motifs, our results may support either the role of the peptides presented by class I antigens or the importance of Cys at position 67, in the development of spondylarthropathies and pauciarticular-onset JRA.
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27
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Fink CW, Fernandez-Vina M, Stastny P. Clinical and genetic evidence that juvenile arthritis is not a single disease. Pediatr Clin North Am 1995; 42:1155-69. [PMID: 7567190 DOI: 10.1016/s0031-3955(16)40057-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Ample evidence shows that what was formerly called "juvenile rheumatoid arthritis" is not a single disease. At least six separate diseases were included as subgroups or subtypes of juvenile rheumatoid arthritis in other classifications. The clinical and laboratory features that differentiate these diseases are discussed. Genetic differences, primarily within the HLA system but also for T-cell receptor genes are described and correlated with the new clinical classification of arthritis.
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Affiliation(s)
- C W Fink
- Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, USA
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28
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Sakkas LI, Platsoucas CD. Immunopathogenesis of juvenile rheumatoid arthritis: role of T cells and MHC. Immunol Res 1995; 14:218-36. [PMID: 8778211 DOI: 10.1007/bf02918218] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Juvenile rheumatoid arthritis (JRA) is defined as chronic arthritis of unknown etiology appearing in patients less than 16 years of age. The disease is heterogeneous and is classified as pauciarticular, polyarticular, or systemic-onset disease. A few lines of evidence suggest that T cells are involved in the pathogenesis of the disease. T cells infiltrating the synovial membrane bear markers of activation and produce cytokines. The association of particular subtypes of JRA with certain HLA class II alleles provides strong evidence in favor of T cell involvement through an HLA-peptide-T cell receptor complex. Limited data from a few patients with JRA on T cell receptor transcripts from synovial membrane or synovial fluid cells point towards oligoclonality. This further supports the concept that T cells infiltrating the synovial membrane or extravasating into synovial fluid in patients with JRA reflect antigen-driven T cell proliferation.
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Affiliation(s)
- L I Sakkas
- Department of Microbiology and Immunology, Temple University School of Medicine, Philadelphia, Pa., USA
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29
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Grom AA, Giannini EH, Glass DN. Juvenile rheumatoid arthritis and the trimolecular complex (HLA, T cell receptor, and antigen). Differences from rheumatoid arthritis. ARTHRITIS AND RHEUMATISM 1994; 37:601-7. [PMID: 7514410 DOI: 10.1002/art.1780370501] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- A A Grom
- University of Cincinnati School of Medicine, Children's Hospital Medical Center, Ohio 45229-2899
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30
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Brunner HI, Ivaskova E, Haas JP, Andreas A, Keller E, Hoza J, Havelka S, Scholz S, Sierp G, Albert ED. Class I associations and frequencies of class II HLA-DRB alleles by RFLP analysis in children with rheumatoid-factor-negative juvenile chronic arthritis. Rheumatol Int 1993; 13:83-8. [PMID: 8102807 DOI: 10.1007/bf00307739] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
A total of 94 patients with juvenile chronic arthritis (JCA) was tested for HLA class I by serology and for class II by RFLP typing. Early onset JCA (EOPA) is associated with HLA-A2, DR5 and DR8 in both males and females. The combination (joint occurrence) of these JCA associated alleles (A2, DR5, DR8) is frequently seen in patients with chronic iridocyclitis. Late onset pauciarticular disease has an increased frequency of HLA-B27, especially in males. Our data confirm that polyarticular JCA with early childhood onset (< or = 4 years) is associated with DR5 and DR8 and has a different immunogenetic background from polyarticular JCA with later childhood (> 4 years) onset (associated with DR4).
