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Cao J, Su Y, Chen Z, Ma C, Xiong W. The risk factors for Graves' ophthalmopathy. Graefes Arch Clin Exp Ophthalmol 2021; 260:1043-1054. [PMID: 34787691 DOI: 10.1007/s00417-021-05456-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 10/01/2021] [Accepted: 10/12/2021] [Indexed: 12/25/2022] Open
Abstract
PURPOSE This review aimed to provide an overview of current research into the risk factors for Graves' ophthalmopathy (GO). METHODS To find information about the risk factors for GO, the research database PubMed was searched and relevant articles were obtained to extract information about risk factors. RESULTS Smoking has been widely accepted as an important risk factor and cigarette smoking cessation has been shown to improve the outcome and decrease the onset of GO. Radioactive iodine on the thyroid may induce hyperthyroidism and increase the occurrence of GO. Selenium deficiency is a risk factor for GO and the supplementation of selenium has been an adjuvant therapy. Decreasing stressful life events (SLE) may help improve GO. Imbalance in intestinal flora is essential to GO, with Yersinia enterocolitica and Escherichia coli both increased in the digestive tract of the individual with GO. In addition, controlling serum cholesterol may help improve GO since adipogenesis is an important pathological change in its pathogenesis. Considering the correlation between Graves' disease and GO, maintaining normal thyroid function hormone level is the first-line therapeutic strategy to prevent progression of GO. An increase in antibodies such as TSHR and IGF-1R is the main predictor of GO. Besides, gender and gene polymorphism are also risk factors towards GO. CONCLUSIONS Risk factors for GO arise from five sources: physical and chemical environment, social-psychological environment, biological environment, the human organism, and genetic codes. Risk factors within these categories may interact with each other and their mechanisms in promoting the development of GO are complex. Research into risk factors for GO may promote emerging fields related to GO such as control of autoantibodies and intestinal microbiota.
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Affiliation(s)
- Jiamin Cao
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Yuelu District, 138 Tongzipo Road, Changsha, 410013, Hunan, People's Republic of China
| | - Yuhe Su
- Zhuzhou Hospital Affiliated to Xiangya School of Medicine, Central South University, Changsha, China
| | - Zhuokun Chen
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Yuelu District, 138 Tongzipo Road, Changsha, 410013, Hunan, People's Republic of China
| | - Chen Ma
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Yuelu District, 138 Tongzipo Road, Changsha, 410013, Hunan, People's Republic of China
| | - Wei Xiong
- Department of Ophthalmology, Third Xiangya Hospital, Central South University, Yuelu District, 138 Tongzipo Road, Changsha, 410013, Hunan, People's Republic of China.
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Association of variant on the promoter of cluster of differentiation 74 in graves disease and graves ophthalmopathy. Biosci Rep 2020; 40:225965. [PMID: 32744317 PMCID: PMC7432997 DOI: 10.1042/bsr20202072] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/29/2020] [Accepted: 07/31/2020] [Indexed: 12/05/2022] Open
Abstract
The macrophage migration inhibitory factor (MIF)/cluster of differentiation 74 (CD74) plays a role in immunological functions. The present study aims to investigate whether single-nucleotide polymorphisms (SNPs) in the MIF and CD74 are risk factors for developing Graves ophthalmopathy (GO) in patients with Graves disease (GD). A case–control study enrolled 484 patients with GD (203 with and 281 without GO) and 1000 healthy individuals. SNPs were discriminated using real-time polymerase chain reaction. Hardy–Weinberg equilibrium, as well as frequencies of allele and genotype between GD patients with and without GO, were estimated using the Chi-square test. The effects of CD74 on adipocyte proliferation and differentiation were evaluated using 3T3-L1 preadipocytes. Quantitative DNA-immunoprecipitation was used to detect the binding capacity of NR3C1 and FOXP3 to A/G oligonucleotides. The results showed that individuals carrying the GG genotype at rs2569103 in the CD74 had a decreased risk of developing GD (P=3.390 × 10−11, odds ratio (OR) = 0.021, 95% confidence interval (CI) = 0.003–0.154); however, patients with GD carrying the AG genotype at rs2569103 in the CD74 had an increased risk of developing GO (P=0.009, OR = 1.707, 95% CI = 1.168–2.495). The knockdown of CD74 reduced adipocyte proliferation and differentiation. NR3C1 had a higher affinity for A, whereas FOXP3 had a higher affinity for G of rs2569103. The results suggested the existence of a link between the genetic variation of CD74 promoter and the risk for developing GD and GO, which should be considered in clinical practice.
