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Arıkan S, Öztürk O, Duygulu Ş, Atalay EÖ, Atalay A. Associations of IL-17 and IL-17 receptor polymorphisms with Behçet's disease in Denizli Province of Turkey. Immunol Res 2023; 71:600-608. [PMID: 36701075 DOI: 10.1007/s12026-023-09363-7] [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: 06/20/2022] [Accepted: 01/17/2023] [Indexed: 01/27/2023]
Abstract
Although the etiopathogenesis of Behçet's disease is not known, studies conducted in different populations show that it is a multifactorial disease that is thought to develop as a result of the interaction of environmental and genetic factors. IL-17 is thought to induce the neutrophilic inflammation and the tissue damage mediated by immune response in patients. Polymorphisms in the gene region encoding IL-17 and IL-17R molecules may play a critical role in the pathogenesis of the disease and contribute to the elucidation of disease mechanism. We aimed to show the association of IL-17A, IL-17F, and IL-17RC polymorphisms and haplotypes in Behçet's disease patients and its clinical features. We genotyped IL-17A (rs4711998 (A/G), rs8193036 (C/T), rs2275913 (A/G), rs3819025 (A/G), rs8193038 (A/G), rs3804513 (A/T), rs1974226 (C/T), rs3748067 (C/T)); IL-17F (rs763780 (T/C), rs2397084 (T/C)); and IL-17R (IL-17RC) (rs708567 (C/T)) polymorphisms in 88 patients with Behçet's disease and 133 healthy controls using PCR-RFLP-based approach. The results of our study showed that polymorphisms of IL-17A, rs8193036 (C/T), rs3819025 (G/A), rs3804513 (A/T), IL-17F rs2397084 (T/C), and IL-17RC rs708567 (C/T) are associated with the susceptibility to the BD. When the haplotype distributions of all loci of IL-17Aand IL-17A/IL-17F together were examined and in contrast to the data obtained from the controls, the GTGGAACC (27.84%) and GTGGAACCTT (25.57%) have the highest frequencies. In conclusion, the allele and genotype frequency differences of the IL-17A, IL-17F, and IL-17R and haplotype frequencies between Behçet's disease and controls indicate that the genetic structure of Behçet's disease may be different.
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Affiliation(s)
- Sanem Arıkan
- Department of Biophysics, Faculty of Medicine, Pamukkale University, 20070, Denizli, Turkey.
| | - Onur Öztürk
- Department of Biophysics, Faculty of Medicine, Malatya Turgut Özal University, Malatya, Turkey
| | - Şeniz Duygulu
- Department of Dermatology, Faculty of Medicine, Pamukkale University, Denizli, Turkey
| | - Erol Ömer Atalay
- Department of Biophysics, Faculty of Medicine, Pamukkale University, 20070, Denizli, Turkey
| | - Ayfer Atalay
- Department of Biophysics, Faculty of Medicine, Pamukkale University, 20070, Denizli, Turkey
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Barkhane Z, Elmadi J, Satish Kumar L, Pugalenthi LS, Ahmad M, Reddy S. Multiple Sclerosis and Autoimmunity: A Veiled Relationship. Cureus 2022; 14:e24294. [PMID: 35607574 PMCID: PMC9123335 DOI: 10.7759/cureus.24294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/19/2022] [Indexed: 12/02/2022] Open
Abstract
Multiple sclerosis (MS) is an autoimmune inflammatory illness that affects the central nervous system (CNS) when the body's immune system attacks its tissue. It is characterized by demyelination and varying degrees of axonal loss. This article has compiled various studies elaborating MS and other autoimmune diseases (ADs) co-occurrence. Several conditions that fall into this category, including type 1 diabetes (T1D), rheumatoid arthritis (RA), Guillain-Barre syndrome (GBS), myasthenia gravis (MG), and many others, are found in MS patients and their relatives, suggesting one or more common etiologic mechanisms, including genetic, environmental, and immunological factors, supporting the concept of a possible influence of poly-autoimmunity on MS and the rest of ADs, as well as providing a significant feature for early detection of the disease and also a potential treatment option by clinical neurologists.
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Chen P, Li Y, Li L, Zhang G, Zhang F, Tang Y, Zhou L, Yang Y, Li J. Association between the interleukin (IL)-17A rs2275913 polymorphism and rheumatoid arthritis susceptibility: a meta-analysis and trial sequential analysis. J Int Med Res 2021; 49:3000605211053233. [PMID: 34704484 PMCID: PMC8554571 DOI: 10.1177/03000605211053233] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Objective This meta-analysis was conducted to investigate the relationship between the interleukin (IL)-17A rs2275913 polymorphism and rheumatoid arthritis (RA) susceptibility. Methods Eligible studies were retrieved from PubMed, Embase, and Web of Science. The fixed- or random-effects model was used to calculate the pooled odds ratios (ORs) and 95% confidence intervals (95%CIs) on the basis of heterogeneity. Results Overall, 11 studies containing 4019 RA patients and 4137 controls were included in this meta-analysis. The results suggested a significant association between the IL-17A rs2275913 polymorphism and RA susceptibility in the overall population (allelic model A vs. G: OR = 0.89, 95%CI: 0.83–0.95; heterozygote model GA vs. GG: OR = 0.87, 95%CI: 0.78–0.96; homozygote model AA vs. GG: OR = 0.82, 95%CI: 0.71–0.96; dominant model GA + AA vs. GG: OR = 0.86, 95%CI: 0.78–0.94). In the subgroup analyses, the IL-17A rs2275913 polymorphism was significantly associated with RA risk in Europeans (allelic model A vs. G: OR = 0.87, 95%CI: 0.78–0.97; heterozygote model GA vs. GG: OR = 0.79, 95%CI: 0.68–0.93; dominant model GA + AA vs. GG: OR = 0.79, 95%CI: 0.68–0.92), but not in Africans or Americans. Conclusion This study suggests that the IL-17A rs2275913 polymorphism is significantly associated with RA susceptibility in Europeans. INPLASY registration number: INPLASY202170056.
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Affiliation(s)
- Ping Chen
- Department of Rheumatology, Daping Hospital, the Third Affiliated Hospital of Third Military Medical University, Chongqing, China
| | - Yuhao Li
- Department of Rheumatology, Daping Hospital, the Third Affiliated Hospital of Third Military Medical University, Chongqing, China
| | - Liangliang Li
- Department of Rheumatology, Daping Hospital, the Third Affiliated Hospital of Third Military Medical University, Chongqing, China
| | - Guixin Zhang
- Department of Rheumatology, Daping Hospital, the Third Affiliated Hospital of Third Military Medical University, Chongqing, China
| | - Feng Zhang
- Department of Rheumatology, Daping Hospital, the Third Affiliated Hospital of Third Military Medical University, Chongqing, China
| | - Yan Tang
- Department of Rheumatology, Daping Hospital, the Third Affiliated Hospital of Third Military Medical University, Chongqing, China
| | - Li Zhou
- Department of Rheumatology, Daping Hospital, the Third Affiliated Hospital of Third Military Medical University, Chongqing, China
| | - Yi Yang
- Department of Rheumatology, Daping Hospital, the Third Affiliated Hospital of Third Military Medical University, Chongqing, China
| | - Jing Li
- Department of Rheumatology, Daping Hospital, the Third Affiliated Hospital of Third Military Medical University, Chongqing, China
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Wielińska J, Świerkot J, Kolossa K, Bugaj B, Chaszczewska-Markowska M, Jeka S, Bogunia-Kubik K. Polymorphisms within Genes Coding for IL-17A and F and Their Receptor as Clinical Hallmarks in Ankylosing Spondylitis. Mediators Inflamm 2021; 2021:3125922. [PMID: 34744511 PMCID: PMC8566063 DOI: 10.1155/2021/3125922] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 10/21/2021] [Indexed: 12/17/2022] Open
Abstract
IL-17A and IL-17F together with their coreceptor (IL-17RA/RC) were reported to play a significant role in the pathogenesis of spondyloarthritis. The group of axial spondyloarthritis comprises ankylosing spondylitis (AS), a rheumatic disease characterized by chronic inflammation of the joints in the spine. This study is aimed at investigating IL-17A, IL-17F, IL-17RA, and IL-17RC polymorphisms as potential biomarkers of disease susceptibility, clinical parameters, and anti-TNF treatment outcome in a cohort of Polish ankylosing spondylitis patients. In total, 328 subjects, including 138 AS patients and 190 healthy volunteers, participated in the study. Genotyping of IL-17A rs2275913 (G/A), IL-17F rs763780 (A/G), IL-17RA rs4819554 (A/G), and IL-17RC rs708567 (G/A) was performed on real-time PCR instrument using LightSNiP assays. No significant differences were revealed in genotype and allele distribution between patients and controls despite the association of the IL-17RC rs708567 AA homozygosity with the earlier onset of the disease. Moreover, some relationships between IL-17F rs763780 and IL-17RA rs4819554 polymorphisms with clinical parameters related to the disease activity and anti-TNF treatment outcome were observed. IL-17F rs763780 G allele was found to be associated with high disease activity and BASDAI after 6 months and poor response to the treatment while higher VAS values were more common among IL-17RA rs4819554 G variant carriers. In conclusion, the IL-17F rs763780 polymorphism should be considered as a promising biomarker of disease activity and anti-TNF treatment outcome. The IL-17RA rs48419554 G allele may serve as a potential marker of disease severity in Polish AS patients.