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Affiliation(s)
- H I Brunner
- Labor für Immungenetik, Kinderpoliklinik der LMU München, Germany
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31
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Okubo H, Itou K, Tanaka S, Watanabe N, Kashiwagi N, Obata F. Analysis of the HLA-DR gene frequencies in Japanese cases of juveniles rheumatoid arthritis and rheumatoid arthritis by oligonucleotide DNA typing. Rheumatol Int 1993; 13:65-9. [PMID: 8356392 DOI: 10.1007/bf00307736] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
HLA-DR gene frequencies in 59 Japanese children with juvenile rheumatoid arthritis (JRA) and 62 Japanese adults with rheumatoid arthritis (RA) were analyzed by oligonucleotide DNA typing. As in other studies, the frequency of DRB1*0405 in RA patients was significantly higher than in the Japanese controls. In a comparison of non-classified JRA patients with Japanese controls, no significant differences were observed in the frequency of DR types. However, when the JRA patients were classified into four clinical types, i.e., a rheumatoid factor-positive [RF(+)] polyarticular type, a rheumatoid factor-negative [RF(-)] polyarticular type, a pauciarticular type, and a systemic onset type, DRB1*0405 was found to be significantly higher in the RF(+) polyarticular JRA patients than in the controls (P < 0.05). Thus, the RF(+) polyarticular type of JRA had the same HLA association as RA. This result is consistent with the fact that both RF(+) polyarticular JRA and RA cases have a similar clinical course.
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Affiliation(s)
- H Okubo
- Department of Pediatrics, Kyorin University School of Medicine, Tokyo, Japan
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33
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Leak AM, Woo P. Juvenile chronic arthritis, chronic iridocyclitis, and reactivity to histones. Ann Rheum Dis 1991; 50:653-7. [PMID: 1929592 PMCID: PMC1004515 DOI: 10.1136/ard.50.9.653] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- A M Leak
- Department of Rheumatology, Thanet District Hospital, Kent
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34
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Morling N, Friis J, Fugger L, Georgsen J, Heilmann C, Pedersen FK, Odum N, Svejgaard A. DNA polymorphism of HLA class II genes in pauciarticular juvenile rheumatoid arthritis. TISSUE ANTIGENS 1991; 38:16-23. [PMID: 1681599 DOI: 10.1111/j.1399-0039.1991.tb02030.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We investigated the DNA restriction fragment length polymorphism (RFLP) of the major histocompatibility complex (MHC) class II genes: HLA-DRB, -DQA, -DQB, DPA, and -DPB in 54 patients with pauciarticular juvenile rheumatoid arthritis (PJRA) and in healthy Danes. The frequencies of DNA fragments associated with the following HLA class II genes were increased in PJRA when compared to normal controls: DRB1*08 (DRw8) (35.2% vs 10.3%, RR = 4.6, p less than 10(-3), DRB3*01/02/03 (DRw52) (76.3% vs 48.1%, RR 3.5, p less than 10(-3)), DQA1*0401 (41.0% vs 7.4%, RR = 7.9, p less than 10(-3)), DQA1*0501 (55.6% vs 29.7%, RR = 3.0, p less than 10(-2), DQB1*0301 (DQw7) (46.2% vs 17.5%, RR = 4.0; p less than 10(-2)), DPA1*0201 (44.2% vs 7.9%, RR = 8.7, p less than 10(-5)), and DPB1*02 (DPw2) (40.7% vs 7.1%, RR = 8.5, p less than 10(-6)). The frequency of DRB1*11 was not significantly increased. The frequencies of DNA fragments associated with the following HLA class II genes were decreased in PJRA although not statistically significantly so after 'correction' of p values: DRB1*04 (14.8% vs 40.2%, RR = 0.27; p less than 10(-3)), DRB1*07 (0% vs 25.9%, RR = 0.04, p less than 10(-3)), DRB4*0101 (DRw53) (25.9% vs 53.6%, RR = 0.31, p less than 10(-3)), DQA1*0102 (11.6% vs 36.0%, RR = 0.25, p less than 10(-4)), and DQA1*0201 (2.6% vs 34.2%, RR = 0.05, p less than 10(-2)).(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- N Morling
- Tissue Typing Laboratory, University of Copenhagen, Denmark
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35
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A distinct HLA-DRw8 haplotype characterizes patients with juvenile rheumatoid arthritis. Immunogenetics 1990; 32:304-8. [PMID: 1979063 DOI: 10.1007/bf00211643] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
