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Li J, Teng W, Yu Y, Hou X, Shan Z. Linkage Analysis of the Chromosome 5q31-33 Region Identifies JAKMIP2 as a Risk Factor for Graves' Disease in the Chinese Han Population. Med Sci Monit 2019; 25:1439-1451. [PMID: 30796769 PMCID: PMC6397618 DOI: 10.12659/msm.911489] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Background This study aimed to investigate susceptibility to Graves’s disease and the association with the 5q32–33.1 region on chromosome 5 in a Chinese Han population. Material/Methods Eighty Chinese Han multiplex families included first-degree and second-degree relatives with Graves’ disease. Eight microsatellite markers on chromosome 5 at the 5q32–33.1 region underwent linkage analysis and the association between the regions D5S1480–D5S2014 were studied. Results The maximal heterogeneity logarithm of the odds (HLOD) score of D5S2090 was 4.29 (α=0.42) and of D5S2014 was 4.01 (α=0.34). A nonparametric linkage (NPL) score of 3.14 (P<0.001) was found for D5S2014. The D5S1480–D5S2014 region on chromosome 5 was associated with Graves’ disease, with eight haplotype domains. There were significant differences in the sixth and eighth haplotype domains between patients with Graves’ disease compared with normal individuals. Tagging single nucleotide polymorphisms (SNPs) of the sixth and eighth haplotype domains showed that individuals with SNP62 (rs12653715 G/C) who were GG homozygous had a significantly increased risk of Graves’ disease compared GC heterozygous or CC homozygous individuals. The transmission disequilibrium test (TDT) indicated that SNP62 (rs12653715) and SNP63 (rs12653081) loci in the Janus kinase and microtubule interacting protein 2 (JAKMIP2) gene showed dominant transmission from heterozygous parents to the affected offspring, and SNPs in the secretoglobin family 3A member 2 (SCGB3A2) gene showed no transmission disequilibrium. The haplotype JAKMIP2-1 was identified as being particularly significant. Conclusions JAKMIP2 gene polymorphism require further study as potential risk factors for Graves’ disease in the Chinese Han population.
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Affiliation(s)
- Jia Li
- Department of Endocrinology and Metabolism, Instituite of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China (mainland).,Department of Endocrinology and Metabolism, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China (mainland)
| | - Weiping Teng
- Department of Endocrinology and Metabolism, Instituite of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China (mainland)
| | - Yang Yu
- Department of Endocrinology and Metabolism, Instituite of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China (mainland).,Department of Endocrinology and Metabolism, Affiliated Zhongshan Hospital of Dalian University, Dalian, Liaoning, China (mainland)
| | - Xin Hou
- Department of Endocrinology and Metabolism, Instituite of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China (mainland).,Department of Geriatric Endocrinology and Metabolism, The First Hospital of China Medical University, Shenyang, Liaoning, China (mainland)
| | - Zhongyan Shan
- Department of Endocrinology and Metabolism, Instituite of Endocrinology, Liaoning Provincial Key Laboratory of Endocrine Diseases, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning, China (mainland)
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Tu Y, Fan G, Zeng T, Cai X, Kong W. Association between polymorphism within interleukin related genes and Graves' disease: a meta-analysis of 22 case-control studies. Oncotarget 2017; 8:98993-99002. [PMID: 29228744 PMCID: PMC5716784 DOI: 10.18632/oncotarget.20114] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 07/25/2017] [Indexed: 01/27/2023] Open
Abstract
Graves' disease (GD) is a common autoimmune disorder with a genetic predisposition. There is strong evidence to suggest that both Th1 and Th2 circulating cytokines are involved in the development of GD. In this study, we conducted a meta-analysis to assess the impact of seven variations of five IL-related genes on the susceptibility to GD. A total of 22 case-control studies involving 5338 GD patients and 6446 healthy controls were included. The results showed that only one SNP rs1800795 in IL-6 was significantly associated with GD in homozygous model (CC vs. GG: OR = 2.714, 95% CI = 1.047-7.039, p = 0.04), heterozygous model (CG vs. GG: OR = 1.295, 95% CI = 1.013-1.655, p = 0.039), dominant model (CC+CG vs. GG: OR = 1.418, 95% CI = 1.122-1.793, p = 0.003) and additive model (C vs. G: OR = 1.432, 95% CI = 1.087-1.886, p = 0.011).To explain the heterogeneity, we performed the subgroup analysis by ethnicity. The ethnicity stratification revealed that the association between rs1800795 and GD tended to be much stronger for Asian than European population in homozygous, dominant, recessive, and additive models. The remaining 6 SNPs in 4 genes did not show any significant association with GD in any genetic models. Together, our data support that rs1800795 within the IL-6 gene confers genetic susceptibility for GD. Future large-scale studies are required to validate the associations between IL-6 and others IL-related genes and GD.
