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Avery CN, Russell ND, Steely CJ, Hersh AO, Bohnsack JF, Prahalad S, Jorde LB. Shared genomic segments analysis identifies MHC class I and class III molecules as genetic risk factors for juvenile idiopathic arthritis. HGG ADVANCES 2024; 5:100277. [PMID: 38369753 PMCID: PMC10918567 DOI: 10.1016/j.xhgg.2024.100277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 02/13/2024] [Accepted: 02/13/2024] [Indexed: 02/20/2024] Open
Abstract
Juvenile idiopathic arthritis (JIA) is a complex rheumatic disease encompassing several clinically defined subtypes of varying severity. The etiology of JIA remains largely unknown, but genome-wide association studies (GWASs) have identified up to 22 genes associated with JIA susceptibility, including a well-established association with HLA-DRB1. Continued investigation of heritable risk factors has been hindered by disease heterogeneity and low disease prevalence. In this study, we utilized shared genomic segments (SGS) analysis on whole-genome sequencing of 40 cases from 12 multi-generational pedigrees significantly enriched for JIA. Subsets of cases are connected by a common ancestor in large extended pedigrees, increasing the power to identify disease-associated loci. SGS analysis identifies genomic segments shared among disease cases that are likely identical by descent and anchored by a disease locus. This approach revealed statistically significant signals for major histocompatibility complex (MHC) class I and class III alleles, particularly HLA-A∗02:01, which was observed at a high frequency among cases. Furthermore, we identified an additional risk locus at 12q23.2-23.3, containing genes primarily expressed by naive B cells, natural killer cells, and monocytes. The recognition of additional risk beyond HLA-DRB1 provides a new perspective on immune cell dynamics in JIA. These findings contribute to our understanding of JIA and may guide future research and therapeutic strategies.
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Affiliation(s)
- Cecile N Avery
- Department of Human Genetics, University of Utah, Salt Lake City, UT 84112, USA.
| | - Nicole D Russell
- Department of Human Genetics, University of Utah, Salt Lake City, UT 84112, USA
| | - Cody J Steely
- Department of Human Genetics, University of Utah, Salt Lake City, UT 84112, USA
| | - Aimee O Hersh
- Department of Pediatrics, University of Utah, Salt Lake City, UT 84112, USA
| | - John F Bohnsack
- Department of Pediatrics, University of Utah, Salt Lake City, UT 84112, USA
| | - Sampath Prahalad
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA 30307, USA
| | - Lynn B Jorde
- Department of Human Genetics, University of Utah, Salt Lake City, UT 84112, USA.
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Kim D, Song J, Mancuso N, Mangul S, Jung J, Jang W. Large-scale integrative analysis of juvenile idiopathic arthritis for new insight into its pathogenesis. Arthritis Res Ther 2024; 26:47. [PMID: 38336809 PMCID: PMC10858498 DOI: 10.1186/s13075-024-03280-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 01/29/2024] [Indexed: 02/12/2024] Open
Abstract
BACKGROUND Juvenile idiopathic arthritis (JIA) is one of the most prevalent rheumatic disorders in children and is classified as an autoimmune disease (AID). While a robust genetic contribution to JIA etiology has been established, the exact pathogenesis remains unclear. METHODS To prioritize biologically interpretable susceptibility genes and proteins for JIA, we conducted transcriptome-wide and proteome-wide association studies (TWAS/PWAS). Then, to understand the genetic architecture of JIA, we systematically analyzed single-nucleotide polymorphism (SNP)-based heritability, a signature of natural selection, and polygenicity. Next, we conducted HLA typing using multi-ethnicity RNA sequencing data. Additionally, we examined the T cell receptor (TCR) repertoire at a single-cell level to explore the potential links between immunity and JIA risk. RESULTS We have identified 19 TWAS genes and two PWAS proteins associated with JIA risks. Furthermore, we observe that the heritability and cell type enrichment analysis of JIA are enriched in T lymphocytes and HLA regions and that JIA shows higher polygenicity compared to other AIDs. In multi-ancestry HLA typing, B*45:01 is more prevalent in African JIA patients than in European JIA patients, whereas DQA1*01:01, DQA1*03:01, and DRB1*04:01 exhibit a higher frequency in European JIA patients. Using single-cell immune repertoire analysis, we identify clonally expanded T cell subpopulations in JIA patients, including CXCL13+BHLHE40+ TH cells which are significantly associated with JIA risks. CONCLUSION Our findings shed new light on the pathogenesis of JIA and provide a strong foundation for future mechanistic studies aimed at uncovering the molecular drivers of JIA.