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Yan R, Yang J, Jiang P, Jin L, Ma J, Huang R, Ma N, Jiang F. Genetic variations in the SOCS3 gene in patients with Graves' ophthalmopathy. J Clin Pathol 2015; 68:448-52. [PMID: 25770161 DOI: 10.1136/jclinpath-2014-202751] [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: 11/05/2014] [Accepted: 02/16/2015] [Indexed: 01/04/2023]
Abstract
AIMS To explore the role of the suppressor of cytokine signalling 3 (SOCS3) gene in Graves' ophthalmopathy (GO) patients. METHODS A case-control study was conducted in a Chinese Han population by recruiting 114 Graves' disease (GD) patients with GO and 156 GD patients without GO. We determined SOCS3 mRNA and protein levels in Epstein-Barr virus-transformed lymphoblastoid cell lines (EBV-LCLs) from peripheral blood mononuclear cells (PBMCs) by quantitative real-time (QRT)-PCR analysis and western blot analysis. We also genotyped five single nucleotide polymorphisms (SNPs) in the SOCS3 locus (SOCS3 rs12952093, rs4969170, rs4969168, rs4969169 and rs2280148) in all 270 GD patients using ligase detection reaction and multiplex PCR analyses. QRT-PCR and western blot assays were then performed to compare SOCS3 mRNA and protein levels between the rs4969170 AA and GG genotype groups from 20 GO patients. RESULTS Basal SOCS3 mRNA and protein expression levels were significantly increased in patients with GO (p<0.05). The SOCS3 rs4969170 AA genotype was strongly associated with GO (OR=3.5, 95% CI 1.6 to 7.5, p=0.001). The AA genotype carriers had significantly higher SOCS3 mRNA and protein levels than those with the GG genotype (p<0.05). CONCLUSIONS Patients with GD who carry the AA genotype of the rs4969170 SNP in SOCS3 are more susceptible to the development of GO.
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Affiliation(s)
- Ruijia Yan
- Department of Ophthalmology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Junjie Yang
- Department of Ophthalmology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ping Jiang
- Department of Ophthalmology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ling Jin
- Department of Ophthalmology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jing Ma
- Department of Ophthalmology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Rong Huang
- Department of Ophthalmology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Nan Ma
- Department of Ophthalmology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fagang Jiang
- Department of Ophthalmology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Liu YH, Chen YJ, Wu HH, Wang TY, Tsai FJ. Single Nucleotide Polymorphisms at the PRR3, ABCF1, and GNL1 Genes in the HLA Class I Region Are Associated with Graves' Ophthalmopathy in a Gender-Dependent Manner. Ophthalmology 2014; 121:2033-9. [DOI: 10.1016/j.ophtha.2014.04.027] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Revised: 01/06/2014] [Accepted: 04/22/2014] [Indexed: 01/21/2023] Open
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Dual effect of a polymorphism in the macrophage migration inhibitory factor gene is associated with new-onset Graves disease in a Taiwanese Chinese population. PLoS One 2014; 9:e92849. [PMID: 24667663 PMCID: PMC3965479 DOI: 10.1371/journal.pone.0092849] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Accepted: 02/26/2014] [Indexed: 12/02/2022] Open
Abstract
Graves disease (GD) is an autoimmune disease. Macrophage migration inhibitory factor (MIF) is a potent cytokine that plays an important role in the regulation of immune responses. Two polymorphisms in the promoter region of MIF, rs5844572 and rs755622, are known to affect MIF expression. The purpose of this study was to investigate the relationship between polymorphisms in the MIF gene promoter and the severity of GD. A total of 677 individuals, including 481 GD patients and 196 ethnically matched healthy controls, were genotyped to identify differences in the distribution of the MIF polymorphisms rs5844572 and rs755622. Although there were no significant differences in the allele or genotype distributions among patients with different grades of goiter in GD and healthy controls, the distribution of the C allele, especially C/C genotype, of the rs755622 single nucleotide polymorphism (SNP) in MIF, may be as a risk factor for goiter initiation whereas a protector against development of severe goiter in patients with untreated GD (p<0.05). A goiter-developmental model incorporating genetic (MIF SNP rs755622) and environmental risk factors (gender, radioiodine treatment, thyroid gland surgery and vitiligo) significantly increased the prediction accuracy. Further studies are required to address the role of MIF polymorphisms, as well as their association with other candidate genes, in GD.