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Affiliation(s)
- Yaqin Tu
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Guorun Fan
- Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Tianshu Zeng
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiong Cai
- Department of Hepatobiliary Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Wen Kong
- Department of Endocrinology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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Fujii A, Inoue N, Watanabe M, Kawakami C, Hidaka Y, Hayashizaki Y, Iwatani Y. TSHR Gene Polymorphisms in the Enhancer Regions Are Most Strongly Associated with the Development of Graves' Disease, Especially Intractable Disease, and of Hashimoto's Disease. Thyroid 2017; 27:111-119. [PMID: 27762730 DOI: 10.1089/thy.2016.0345] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND Graves' disease (GD) and Hashimoto's disease (HD) are autoimmune thyroid disorders distinguished by the presence or absence of antithyrotropin receptor (TSHR) antibodies (TRAb). TSHR gene polymorphisms determine the amount of TSHR expressed, which may in turn influence TRAb production. The FANTOM5 project identified six GD-associated single nucleotide polymorphisms (SNPs) within the enhancer regions of the TSHR and unknown genes. This study examined the association of 11 TSHR and unknown gene polymorphisms, five of which are located in TSHR enhancer regions, with the development and prognosis of GD and HD. METHODS SNPs of the TSHR and unknown genes were genotyped in 180 GD patients, including 62 patients with intractable GD and 48 patients with GD in remission; 151 HD patients, including 65 patients with severe HD and 40 patients with mild HD; and 111 healthy controls. RESULTS The rs4411444 GG genotype and G allele, the rs2300519 AA genotype, and the rs179247 AA genotype and A allele were more frequent in GD patients than they were in controls. These same genotypes and alleles, in addition to the rs2300519 A allele and rs4903961 GG genotype and G allele, were more frequent in patients with intractable GD than they were in controls and patients with GD in remission. Interestingly, the rs2300519 TT genotype and T allele, rs4903961 CC genotype and C allele, and rs179247 GG genotype, all of which are minor genotypes and alleles among the evaluated SNPs, were more frequent in HD patients than they were in controls, but there were no differences in the frequencies of these genotypes and alleles between patients with severe HD and mild HD. Among the evaluated SNPs, the rs4411444 GG genotype and the rs4903961 C allele in the enhancer regions of the TSHR gene were most strongly associated with the development of GD, especially intractable disease, and that of HD, respectively. CONCLUSIONS Among the evaluated TSHR gene SNPs, the rs4411444 GG genotype and the rs4903961 C allele in the enhancer regions of the TSHR gene were most strongly associated with the development of GD, especially intractable disease, and that of HD, respectively.