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Affiliation(s)
- Daeun Kim
- Department of Life Sciences, Dongguk University-Seoul, Seoul, 04620, Republic of Korea
| | - Jaeseung Song
- Department of Life Sciences, Dongguk University-Seoul, Seoul, 04620, Republic of Korea
| | - Nicholas Mancuso
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Department of Quantitative and Computational Biology, USC Dornsife College of Letters, Arts and Sciences, University of Southern California, Los Angeles, CA, USA
| | - Serghei Mangul
- Department of Quantitative and Computational Biology, USC Dornsife College of Letters, Arts and Sciences, University of Southern California, Los Angeles, CA, USA
- Titus Family Department of Clinical Pharmacy, USC Alfred E. Mann School of Pharmacy and Pharmaceutical Sciences, University of Southern California, Los Angeles, CA, USA
| | - Junghyun Jung
- Department of Life Sciences, Dongguk University-Seoul, Seoul, 04620, Republic of Korea.
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
- Department of Computational Biomedicine, Cedars-Sinai Medical Center, Hollywood, CA, USA.
| | - Wonhee Jang
- Department of Life Sciences, Dongguk University-Seoul, Seoul, 04620, Republic of Korea.
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Maleki A, Patel PD, Foster CS. Juvenile idiopathic arthritis and its associated uveitis. Expert Rev Clin Immunol 2023; 19:1157-1169. [PMID: 37401872 DOI: 10.1080/1744666x.2023.2231154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 06/26/2023] [Indexed: 07/05/2023]
Abstract
INTRODUCTION Juvenile idiopathic arthritis is the most common chronic rheumatologic disease in children. Uveitis is the most common extra-articular manifestation of JIA, and it can be a sight-threatening condition. AREAS COVERED In this review article, we discussed epidemiology, risk factors, clinical presentation, supportive laboratory tests, treatment options, and complications of Juvenile idiopathic arthritis and Juvenile idiopathic arthritis associated uveitis. We covered conventional immunomodulatory therapy and biologic response modifiers agents for different types of Juvenile idiopathic arthritis and their associated uveitis. Finally, we discussed the course of disease, functional outcome, and the quality of life of Juvenile idiopathic arthritis and Juvenile idiopathic arthritis-associated uveitis. EXPERT OPINION Although clinical outcomes of Juvenile idiopathic arthritis and its associated uveitis have been improved over the past three decades by biologic response modifier agents, a significant proportion of patients require active treatment into adult life therefore screening and monitoring of these patients is required during the patient's entire life. The limited number of food and drug administration approved biologic response modifier agents for the treatment of Juvenile idiopathic arthritis associated uveitis justify more randomized clinical trials with new medications in this field.
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Affiliation(s)
- Arash Maleki
- Department of Ophthalmology, University of Florida, Gainesville, FL, USA
- Massachusetts Eye Research and Surgery Institution, Waltham, MA, USA
- The Ocular Immunology and Uveitis Foundation, Waltham, MA, USA
| | - Priya D Patel
- Massachusetts Eye Research and Surgery Institution, Waltham, MA, USA
- The Ocular Immunology and Uveitis Foundation, Waltham, MA, USA
| | - C Steven Foster
- Massachusetts Eye Research and Surgery Institution, Waltham, MA, USA
- The Ocular Immunology and Uveitis Foundation, Waltham, MA, USA
- Department of Ophthalmology, Harvard Medical School, Boston, MA, USA
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Carlsson E, Beresford MW, Ramanan AV, Dick AD, Hedrich CM. Juvenile Idiopathic Arthritis Associated Uveitis. CHILDREN-BASEL 2021; 8:children8080646. [PMID: 34438537 PMCID: PMC8393258 DOI: 10.3390/children8080646] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/20/2021] [Accepted: 07/23/2021] [Indexed: 01/31/2023]
Abstract
Juvenile idiopathic arthritis (JIA) is the most common childhood rheumatic disease. The development of associated uveitis represents a significant risk for serious complications, including permanent loss of vision. Initiation of early treatment is important for controlling JIA-uveitis, but the disease can appear asymptomatically, making frequent screening procedures necessary for patients at risk. As our understanding of pathogenic drivers is currently incomplete, it is difficult to assess which JIA patients are at risk of developing uveitis. Identification of specific risk factors for JIA-associated uveitis is an important field of research, and in this review, we highlight the genomic, transcriptomic, and proteomic factors identified as potential uveitis risk factors in JIA, and discuss therapeutic strategies.