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Affiliation(s)
- Joanna Wielińska
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, R. Weigla 12, 53-114 Wroclaw, Poland
| | - Jerzy Świerkot
- Department of Rheumatology and Internal Medicine, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland
| | - Katarzyna Kolossa
- Department of Rheumatology and Connective Tissue Diseases, Jan Biziel University Hospital No. 2, Ujejskiego 75, 85-168 Bydgoszcz, Poland
| | - Bartosz Bugaj
- Department of Rheumatology and Internal Medicine, Wroclaw Medical University, Borowska 213, 50-556 Wroclaw, Poland
| | - Monika Chaszczewska-Markowska
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, R. Weigla 12, 53-114 Wroclaw, Poland
| | - Sławomir Jeka
- Department of Rheumatology and Connective Tissue Diseases, Jan Biziel University Hospital No. 2, Ujejskiego 75, 85-168 Bydgoszcz, Poland
- Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Jagiellońska 15, 85-067 Bydgoszcz, Poland
| | - Katarzyna Bogunia-Kubik
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, R. Weigla 12, 53-114 Wroclaw, Poland
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Zhang P, Zhou S, Chen Z, Tian Y, Wang Q, Li H, Zhang T, Guo Q, Wang M, Guo C. TNF Receptor: Fc Fusion Protein Downregulates RANKL/OPG Ratio by Inhibiting CXCL16/CXCR6 in Active Ankylosing Spondylitis. Curr Pharm Biotechnol 2021; 22:305-316. [PMID: 32116188 DOI: 10.2174/1389201021666200302104418] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 12/20/2019] [Accepted: 02/09/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Clinical studies indicate that recombinant tumor necrosis factor receptor:Fc fusion protein (rhTNFR:Fc) quickly alleviates symptoms and physical signs of active Ankylosing Spondylitis (AS), improving the manifestation of spinal inflammation on radiological imaging. However, the regulatory mechanism of rhTNFR:Fc in the chemokine pathway is unclear. Thus we study the mechanism of phlogogenic activity of CXCL16/CXCR6 in AS and the related mechanism of rhTNFR: Fc treatment. METHODS Thirty-two cases of active AS were treated with rhTNFR:Fc for 3 consecutive months. Clinical response was evaluated at baseline and after treatment. CXCL16/CXCR6 expression as well as Receptor Activator Of Nuclear Factor-Κb Ligand (RANKL)/Osteoprotegerin (OPG), essential molecules for osteoclast differentiation, were studied in AS before and after treatment. Further, the proliferation of lymphocytes and the RANKL level stimulated by recombinant human CXCL16 (rhCXCL16) were measured in vitro. RESULTS Thirty cases responded to rhTNFR:Fc treatment. The RANKL level, RANKL/OPG ratio, CXCLl6 level in serum, and CXCLl6 and CXCR6 mRNA levels in active AS were higher than those in controls and treated patients (P<0.001). rhCXCL16 treatment increased lymphocyte proliferation and RANKL level in active AS (P<0.001), but not in controls or treated patients (P>0.05). A positive linear correlation was noted between CXCL16 serum levels and RANKL/OPG ratio and between CXCL16 levels and C-reactive protein results (P<0.001). CONCLUSIONS Our findings suggest that rhTNFR:Fc suppresses inflammation and bone destruction of AS by reducing the RANKL/OPG ratio through inhibition of the CXCL16/CXCR6 pathway.
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Affiliation(s)
- Peiyi Zhang
- Department of Rheumatology and Immunology, Jinan Central Hospital Affiliated to Shandong University, Jinan 250013, China
| | - Shufen Zhou
- Department of Rheumatology and Immunology, Southern Medical University Affiliated Shenzhen Baoan Hospital, Shenzhen 518101, China
| | - Zhe Chen
- Department of Rheumatology and Immunology, Southern Medical University Affiliated Shenzhen Baoan Hospital, Shenzhen 518101, China
| | - Ye Tian
- Department of Rheumatology and Immunology, Southern Medical University Affiliated Shenzhen Baoan Hospital, Shenzhen 518101, China
| | - Qianqian Wang
- Department of Rheumatology and Immunology, Southern Medical University Affiliated Shenzhen Baoan Hospital, Shenzhen 518101, China
| | - Hui Li
- Department of Rheumatology and Immunology, Southern Medical University Affiliated Shenzhen Baoan Hospital, Shenzhen 518101, China
| | - Tiantian Zhang
- Department of Rheumatology and Immunology, Southern Medical University Affiliated Shenzhen Baoan Hospital, Shenzhen 518101, China
| | - Qin Guo
- Department of Rheumatology and Immunology, Southern Medical University Affiliated Shenzhen Baoan Hospital, Shenzhen 518101, China
| | - Meiying Wang
- Department of Rheumatology and Immunology, Peking University Shenzhen Hospital, Shenzhen 518000, China
| | - Chengshan Guo
- Department of Rheumatology and Immunology, Southern Medical University Affiliated Shenzhen Baoan Hospital, Shenzhen 518101, China
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Wielińska J, Kolossa K, Świerkot J, Dratwa M, Iwaszko M, Bugaj B, Wysoczańska B, Chaszczewska-Markowska M, Jeka S, Bogunia-Kubik K. Polymorphisms within the RANK and RANKL Encoding Genes in Patients with Rheumatoid Arthritis: Association with Disease Progression and Effectiveness of the Biological Treatment. Arch Immunol Ther Exp (Warsz) 2020; 68:24. [PMID: 32815001 PMCID: PMC7438366 DOI: 10.1007/s00005-020-00590-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 06/17/2020] [Indexed: 12/11/2022]
Abstract
Inconsistency of the results regarding the genetic variability within genes coding for receptor activator of nuclear factor κB (RANK) and its ligand (RANKL) in rheumatoid arthritis (RA) prompted us to study the RANK and RANKL polymorphisms as potential biomarkers associated with disease predisposition and response to anti-TNF treatment in a group of Polish patients with RA. This study enrolled 318 RA patients and 163 controls. RANK (rs8086340, C > G; rs1805034, C > T) and RANKL (rs7325635, G > A; rs7988338 G > A) alleles were determined by real-time PCR with melting curve analysis and related with clinical parameters. In addition, RANKL serum levels were measured by ELISA. The RANK rs8086340-G allele was overrepresented among patients as compared to controls (OD = 1.777, p = 0.038). C-reactive protein (CRP) levels were significantly (p < 0.05) associated with RANK rs8086340 polymorphism and were higher in the CC-homozygotes at the baseline while lower in the GG-carriers at the 12th week of the treatment. At the latter time point RANKL rs7325635-GG-positive patients also showed significantly lower CRP concentrations. Higher alkaline phosphatase levels before induction of anti-TNF therapy were observed in RANK rs8086340 and RANK rs1805034 CC homozygotes (p = 0.057 and p = 0.035, respectively). The GG homozygosity of both RANKL single nucleotide polymorphisms was significantly associated with the number of swollen joints (rs7988338 and rs7325635, before and at the 12th week of therapy, respectively, p < 0.05 in both cases). These results imply that polymorphisms within the RANK and RANKL genes affect RA susceptibility and anti-TNF treatment outcome.
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Affiliation(s)
- Joanna Wielińska
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
| | - Katarzyna Kolossa
- Department of Rheumatology and Connective Tissue Diseases, Jan Biziel University Hospital No. 2, Bydgoszcz, Poland
| | - Jerzy Świerkot
- Department of Rheumatology and Internal Medicine, Wroclaw Medical University, Wroclaw, Poland
| | - Marta Dratwa
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
| | - Milena Iwaszko
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
| | - Bartosz Bugaj
- Department of Rheumatology and Internal Medicine, Wroclaw Medical University, Wroclaw, Poland
| | - Barbara Wysoczańska
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
| | - Monika Chaszczewska-Markowska
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
| | - Sławomir Jeka
- Department of Rheumatology and Connective Tissue Diseases, Jan Biziel University Hospital No. 2, Bydgoszcz, Poland
- Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Torun, Poland
| | - Katarzyna Bogunia-Kubik
- Laboratory of Clinical Immunogenetics and Pharmacogenetics, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland.
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The association between RANK, RANKL and OPG gene polymorphisms and the risk of rheumatoid arthritis: a case-controlled study and meta-analysis. Biosci Rep 2019; 39:BSR20182356. [PMID: 31209146 PMCID: PMC6597846 DOI: 10.1042/bsr20182356] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 05/22/2019] [Accepted: 06/11/2019] [Indexed: 12/29/2022] Open
Abstract
The receptor activator of nuclear factor-κB (RANK) and the osteoprotegerin (OPG) cascade system have been reported to be essential in osteoclastogenesis. In recent years, several studies have investigated the association between polymorphisms of RANK, its ligand RANKL and OPG genes and the risk of rheumatoid arthritis (RA) in different populations. However, the results arising from these studies were conflicting. To determine the association between RANK, RANKL and OPG gene polymorphisms and the risk of RA. We conducted a hospital-based case-controlled study in Changzhou with 574 RA cases and 804 controls. The genotyping of RANK gene rs1805034 polymorphism was conducted by single base extension combined with matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF-MS). We also undertook a meta-analysis of the literature referring to polymorphisms of RANK, RANKL and OPG genes and RA risk. This case-controlled study found that the polymorphism in the RANK gene rs1805034 was not related to RA risk. Stratification analyses by sex and age suggested that RANK gene rs1805034 polymorphism was not associated with the risk of RA among groups of male, female, age ≤ 55 and age > 55. Our meta-analysis found that the rs2277438 polymorphism in RANKL gene increased the risk of RA, whereas RANK gene rs1805034, OPG gene rs3102735, OPG gene rs2073618, OPG gene rs3134069 polymorphisms were not related to RA susceptibility. In conclusion, this case-controlled study and meta-analysis indicated that the RANKL gene rs2277438 polymorphism increased the RA risk, and that RANK gene rs1805034, OPG gene rs3102735, OPG gene rs2073618, OPG gene rs3134069 polymorphisms were not related to RA risk.