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Association of IL12B polymorphisms with susceptibility to Graves ophthalmopathy in a Taiwan Chinese population. J Biomed Sci 2012; 19:97. [PMID: 23164360 PMCID: PMC3514134 DOI: 10.1186/1423-0127-19-97] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Accepted: 11/02/2012] [Indexed: 11/25/2022] Open
Abstract
Background Interleukin 12B (IL12B) gene polymorphisms have been linked to several inflammatory diseases, but their role in the development of Graves ophthalmopathy (GO) in Graves disease (GD) patients is unclear. The purpose of this study was to investigate the disease association of IL12B single nucleotide polymorphisms (SNPs). Methods A Taiwan Chinese population comprising 200 GD patients with GO and 271 GD patients without GO was genotyped using an allele-specific extension and ligation method. Hardy-Weinberg equilibrium was estimated using the chi-square test. Allele and genotype frequencies were compared between GD patients with and without GO using the chi-square test. Results The genotype and allele frequencies of examined SNPs did not differ between GD patients with and without GO. Although the genotype distribution remained nonsignificant in the sex-stratified analyses, the frequency of the T allele at SNP rs1003199 was significantly higher in patients with GO in the male cohort (P = 6.00 × 10-3). In addition, haplotypes of IL12B may be used to predict the risk of GO (P = 1.70 × 10-2); however, we could not prove the statistical significance of analysis after applying the Bonferroni correction. Conclusions Our results provide new information that the examined IL12B gene polymorphisms may be associated with susceptibility to GO in the Taiwan Chinese population in a sex-specific manner. This conclusion requires further investigation.
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Khalilzadeh O, Noshad S, Rashidi A, Amirzargar A. Graves' ophthalmopathy: a review of immunogenetics. Curr Genomics 2012; 12:564-75. [PMID: 22654556 PMCID: PMC3271309 DOI: 10.2174/138920211798120844] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2011] [Revised: 08/29/2011] [Accepted: 08/30/2011] [Indexed: 01/04/2023] Open
Abstract
Graves’ disease (GD) is the most common cause of thyrotoxicosis and often involves the orbits. Graves’ ophthalmopathy (GO), also known as Thyroid Eye Disease (TED), can be clinically significant and advance to sight-threatening stages. Our knowledge of the immunogenetic pathophysiology of GO is rapidly expanding. The present review is an attempt to summarize the current state of knowledge on the immunogenetics of GO. First we briefly review the epidemiology and clinical importance of GO, and then we describe in detail the macromolecular pathogenesis and finally immunogenetics of GO. Discrepancies between the results from various reports and the limitations of the available data are discussed. In particular, there is a scarcity of data from non-Asian populations. While several studies have demonstrated significant associations between polymorphisms in certain genes (especially CTLA-4, HLA-DRB-1, and TNF-α), there is a need for studies that investigate the relationship between polymorphisms and both serum and local concentrations of the resulting proteins. A complete understanding of GO susceptibility and pathogenesis has not been yet possible due to a number of important knowledge gaps that need to be filled by future research.
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Affiliation(s)
- Omid Khalilzadeh
- Molecular Immunology and Immunogenetics Research Center, Tehran University of Medical Sciences, Tehran, Iran
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Abstract
The incidence of Graves' orbitopathy (GO) is 16/100,000 in females and 2.9/100,000 in males as studied in Olmsted county. It can be calculated that the approximate prevalence is 0.25%. There is a gender bimodal distribution. Go usually occurs at the time of onset of the hyperthyroidism but may present up to a year before that time or as long as 5 years afterwards. Around 10-15% of patients have never been hyperthyroid and some are hypothyroid at GO presentation. Although the incidence of GO has probably been decreasing during the last 2 decades definite figures for this assertion are not available. Risk factors that may influence the incidence of GO include cigarette smoking and radioiodine treatment of hyperthyroidism. There are also complex genetic factors with multiple susceptibility alleles that contribute to the expression of the disease. The probability is that a reduction of the incidence of GO will be achieved by influencing the environmental factors.
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Affiliation(s)
- John H Lazarus
- Centre for Endocrine and Diabetes Sciences, University Hospital of Wales, Cardiff School of Medicine, Heath Park, Cardiff CF14 4XN, UK.