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Affiliation(s)
- Emil Carlsson
- Department of Women’s and Children’s Health, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L14 5AB, UK;
- Correspondence: (E.C.); (C.M.H.); Tel.: +44-151-228-4811 (ext. 2690) (E.C.); +44-151-252-5849 (C.M.H.)
| | - Michael W. Beresford
- Department of Women’s and Children’s Health, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L14 5AB, UK;
- Department of Rheumatology, Alder Hey Children’s NHS Foundation Trust Hospital, Liverpool L14 5AB, UK
- National Institute for Health Research Alder Hey Clinical Research Facility, Alder Hey Children’s NHS Foundation Trust Hospital, Liverpool L14 5AB, UK
| | - Athimalaipet V. Ramanan
- Bristol Royal Hospital for Children & Translational Health Sciences, University of Bristol, Bristol BS2 8DZ, UK;
| | - Andrew D. Dick
- Translational Health Sciences, University of Bristol, Bristol BS2 8DZ, UK;
- UCL Institute of Ophthalmology, London EC1V 9EL, UK
- NIHR Biomedical Research Centre, Moorfields Eye Hospital, London EC1V 2PD, UK
| | - Christian M. Hedrich
- Department of Women’s and Children’s Health, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L14 5AB, UK;
- Department of Rheumatology, Alder Hey Children’s NHS Foundation Trust Hospital, Liverpool L14 5AB, UK
- National Institute for Health Research Alder Hey Clinical Research Facility, Alder Hey Children’s NHS Foundation Trust Hospital, Liverpool L14 5AB, UK
- Correspondence: (E.C.); (C.M.H.); Tel.: +44-151-228-4811 (ext. 2690) (E.C.); +44-151-252-5849 (C.M.H.)
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Alvarenga MP, do Carmo LF, Vasconcelos CCF, Alvarenga MP, Alvarenga-Filho H, de Melo Bento CA, Paiva CLA, Leyva-Fernández L, Fernández Ó, Papais-Alvarenga RM. Neuromyelitis optica is an HLA associated disease different from Multiple Sclerosis: a systematic review with meta-analysis. Sci Rep 2021; 11:152. [PMID: 33420337 PMCID: PMC7794341 DOI: 10.1038/s41598-020-80535-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 12/22/2020] [Indexed: 01/29/2023] Open
Abstract
Neuromyelitis Optica and Multiple Sclerosis are idiopathic inflammatory demyelinating diseases of the central nervous system that currently are considered distinct autoimmune diseases, so differences in genetic susceptibility would be expected. This study aimed to investigate the HLA association with Neuromyelitis Optica by a systematic review with meta-analysis. The STROBE instrument guided research paper assessments. Thirteen papers published between 2009 and 2020 were eligible. 568 Neuromyelitis Optica patients, 41.4% Asians, 32.4% Latin Americans and 26.2% Europeans were analyzed. Only alleles of the DRB1 locus were genotyped in all studies. Neuromyelitis Optica patients have 2.46 more chances of having the DRB1*03 allelic group than controls. Ethnicity can influence genetic susceptibility. The main HLA association with Neuromyelitis Optica was the DRB1*03:01 allele in Western populations and with the DPB1*05:01 allele in Asia. Differences in the Multiple Sclerosis and Neuromyelitis Optica genetic susceptibility was confirmed in Afro descendants. The DRB1*03 allelic group associated with Neuromyelitis Optica has also been described in other systemic autoimmune diseases.
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Affiliation(s)
- Marcos Papais Alvarenga
- Programa de Pós-Graduação em Neurologia, Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Rua Mariz e Barros 775, Rio de Janeiro, RJ, 20270-004, Brazil
- Departamento de Neurologia, Hospital Federal da Lagoa, Rua Jardim Botânico 501, Rio de Janeiro, RJ, 22470-050, Brazil
- Universidade Estácio de Sá (UNESA), Avenida Ayrton Senna, 2800, Barra da Tijuca, Rio de Janeiro, RJ, 22775-003, Brazil
| | - Luciana Ferreira do Carmo
- Programa de Pós-Graduação em Neurologia, Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Rua Mariz e Barros 775, Rio de Janeiro, RJ, 20270-004, Brazil
| | - Claudia Cristina Ferreira Vasconcelos
- Programa de Pós-Graduação em Neurologia, Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Rua Mariz e Barros 775, Rio de Janeiro, RJ, 20270-004, Brazil
| | - Marina Papais Alvarenga
- Programa de Pós-Graduação em Neurologia, Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Rua Mariz e Barros 775, Rio de Janeiro, RJ, 20270-004, Brazil
| | - Helcio Alvarenga-Filho
- Programa de Pós-Graduação em Neurologia, Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Rua Mariz e Barros 775, Rio de Janeiro, RJ, 20270-004, Brazil
- Universidade Estácio de Sá (UNESA), Avenida Ayrton Senna, 2800, Barra da Tijuca, Rio de Janeiro, RJ, 22775-003, Brazil
| | - Cleonice Alves de Melo Bento
- Programa de Pós-Graduação em Neurologia, Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Rua Mariz e Barros 775, Rio de Janeiro, RJ, 20270-004, Brazil
| | - Carmen Lucia Antão Paiva
- Programa de Pós-Graduação em Neurologia, Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Rua Mariz e Barros 775, Rio de Janeiro, RJ, 20270-004, Brazil
| | - Laura Leyva-Fernández
- Instituto de Investigación Biomédica de Málaga-IBIMA, UGCNeurociencias, Hospital Regional Universitario de Málaga, Avenida de Carlos Haya sn, 29010, Málaga, Spain
- Red Temática de Investigación Cooperativa: Red Española de Esclerosis Multiple REEM (RD 16/0015/0010), Barcelona, Spain
| | - Óscar Fernández
- Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Regional Universitario de Málaga, Avenida de Carlos Haya sn, 29010, Málaga, Spain
| | - Regina Maria Papais-Alvarenga
- Programa de Pós-Graduação em Neurologia, Universidade Federal do Estado do Rio de Janeiro (UNIRIO), Rua Mariz e Barros 775, Rio de Janeiro, RJ, 20270-004, Brazil.