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The Influence of TLR4, CD14, OPG, and RANKL Polymorphisms in Periodontitis: A Case-Control Study. Mediators Inflamm 2019; 2019:4029217. [PMID: 31281226 PMCID: PMC6590594 DOI: 10.1155/2019/4029217] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 04/10/2019] [Accepted: 05/20/2019] [Indexed: 11/17/2022] Open
Abstract
The pathogenesis of periodontitis involves a complex interaction between the microbial challenge and the host immune response. The individual immunoinflammatory response has a great contribution in the pathogenesis of the disease and becomes a trigger in the process of bone remodeling which is a characteristic of the disease. Thus, the aim of this study was to evaluate the influence of the TLR4 A896G (rs4986790), TLR4 C1196T (rs4986791), CD14 C-260T (rs2569190), RANKL (TNFSF11, rs2277438), and OPG (TNFSF11B C163T, rs3102735) polymorphisms in periodontitis. A case-control study was conducted on patients with periodontitis (N = 203) and controls (N = 213) over 30 years of age, without diabetes mellitus, acute infections, and osteoarthritis, and patients without aggressive periodontitis, i.e., stage IV and C degree of periodontitis, and any periodontal treatment performed in the last 6 months. Genotypes were determined by the PCR-RFLP and sequencing method. The frequency comparisons between case and controls were performed using the chi-square test and logistic regression (OpenEpi and SNPStats software). The risk (OR) was evaluated for values of P < 0.05. Differences in TLR4, CD14, RANKL, and OPG genotype and allele frequency distributions were not observed between patients and controls. However, some variants were a risk factor for the development of periodontitis when considering gender and smoking habits. The TLR4 896 A/G genotype was a risk factor for periodontitis in males (OR = 2.86), and the TLR4 1196C/C genotype was a risk factor for nonsmoking males (OR = 1.85) when compared to women. The RANKL A/A and the OPG T/C genotype was associated with the risk of the disease in nonsmoking men compared to nonsmoking women with the same genotype (OR = 1.96 and OR = 2.9, respectively). In conclusion, TLR4, CD14, RANKL, and OPG variants were not associated with periodontitis. However, TLR4, RANKL, and OPG polymorphisms could be a risk for periodontitis in males regardless of smoking habits.
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Wang CM, Tsai SC, Lin JC, Wu YJJ, Wu J, Chen JY. Association of Genetic Variants of RANK, RANKL, and OPG with Ankylosing Spondylitis Clinical Features in Taiwanese. Mediators Inflamm 2019; 2019:8029863. [PMID: 31015798 PMCID: PMC6446096 DOI: 10.1155/2019/8029863] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 01/10/2019] [Accepted: 01/29/2019] [Indexed: 12/18/2022] Open
Abstract
Ankylosing spondylitis (AS) is a chronic inflammatory disease that leads to spinal ankylosis. The receptor activator of the nuclear factor-kappa (RANK), RANK ligand, and osteoprotegerin (OPG) (RANK/RANKL/OPG) pathway plays critical roles in bone metabolism and the immune system. The current study was aimed at investigating whether six single-nucleotide polymorphisms (SNPs) within the RANK, RANKL, and OPG genes essential for bone homeostasis are associated with AS. Genotype distributions, allele and haplotype frequencies, were compared between 1120 AS patients and 1435 healthy controls and among AS patients with stratification by syndesmophyte formation, onset age, and HLA-B27 positivity. We found that RANKL SNPs were associated with AS syndesmophyte formation. Notably, the RANKL SNP haplotype rs7984870C/rs9533155G/rs9525641C was negatively associated with AS susceptibility and appeared to protect against syndesmophyte formation in AS. Functionally, RANKL promoter SNPs (rs9525641 C/T and rs9533155 G/C) affected DNA-protein complex formation and promoter activity in promoter reporter analyses. The OPG SNP haplotype rs2073618G/rs3102735T was significantly associated with HLA-B27 negativity in AS patients. Furthermore, AS patients with syndesmophyte formation had significantly lower levels of soluble RANKL levels than those without syndesmophyte formation. Our data suggested a role for RANKL in AS susceptibility and severity.
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Affiliation(s)
- Chin-Man Wang
- Department of Rehabilitation, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Taiwan
| | - Shu-Chun Tsai
- The Genomics Research Center, Academia Sinica, 128 Academia Road, Section 2 Nankang, Taipei 115, Taiwan
| | - Jing-Chi Lin
- Attending Physician, Department of Medicine, Division of Allergy, Immunology and Rheumatology, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Taiwan
| | - Yeong-Jian Jan Wu
- Attending Physician, Department of Medicine, Division of Allergy, Immunology and Rheumatology, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Taiwan
| | - Jianming Wu
- Associate Professor, Department of Veterinary and Biomedical Sciences, Department of Medicine, University of Minnesota, USA
| | - Ji-Yih Chen
- Attending Physician, Department of Medicine, Division of Allergy, Immunology and Rheumatology, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Taiwan
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Association between interleukin-17 gene polymorphism and rheumatoid arthritis among Egyptians. Meta Gene 2018. [DOI: 10.1016/j.mgene.2018.03.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
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Boman A, Kokkonen H, Ärlestig L, Berglin E, Rantapää-Dahlqvist S. Receptor activator of nuclear factor kappa-B ligand (RANKL) but not sclerostin or gene polymorphisms is related to joint destruction in early rheumatoid arthritis. Clin Rheumatol 2017; 36:1005-1012. [PMID: 28190118 PMCID: PMC5400786 DOI: 10.1007/s10067-017-3570-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 01/22/2017] [Accepted: 01/31/2017] [Indexed: 01/25/2023]
Abstract
The aim of this study was to analyze relationships between receptor activator of nuclear factor kappa-B (RANKL), sclerostin and their gene polymorphisms with radiological progression in patients with early rheumatoid arthritis (RA). Patients with early RA (n = 407, symptomatic <1 year) (ARA criteria) examined radiologically at inclusion and after 24 months were consecutively included. Disease activity score and C-reactive protein were regularly recorded. Sclerostin, RANKL, and anti-CCP2 antibodies were analyzed in plasma at baseline using ELISAs. Data on gene polymorphism for sclerostin and RANKL were extracted from Immunochip analysis. Sex- and age-matched controls (n = 71) were identified from the Medical Biobank of Northern Sweden. The concentration of RANKL was significantly higher in patients compared with controls, median (IQR) 0.56 (0.9) nmol/L and 0.20 (0.25) nmol/L (p < 0.001), and in anti-CCP2-positive patients compared with sero-negative individuals. Sclerostin was significantly increased in female patients 0.59 (0.47–0.65) ng/mL compared with female controls 0.49 (0.4–0.65) ng/mL (p < 0.02). RANKL concentration was related to the Larsen score at baseline (p < 0.01), after 24 months (p < 0.001), and to radiological progression at 24 months (p < 0.001). Positivity of RANKL and anti-CCP2 yielded significant risk for progression with negativity for both as reference. No single nucleotide polymorphism encoding TNFSF11 or SOST was associated with increased concentrations of the factors. The concentration of RANKL was related to the Larsen score at baseline, at 24 months, and radiological progression at 24 months particularly in anti-CCP2-positive patients, while the concentration of sclerostin was unrelated to radiological findings.
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Affiliation(s)
- Antonia Boman
- Department of Public Health and Clinical Medicine/Rheumatology, Umeå University, SE-901 85, Umeå, Sweden
| | - Heidi Kokkonen
- Department of Public Health and Clinical Medicine/Rheumatology, Umeå University, SE-901 85, Umeå, Sweden
| | - Lisbeth Ärlestig
- Department of Public Health and Clinical Medicine/Rheumatology, Umeå University, SE-901 85, Umeå, Sweden
| | - Ewa Berglin
- Department of Public Health and Clinical Medicine/Rheumatology, Umeå University, SE-901 85, Umeå, Sweden
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Ruyssen-Witrand A, Degboé Y, Cantagrel A, Nigon D, Lukas C, Scaramuzzino S, Allanore Y, Vittecoq O, Schaeverbeke T, Morel J, Sibilia J, Cambon-Thomsen A, Dieudé P, Constantin A. Association between RANK, RANKL and OPG polymorphisms with ACPA and erosions in rheumatoid arthritis: results from a meta-analysis involving three French cohorts. RMD Open 2016; 2:e000226. [PMID: 27651922 PMCID: PMC5020667 DOI: 10.1136/rmdopen-2015-000226] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Revised: 02/24/2016] [Accepted: 03/07/2016] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVES The RANK/RANKL/osteoprotegerin (OPG) system plays a central role in the pathogenesis of bone erosions in rheumatoid arthritis (RA). The aim of this study was to test the association between 11 single-nucleotide polymorphisms (SNPs) located on RANK, RANKL and OPG genes and anticitrullinated peptide antibody (ACPA) presence or erosions in RA. METHODS PATIENTS This work was performed on three independent samples of French patients with RA: the Etude de Suivi des PolyArthrites Indifférenciées Récentes (ESPOIR) (n=632), Rangueil Midi-Pyrénées (RMP) (n=249) and French Rheumatoid Arthritis Genetic Consortium (FRAGC) (n=590) cohorts. Genotyping: the genotyping of 11 SNPs located on RANK, RANKL and OPG were performed by PCR. STATISTICAL ANALYSES The association between the genotypes with ACPA or erosions was first tested in the ESPOIR cohort using a χ(2) test and, in the case of significant association, replicated in the RMP and FRACG cohorts. A meta-analysis on the three cohorts was performed using the Mantel-Haenszel method. RESULTS One SNP on RANK (rs8086340) and three SNPs on RANKL (rs7984870, rs7325635, rs1054016) were significantly associated with ACPA presence, while one SNP on OPG (rs2073618) and one SNP on RANKL (rs7325635) were significantly associated with erosions in the ESPOIR cohort. Following meta-analysis performed on the three samples, the SNP on RANK and the GGG haplotype of the three SNPs located on RANKL were both significantly associated with ACPA presence, while only the SNP on OPG remained significantly associated with erosions. CONCLUSIONS This study identified one SNP located on RANK, one haplotype on RANKL associated with ACPA presence, and one SNP located on OPG associated with erosions in three different samples of French patients with RA.