We studied the first domain of the HLA-DRB1, HLA-DQA1, and HLA-DQB1 loci of 67 HLA-DRw8-positive Caucasians including 43 with early-onset pauciarticular juvenile rheumatoid arthritis (EOPA-JRA, alternatively known as early-onset pauciarticular juvenile chronic arthritis). Serology, restriction fragment length polymorphism (RFLP), and polymerase chain reaction (PCR) oligotyping revealed that 62, including all the EOPA-JRA patients, carried the HLA-DRB1*0801, DQA1*0401, DQB1*0402 genotype. Approximately one-fifth of the controls carried atypical HLA-DRB1, HLA-DQA1, and/or HLA-DQB1 loci on their HLA-DRw8 haplotype confirmed by family studies. DNA sequences of HLA-DRB1, DQA1, and DQB1 alleles in patients and controls were identical to those previously reported. Disease association studies in 113 EOPA-JRA patients and 207 controls unselected for HLA-DRw8 revealed that the HLA-DRB1*0801, DQA1*0401, DQB1*0402 genotype was associated with a higher relative risk (RR) for disease (RR = 12.8, chi 2 = 48.8, P less than 10(-4)) than was the serologically defined presence of HLA-DRw8 (RR = 8, chi 2 = 39, P less than 10(-4)). Further analysis suggested that the DQ genes on HLA-DRw8 haplotypes are as likely as the DR genes to contribute to the pathogenesis of EOPA-JRA. This study increases to five the number of HLA-DR/DQ haplotypes identified in HLA-DRw8 Caucasians.
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36
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Hamilton ML, Gladman DD, Shore A, Laxer RM, Silverman ED. Juvenile psoriatic arthritis and HLA antigens. Ann Rheum Dis 1990; 49:694-7. [PMID: 2241285 PMCID: PMC1004206 DOI: 10.1136/ard.49.9.694] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The clinical, laboratory, and radiological features, including histocompatibility typing, of 28 patients with juvenile psoriatic arthritis are reported. The most common presentation was that of psoriasis preceding or occurring simultaneously with arthritis. The most common course of juvenile psoriatic arthritis was to start as an oligoarthritis and progress, usually to polyarthritis. No patients with juvenile psoriatic arthritis had uveitis. Overall, most patients had a good outcome (93% in functional class I and II), though 8/28 (29%) did require disease modifying drugs over a mean period of 8.8 years of follow up. The clinical features of these patients were very similar to those of a group of 158 adult patients with psoriatic arthritis with the same disease duration followed up in the clinic. Although there was an increased prevalence of B17 in both juvenile and adult psoriatic arthritis, juvenile psoriatic arthritis showed increased prevalence of A2, whereas adult psoriatic arthritis showed increased prevalence of B27, Bw39, and Cw6. This HLA association differed from that reported in other forms of juvenile arthritis.
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Affiliation(s)
- M L Hamilton
- University of Toronto, Rheumatic Disease Unit, Wellesley Hospital
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37
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Ström H, Lindvall N, Hellström B, Rosenthal L. Clinical, HLA, and roentgenological follow up study of patients with juvenile arthritis: comparison between the long term outcome of transient and persistent arthritis in children. Ann Rheum Dis 1989; 48:918-23. [PMID: 2531995 PMCID: PMC1003914 DOI: 10.1136/ard.48.11.918] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Fifty two patients with juvenile chronic arthritis (JCA) and 22 patients with arthritis of short duration (transient arthritis, TA) were studied in a follow up investigation. Nineteen (37%) of the patients with JCA had peripheral arthritis or sequelae in the form of contractures at follow up, and in addition one patient was treated with corticosteroids. In contrast, only one (5%) of the 22 patients with TA had peripheral arthritis at follow up. Back pain or limitation, or both, was registered in many of the men. Sacroiliitis, verified by x ray, was often found both in JCA (39/46, 85%) and in TA (16/21, 76%). For JCA an association was confirmed with HLA-A2 and HLA-DRw8 and a negative association with HLA-DR4, and in pauciarticular JCA, in addition, a decrease of DR7. A new finding was a low prevalence of HLA-B27 in women with JCA and grade 3 or 4 sacroiliitis (2/14, 14%).