- Departamento de Neurologia, Hospital Federal da Lagoa, Rua Jardim Botânico 501, Rio de Janeiro, RJ, 22470-050, Brazil.
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Kay CSK, Scola RH, Arndt RC, Lorenzoni PJ, Werneck LC. HLA-alleles class I and II associated with genetic susceptibility to neuromyelitis optica in Brazilian patients. ARQUIVOS DE NEURO-PSIQUIATRIA 2020; 77:239-247. [PMID: 31090804 DOI: 10.1590/0004-282x20190031] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Accepted: 01/08/2019] [Indexed: 11/22/2022]
Abstract
OBJECTIVE To study the genetic susceptibility to neuromyelitis optica (NMO) as well as the relationship between HLA genotypes and susceptibility to the disease in the southern Brazilian population. METHODS We analyzed patients with NMO, who met criteria for Wingerchuk's diagnosis of NMO, with detected serum anti-AQP4-IgG antibody. The HLA genotyping was performed by high-resolution techniques (Sanger sequencing) in patients and controls. The HLA genotypes were statistically compared with a paired control population. RESULTS The HLA genotyping revealed the diversity of the southern Brazilian population whose HLA profile resembled European and Asian populations. Some alleles had statistical correlations with a positive association (increased susceptibility) with NMO, particularly the HLA-DRB1*04:05 and *16:02. CONCLUSIONS In our study, the HLA genotype was different to that previously reported for other Brazilian populations. Although our study had a small cohort, HLA genotypes were associated with increased susceptibility to NMO for HLA-DRB1*04:05 and *16:02. The alleles of HLA class I HLA-A*02:08 and *30:09, HLA-B*08:04 and *35:04 showed an association before the Bonferroni correction.
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Affiliation(s)
- Cláudia Suemi Kamoi Kay
- Universidade Federal do Paraná, Hospital de Clínicas, Departamento de Clínica Médica, Serviço de Neurologia, Curitiba PR, Brasil
| | - Rosana Herminia Scola
- Universidade Federal do Paraná, Hospital de Clínicas, Departamento de Clínica Médica, Serviço de Neurologia, Curitiba PR, Brasil
| | - Raquel Cristina Arndt
- Universidade Federal do Paraná, Hospital de Clínicas, Departamento de Clínica Médica, Serviço de Neurologia, Curitiba PR, Brasil
| | - Paulo José Lorenzoni
- Universidade Federal do Paraná, Hospital de Clínicas, Departamento de Clínica Médica, Serviço de Neurologia, Curitiba PR, Brasil
| | - Lineu Cesar Werneck
- Universidade Federal do Paraná, Hospital de Clínicas, Departamento de Clínica Médica, Serviço de Neurologia, Curitiba PR, Brasil
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Kesarapu S, Vangala N, Uppin SG, Uppin MS, Paul TR, Rajasekhar L. Acute Leukemia Presenting with Musculoskeletal Manifestations: A Case Series. Indian J Med Paediatr Oncol 2020. [DOI: 10.4103/ijmpo.ijmpo_113_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Abstract
Introduction: Leukemia is the most common childhood malignancy accounting for 30%–40% of cases. Acute lymphoblastic leukemia is the most common leukemia in children with peak incidence in 2–6 years of age. The present study aims to assess the incidence of acute leukemia in patients presenting with musculoskeletal manifestations. Materials and Methods: This is a retrospective study conducted in a tertiary center from January 2014 to December 2018. A total of 63 children presented with musculoskeletal manifestations and underwent bone marrow examination. Based on final marrow diagnosis, the study group was divided into leukemic and nonleukemic groups. Results: Fever was the most common presenting complaint and was present in all the patients of both the groups. The occurrence of hepatosplenomegaly was comparatively higher in the leukemic group than in patients with juvenile idiopathic arthritis (JIA). The predominant type of arthritis was oligoarticular (68.15%) in the leukemic group and polyarticular (77.27%) in the nonleukemic group. Rheumatoid rash was noted in 20% of JIA patients, and none of the patients in the leukemic group had rash. The percentages of anemia, leukopenia, and thrombocytopenia were statistically higher in leukemia patients than in JIA patients. Conclusion: Bone marrow studies are a prerequisite in diagnosing leukemias. However, based on the presence of few atypical clinical and laboratory features, leukemia can be excluded in JIA patients.