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Affiliation(s)
- Asami Fujii
- 1 Department of Biomedical Informatics, Division of Health Sciences, Osaka University Graduate School of Medicine , Osaka, Japan
| | - Naoya Inoue
- 1 Department of Biomedical Informatics, Division of Health Sciences, Osaka University Graduate School of Medicine , Osaka, Japan
- 2 Laboratory for Clinical Investigation, Osaka University Hospital , Osaka, Japan
| | - Mikio Watanabe
- 1 Department of Biomedical Informatics, Division of Health Sciences, Osaka University Graduate School of Medicine , Osaka, Japan
| | - Chisa Kawakami
- 1 Department of Biomedical Informatics, Division of Health Sciences, Osaka University Graduate School of Medicine , Osaka, Japan
| | - Yoh Hidaka
- 2 Laboratory for Clinical Investigation, Osaka University Hospital , Osaka, Japan
| | - Yoshihide Hayashizaki
- 3 RIKEN Preventive Medicine and Diagnosis Innovation Program, RIKEN Yokohama Institute , Yokohama City, Japan
| | - Yoshinori Iwatani
- 1 Department of Biomedical Informatics, Division of Health Sciences, Osaka University Graduate School of Medicine , Osaka, Japan
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Inaba H, De Groot LJ, Akamizu T. Thyrotropin Receptor Epitope and Human Leukocyte Antigen in Graves' Disease. Front Endocrinol (Lausanne) 2016; 7:120. [PMID: 27602020 PMCID: PMC4994058 DOI: 10.3389/fendo.2016.00120] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Accepted: 08/12/2016] [Indexed: 11/13/2022] Open
Abstract
Graves' disease (GD) is an organ-specific autoimmune disease, and thyrotropin (TSH) receptor (TSHR) is a major autoantigen in this condition. Since the extracellular domain of human TSHR (TSHR-ECD) is shed into the circulation, TSHR-ECD is a preferentially immunogenic portion of TSHR. Both genetic factors and environmental factors contribute to development of GD. Inheritance of human leukocyte antigen (HLA) genes, especially HLA-DR3, is associated with GD. TSHR-ECD protein is endocytosed into antigen-presenting cells (APCs), and processed to TSHR-ECD peptides. These peptide epitopes bind to HLA-class II molecules, and subsequently the complex of HLA-class II and TSHR-ECD epitope is presented to CD4+ T cells. The activated CD4+ T cells secrete cytokines/chemokines that stimulate B-cells to produce TSAb, and in turn hyperthyroidism occurs. Numerous studies have been done to identify T- and B-cell epitopes in TSHR-ECD, including (1) in silico, (2) in vitro, (3) in vivo, and (4) clinical experiments. Murine models of GD and HLA-transgenic mice have played a pivotal role in elucidating the immunological mechanisms. To date, linear or conformational epitopes of TSHR-ECD, as well as the molecular structure of the epitope-binding groove in HLA-DR, were reported to be related to the pathogenesis in GD. Dysfunction of central tolerance in the thymus, or in peripheral tolerance, such as regulatory T cells, could allow development of GD. Novel treatments using TSHR antagonists or mutated TSHR peptides have been reported to be effective. We review and update the role of immunogenic TSHR epitopes and HLA in GD, and offer perspectives on TSHR epitope specific treatments.
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Affiliation(s)
- Hidefumi Inaba
- The First Department of Medicine, Wakayama Medical University, Wakayama, Japan
- *Correspondence: Hidefumi Inaba,
| | - Leslie J. De Groot
- Department of Cellular and Molecular Biology, University of Rhode Island, Providence, RI, USA
| | - Takashi Akamizu
- The First Department of Medicine, Wakayama Medical University, Wakayama, Japan
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Chistiakov DA, Voronova NV, Turakulov RI, Savost'anov KV. The -112G>A polymorphism of the secretoglobin 3A2 (SCGB3A2) gene encoding uteroglobin-related protein 1 (UGRP1) increases risk for the development of Graves' disease in subsets of patients with elevated levels of immunoglobulin E. J Appl Genet 2010; 52:201-7. [PMID: 21170691 DOI: 10.1007/s13353-010-0022-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2010] [Revised: 11/23/2010] [Accepted: 11/25/2010] [Indexed: 01/03/2023]
Abstract
The human secretoglobin 3A2 (SCGB3A2) gene encoding secretory uteroglobin-related protein 1 (UGRP1) resides on the chromosome region 5q31-33 that harbors a susceptibility locus to several autoimmune and inflammatory diseases, including asthma and Graves' disease (GD). Recently, association between the marker rs1368408 (-112G >A), located in the promoter region of the SCGB3A2 gene, and susceptibility to GD was found in Chinese and UK Caucasians. The study aim was to evaluate whether this polymorphism confers GD susceptibility in a large population cohort comprising 1,474 Russian GD patients and 1,619 controls. The marker rs1368408 was studied using a TaqMan allele discrimination assay. Serum levels of UGRP1 and immunoglobulin E (IgE) were assessed using enzyme-linked immunosorbent assay (ELISA) analyses. Association between the allele A of SCGB3A2 and a higher risk of GD (odds ratio [OR] = 1.33, P = 2.9 × 10(-5)) was shown. Both affected and non-affected carriers of the higher risk genotype A/A had significantly decreased levels of serum UGRP1 compared to the subjects homozygous for G/G (93 ± 37 pg/ml vs. 132 ± 45 pg/ml, P = 0.0011 for GD patients; 77 ± 28 pg/ml vs. 119 ± 33 pg/ml, P = 0.0019 for controls). Serum IgE levels were significantly higher in non-affected subjects homozygous for A/A compared to control individuals homozygous for G/G (153 ± 46 IU/ml vs. 122 ± 40 IU/ml, P = 0.0095). Our data suggest that the carriage of the SCGB3A2 -112A/A variant increases the risk for GD in subsets of patients with elevated levels of IgE, a hallmark of allergic asthma. Therefore, the SCGB3A2 -112G >A polymorphism may be considered as a likely marker linking susceptibility to allergy/asthma and GD on chromosome 5q31-33.