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Affiliation(s)
- Adeline Ruyssen-Witrand
- UMR 1027, INSERM, Toulouse, France; University Paul Sabatier Toulouse III, Toulouse, France; Rheumatology Center, Purpan Hospital, Toulouse, France
| | - Yannick Degboé
- University Paul Sabatier Toulouse III, Toulouse, France; Rheumatology Center, Purpan Hospital, Toulouse, France; UMR 1043, INSERM, Toulouse, France
| | - A Cantagrel
- University Paul Sabatier Toulouse III, Toulouse, France; Rheumatology Center, Purpan Hospital, Toulouse, France; UMR 1043, INSERM, Toulouse, France
| | - D Nigon
- Rheumatology Center, Purpan Hospital , Toulouse , France
| | - C Lukas
- Rheumatology Department , Lapeyronie Teaching Hospital , Montpellier , France
| | - S Scaramuzzino
- UMR 1027, INSERM, Toulouse, France; University Paul Sabatier Toulouse III, Toulouse, France
| | - Y Allanore
- Rheumatology Department , Cochin Teaching Hospital , Paris , France
| | - O Vittecoq
- Department of Rheumatology , Rouen University Hospital & INSERM U905 , Rouen , France
| | - T Schaeverbeke
- Rheumatology Department , Pellegrin Hospital , Bordeaux , France
| | - J Morel
- Rheumatology Department , Lapeyronie Teaching Hospital , Montpellier , France
| | - J Sibilia
- Department of Rheumatology , Hôpitaux Universitaires de Strasbourg, Université de Strasbourg , Strasbourg , France
| | - A Cambon-Thomsen
- UMR 1027, INSERM, Toulouse, France; University Paul Sabatier Toulouse III, Toulouse, France
| | - P Dieudé
- Rheumatology Department , Claude Bernard-Bichat Teaching Hospital, Paris VII University , Paris , France
| | - A Constantin
- University Paul Sabatier Toulouse III, Toulouse, France; Rheumatology Center, Purpan Hospital, Toulouse, France; UMR 1043, INSERM, Toulouse, France
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Pawlik A, Kotrych D, Malinowski D, Dziedziejko V, Czerewaty M, Safranow K. IL17A and IL17F gene polymorphisms in patients with rheumatoid arthritis. BMC Musculoskelet Disord 2016; 17:208. [PMID: 27169372 PMCID: PMC4864924 DOI: 10.1186/s12891-016-1064-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 05/07/2016] [Indexed: 01/14/2023] Open
Abstract
Background Interleukin-17 plays important role in the pathogenesis of rheumatoid arthritis (RA). The aim of this study was to examine the associations between polymorphisms in the IL17A and IL17F genes and RA. Methods We examined 422 RA patients and 337 subjects as a control group. Single nucleotide polymorphism (SNP) in the IL17A (rs2275913) and IL17F (rs763780, rs11465553, rs2397084) genes were genotyped using TaqMan genotyping assays from Life Technologies Genomic. Results There were no significant differences in distribution of IL17A and IL17F genotypes and alleles between RA patients and control group. There were no significant associations between IL17A and IL17F genotypes and age of disease diagnosis rheumatoid factor, erosive disease as well as extra-articular manifestations. Conclusions The results of this study suggest, that IL17A and IL17F gene polymorphism are not the important factors associated with susceptibility and some clinical parameters of RA in a Polish population.
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Affiliation(s)
- Andrzej Pawlik
- Department of Physiology, Pomeranian Medical University, Powstancow Wlkp. 72, 70-111, Szczecin, Poland.
| | - Daniel Kotrych
- Departament of Orthopaedics, Traumatology and Orthopaedic Oncology, Pomeranian Medical University, Unii Lubelskiej 1, 71-252, Szczecin, Poland
| | - Damian Malinowski
- Department of Physiology, Pomeranian Medical University, Powstancow Wlkp. 72, 70-111, Szczecin, Poland.,Department of Pharmacokinetics and Therapeutic Drug Monitoring, Pomeranian Medical University, Powstancow Wlkp. 72, 70-111, Szczecin, Poland
| | - Violetta Dziedziejko
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstancow Wlkp. 72, 70-111, Szczecin, Poland
| | - Michal Czerewaty
- Department of Physiology, Pomeranian Medical University, Powstancow Wlkp. 72, 70-111, Szczecin, Poland
| | - Krzysztof Safranow
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstancow Wlkp. 72, 70-111, Szczecin, Poland
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Association Between Osteoprotegerin Gene Polymorphisms and Rheumatoid Arthritis Susceptibility: A Meta-analysis. Arch Med Res 2016; 47:134-41. [PMID: 27156396 DOI: 10.1016/j.arcmed.2016.05.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Accepted: 04/29/2016] [Indexed: 02/05/2023]
Abstract
BACKGROUND AND AIMS We undertook this study to assess the association between osteoprotegerin (OPG) gene polymorphisms and rheumatoid arthritis (RA) susceptibility. METHODS English language databases of PubMed Medline and OVID EMBASE and Chinese databases of China National Knowledge Infrastructure, Chinese Biomedical Literature Database and Wanfang were searched to identify case-control studies studied the relationship between OPG gene polymorphisms and RA susceptibility. Two reviewers separately and repeatedly screened searched studies according to study selection criteria and collected data. Data analyses of five comparison models-allelic model, heterozygote model, homozygote model, dominant model and recessive model-were conducted in Review Manager Software 5.1. RESULTS A total of five studies including 1713 RA cases and 1845 controls were eligible in this meta-analysis. Single nucleotide polymorphisms (SNPs), rs3102735 T/C or A/G, rs2073618 G/C and rs3134069 T/G, of OPG gene were studied. Data from five studies of SNPs rs3102735 were OR = 1.22, 95% CI 0.86-1.73, OR = 1.06, 95% CI 0.86-1.32, OR = 1.79, 95% CI 0.65-4.89, OR = 1.16, 95% CI 0.85-1.59, OR = 1.73, 95% CI 0.67-4.46, respectively, for the five comparison models in order. For SNPs rs2073618, results derived from three studies were OR = 1.06, 95% CI 0.95-1.19, OR = 1.11, 95% CI 0.94-1.31, OR = 1.09, 95% CI 0.84-1.42, OR = 1.10, 95% CI 0.94-1.30, OR = 1.04, 95% CI 0.84-1.30, respectively. With respect to SNPs rs3134069, only one study assessed the associations, reporting no statistically significant results among the five comparison models. CONCLUSION SNPs rs3102735, rs2073618 and rs3134069 of OPG gene polymorphisms are not susceptibility factors of RA based on currently available evidence.
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IL17A gene polymorphism, serum IL17 and total IgE in Egyptian population with chronic HCV and hepatocellular carcinoma. Immunol Lett 2015; 168:240-5. [PMID: 26367076 DOI: 10.1016/j.imlet.2015.09.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Accepted: 09/03/2015] [Indexed: 11/21/2022]
Abstract
BACKGROUND Chronic infections with HCV (CHC) induce a chronic inflammation which can lead to liver fibrosis and subsequently cirrhosis. A recent study suggests a role of IL-17 polymorphism and serum IL17 in hepatitis B related HCC. These data indicate that the IL-17 G-197A polymorphism may be a good indicator for susceptibility to cancer development. AIM To investigate the role of the IL17A gene polymorphism, serum IL17 and total IgE in Egyptian population with chronic infections with HCV and HCC. SUBJECTS AND METHODS This study was carried out on 40 patients with chronic HCV, 35 patients with hepatocellular carcinoma and 20 healthy persons as control. All subjects were submitted to History taking, clinical examination, abdominal ultrasound, laboratory tests including CBC, liver function tests, alpha fetoprotien, determination of IL17gene polymorphisms by PCR-RFLP, IL17 by ELISA and IgE by immunonephelometric assay. RESULTS In reference to AA genotype, the frequencies of GG, GA+GG genotypes in the cases with HCC were significantly different from that of the controls (p=0.012, 0.011) and carry 6.12,4.9 respectively fold increase for HCC risk and that of chronic HCV without HCC (p=0.005, 0.004) respectively. However, there was no significant difference in allele frequency in the studied groups (p=0.095). Cases with HCC significantly have higher levels of serum IL17 and IgE than both healthy control and chronic HCV. In conclusion, the present study showed the GG, GG+GA genotypes of IL17A gene is a risk factor for HCC development may be through increased IL17 and IgE and further studies with larger sample size and different populations are recommended.
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Carvalho CN, do Carmo RF, Duarte ALP, Carvalho AAT, Leão JC, Gueiros LA. IL-17A and IL-17F polymorphisms in rheumatoid arthritis and Sjögren’s syndrome. Clin Oral Investig 2015; 20:495-502. [DOI: 10.1007/s00784-015-1540-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Accepted: 07/20/2015] [Indexed: 12/27/2022]
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Danila MI, Westfall AO, Raman K, Chen L, Reynolds RJ, Hughes LB, Arnett DK, McGwin G, Szalai AJ, van der Heijde DM, Conn D, Callahan LF, Moreland LW, Bridges SL. The role of genetic variants in CRP in radiographic severity in African Americans with early and established rheumatoid arthritis. Genes Immun 2015. [PMID: 26226010 DOI: 10.1038/gene.2015.24] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
This study investigates the association of CRP (C-reactive protein) single-nucleotide polymorphisms (SNPs) with plasma CRP levels and radiographic severity in African Americans with early and established rheumatoid arthritis (RA). Using a cross-sectional case-only design, CRP SNPs were genotyped in two independent sets of African Americans with RA: Consortium for the Longitudinal Evaluation of African Americans with RA (CLEAR 1) and CLEAR 2. Radiographic data and CRP measurements were available for 294 individuals from CLEAR 1 (median (interquartile range (IQR) 25-75) disease duration of 1 (0.6-1.6) year) and in 407 persons from CLEAR 2 (median (IQR 25-75) disease duration of 8.9 (3.5-17.7) years). In CLEAR 1, in adjusted models, the minor allele of rs2808630 was associated with total radiographic score (incident rate ratio 0.37 (95% confidence interval (CI) 0.19-0.74), P-value=0.0051). In CLEAR 2, the minor allele of rs3093062 was associated with increased plasma CRP levels (P-value=0.002). For each rs3093062 minor allele, the plasma CRP increased by 1.51 (95% CI 1.15-1.95) mg dl(-1) when all the other covariates remained constant. These findings have important implications for assessment of the risk of joint damage in African Americans with RA.