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Affiliation(s)
- Swetha Kesarapu
- Department of Pathology, Nizams Institute of Medical Sciences, Hyderabad, Telangana, India
| | - Navatha Vangala
- Department of Pathology, Nizams Institute of Medical Sciences, Hyderabad, Telangana, India
| | - Shantveer G Uppin
- Department of Pathology, Nizams Institute of Medical Sciences, Hyderabad, Telangana, India
| | - Megha S Uppin
- Department of Pathology, Nizams Institute of Medical Sciences, Hyderabad, Telangana, India
| | - Tara Roshni Paul
- Department of Pathology, Nizams Institute of Medical Sciences, Hyderabad, Telangana, India
| | - Liza Rajasekhar
- Department of Rheumatology, Nizams Institute of Medical Sciences, Hyderabad, Telangana, India
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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: 2.2] [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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Saxena A, Sharma G, Tyagi S, Mourya M, Coshic P, Tiwari PK, Mehra NK, Kanga U. HLA-A*02 repertoires in three defined population groups from North and Central India: Punjabi Khatries, Kashmiri Brahmins and Sahariya Tribe. HLA 2018; 93:16-23. [PMID: 30516033 DOI: 10.1111/tan.13447] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 11/26/2018] [Accepted: 11/29/2018] [Indexed: 01/30/2023]
Abstract
The allelic family of HLA-A*02 with a repertoire of approximately 1022 alleles represents the predominant and most heterogeneous group at the HLA-A locus. This remarkable diversity signifies its evolutionary relevance. Its population-specific diversity is attributed to environmental factors and pathogen pressure and can be harnessed in biology and medicine, particularly in disease association and for HLA-based vaccination approaches. We therefore investigated the HLA-A*02 repertoire in two North Indian caste populations, viz Punjabi Khatries (PK, N = 250), Kashmiri Brahmins (KB, N = 160) and a Central Indian tribe Sahariya (ST, N = 100) using Luminex-based high-resolution rSSO method. When required, results were confirmed with high-resolution PCR-SSP and/or next-generation sequencing (NGS). In the three populations evaluated, HLA-A*02 was observed with an overall high phenotypic/allelic frequency, however, A*02 repertoire differed among them. A total of six alleles were observed (A*02:01, *02:03, *02:05, *02:06, *02:07 and *02:11) in the caste groups, compared with four (except *02:05 and *02:07) in the tribals. Our striking observation was the high occurrence of A*02:11 at the repertoire level (80.6% in ST, 39% in PK, 31.8% in KB). Globally, this allele is rare, observed with low frequencies in limited ethnic groups. The primordial A*02:01 allele, representative A*02 allele in most ethnicities was observed as the second predominant allele (PK = 27.3%, KB = 31.8% and ST = 11.9%). Extremely high occurrence of A*02:11 in ST may be representation of ancient Austro-Asiatic genetic pool. In caste populations, the observed A*02 repertoire may be a consequence of natural selection and/or admixture from different populations.