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Affiliation(s)
- H Ström
- Department of Internal Medicine, Danderyd Hospital, Stockholm, Sweden
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Maksymowych WP, Glass DN. Population genetics and molecular biology of the childhood chronic arthropathies. BAILLIERE'S CLINICAL RHEUMATOLOGY 1988; 2:649-71. [PMID: 2906573 DOI: 10.1016/s0950-3579(88)80033-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Recent immunogenetic studies of JRA patients have both helped to clarify subdivision into distinctive subtypes and identified those subtypes which may be related to adult rheumatic disease. Despite the variability of HLA associations from different geographic sources, a consensus appears to be emerging as to the most important associations. In addition to the HLA-DR locus, distinct associations with the HLA-DP and HLA-DQ loci have been described. Family studies have suggested an increased risk with certain haplotypes, particularly in the EOPA JRA population. Although inheritance patterns remain to be defined, recent studies with monoclonal antibodies, alloreactive T cell clones, and DNA have identified the existence of specific epitopes encoded by a variety of Ia molecules which may be more directly related to disease susceptibility. The concept of an epitope dose effect is put forward to account for the variable HLA association with disease, particularly with regard to EOPA JRA. Further developments in the definition of micropolymorphisms of Ia molecules at the genomic level as well as the possible involvement of other genetic loci, in particular T cell receptor variable gene products, should help clarify our understanding of the role of genetic factors in the aetiology of JRA. The studies of the last two decades indicate that inferences made by Carter (1969) on the 'polygenic, weakly penetrant genetic effect' in autoimmune disease are indeed applicable to JRA.
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Wakefield D, Buckley R, Golding J, McCluskey P, Abi-Hanna D, Charlesworth J, Pussell B. Association of complement allotype C4B2 with anterior uveitis. Hum Immunol 1988; 21:233-7. [PMID: 3259571 DOI: 10.1016/0198-8859(88)90032-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We have studied allotypes of the fourth component of complement (C4) in 44 patients with inflammatory eye disease in order to define genetic susceptibility factors further. Twenty-six patients had uveitis (18 had anterior uveitis) and 18 patients had retinal vasculitis. There was an increased incidence of the C4B2 allotype in patients with anterior uveitis (pc less than 0.002), especially in HLA B27 positive males. In contrast, there was no increased incidence of specific allotypes in patients with posterior uveitis or retinal vasculitis. This genetic association may form part of a disease susceptibility supratype in patients with anterior uveitis.
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Affiliation(s)
- D Wakefield
- Laboratory of Ocular Immunology, School of Pathology, University of New South Wales, Australia
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40
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Abstract
Patients with juvenile chronic arthritis (JCA) may be subdivided into a minority, who carry IgM rheumatoid factor and have erosive polyarthritis resembling adult rheumatoid arthritis, and the majority (90%), who are seronegative by conventional means. Between 30 and 60% of patients with JCA have positive antinuclear antibodies (ANAs) according to the choice of substrate for indirect immunofluorescence. The importance of ANAs is the frequent development of associated asymptomatic chronic iridocyclitis, which may impair vision causing worse handicap than the arthritis, which remains predominantly pauciarticular in two thirds of these young children. ANA positive patients rarely possess antibodies to deoxyribonucleic acid (DNA) or extractable nuclear antigens (ENA), and current studies suggest that several different nuclear antigens, including histones, may be involved.
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Affiliation(s)
- A M Leak
- Clinical Research Centre, Division of Rheumatology, Harrow, Middlesex
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41
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Briggs DC, Donaldson PT, Hayes P, Welsh KI, Williams R, Neuberger JM. A major histocompatibility complex class III allotype (C4B 2) associated with primary biliary cirrhosis (PBC). TISSUE ANTIGENS 1987; 29:141-145. [PMID: 3496684 DOI: 10.1111/j.1399-0039.1987.tb01566.x] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Primary Biliary Cirrhosis (PBC) is a female associated disease of unknown aetiology, although there is evidence of immunological abnormalities. There is no known cure; liver damage is progressive and eventually fatal, although transplantation can prevent patient death. Data presented here show, for the first time, a strong association in Caucasoids between PBC and the major histocompatibility complex (MHC). 45% of patients studied, compared with only 17% in a control group, expressed an MHC Class III allotype C4B 2 (pc = 0.014). Polymorphisms of MHC Class I, Class II, and other Class III gene products which flank the C4 genes were not found to be associated with the disease. Although we cannot rule out the involvement of other loci linked to the C4B 2 complement gene, the data provide strong evidence that this genetic area is implicated in the pathogenesis of this disease.