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Affiliation(s)
- M I Danila
- Department of Medicine, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - A O Westfall
- Department of Biostatistics, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, USA
| | - K Raman
- Department of Medicine, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - L Chen
- Department of Medicine, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - R J Reynolds
- Department of Medicine, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - L B Hughes
- Department of Medicine, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - D K Arnett
- Department of Biostatistics, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, USA
| | - G McGwin
- Department of Biostatistics, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, USA
| | - A J Szalai
- Department of Medicine, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - D M van der Heijde
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - D Conn
- Department of Medicine, Emory University, Atlanta, GA, USA
| | - L F Callahan
- Department of Medicine, University of North Carolina, Chapel Hill, NC, USA
| | - L W Moreland
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - S L Bridges
- Department of Medicine, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA
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Cai YM, Wang J, Wang QW, Long X, Wang WG, Zhang L, Zeng HP, Wu ZC. Association of OPG gene polymorphism with susceptibility to rheumatoid arthrits in Chinese Han. Immunol Lett 2015; 165:102-6. [DOI: 10.1016/j.imlet.2014.07.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2014] [Revised: 07/05/2014] [Accepted: 07/25/2014] [Indexed: 10/24/2022]
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Shen L, Zhang H, Yan T, Zhou G, Liu R. Association between interleukin 17A polymorphisms and susceptibility to rheumatoid arthritis in a Chinese population. Gene 2015; 566:18-22. [PMID: 25871515 DOI: 10.1016/j.gene.2015.04.028] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Revised: 04/02/2015] [Accepted: 04/08/2015] [Indexed: 10/23/2022]
Abstract
BACKGROUND Previous studies have revealed an association between interleukin 17A (IL17A) polymorphisms and the prevalence of rheumatoid arthritis (RA) in Japanese and Caucasian patients. We hypothesized that IL17A polymorphisms might also affect RA susceptibility in the Chinese population. METHODS We studied IL17A rs2275913 G/A, rs3819024 A/G, rs3819025 G/A, rs4711998 A/G, rs8193036 C/T and rs8193037 G/A polymorphisms in 615 RA patients and 839 controls in a Chinese population. Genotyping was performed using a custom-by-design 48-Plex SNP scan™ Kit. RESULTS Our results indicated that IL17A rs4711998 A/G and IL17A rs8193037 G/A polymorphisms were not associated with RA, and IL17A rs2275913 G/A and IL17A rs3819024 A/G variant alleles decrease the risk of RA, while IL17A rs3819025 G/A and IL17A rs8193036 C/T variant alleles increase the risk of RA. CONCLUSIONS These findings suggest that IL17A polymorphisms may be associated with RA. Future larger studies with other ethnic populations are required to confirm current findings.
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Affiliation(s)
- Li Shen
- Department of Clinical Laboratory, Changzhou First People's Hospital, Changzhou 213003, China
| | - Hui Zhang
- Department of Orthopaedic Trauma, Affiliated Hospital of Nanjing Medical University, Changzhou Second People's Hospital, Changzhou 213003, China
| | - Ting Yan
- Department of Orthopaedic Trauma, Affiliated Hospital of Nanjing Medical University, Changzhou Second People's Hospital, Changzhou 213003, China
| | - Guoxin Zhou
- Department of Orthopaedic Trauma, Affiliated Hospital of Nanjing Medical University, Changzhou Second People's Hospital, Changzhou 213003, China
| | - Ruiping Liu
- Department of Orthopaedic Trauma, Affiliated Hospital of Nanjing Medical University, Changzhou Second People's Hospital, Changzhou 213003, China; Central Laboratory, Changzhou Second People's Hospital, Affiliated Hospital of Nanjing Medical University, Changzhou 213003, China.
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IL-17A, IL-17F and IL-23R Gene Polymorphisms in Polish Patients with Rheumatoid Arthritis. Arch Immunol Ther Exp (Warsz) 2014; 63:215-21. [PMID: 25387578 PMCID: PMC4429134 DOI: 10.1007/s00005-014-0319-5] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Accepted: 08/27/2014] [Indexed: 02/07/2023]
Abstract
Among the complex network of inflammatory cells involved in the pathogenesis of rheumatoid arthritis (RA), Th17 cells have recently been identified as key cells in the promotion of autoimmune processes, and joint destruction. The IL-23/Th17 signalling pathway, consisting of IL-23/IL-23R, IL-17A and IL-17F encoding genes, represents a candidate way for RA development with possible involvement in disease susceptibility and effect on disease progression. The present study aimed to determine the association between the polymorphic variants of the IL-17A (rs2275913), IL-17F (rs763780) and IL-23R (rs11209026) genes and RA susceptibility, progression and response to therapy with TNF-α inhibitors. Eighty-nine patients and 125 healthy individuals were investigated. The IL-17A polymorphism was found to affect RA progression and response to anti-TNF treatment. Female patients carrying the IL-17A wild-type genotype more frequently presented with stage 4 (8/24 vs. 6/47; p = 0.058) and were characterized by more active disease (the highest DAS28 score >5.1) after 3 months of therapy with the TNF inhibitors (12/23 vs. 15/45; p = 0.040). The IL-17F polymorphism appeared to be associated with susceptibility to the disease. The presence of the IL-17F minor variant (OR 3.97; p < 0.001) and its homozygosity (OR 29.62; p < 0.001) was more frequent among patients than healthy individuals. These results suggest that the polymorphisms within the IL-17A and IL-17F genes play a significant role in RA.
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Magyari L, Varszegi D, Kovesdi E, Sarlos P, Farago B, Javorhazy A, Sumegi K, Banfai Z, Melegh B. Interleukins and interleukin receptors in rheumatoid arthritis: Research, diagnostics and clinical implications. World J Orthop 2014; 5:516-536. [PMID: 25232528 PMCID: PMC4133458 DOI: 10.5312/wjo.v5.i4.516] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Revised: 04/05/2014] [Accepted: 05/16/2014] [Indexed: 02/06/2023] Open
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease, resulting in a chronic, systemic inflammatory disorder. It may affect many tissues and organs, but it primarily affects the flexible joints. In clinical practice patient care generates many questions about diagnosis, prognosis, and treatment. It is challenging for health care specialists to keep up to date with the medical literature. This review summarizes the pathogenesis, the polymorphisms of interleukin and interleukin genes and the standard available and possible future immunologic targets for RA treatment. The identification of disease-associated interleukin and interleukin receptor genes can provide precious insight into the genetic variations prior to disease onset in order to identify the pathways important for RA pathogenesis. The knowledge of the complex genetic background may prove useful for developing novel therapies and making personalized medicine based on the individual’s genetics.
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Association of receptor activator of nuclear factor-kappaB ligand (RANKL) gene polymorphisms with the susceptibility to ankylosing spondylitis: a case-control study. J Orthop Sci 2014; 19:207-212. [PMID: 24442994 DOI: 10.1007/s00776-013-0528-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2013] [Accepted: 12/23/2013] [Indexed: 02/09/2023]
Abstract
OBJECTIVES To investigate the association between receptor activator of nuclear factor-kappaB ligand (RANKL) gene polymorphisms and the susceptibility to ankylosing spondylitis (AS) in a Chinese Han population. METHODS Three hundred and fifty-two AS patients and 299 age- and gender-matched controls were recruited in this study. Peripheral blood samples were collected from all the subjects and the genomic DNA was then extracted. Three single nucleotide polymorphisms (SNPs) of the RANKL gene (rs2277438, rs7984870 and rs9533156) were genotyped using the TaqMan assay. The frequencies of alleles and genotypes were compared between AS patients and normal controls. RESULTS The distributions of genotype frequencies in rs2277438 were significantly different between AS patients and normal controls (P < 0.05). The frequency of G allele of SNP rs2277438 in AS patients was significantly higher than that in normal controls (P < 0.05). The frequencies of genotypes with G allele (GG and AG) were significantly higher in AS patients when compared with normal controls (OR = 1.573, 95 % CI 1.151-2.150, P < 0.05). Neither the genotype frequencies nor the allele frequencies of rs7984870 and rs9533156 were found to be significantly different between AS patients and normal controls (P > 0.05). CONCLUSIONS The current study demonstrated that SNP rs2277438 of the RANKL gene was associated with the susceptibility of AS in a Chinese Han population. Genotypes with G allele (GG and AG) were identified as the risk factors for the occurrence of AS.
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Genetic polymorphisms of interleukin 17A and interleukin 17F and their association with inflammatory bowel disease in a Chinese Han population. Inflamm Res 2013; 62:743-50. [PMID: 23652560 DOI: 10.1007/s00011-013-0629-9] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2013] [Accepted: 04/25/2013] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE Interleukin-17A and interleukin-17F (IL-17A and IL-17F) are candidate genes for chronic inflammatory disease. We investigated the association between IL17A/F gene polymorphisms and susceptibility to and clinical features of inflammatory bowel disease (IBD). METHODS A total of 270 ulcerative colitis (UC) patients, 82 Crohn's disease (CD) patients and 268 healthy controls were recruited in this study. Genomic DNA was extracted and analyzed for IL17A/F gene polymorphisms using ligase detection reaction allelic technology. RESULTS Compared to the controls, the mutant allele C for IL17F rs763780 was significantly more common in CD patients [14.0 vs 8.4 %, P = 0.033, odds ratio (OR) 1.18, 95 % confidence interval (CI) 1.41-3.04] and was associated with the disease lesion location. This variant of IL17F rs763780 also had a weak correlation with the age of UC onset (P = 0.05, OR 0.97, 95 % CI 0.94-1.00). The IL17A (rs2275913, G-197A) variant had a weak association with the severity of disease: patients with the mutant allele A tended to suffer mild active UC. The haplotype (GGTT) of IL17A formed with four single nucleotide polymorphisms (rs2275913, rs8193037, rs8193038, and rs3804513) was associated with an increased risk of UC (P = 0.034, OR 4.58, 95 % CI 1.54-13.64). CONCLUSIONS The IL17F (rs763780, 7488T/C) variant was associated with an increased risk for the development of CD, and affected some clinical features of UC and CD. The IL17A (rs2275913, G-197A) variant had a weak association with the severity of UC. There was a risk haplotype in IL17A which could increase the risk of UC.
