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Cao Z, Huang J, Long X. Associations between immune cell traits and autoimmune thyroid diseases: a bidirectional two-sample mendelian randomization study. Immunogenetics 2024; 76:219-231. [PMID: 38940861 DOI: 10.1007/s00251-024-01345-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Accepted: 06/20/2024] [Indexed: 06/29/2024]
Abstract
Autoimmune thyroid diseases (AITDs), mainly including Graves' disease (GD) and Hashimoto's thyroiditis (HT), are common autoimmune disorders characterized by abnormal immune responses targeting the thyroid gland. We conducted a bidirectional two-sample MR analysis using the largest dataset of peripheral immune cell phenotypes from Sardinia, and the AITD dataset from the 10th round of the FinnGen and the UK Biobank project. Instrumental variables (IVs) were rigorously selected based on the three assumptions of MR and analyzed using the Wald ratio, inverse-variance weighted (IVW), MR-Egger, and weighted median methods. Additionally, sensitivity analyses were performed using Cochrane's Q, the Egger intercept, the MR-PRESSO, and the leave-one-out (LOO) method to ensure the robustness of the results. The Steiger test was utilized to identify and exclude potential reverse causation. The results showed that 3, 3, and 11 immune cell phenotypes were significantly associated with the risk of AITD. In GD, the proportion of naive CD4-CD8- (DN) T cells in T cells and the proportion of terminally differentiated CD4+T cells in T cells showed the strongest inducing and protective effects, respectively. In HT, lymphocyte count and CD45 on CD4+T cells showed the strongest inducing and protective effects, respectively. In autoimmune hypothyroidism, CD127 CD8+T cell count and terminally differentiated DN T cell count exhibited the strongest inducing and protective effects, respectively. Through MR analysis, our study provides direct genetic evidence of the impact of immune cell traits on AITD risk and lays the groundwork for potential therapeutic and diagnostic target discovery.
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Affiliation(s)
- ZheXu Cao
- Department of Thyroid Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - JiangSheng Huang
- Department of Thyroid Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xia Long
- Hospital Office, The Second Xiangya Hospital, Central South University, 139 Renmin Middle Road, Changsha City, Hunan Province, China.
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Lanzolla G, Marinò M, Menconi F. Graves disease: latest understanding of pathogenesis and treatment options. Nat Rev Endocrinol 2024:10.1038/s41574-024-01016-5. [PMID: 39039206 DOI: 10.1038/s41574-024-01016-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/20/2024] [Indexed: 07/24/2024]
Abstract
Graves disease is the most common cause of hyperthyroidism in iodine-sufficient areas. The main responsible mechanism is related to autoantibodies that bind and activate the thyrotropin receptor (TSHR). Although Graves hyperthyroidism is relatively common, no causal treatment options are available. Established treatment modalities are antithyroid drugs, which reduce thyroid hormone synthesis, radioactive iodine and surgery. However, emerging drugs that target the main autoantigen (monoclonal antibodies, small molecules, peptides) or block the immune pathway have been recently tested in clinical trials. Graves disease can involve the thyroid exclusively or it can be associated with extrathyroidal manifestations, among which Graves orbitopathy is the most common. The presence of Graves orbitopathy can change the management of the disease. An established treatment for moderate-to-severe Graves orbitopathy is intravenous glucocorticoids. However, recent advances in understanding the pathogenesis of Graves orbitopathy have allowed the development of new target-based therapies by blocking pro-inflammatory cytokine receptors, lymphocytic infiltration or the insulin-like growth factor 1 receptor (IGF1R), with several clinical trials providing promising results. This article reviews the new discoveries in the pathogenesis of Graves hyperthyroidism and Graves orbitopathy that offer several important tools in disease management.
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Affiliation(s)
- Giulia Lanzolla
- Department of Clinical and Experimental Medicine, Endocrinology Unit II, University of Pisa and University Hospital of Pisa, Pisa, Italy
- Department of Orthopaedic Surgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Michele Marinò
- Department of Clinical and Experimental Medicine, Endocrinology Unit II, University of Pisa and University Hospital of Pisa, Pisa, Italy
| | - Francesca Menconi
- U.O. Endocrinologia II, Azienda Ospedaliero Universitaria Pisana, University Hospital of Pisa, Pisa, Italy.
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Lafontaine N, Shore CJ, Campbell PJ, Mullin BH, Brown SJ, Panicker V, Dudbridge F, Brix TH, Hegedüs L, Wilson SG, Bell JT, Walsh JP. Epigenome-wide Association Study Shows Differential DNA Methylation of MDC1, KLF9, and CUTA in Autoimmune Thyroid Disease. J Clin Endocrinol Metab 2024; 109:992-999. [PMID: 37962983 PMCID: PMC10940258 DOI: 10.1210/clinem/dgad659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 11/02/2023] [Accepted: 11/09/2023] [Indexed: 11/16/2023]
Abstract
CONTEXT Autoimmune thyroid disease (AITD) includes Graves disease (GD) and Hashimoto disease (HD), which often run in the same family. AITD etiology is incompletely understood: Genetic factors may account for up to 75% of phenotypic variance, whereas epigenetic effects (including DNA methylation [DNAm]) may contribute to the remaining variance (eg, why some individuals develop GD and others HD). OBJECTIVE This work aimed to identify differentially methylated positions (DMPs) and differentially methylated regions (DMRs) comparing GD to HD. METHODS Whole-blood DNAm was measured across the genome using the Infinium MethylationEPIC array in 32 Australian patients with GD and 30 with HD (discovery cohort) and 32 Danish patients with GD and 32 with HD (replication cohort). Linear mixed models were used to test for differences in quantile-normalized β values of DNAm between GD and HD and data were later meta-analyzed. Comb-p software was used to identify DMRs. RESULTS We identified epigenome-wide significant differences (P < 9E-8) and replicated (P < .05) 2 DMPs between GD and HD (cg06315208 within MDC1 and cg00049440 within KLF9). We identified and replicated a DMR within CUTA (5 CpGs at 6p21.32). We also identified 64 DMPs and 137 DMRs in the meta-analysis. CONCLUSION Our study reveals differences in DNAm between GD and HD, which may help explain why some people develop GD and others HD and provide a link to environmental risk factors. Additional research is needed to advance understanding of the role of DNAm in AITD and investigate its prognostic and therapeutic potential.