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Affiliation(s)
- Abhishweta Saxena
- Department of Transplant Immunology and Immunogenetics, All India Institute of Medical Sciences, New Delhi, India
| | - Gaurav Sharma
- Department of Transplant Immunology and Immunogenetics, All India Institute of Medical Sciences, New Delhi, India
| | - Shweta Tyagi
- Department of Transplant Immunology and Immunogenetics, All India Institute of Medical Sciences, New Delhi, India
| | - Manish Mourya
- Department of Transplant Immunology and Immunogenetics, All India Institute of Medical Sciences, New Delhi, India
| | - Poonam Coshic
- Department of Transfusion Medicine (Blood Bank), All India Institute of Medical Sciences, New Delhi, India
| | - Pramod K Tiwari
- Centre for Genomics Molecular and Human Genetics, School of studies in Zoology, Jiwaji University, Gwalior, India
| | - Narinder K Mehra
- Dr C.G Pandit National Chair and Former Dean (Research), All India Institute of Medical Sciences, New Delhi, India
| | - Uma Kanga
- Department of Transplant Immunology and Immunogenetics, All India Institute of Medical Sciences, New Delhi, India
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Rezaieyazdi Z, Kochakzadeh M, Hatef MR, Esmaily H, Malek A, Valizadeh N, Tabaei S, Rafatpanah H. Protective role of HLA-DRB1*11 against juvenile idiopathic arthritis living in North Eastern Iran. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2018; 21:564-568. [PMID: 29942445 PMCID: PMC6015248 DOI: 10.22038/ijbms.2018.25022.6215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Objective(s): Juvenile idiopathic arthritis (JIA) is one of the most common chronic rheumatic diseases in children. The complex nature of this immune-mediated disease owes itself to several predisposing genes and environmental factors affecting its pathogenesis. Conducted in Iran, this study was originally intended to investigate every possible association between HLA DRB1 alleles and a susceptibility to JIA. Materials and Methods: In this case-control study, 45 patients with a definite diagnosis of JIA based on International League against Rheumatism (ILAR) criteria were compared against 46 healthy controls. DNA samples taken from both groups were analyzed using PCR-sequence specific primers (PCR-SSP) method. Data analysis including parametric and nonparametric test and multivariate analysis was undertaken using the SPSS 11.5 software. A P-value< 0.05 was regarded as statistically significant. Results: Mean ages in case group and healthy controls were 14.64±6.21 and 13.73±6.39, respectively with no significant difference between the two groups (P=0.515). Sex difference between JIA group and healthy controls was also not significant (P=0.068). The frequency of HLA-DRB1*01 was found the most frequent HLA-RB1 in our patients (33.3%). No significant statistical correlation between various HLA-DRB1 alleles and clinical subtypes of the disease could be established from the data. HLA-DRB1*11 was shown to raise protection to JIA (P=0.035, OR=2.755, 95% CI=0.963-8.055) in northeastern Iran. In addition, we found that HLA-RB1*09 is nominally associated with an increased risk of JIA (P=0.56, OR=2, 05, 95% CI=0.18-23.63). Conclusion: HLA-DRB1*11 was shown to raise protection to JIA in northeastern Iran. The disparity of findings in other ethnicities prompts further investigations with larger sample sizes.
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Affiliation(s)
- Zahra Rezaieyazdi
- Rheumatic Disease Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Morteza Kochakzadeh
- Rheumatic Disease Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Reza Hatef
- Rheumatic Disease Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Habibollah Esmaily
- Social Determination of Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Abdolreza Malek
- Department of Pediatrics, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Narges Valizadeh
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Samira Tabaei
- Rheumatic Disease Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Houshang Rafatpanah
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
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PADI4 and the HLA-DRB1 shared epitope in juvenile idiopathic arthritis. PLoS One 2017; 12:e0171961. [PMID: 28182665 PMCID: PMC5300194 DOI: 10.1371/journal.pone.0171961] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Accepted: 01/27/2017] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE Both genetic and environmental factors are associated with susceptibility to juvenile idiopathic arthritis (JIA). Many studies have reported that both a 'shared epitope' (SE) encoded by several HLA-DRB1 alleles and the peptidyl arginine deiminase type 4 (PADI4) gene polymorphisms are associated with susceptibility to rheumatoid arthritis (RA). However, it is uncertain whether JIA and RA share the latter genetic risk factor. Therefore, here we investigated relationships between HLA-SE and PADI4 polymorphisms with clinical subtypes of JIA. METHODS JIA patients (39 oligoarthritis, 48 RF-positive polyarthritis, 19 RF-negative polyarthritis and 82 systemic) and 188 healthy controls were genotyped for HLA-DRB1 by PCR-sequence-specific oligonucleotide probe methodology. Three PADI4 gene single nucleotide polymorphisms (SNPs), rs2240340, rs2240337 and rs1748033, were genotyped using TaqMan SNP Genotyping Assays. RESULTS Frequencies of the HLA-SE were higher in RF-positive polyarticular JIA than in healthy controls. RF-positive polyarticular JIA was associated with HLA-SE (OR = 5.3, 95% CI = 2.5-11.9, pc < 0.001). No associations were found between clinical subtypes of JIA and PADI4 allele frequency. Nonetheless, rs2240337 in the PADI4 gene was significantly associated with anti-cyclic citrullinated peptide antibody (ACPA)-positivity in JIA. The A allele at rs2240337 was a significant risk factor for ACPA positivity in JIA (OR = 5.6, 95% CI = 1.71-23.7 pc = 0.03). CONCLUSION PADI4 gene polymorphism is associated with ACPA-positivity in JIA. The association of HLA-SE with RF-positive polyarticular JIA as well as RA is confirmed in Japanese. Thus, HLA-SE and PADI4 status both influence JIA clinical manifestations.