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Ney JT, Juhasz-Boess I, Gruenhage F, Graeber S, Bohle RM, Pfreundschuh M, Solomayer EF, Assmann G. Genetic polymorphism of the OPG gene associated with breast cancer. BMC Cancer 2013; 13:40. [PMID: 23369128 PMCID: PMC3563620 DOI: 10.1186/1471-2407-13-40] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2012] [Accepted: 01/22/2013] [Indexed: 12/20/2022] Open
Abstract
Background The receptor activator of NF-κB (RANK), its ligand (RANKL) and osteoprotegerin (OPG) have been reported to play a role in the pathophysiological bone turnover and in the pathogenesis of breast cancer. Based on this we investigated the role of single nucleotide polymorphisms (SNPs) within RANK, RANKL and OPG and their possible association to breast cancer risk. Methods Genomic DNA was obtained from Caucasian participants consisting of 307 female breast cancer patients and 396 gender-matched healthy controls. We studied seven SNPs in the genes of OPG (rs3102735, rs2073618), RANK (rs1805034, rs35211496) and RANKL (rs9533156, rs2277438, rs1054016) using TaqMan genotyping assays. Statistical analyses were performed using the χ2-tests for 2 x 2 and 2 x 3 tables. Results The allelic frequencies (OR: 1.508 CI: 1.127-2.018, p=0.006) and the genotype distribution (p=0.019) of the OPG SNP rs3102735 differed significantly between breast cancer patients and healthy controls. The minor allele C and the corresponding homo- and heterozygous genotypes are more common in breast cancer patients (minor allele C: 18.4% vs. 13.0%; genotype CC: 3.3% vs. 1.3%; genotype CT: 30.3% vs. 23.5%). No significantly changed risk was detected in the other investigated SNPs. Additional analysis showed significant differences when comparing patients with invasive vs. non-invasive tumors (OPG rs2073618) as well as in terms of tumor localization (RANK rs35211496) and body mass index (RANKL rs9533156 and rs1054016). Conclusions This is the first study reporting a significant association of the SNP rs3102735 (OPG) with the susceptibility to develop breast cancer in the Caucasian population.
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Affiliation(s)
- Jasmin Teresa Ney
- Gynecology, Obstetrics and Reproductive Medicine, University Medical School of Saarland, 66421, Homburg/Saar, Saarland, Germany.
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Association of single nucleotide polymorphisms of IL23R and IL17 with ulcerative colitis risk in a Chinese Han population. PLoS One 2012; 7:e44380. [PMID: 22984500 PMCID: PMC3439435 DOI: 10.1371/journal.pone.0044380] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Accepted: 08/06/2012] [Indexed: 12/15/2022] Open
Abstract
Background Previous studies implicated that IL23R and IL17 genes play an important role in autoimmune inflammation. Genome-wide association studies have also identified multiple single nucleotide polymorphisms (SNPs) in the IL23R gene region associated with inflammatory bowel diseases. This study examined the association of IL23R and IL17A gene SNPs with ulcerative colitis susceptibility in a population in China. Methodology A total of 270 ulcerative colitis and 268 healthy controls were recruited for the analyses of 23 SNPs in the IL23R and IL17A regions. Genomic DNA was extracted and analysis of these 23 SNPs using ligase detection reaction allelic (LDR) technology. Genotype and allele associations were calculated using SPSS 13.0 software package. Principal Findings Compared to the healthy controls, the variant alleles IL23R rs7530511, and rs11805303 showed a statistically significant difference for ulcerative colitis susceptibility (0.7% vs 3.3%, P = 0.002; 60.4% vs 53.2%, P = 0.0017, respectively). The linkage disequilibrium (LD) patterns of these SNPs were measured and three LD blocks from the SNPs of IL23R and one block from those of IL17A were identified. A novel association with ulcerative colitis susceptibility occurred in haplotypes of IL23R (Block1 H3 P = 0.02; Block2 H2 P = 0.019; Block3 H4 P = 0.029) and IL17A (H4 P = 0.034). Pair-wise analyses showed an interaction between the risk haplotypes in IL23R and IL17A (P = 0.014). Conclusions Our study demonstrated that rs7530511, and rs11805303 of IL23R were significantly associated with ulcerative colitis susceptibility in the Chinese population. The most noticeable finding was the linkage of IL23R and IL17A gene region to ulcerative colitis risk due to the gene-gene interaction.
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Yu PL, Zhang XF, Shen FC, Zhang HJ. Association between interleukin-17 gene polymorphisms and inflammatory bowel disease in Chinese patients. Shijie Huaren Xiaohua Zazhi 2012; 20:875-882. [DOI: 10.11569/wcjd.v20.i10.875] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate the association of five single nucleotide polymorphisms in the interleukin 17 (IL-17) gene with the susceptibility to inflammatory bowel disease in Chinese population.
METHODS: This is a case-control study. A total of 350 subjects, including 270 subjects with ulcerative colitis (UC) and 80 subjects with Crohn's disease (CD), were recruited. There were another 268 subjects as control group. Blood samples were collected to extract DNA to detect IL-17A/F gene polymorphisms using ligase detection reaction allelic (LDR) technology. Genotype and allele associations were calculated using SPSS 17.0 software package.
RESULTS: The frequency of IL-17F (rs763780, 7488T/C) variant allele C was significantly higher in CD patients than in controls (13.8% vs 8.4%, P = 0.044, OR = 1.74, 95%CI: 1.01-2.99). In the subgroup analysis, the rs763780 was correlated with the extent of CD lesions, and the frequency of variant allele C was significantly higher in ileocolon group than in non-UC group (P = 0.02). The IL-17A (rs2275913, G-197A) variant was found to have a weak association with disease severity; patients with mutant allele gene A tend to have mild lesion. There is a weak correlation between IL-17F (rs763780, 7488T/C) polymorphism and age (OR = 0.97, 95%CI: 0.94-1.00), and patients with genotype T/C tend to be younger at onset (P = 0.046).
CONCLUSION: There is a weak association between IL-17F polymorphisms and CD susceptibility. IL-17F rs763780 was associated with the extent of CD lesions and the onset age of UC. The IL-17A rs2275913 polymorphism was negatively correlated with disease severity in UC patients.
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Suzuki A, Kochi Y, Okada Y, Yamamoto K. Insight from genome-wide association studies in rheumatoid arthritis and multiple sclerosis. FEBS Lett 2011; 585:3627-32. [PMID: 21600898 DOI: 10.1016/j.febslet.2011.05.025] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2011] [Revised: 05/07/2011] [Accepted: 05/09/2011] [Indexed: 12/25/2022]
Abstract
Autoimmune diseases are caused by multiple genes and environmental effects. In addition, genetic contributions and the number of associated genes differ among different diseases and ethnic populations. Genome-wide association studies (GWAS) on rheumatoid arthritis (RA) and multiple sclerosis (MS) show that these diseases share many genetic factors. Recently, in addition to the major histocompatibility complex (MHC) gene, other genetic loci have been found to be associated with the risk for autoimmune diseases. This review focuses on the search for genetic variants that influence the susceptibility to RA and MS as typical autoimmune diseases and discusses the future of GWAS.
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Affiliation(s)
- Akari Suzuki
- Laboratory for Autoimmune Diseases, Center for Genomic Medicine, The Institute of Physical and Chemical Research (RIKEN), Tsurumi-ku, Yokohama City, Kanagawa, Japan
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Espinoza JL, Takami A, Onizuka M, Kawase T, Sao H, Akiyama H, Miyamura K, Okamoto S, Inoue M, Ohtake S, Fukuda T, Morishima Y, Kodera Y, Nakao S. A single nucleotide polymorphism of IL-17 gene in the recipient is associated with acute GVHD after HLA-matched unrelated BMT. Bone Marrow Transplant 2011; 46:1455-63. [DOI: 10.1038/bmt.2010.325] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Assmann G, Pfoehler C, Simon P, Pfreundschuh M, Tilgen W, Wieczorek S. Genetic variations in the genes encoding receptor activator nuclear factor κ B (RANK), receptor activator nuclear factor κ B ligand (RANKL) and osteoprotegerin (OPG) in patients with psoriasis and psoriatic arthritis: a case-control study. J Dermatol 2010; 38:519-23. [PMID: 21352301 DOI: 10.1111/j.1346-8138.2010.01055.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Psoriasis (Ps) and psoriatic arthritis (PsA) are diseases of unknown origin. However, the receptor activator nuclear factor κ B ligand (RANKL) might play a key role in the pathomechanisms of the disease. Our aim was to study seven single nucleotide polymorphisms (SNP) in the genes encoding for receptor activator nuclear factor κ B (RANK, two SNP), osteoprotegerin (OPG, two SNP) and RANKL (three SNP in patients with Ps and PsA). A case-control study with 156 Ps patients (45 with PsA) and 516 healthy blood donors was conducted to evaluate an association of the SNP with Ps and PsA by genotyping of DNA by polymerase chain reaction. None of the seven SNP showed any differences in the allelic or genotype frequencies between Ps patients and controls. Our study showed no significant association between the SNP in the genes encoding for RANK, OPG and RANKL with susceptibility of disease in Ps and PsA patients.
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Affiliation(s)
- Gunter Assmann
- Internal Medicine I and José Carreras Research Center, Department of Dermatology, University of Saarland Medical School, Homburg/Saar, Germany.
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Paradowska-Gorycka A, Wojtecka-Lukasik E, Trefler J, Wojciechowska B, Lacki JK, Maslinski S. Association between IL-17F gene polymorphisms and susceptibility to and severity of rheumatoid arthritis (RA). Scand J Immunol 2010; 72:134-41. [PMID: 20618772 DOI: 10.1111/j.1365-3083.2010.02411.x] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Interleukin-17F (IL-17F) is a novel proinflammatory cytokine. IL-17F gene is an excellent candidate for chronic inflammatory disease. We investigated the association between rheumatoid arthritis (RA) and His161Arg (7488A/G; rs763780) and Glu126Gly (7383A/G; rs2397084) polymorphism of IL-17F gene. The gene polymorphisms in 220 Polish patients with RA and 106 healthy subjects were amplified by polymerase chain reaction with restriction endonuclease mapping. Overall, the polymorphisms of the IL-17F gene were not correlated with susceptibility to RA in Polish population. However, the IL-17F His161Arg variant was associated with parameters of disease activity, such as number of tender joints, HAQ score or DAS-28-CRP. Moreover, our findings have shown that Glu126Gly IL-17F gene polymorphism may be correlated with longer disease duration in patients with RA. Our results for the first time showed the relationship between IL-17F gene polymorphisms and severity of RA.