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Affiliation(s)
- Dimitry A Chistiakov
- Department of Molecular Diagnostics, National Research Center GosNIIgenetika, 1st Dorozhny Proezd 1, 117545, Moscow, Russia.
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Simmonds MJ, Yesmin K, Newby PR, Brand OJ, Franklyn JA, Gough SCL. Confirmation of association of chromosome 5q31-33 with United Kingdom Caucasian Graves' disease. Thyroid 2010; 20:413-7. [PMID: 20210668 DOI: 10.1089/thy.2009.0375] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Previous genome-wide microsatellite screening in Graves' disease (GD) has suggested several regions of linkage to disease. Although replication has been inconsistent, some regions such as chromosome 5q31-33 have been associated with several Oriental GD patient cohorts. Recently, two studies have reported association of single-nucleotide polymorphism (SNP) rs31480 in interleukin 3 (IL-3) and the rs1368408 and SNP75 (-623 approximately -622 AG/-T) SNPs in secretoglobulin family 3a member 2 (SCGB3A2) with GD and suggested that this may account for linkage to the 5q31-33 region in Oriental GD datasets. We sought to confirm this association in a large Caucasian U.K. GD cohort. METHODS The rs31480 SNP was shown to tag all known common variations in IL-3 and the rs1368408 SNP was shown to tag all common variations in SCGB3A2. The SCGB3A2 SNP75 was found to be rare in the U.K. Caucasian population and, therefore, was not screened. We genotyped rs31480 and rs1368408 and performed a case-control association study in 2504 GD cases and 2688 controls from the U.K. RESULTS Association between the SCGB3A2 rs1368408 SNP and GD was detected (p = 0.007, odds ratio = 1.18, 95% confidence intervals = 1.05-1.33). No association between the IL-3 rs31804 SNP and U.K. Caucasian GD patients was observed. CONCLUSIONS These data suggest that chromosome 5q31-q33 contains a susceptibility locus for Caucasian GD patients as well as Oriental GD patients. Although association was detected between SCGB3A2 and U.K. Caucasian GD subjects, the size of effect was smaller than that seen in the Oriental population (odds ratio = 1.28-1.73). Fine mapping within this region will be required to determine the exact location of the etiological variants present within this region for both Caucasian and Oriental GD patients.