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Pers YM, Le Blay P, Ludwig C, Rittore C, Tejedor G, Foliwe R, Rodiere M, Jorgensen C, Touitou I. Association of TRAF1-C5 with risk of uveitis in juvenile idiopathic arthritis. Joint Bone Spine 2016; 84:305-308. [PMID: 27369649 DOI: 10.1016/j.jbspin.2016.04.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 04/17/2016] [Indexed: 01/18/2023]
Abstract
OBJECTIVES Numerous single nucleotide polymorphisms (SNPs) have been associated with JIA, but few of these studies were replicated. We conducted a candidate-gene approach study to assess if some SNPs could be related to clinical subtypes or other clinical features of the juvenile idiopathic arthritis (JIA) such as the risk of uveitis, ANA positivity and the age at onset. METHODS SNPs in six genes were analysed: PTPN22, STAT4, TRAF1-C5, TGFbeta, TNFAIP3, and C12orf30. We retrospectively included 104 JIA patients, fulfilling the ILAR classification criteria. Association between SNPs and JIA clinical subtypes, the presence of ANA, risk of uveitis and age at onset was evaluated using a Chi2 test or a Fischer test. RESULTS No associations between different clinical subtypes as well as presence of ANA and the 6 SNPs were found. However, the AA genotype of TRAF1-C5 appeared associated in a subgroup of patients with uveitis in oligoarticular and polyarticular forms [OR 3.77 (95% CI: 1.1067, 12.8527); P=0.066]. Furthermore, AA TRAF1-C5 was significantly more frequent in antinuclear antibodies (ANA) positive patients presenting uveitis, compared to patients without uveitis and without ANA (P<0.05). CONCLUSION TRAF1-C5 genotype could identify JIA patients with a risk to develop uveitis especially in oligo and polyarticular forms and among ANA-positive children. Given the moderate size of our cohort, this association has to be confirmed in other studies.
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Affiliation(s)
- Yves-Marie Pers
- Unité clinique d'immunorhumatologie : thérapeutique des maladies articulaires et osseuses, CHRU Lapeyronie, 371, avenue du Doyen-Gaston-Giraud, 34295 Montpellier, France; Inserm, U1183, CHU Saint-Éloi, 80, avenue Augustin-Fliche, 34295 Montpellier cedex 5, France.
| | - Pierre Le Blay
- Unité clinique d'immunorhumatologie : thérapeutique des maladies articulaires et osseuses, CHRU Lapeyronie, 371, avenue du Doyen-Gaston-Giraud, 34295 Montpellier, France; Inserm, U1183, CHU Saint-Éloi, 80, avenue Augustin-Fliche, 34295 Montpellier cedex 5, France
| | - Catherine Ludwig
- Unité d'immunorhumatologie pédiatrique, CHRU Arnaud-de-Villeneuve, 34295 Montpellier, France
| | - Cécile Rittore
- Inserm, U1183, CHU Saint-Éloi, 80, avenue Augustin-Fliche, 34295 Montpellier cedex 5, France; Unité médicale des maladies auto-inflammatoires (Centre de référence), laboratoire de génétique, CHRU Arnaud-de-Villeneuve, 34295 Montpellier, France
| | - Gautier Tejedor
- Inserm, U1183, CHU Saint-Éloi, 80, avenue Augustin-Fliche, 34295 Montpellier cedex 5, France; Unité médicale des maladies auto-inflammatoires (Centre de référence), laboratoire de génétique, CHRU Arnaud-de-Villeneuve, 34295 Montpellier, France
| | - Randy Foliwe
- Clinical Research and Epidemiology Department, La Colombière University Hospital, 34295 Montpellier, France
| | - Michel Rodiere
- Unité d'immunorhumatologie pédiatrique, CHRU Arnaud-de-Villeneuve, 34295 Montpellier, France
| | - Christian Jorgensen
- Unité clinique d'immunorhumatologie : thérapeutique des maladies articulaires et osseuses, CHRU Lapeyronie, 371, avenue du Doyen-Gaston-Giraud, 34295 Montpellier, France; Inserm, U1183, CHU Saint-Éloi, 80, avenue Augustin-Fliche, 34295 Montpellier cedex 5, France; University of Montpellier, boulevard Henri IV, 34090 Montpellier, France
| | - Isabelle Touitou
- Inserm, U1183, CHU Saint-Éloi, 80, avenue Augustin-Fliche, 34295 Montpellier cedex 5, France; Unité médicale des maladies auto-inflammatoires (Centre de référence), laboratoire de génétique, CHRU Arnaud-de-Villeneuve, 34295 Montpellier, France; University of Montpellier, boulevard Henri IV, 34090 Montpellier, France