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The polymorphism of IL-17 G-152A was associated with childhood asthma and bacterial colonization of the hypopharynx in bronchiolitis. J Clin Immunol 2010; 30:539-45. [PMID: 20437253 DOI: 10.1007/s10875-010-9391-8] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2010] [Accepted: 03/16/2010] [Indexed: 01/01/2023]
Abstract
OBJECTIVE Interleukin (IL)-17 plays an important role in the pathogenesis of asthma. We investigated the association between single-nucleotide polymorphism (SNP) of IL-17 (rs2275913, IL-17 G-152A) and asthma-related traits. Its effect on IL-17 production was also attractive. METHODS One hundred and sixty eight childhood asthmatic patients, 144 bronchiolitis patients, and 205 healthy controls were recruited in this study. SNP rs2275913 was genotyped by polymerase chain reaction-restriction fragment length polymorphism. Peripheral blood mononuclear cells (PBMCs) from parts of healthy controls with different genotype were isolated and cultured with phytohaemagglutinin (PHA) for detection of IL-17 in the supernatants. RESULTS SNP rs2275913 was associated with asthma (P = 0.03) in genotype frequency test. Children with homozygous A were 2.29 times more likely to have asthma than others (95% confidence interval 1.39-3.78, P = 0.001). The strength of associations was moderately higher by allergy comorbidity. Furthermore, SNP rs2275913 A allele was associated with abnormal lung function and serum total IgE in asthmatics, although the production of IL-17 by PHA-induced PBMC seemed to be not different among individuals with different genotypes. The distribution of SNP rs2275913 in bronchiolitis was marginally statistically different with controls and demonstrated a tendency close to that in asthma. Higher Streptococcus pneumoniae and Moraxella catarrhalis detection rates were shown in bronchiolitis patients with homozygous A allele than those with other genotypes (20.8% vs. 3.7%, P < 0.01 and 20.8% vs. 6.2%, P = 0.03). CONCLUSION The preliminary results demonstrate that IL-17 SNP rs2275913 was associated with several asthma-related traits and confers genetic susceptibility to childhood asthma. It may be used to develop markers to assess the risk of asthma, especially in the bronchiolitis population. It may be a potential bridge to connect the bacterial colonization and the onset of asthma.
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Assmann G, Koenig J, Pfreundschuh M, Epplen JT, Kekow J, Roemer K, Wieczorek S. Genetic variations in genes encoding RANK, RANKL, and OPG in rheumatoid arthritis: a case-control study. J Rheumatol 2010; 37:900-4. [PMID: 20231205 DOI: 10.3899/jrheum.091110] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized by chronic inflammation of the joints, which may lead to structural damage of the cartilage and bone. The receptor activator of nuclear factor-kappaB (RANK) and the osteoprotegerin (OPG) cascade system have been reported to be essential in osteoclastogenesis. Genetic variations in the genes coding for RANK, RANK ligand (RANKL), and OPG are thought to play roles in the susceptibility to RA. METHODS In our case-control study, genomic DNA was obtained from 534 patients with RA who fulfilled the American College of Rheumatology 1987 criteria and 516 healthy control blood donors (HC). We studied 7 single-nucleotide polymorphisms (SNP) in the genes of RANK (2 SNP: rs1805034, rs35211496), OPG (2 SNP: rs3102735, rs2073618), and RANKL (3 SNP: rs9533156, rs2277438, rs1054016) using TaqMan assay-guided polymerase chain reaction. Genotype and allelic frequencies comparing RA patients with HC were analyzed by chi-square test for 2 x 3 and 2 x 2 tables, respectively. RESULTS Genotype distributions of the SNP rs35211496 in the RANK gene as well as the SNP rs2277438 in the RANKL gene differed significantly between patients with RA and HC. The frequency of the minor allele of rs9533156 of RANKL was significantly higher in patients with RA than in HC (OR 0.84, 95% CI 0.71-0.99, p = 0.047). Multivariate analysis adjusted to sex and investigating SNP demonstrated a significantly elevated risk for RA associated with the major allele in the RANK SNP rs35211496 (p = 0.0231) and with the minor allele in the RANKL SNP rs2277438 (p = 0.0092). No significantly increased risk was detected in the other SNP. CONCLUSION The minor allele of the RANK SNP rs35211496 may be protective against RA, while the minor alleles of the RANKL SNP rs2277438 may increase susceptibility to RA.
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Affiliation(s)
- Gunter Assmann
- Internal Medicine I and José Carreras Research Centre, University of Saarland Medical School, Homburg/Saar, Germany.
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Watson NF, Ton TGN, Koepsell TD, Gersuk VH, Longstreth WT. Does narcolepsy symptom severity vary according to HLA-DQB1*0602 allele status? Sleep 2010; 33:29-35. [PMID: 20120618 DOI: 10.1093/sleep/33.1.29] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
STUDY OBJECTIVES To investigate associations between HLA-DQB1*0602 allele status and measures of narcolepsy symptom severity. DESIGN Cross-sectional study of population-based narcolepsy patients. SETTING King County, Washington. PARTICIPANTS All prevalent cases (n = 279) of physician-diagnosed narcolepsy ascertained from 2001-2005. INTERVENTIONS N/A. MEASUREMENTS Narcolepsy diagnosis was based on cataplexy status, diagnostic sleep study results, and chart review. The number of HLA-DQB1 alleles was determined from buccal genomic DNA. Symptom severity instruments included the Epworth Sleepiness Scale (ESS), the Ullanlinna Narcolepsy Scale (UNS), age of symptom onset, subjective sleep latency and duration, and various clinical sleep parameters. We used linear regression adjusted for African American race and an extended chi-square test of trend to assess relationships across ordered groups defined by allele number (0, 1, or 2). RESULTS Narcolepsy patients were 63% female and 82% Caucasian, with a mean age of 47.6 years (SD = 17.1). One hundred forty-one (51%) patients had no DQB1*0602 alleles; 117 (42%) had one; and 21 (7%) had two. In the complete narcolepsy sample after adjustment for African American race, we observed a linear relationship between HLA-DQB1*0602 frequency and sleepiness as defined by the ESS (P < 0.01), narcolepsy severity as defined by UNS (P < 0.001), age of symptom onset (P < 0.05), and sleep latency (P < 0.001). In univariate analyses, HLA-DQB1*0602 frequency was also associated with napping (P < 0.05) and increased car and work accidents or near accidents (both P < 0.01). Habitual sleep duration was not associated with HLA status. These race-adjusted associations remained for the ESS (P < 0.05), UNS (P < 0.01), and sleep latency (P < 0.001) when restricting to narcolepsy with cataplexy. CONCLUSIONS Narcolepsy symptom severity varies in a linear manner according to HLA-DQB1*0602 allele status. These findings support the notion that HLA-DQ is a disease-modifying gene.
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Moran EM, Mullan R, McCormick J, Connolly M, Sullivan O, FitzGerald O, Bresnihan B, Veale DJ, Fearon U. Human rheumatoid arthritis tissue production of IL-17A drives matrix and cartilage degradation: synergy with tumour necrosis factor-alpha, Oncostatin M and response to biologic therapies. Arthritis Res Ther 2009; 11:R113. [PMID: 19627579 PMCID: PMC2745795 DOI: 10.1186/ar2772] [Citation(s) in RCA: 131] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2009] [Revised: 07/20/2009] [Accepted: 07/23/2009] [Indexed: 12/13/2022] Open
Abstract
INTRODUCTION The aim of this study was to examine IL-17A in patients, following anti-TNF-alpha therapy and the effect of IL-17A on matrix turnover and cartilage degradation. METHODS IL-17A expression was examined by ELISA and immunohistology in the rheumatoid arthritis (RA) joints. RA whole synovial tissue explant (RA ST), primary synovial fibroblasts (RASFC), human cartilage and chondrocyte cultures were stimulated with IL-17A +/- TNF-alpha and Oncostatin M (OSM). Matrix metalloproteinase (MMP) and tissue inhibitor (TIMP-1) were assessed by ELISA and zymography. Cartilage proteoglycan release was assessed histologically by Safranin-O staining. Clinical parameters, IL-17A, MMP/TIMP were assessed in patients pre/post biologic therapy. RESULTS IL-17A levels were higher in RA vs osteoarthritis (OA)/normal joints (P < 0.05). IL-17A up-regulated MMP-1, -2, -9, and -13 in RA ST, RASFC, cartilage and chondrocyte cultures (P < 0.05). In combination with TNF-alpha and OSM, IL-17A shifted the MMP:TIMP-1 ratio in favor of matrix degradation (all P < 0.05). Cartilage proteoglycan depletion in response to IL-17A was mild; however, in combination with TNF-alpha or OSM showed almost complete proteoglycan depletion. Serum IL-17A was detected in 28% of patients commencing biologic therapy. IL-17A negative patients demonstrated reductions post therapy in serum MMP1/TIMP4, MMP3/TIMP1 and MMP3/TIMP4 ratios and an increase in CS846 (all P < 0.05). No significant changes were observed in IL-17A positive patients. CONCLUSIONS IL-17A is produced locally in the inflamed RA joint. IL-17A promotes matrix turnover and cartilage destruction, especially in the presence of other cytokines, mimicking the joint environment. IL-17A levels are modulated in vivo, following anti-TNF therapy, and may reflect changes in matrix turnover.