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Affiliation(s)
- Matthew J Simmonds
- Institute of Biomedical Research, University of Birmingham , Edgbaston, Birmingham, UK
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Chu X, Dong Y, Shen M, Sun L, Dong C, Wang Y, Wang B, Zhang K, Hua Q, Xu S, Huang W. Polymorphisms in the ADRB2 gene and Graves disease: a case-control study and a meta-analysis of available evidence. BMC MEDICAL GENETICS 2009; 10:26. [PMID: 19284637 PMCID: PMC2666670 DOI: 10.1186/1471-2350-10-26] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2008] [Accepted: 03/13/2009] [Indexed: 02/04/2023]
Abstract
Background The beta-2-Adrenergic receptor (ADRB2) gene on chromosome 5q33.1 is an important immunoregulatory factor. We and others have previously implicated chromosomal region 5q31-33 for contribution to the genetic susceptibility to Graves disease (GD) in East-Asian populations. Two recent studies showed associations between the single nucleotide polymorphism (SNP) rs1042714 in the ADRB2 gene and GD. In this study, we aimed to fully investigate whether the ADRB2 gene conferred susceptibility to GD in Chinese population, and to perform a meta-analysis of association between ADRB2 and GD. Methods Approximately 1 kb upstream the transcription start site and the entire coding regions of the ADRB2 gene were resequenced in 48 Han Chinese individuals to determine the linkage disequilibrium (LD) patterns. Tag SNPs were selected and genotyped in a case-control collection of 1,118 South Han Chinese subjects, which included 428 GD patients and 690 control subjects. A meta-analysis was performed with the data obtained in the present samples and those available from prior studies. Results Fifteen SNPs in the ADRB2 gene were identified by resequencing and one SNP was novel. Ten tag SNPs were investigated further to assess association of ADRB2 in the case-control collection. Neither individual tag SNP nor haplotypes showed association with GD in Han Chinese population (P > 0.05). Our meta-analysis of the ADRB2 SNP rs1042714 measured heterogeneity between the ethnic groups (I2 = 53.1%) and no association to GD was observed in the overall three studies with a random effects model (OR = 1.13, 95% CI, 0.95 to 1.36; P = 0.18). However, significant association was found from the combined data of Caucasian population with a fixed effects model (OR = 1.18, 95% CI, 1.06 to 1.32; P = 0.002; I2 = 5.9%). Conclusion Our study indicated that the ADRB2 gene did not exert a substantial influence on GD susceptibility in Han Chinese population, but contributed to a detectable GD risk in Caucasian population. This inconsistency resulted largely from between-ethnicity heterogeneity.
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Affiliation(s)
- Xun Chu
- Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China.
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Chu X, Dong C, Lei R, Sun L, Wang Z, Dong Y, Shen M, Wang Y, Wang B, Zhang K, Yang L, Li Y, Yuan W, Wang Y, Song H, Jin L, Xiong M, Huang W. Polymorphisms in the interleukin 3 gene show strong association with susceptibility to Graves' disease in Chinese population. Genes Immun 2009; 10:260-6. [PMID: 19262575 DOI: 10.1038/gene.2009.3] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Graves' disease (GD) is a common organ-specific autoimmune disorder, which is multifactorial and develops in genetically susceptible individuals. We had earlier mapped a susceptibility locus for GD to chromosome 5q31-33 in a linkage study. Here we used tag single-nucleotide polymorphisms (SNPs) to search for genetic variants associated with GD, and examined 19 functional candidate genes in this chromosomal region. We identified 192 polymorphisms by re-sequencing the candidate genes, and selected 51 tagSNPs to genotype in a case-control collection of 1118 south Han Chinese subjects (428 cases and 690 controls). Initial analysis suggested that a non-synonymous SNP rs40401 (P27S) of interleukin 3 (IL3) was associated with GD, and further fine-mapping showed that rs40401, or its perfect proxy SNP rs31480 in the 5' flanking region of IL3, fully accounted for the association signal at this locus. We replicated significant association of rs40401 with GD in an independent sample collection of 839 north Han Chinese subjects. A combined analysis revealed strong validation of this association (odds ratio (OR(common))=1.63, combined P (P(comb))=4 x 10(-6) in the Recessive disease model). This study provides convincing evidence that the IL3 gene is a susceptibility locus for GD in the Chinese population.