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Alam MM, Ray B, Sarkar S, Mandal O, Mondal R, Hazra A, Das NK. Spirometric evaluation in juvenile idiopathic arthritis: data from eastern India. Indian J Pediatr 2014; 81:1010-4. [PMID: 24493318 DOI: 10.1007/s12098-013-1335-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Accepted: 12/27/2013] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To evaluate lung function in juvenile idiopathic arthritis (JIA) patients. METHODS This was a case control study carried out at Institute of Post-Graduate Medical Education & Research, Kolkata, involving JIA patients between 5 and 12 y. They were diagnosed and classified on the basis of International League of Associations for Rheumatology (ILAR) criteria and compared with same number of age, sex, height and weight matched controls. Forced vital capacity (FVC), forced expiratory volume in 1 s (FEV1), FEV1/FVC ratio, forced expiratory flow between 25 and 75% of vital capacity (FEF25-75%) and peak expiratory flow rate (PEFR) of cases were compared to those of matched controls. RESULTS Among 36 JIA patients initially recruited, 9 were excluded. Of the remaining 27 patients, male: female ratio was 17:10. Mean age, height and weight of JIA patients were 9.15 y, 124.67 cm and 23.78 kg respectively. Six patients had oligoarthritis, 3 had rheumatoid factor positive (RF+) polyarthritis, 10 had rheumatoid factor negative (RF-) polyarthritis and 8 had systemic JIA. Eleven patients had active disease and 15 patients required methotrexate. None had respiratory symptoms. Mean duration of the disease was 2.96 y. Mean FVC and FEV1 were significantly less in JIA patients compared to controls (p value=0.0003 and 0.0007, respectively). FEV1/FVC in both the groups was similar (p value=0.96). Mean Z scores for FVC and FEV1 were significantly higher in JIA patients (p value=0.0064 and 0.0030, respectively). CONCLUSION Spirometry in JIA patients demonstrated statistically significant restrictive pattern of alteration in pulmonary function.
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Affiliation(s)
- Md Mahboob Alam
- Department of Physiology, Institute of Postgraduate Medical Education & Research, Kolkata, India,
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Adams TL, Marchiori DM. Arthritides. Clin Imaging 2014. [DOI: 10.1016/b978-0-323-08495-6.00009-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Lee HS. Association of Human Leukocyte Antigen-DRB1 with Juvenile Idiopathic Arthritis. JOURNAL OF RHEUMATIC DISEASES 2014. [DOI: 10.4078/jrd.2014.21.5.225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Hye-Soon Lee
- Division of Rheumatology, Hanyang University Guri Hospital, Department of Internal Medicine, Hanyang University College of Medicine, Guri, Korea
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Lima BR, Nussenblatt RB, Sen HN. Pharmacogenetics of drugs used in the treatment of ocular inflammatory diseases. Expert Opin Drug Metab Toxicol 2013; 9:875-82. [PMID: 23521173 DOI: 10.1517/17425255.2013.783818] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
INTRODUCTION Ocular inflammatory diseases comprise uveitis, scleritis, and inflammation of adjacent structures of the eye. Therapy may be challenging and often involves corticosteroids and immunomodulatory agents. AREAS COVERED This review describes the genes involved in noninfectious ocular inflammatory diseases and focuses on pharmacogenetic studies regarding different classes of anti-inflammatory drugs used in the management of uveitis, including corticosteroids, antimetabolites, calcineurin inhibitors, alkylating agents, and biological agents. EXPERT OPINION Pharmacogenetics holds the promise of a personalized medicine with potential to customize treatment that can achieve the best clinical response and avoid toxicity. Several polymorphisms in various genes involved in the metabolism of drugs commonly utilized in the treatment of ocular inflammatory diseases have been described. Most promising is the polymorphism in thiopurinemethyltransferase gene for which a genotype analysis can reveal slow metabolizers of azathioprine and help avoid serious drug toxicity. Although pharmacogenetic studies with specific focus on ocular inflammatory diseases are lacking, knowledge from studies in rheumatologic diseases and transplant medicine can provide a platform for future research. Prospective clinical studies are needed to determine the clinical significance of such polymorphisms and their true effect on drug metabolism and side effects.
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Affiliation(s)
- Breno R Lima
- National Eye Institute, National Institutes of Health, Laboratory of Immunology, Bethesda, MD 20892, USA
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