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Affiliation(s)
- Ellen M Moran
- Department of Rheumatology, St. Vincent's University Hospital, Dublin Academic Healthcare and The Conway Institute of Biomolecular and Biomedical Research, Elm Park, Dublin 4, Ireland
| | - Ronan Mullan
- Department of Rheumatology, St. Vincent's University Hospital, Dublin Academic Healthcare and The Conway Institute of Biomolecular and Biomedical Research, Elm Park, Dublin 4, Ireland
| | - Jennifer McCormick
- Department of Rheumatology, St. Vincent's University Hospital, Dublin Academic Healthcare and The Conway Institute of Biomolecular and Biomedical Research, Elm Park, Dublin 4, Ireland
| | - Mary Connolly
- Department of Rheumatology, St. Vincent's University Hospital, Dublin Academic Healthcare and The Conway Institute of Biomolecular and Biomedical Research, Elm Park, Dublin 4, Ireland
| | - Owen Sullivan
- Department of Rheumatology, St. Vincent's University Hospital, Dublin Academic Healthcare and The Conway Institute of Biomolecular and Biomedical Research, Elm Park, Dublin 4, Ireland
| | - Oliver FitzGerald
- Department of Rheumatology, St. Vincent's University Hospital, Dublin Academic Healthcare and The Conway Institute of Biomolecular and Biomedical Research, Elm Park, Dublin 4, Ireland
| | - Barry Bresnihan
- Department of Rheumatology, St. Vincent's University Hospital, Dublin Academic Healthcare and The Conway Institute of Biomolecular and Biomedical Research, Elm Park, Dublin 4, Ireland
| | - Douglas J Veale
- Department of Rheumatology, St. Vincent's University Hospital, Dublin Academic Healthcare and The Conway Institute of Biomolecular and Biomedical Research, Elm Park, Dublin 4, Ireland
| | - Ursula Fearon
- Department of Rheumatology, St. Vincent's University Hospital, Dublin Academic Healthcare and The Conway Institute of Biomolecular and Biomedical Research, Elm Park, Dublin 4, Ireland
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Wang JY, Shyur SD, Wang WH, Liou YH, Lin CGJ, Wu YJ, Wu LSH. The polymorphisms of interleukin 17A (IL17A) gene and its association with pediatric asthma in Taiwanese population. Allergy 2009; 64:1056-60. [PMID: 19210369 DOI: 10.1111/j.1398-9995.2009.01950.x] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND The interleukin 17A (IL17A) gene, located on chromosome 6p and linked to asthma phenotype, is a highly potential candidate gene conferring asthma susceptibility. The purpose of this study was to investigate the genetic association between single nucleotide polymorphisms (SNPs) of IL17A and asthma in Taiwanese children. METHODS We selected and performed genotyping on nine SNPs that encompass the genomic region of IL17A in Taiwanese children with or without asthma. A total of 1939 subjects containing 1027 subjects in testing group and 931 subjects in validation group were recruited in this study. RESULTS After Bonferroni correction, SNP rs8193036 was found to have a weak association (P = 0.0074 x 9 = 0.066) in genotype frequency test. This association was confirmed by validation group. Logistic regression adjusted allergy comorbidity and gender showed a slightly weaker association. CONCLUSIONS The results indicated an independent role of IL17A promoter polymorphism rs8193036 in the association with pediatric asthma in Taiwanese population.
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Affiliation(s)
- J Y Wang
- Department of Pediatrics, College of Medicine, National Cheng-Kung University, Tainan
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Goëb V, Jouen F, Gilbert D, Le Loët X, Tron F, Vittecoq O. Diagnostic and prognostic usefulness of antibodies to citrullinated peptides. Joint Bone Spine 2009; 76:343-9. [DOI: 10.1016/j.jbspin.2008.12.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/10/2008] [Indexed: 11/16/2022]
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Nordang GBN, Viken MK, Hollis-Moffatt JE, Merriman TR, Førre ØT, Helgetveit K, Kvien TK, Lie BA. Association analysis of the interleukin 17A gene in Caucasian rheumatoid arthritis patients from Norway and New Zealand. Rheumatology (Oxford) 2009; 48:367-70. [PMID: 19208686 DOI: 10.1093/rheumatology/ken512] [Citation(s) in RCA: 113] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVE Elevated levels of IL-17A have been detected in the inflamed synovium of RA patients, and murine arthritis models deficient in IL17A have shown reduced inflammation. Our aim was to investigate IL17A as a candidate gene for RA, and to assess correlations between risk variants and disease phenotypes. METHODS Five single nucleotide polymorphisms (SNPs) were selected to tag the genetic variability of the IL17A region and were genotyped by TaqMan technology on 950 RA cases and 933 random controls from Norway. Associations to progression of radiographic damage and presence of autoantibodies were examined in a 10-yr follow-up cohort of early RA. In addition, 580 RA patients and 504 controls from New Zealand were used as a replication data set. RESULTS A weak association between RA and the promoter SNP rs2275913 [odds ratio (OR) = 1.17; 95% CI 1.02, 1.34; P = 0.02] was found in the Norwegian population. The association was also evident at the genotype level where it indicated a recessive model. The allelic association was not replicated in the RA cohort from New Zealand (OR = 0.96; 95% CI 0.81, 1.16; P = 0.69). However, combined analysis suggested a weak recessive association (OR = 1.19; 95% CI 1.02, 1.37; P = 0.02). No significant associations were observed with radiographic progression, anti-cyclic citrullinated peptide or IgM-RF. CONCLUSIONS Modest evidence of an association with IL17A in Norwegian RA patients was observed. Although, our findings were not replicated in an independent RA material from New Zealand, a significant common risk estimate indicated that IL17A warrants further investigation in RA.
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Affiliation(s)
- Gry B N Nordang
- Institute of Immunology, Rikshospitalet University Hospital, Oslo, Norway.
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Ichikawa N, Kotake S, Hakoda M, Higami K, Kawasaki A, Furuya T, Nanke Y, Tsuchiya N, Tokunaga K, Kamatani N. Combining effects of polymorphism of tumor necrosis factor α 5'-flanking region and HLA-DRB1 on radiological progression in patients with rheumatoid arthritis. Mod Rheumatol 2009; 19:134-139. [PMID: 28925311 DOI: 10.3109/s10165-008-0134-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
We examined whether polymorphisms upstream of the TNF-α gene (TNFA) were associated with the radiological progression of rheumatoid arthritis (RA). One hundred and twenty-three patients with early RA (disease duration <1 year) were enrolled in a prospective follow-up study. The laboratory findings (ESR, CRP, and RF) were evaluated every 2 months for 2 years. Radiological progression in hands/wrists and feet was evaluated every 6 months for 2 years using Larsen's score. HLA-DRB1 genotype was determined by PCR-RFLP method. The genotypes for -1031, -863, and -857 single-nucleotide polymorphisms in the upstream 5'-flanking region of TNFA were determined by a PCR-preferential homoduplex formation assay in patients with RA and 265 healthy controls. Four TNFA alleles (U01, U02, U03, and U04) were identified. The frequency of individuals with U02 was significantly higher in patients than in controls (P = 0.0025). Radiographs of hands/wrists/feet were available for 72 patients after 1 year and for 73 patients after 2 years. When the HLA-DRB1 genotype was analyzed simultaneously, patients possessing U02 without an HLA-DRB1 shared epitope (SE) (U02+SE-) showed the lowest progression of Larsen's score (12 months). There was no difference in the level of ESR, CRP, or RF at the first visit among U02+SE+, U02+SE-, U02-SE+, and U02-SE- groups. The combination of the polymorphism of the TNFA upstream promoter region and HLA-DRB1 allele was associated with radiological progression in the early stage of RA.
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Affiliation(s)
- Naomi Ichikawa
- a Institute of Rheumatology, Tokyo Women's Medical University , 10-22 Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
| | - Shigeru Kotake
- a Institute of Rheumatology, Tokyo Women's Medical University , 10-22 Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
| | - Masayuki Hakoda
- b Department of Nutritional Sciences, Faculty of Human Ecology, Yasuda Women's University , 6-13-1 Ando, Asaminami-ku, Hiroshima 731-0153, Japan
| | - Kenshi Higami
- c Higami Hospital , 701 Kuzumoto-cho, Kashihara, Nara 634-0007, Japan
| | - Aya Kawasaki
- e Doctoral Program in Social and Environmental Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba , 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Takefumi Furuya
- a Institute of Rheumatology, Tokyo Women's Medical University , 10-22 Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
| | - Yuki Nanke
- a Institute of Rheumatology, Tokyo Women's Medical University , 10-22 Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
| | - Naoyuki Tsuchiya
- e Doctoral Program in Social and Environmental Medicine, Graduate School of Comprehensive Human Sciences, University of Tsukuba , 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan
| | - Katsushi Tokunaga
- d Department of Human Genetics, Graduate School of Medicine, University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Naoyuki Kamatani
- a Institute of Rheumatology, Tokyo Women's Medical University , 10-22 Kawada-cho, Shinjuku-ku, Tokyo 162-0054, Japan
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Combining effects of polymorphism of tumor necrosis factor alpha 5'-flanking region and HLA-DRB1 on radiological progression in patients with rheumatoid arthritis. Mod Rheumatol 2008; 19:134-9. [PMID: 19002558 DOI: 10.1007/s10165-008-0134-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2008] [Accepted: 09/29/2008] [Indexed: 10/21/2022]
Abstract
We examined whether polymorphisms upstream of the TNF-alpha gene (TNFA) were associated with the radiological progression of rheumatoid arthritis (RA). One hundred and twenty-three patients with early RA (disease duration <1 year) were enrolled in a prospective follow-up study. The laboratory findings (ESR, CRP, and RF) were evaluated every 2 months for 2 years. Radiological progression in hands/wrists and feet was evaluated every 6 months for 2 years using Larsen's score. HLA-DRB1 genotype was determined by PCR-RFLP method. The genotypes for -1031, -863, and -857 single-nucleotide polymorphisms in the upstream 5'-flanking region of TNFA were determined by a PCR-preferential homoduplex formation assay in patients with RA and 265 healthy controls. Four TNFA alleles (U01, U02, U03, and U04) were identified. The frequency of individuals with U02 was significantly higher in patients than in controls (P = 0.0025). Radiographs of hands/wrists/feet were available for 72 patients after 1 year and for 73 patients after 2 years. When the HLA-DRB1 genotype was analyzed simultaneously, patients possessing U02 without an HLA-DRB1 shared epitope (SE) (U02+SE-) showed the lowest progression of Larsen's score (12 months). There was no difference in the level of ESR, CRP, or RF at the first visit among U02+SE+, U02+SE-, U02-SE+, and U02-SE- groups. The combination of the polymorphism of the TNFA upstream promoter region and HLA-DRB1 allele was associated with radiological progression in the early stage of RA.
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Abstract
A significant macrophage and T-cell infiltrate commonly occurs in inflammatory joint conditions such as rheumatoid arthritis that have significant bone destruction. Cytokines produced by activated macrophages and T cells are implicated in arthritis pathogenesis and are involved in osteoclast-mediated bone resorption. The scope of the present review is to analyze current knowledge and to provide a better understanding of how macrophage-derived factors promote the differentiation of a novel T-helper subset (Th17) that promotes osteoclast formation and activation.
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Affiliation(s)
- Iannis E Adamopoulos
- Department of Immunology, Schering Plough Biopharma, 901 California Avenue, Palo Alto, CA 94304, USA.
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