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Affiliation(s)
- X Chu
- Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
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Sasaki M, Yuzawa M, Saito T, Ikoma A, Tamemoto H, Kawakami M, Ishikawa SE. New HLA DRB1 and DQB1 haplotypes in a pedigree of familial Graves' disease in Japan. Endocr J 2007; 54:721-5. [PMID: 17785916 DOI: 10.1507/endocrj.k06-215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The present study demonstrated genetic analysis of human leukocyte antigen (HLA) in a familial Graves' disease linked to autoimmune mechanism. The proband was a 17 year-old female. At 15 years, Graves' disease was diagnosed with serum TSH was <0.015 IU/ml; free T(3), 13.6 pg/ml; free T(4), 4.51 ng/dl; and TSH receptor antibody (TRAb), 94.1%. She had two brothers (19 and 13 years-old), who manifested Graves' disease at 18 and 13 years, respectively. They also had elevated TRAb as high as 48.4 and 49.1%, respectively. There was a strong family history of Graves' disease in their maternal pedigree. Namely, their two aunts and a cousin had Graves' disease, and their onset ages of Graves' disease were also during their teen-age years. However, there was no patient with Graves' disease in the paternal pedigree. We checked HLA-DRB and -DQB haplotype in the members of maternal pedigree and proband's father. The members of maternal pedigree including both affected and unaffected Graves' disease had haplotypes of DRB1*150101 and DQB1*0602, except for the cousin who had DRB1*140301 and DQB1*030101. The haplotypes of DRB1*150101 and DQB1*0602 were different from susceptible HLA types in Japanese childhood onset Graves' disease. However, two cases of Graves' disease also had HLA types of DRB1*40501 and DQB1*0401, in addition to the haplotypes of DRB1*150101 and DQB1*0602. There was no other autoimmune disease including type 1 diabetes mellitus in their family. The present findings indicated that familial Graves' disease was found mainly in the maternal females and become overt during their teen-age years. They had new HLA haplotypes distinct from those susceptibly in Japanese Graves' patients. Further study will be necessary to analyze the mutant locus of DNA to elucidate pathogenesis of familial Graves' disease.
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Affiliation(s)
- Masami Sasaki
- Department of Medicine, Jichi Medical University Omiya Medical Center, Saitama, Japan
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Cho HJ, Chung JH, Kim IS, Kim HJ, Cho SH, Ki CS, Kim JW. Lack of a genetic association between the CTLA-4 gene and Graves' disease in Koreans. Thyroid 2006; 16:237-41. [PMID: 16571085 DOI: 10.1089/thy.2006.16.237] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Graves' disease (GD) is a complex autoimmune thyroid disease with a strong genetic component. The cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) gene, which encodes a negative regulator of the T-lymphocyte immune response, has been reported to be associated and/or linked to GD. Therefore, in order to determine the contribution of CTLA-4 in GD in Koreans, we genotyped the five single nucleotide Polymorphisms (SNPs) of the CTLA-4 gene, including +49, CT60, JO31, JO30, and JO27-1 in Korean spatients with GD and healthy controls. Two hundred seventy-eight Korean patients with GD from the Thyroid Clinic and 472 healthy controls from the Health Screening Center of Samsung Medical Center were enrolled in this study. The +49A/G polymorphism of the CTLA-4 gene exon 1 was sequenced directly and the genotyping of the remaining 4 SNPs was accomplished using a Snapshot. In addition, the association of haplotypes with a combination of the above markers was also examined in 278 Korean patients with GD and 472 controls. The results showed that there was no significant positive association between any individual SNP or haplotype comprising of the four 3 untranslated region (UTR) SNPs (CT60, JO31, JO30, and JO27-1) and GD. These data provide little support for CTLA-4 to play a role in the genetic predisposition to GD in Koreans. However, it will be necessary to validate or replicate this association in other independent large-size ethnic groups.
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Affiliation(s)
- Hyun-Jung Cho
- Department of Laboratory Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Chistiakov DA. Immunogenetics of Hashimoto's thyroiditis. JOURNAL OF AUTOIMMUNE DISEASES 2005; 2:1. [PMID: 15762980 PMCID: PMC555850 DOI: 10.1186/1740-2557-2-1] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2004] [Accepted: 03/11/2005] [Indexed: 02/04/2023]
Abstract
Hashimoto's thyroiditis (HT) is an organ-specific T-cell mediated disease. It is a complex disease, with a strong genetic component. To date, significant progress has been made towards the identification and functional characterization of HT susceptibility genes. In this review, we will summarize the recent advances in our understanding of the genetic input to the pathogenesis of HT.
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Affiliation(s)
- Dimitry A Chistiakov
- Laboratory of Aquatic Ecology, Katholieke Universiteit Leuven, Ch, De Beriotstraat 32, B-3000 Leuven, Belgium.
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