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Liu YH, Wan L, Chang CT, Liao WL, Chen WC, Tsai Y, Tsai CH, Tsai FJ. Association between copy number variation of complement component C4 and Graves' disease. J Biomed Sci 2011; 18:71. [PMID: 21943165 PMCID: PMC3212822 DOI: 10.1186/1423-0127-18-71] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2011] [Accepted: 09/26/2011] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Gene copy number of complement component C4, which varies among individuals, may determine the intrinsic strength of the classical complement pathway. Presuming a major role of complement as an effecter in peptide-mediated inflammation and phagocytosis, we hypothesized that C4 genetic diversity may partially explain the development of Graves' disease (GD) and the variation in its outcomes. METHODS A case-control study including 624 patients with GD and 160 healthy individuals were enrolled. CNV of C4 isotypes (C4A and C4B) genes were performed by quantitative real-time polymerase chain reaction analysis. Statistical comparison and identification of CNV of total C4, C4 isotypes (C4A and C4B) and C4 polymorphisms were estimated according to the occurrence of GD and its associated clinical features. RESULTS Individuals with 4, 2, and 2 copies of C4, C4A and C4B genes, especially those with A2B2 polymorphism may associate with the development of GD (p = 0.001, OR = 10.994, 95% CI: 6.277-19.255; p = 0.008, OR = 1.732, 95% CI: 1.190-2.520; p = 2.420 × 10-5, OR = 2.621, 95% CI: 1.791-3.835; and p = 1.395 × 10-4, OR = 2.671, 95% CI: 1.761-4.052, respectively). Although the distribution of copy number for total C4, C4 isotypes as well as C4 polymorphisms did not associate with the occurrence of goiter, nodular hyperplasia, GO and myxedema, <2 copies of C4A may associate with high risk toward vitiligo in patients with GD (p = 0.001, OR = 5.579, 95% CI: 1.659-18.763). CONCLUSIONS These results may be further estimated for its clinical application on GD and the vitiligo in patients with GD.
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Affiliation(s)
- Yu-Huei Liu
- Department of Medical Genetics and Medical Research, China Medical University Hospital, Taichung, Taiwan.
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Liao WL, Chen RH, Lin HJ, Liu YH, Chen WC, Tsai Y, Wan L, Tsai FJ. Toll-like receptor gene polymorphisms are associated with susceptibility to Graves' ophthalmopathy in Taiwan males. BMC MEDICAL GENETICS 2010; 11:154. [PMID: 21050493 PMCID: PMC2992489 DOI: 10.1186/1471-2350-11-154] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/23/2010] [Accepted: 11/05/2010] [Indexed: 01/18/2023]
Abstract
BACKGROUND Toll-like receptors (TLRs) are a family of pattern-recognition receptors, which plays a role in eliciting innate/adaptive immune responses and developing chronic inflammation. The polymorphisms of TLRs have been associated with the risk of various autoimmune diseases, including systemic lupus erythematosus (SLE), multiple sclerosis and rheumatorid arthritis. The aim of this study was to evaluate whether TLR genes could be used as genetic markers for the development of Graves' ophthalmopathy (GO). METHODS 6 TLR-4 and 2 TLR-9 gene polymorphisms in 471 GD patients (200 patients with GO and 271 patients without GO) from a Taiwan Chinese population were evaluated. RESULTS No statistically significant difference was observed in the genotypic and allelic frequencies of TLR-4 and TLR-9 gene polymorphisms between the GD patients with and without GO. However, sex-stratified analyses showed that the association between TLR-9 gene polymorphism and GO phenotype was more pronounced in the male patients. The odds ratios (ORs) was 2.11 (95% confidence interval [CI] = 1.14-3.91) for rs187084 AàG polymorphism and 1.97 (95% CI = 1.07-3.62) for rs352140 AàG polymorphism among the male patients. Increasing one G allele of rs287084 and one A allele of rs352140 increased the risk of GO (p values for trend tests were 0.0195 and 0.0345, respectively). Further, in haplotype analyses, the male patients carrying the GA haplotype had a higher risk of GO (odds ratio [OR] = 2.02, 95% confidence interval [CI] = 1.09-3.73) than those not carrying the GA haplotype. CONCLUSION The present data suggest that TLR-9 gene polymorphisms were significantly associated with increased susceptibility of ophthalmopathy in male GD patients.
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Affiliation(s)
- Wen-Ling Liao
- Genetic Center, China Medical University Hospital, Taichung, Taiwan
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