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Abstract
The current knowledge of the relationship between the HLA system and the different forms of Juvenile Chronic Arthritis is reviewed: Of the different forms the Early Onset Pauciarticular JCA is associated with DRw8, DR5 and A2, the Polyarticular Onset Rheumatoid Factor positive JCA shows the same pattern of association as does the Adult Rheumatoid Arthritis namely with DR4 and DR1. Juvenile Spondylitis is strongly related to the presence of B27. For the other clinical forms of Juvenile Chronic arthritis the data are not sufficiently well established to give a definite association. In Early Onset Pauciarticular JCA the association with the DR antigens DRw8 and DR5 is independent of that with HLA-A2. Thus there must be at least two HLA linked regions contributing to susceptibility to this form of JCA, one in the region of HLA-A and the other one in the HLA-DR region. If Early Onset Pauciarticular JCA is analysed according to the type of onset (Monoarticular, with large joints, with large and small joints, with small joints only and with Iridocyclitis) there are no significant differences in the frequencies for the associated DR alleles DR5 and DRw8. The antigen DR4 is not found at all in patients with Monoarticular Onset and in increasing frequencies with the increased number of involved joints. Analysis of the same patients according to the clinical course of the disease (Persistent Pauciarticular, Extended Pauciarticular, Polyarticular) shows that again there are no significant deviations for the associated antigens A2, DR5, DRw8. DR4 is not found in the group with Persistent Pauciarticular Disease.
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Affiliation(s)
- E Albert
- Kinderpoliklinik, Univ. München, FRG
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43
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Odum N, Morling N, Friis J, Heilmann C, Hyldig-Nielsen JJ, Jakobsen BK, Pedersen FK, Platz P, Ryder LP, Svejgaard A. Increased frequency of HLA-DPw2 in pauciarticular onset juvenile chronic arthritis. TISSUE ANTIGENS 1986; 28:245-50. [PMID: 3492783 DOI: 10.1111/j.1399-0039.1986.tb00490.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Thirty-six unrelated Danish patients with pauciarticular Juvenile Chronic Arthritis (PJCA) and 120 controls were typed for HLA-DPw1-w6 and the local specificity CDPHEI with bulk-expanded Primed Lymphocyte Typing (PLT) cells. The frequency of HLA-DPw2 was 52.8% in PJCA patients and 16.7% in controls (relative risk, RR = 4.5; P less than 0.001). The antigens HLA-Dw5 and/or Dw8 were present in 50% of the patients and in 21.3% of the controls (RR = 4.2; p less than 10(-3)). DPw2 was not associated (in linkage disequilibrium) with Dw5/w8 in patients or in controls, and the DP and D associations with PJCA were independent of each other. However, the combined presence of DPw2 and Dw5 and/or Dw8 gave a significantly higher risk of PJCA than each antigen alone indicating interaction of DP and DR gene products. PJCA is the first disease definitely found to be associated with a DP antigen.
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44
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Allen RC, Ansell BM. Juvenile chronic arthritis--clinical sub-groups with particular relationship to adult patterns of disease. Postgrad Med J 1986; 62:821-6. [PMID: 3543912 PMCID: PMC2422807 DOI: 10.1136/pgmj.62.731.821] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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45
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Hall PJ, de Lange GG, Ansell BM. Immunoglobulin allotypes in families with pauciarticular-onset juvenile chronic arthritis. TISSUE ANTIGENS 1985; 25:212-5. [PMID: 4012755 DOI: 10.1111/j.1399-0039.1985.tb00439.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Immunoglobulin allotypes have been studied in the families of 17 pauciarticular-onset juvenile chronic arthritis patients included in the 9th Histocompatibility Workshop. There is no evidence of an association of these genetic factors with the disease, nor with the HLA and complement C4 disease markers.
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