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Affiliation(s)
- Nicole Lafontaine
- Department of Endocrinology & Diabetes, Sir Charles Gairdner Hospital, Nedlands, WA, 6009, Australia
- Medical School, University of Western Australia, Crawley, WA, 6009, Australia
| | - Christopher J Shore
- Department of Twin Research & Genetic Epidemiology, King's College London, London, SE1 7EH, UK
| | - Purdey J Campbell
- Department of Endocrinology & Diabetes, Sir Charles Gairdner Hospital, Nedlands, WA, 6009, Australia
| | - Benjamin H Mullin
- Department of Endocrinology & Diabetes, Sir Charles Gairdner Hospital, Nedlands, WA, 6009, Australia
- School of Biomedical Sciences, University of Western Australia, Perth, 6009, Australia
| | - Suzanne J Brown
- Department of Endocrinology & Diabetes, Sir Charles Gairdner Hospital, Nedlands, WA, 6009, Australia
| | - Vijay Panicker
- Department of Endocrinology & Diabetes, Sir Charles Gairdner Hospital, Nedlands, WA, 6009, Australia
- Medical School, University of Western Australia, Crawley, WA, 6009, Australia
| | - Frank Dudbridge
- Population Health Sciences, University of Leicester, Leicester, LE1 7RH, UK
| | - Thomas H Brix
- Department of Endocrinology and Metabolism, Odense University Hospital, Odense, 5000, Denmark
| | - Laszlo Hegedüs
- Department of Endocrinology and Metabolism, Odense University Hospital, Odense, 5000, Denmark
| | - Scott G Wilson
- Department of Endocrinology & Diabetes, Sir Charles Gairdner Hospital, Nedlands, WA, 6009, Australia
- Department of Twin Research & Genetic Epidemiology, King's College London, London, SE1 7EH, UK
- School of Biomedical Sciences, University of Western Australia, Perth, 6009, Australia
| | - Jordana T Bell
- Department of Twin Research & Genetic Epidemiology, King's College London, London, SE1 7EH, UK
| | - John P Walsh
- Department of Endocrinology & Diabetes, Sir Charles Gairdner Hospital, Nedlands, WA, 6009, Australia
- Medical School, University of Western Australia, Crawley, WA, 6009, Australia
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Zhou Z, Liu J, Chen Y, Ren B, Wan S, Chen Y, He Y, Wei Q, Gao H, Liu L, Shen H. Genome-wide DNA methylation pattern in whole blood of patients with Hashimoto thyroiditis. Front Endocrinol (Lausanne) 2023; 14:1259903. [PMID: 38075038 PMCID: PMC10704911 DOI: 10.3389/fendo.2023.1259903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 11/16/2023] [Indexed: 12/18/2023] Open
Abstract
Background Hashimoto thyroiditis (HT), a prevalent autoimmune disorder, is not yet thoroughly understood, especially when it comes to the influence of epigenetics in its pathogenesis. The primary goal of this research was to probe the DNAm profile across the genome in the whole blood derived from patients suffering from HT. Method Using the Illumina 850K BeadChip, we conducted a genome-wide DNAm assessment on 10 matched pairs of HT sufferers and healthy individuals. Genes with differential methylation (DMGs) were identified and underwent functional annotation via the databases of Gene Ontology and Kyoto Encyclopedia of Genes and Genomes. The transcriptional significance of potential epigenetic biomarker genes was corroborated through qRT-PCR. Results The DNAm profiling across the genome indicated an overall reduction in methylation in HT subjects in comparison with their healthy counterparts. We detected 283 DMPs (adjusted P < 0.05 and |Δβ| > 0.1), among which 152 exhibited hypomethylation and 131 demonstrated hypermethylation. Further analysis exposed a noteworthy concentration of hypermethylated DMPs in the 3´UTR, North Shore, and CpG islands, while there was a significant decrease in the Open Sea (all P < 0.001). The 283 DMPs were broadly distributed from chromosome 1 to 22, with chromosome 6 harboring the most DMPs (n = 51) and chromosome 12 carrying the most DMGs (n = 15). The SLFN12 gene, which presented with extreme hypomethylation in its promoter DMPs among HT patients, was identified as the epigenetic marker gene. Consequently, the SLFN12 mRNA expression was markedly upregulated in HT, displaying a negative relationship with its methylation levels. The area under curve (AUC) value for the SLFN12 gene among HT patients was 0.85 (sensitivity: 0.7, specificity: 0.7), a significant difference compared with healthy controls. The methylation levels of all DMPs in SLFN12 gene were negatively correlated with TSH and one CpG site (cg24470734) was positively assocciated with FT4. Conclusion This investigation presents an initial comprehensive DNAm blueprint for individuals with HT, which permits clear differentiation between HT subjects and normal controls through an epigenetic lens. The SLFN12 gene plays a pivotal role in the onset of HT, suggesting that the methylation status of this gene could serve as a potential epigenetic indicator for HT.
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Affiliation(s)
- Zheng Zhou
- Disorders Control, Centre for Endemic Disease Control, Chinese Centre for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Laboratory of Etiology and Epidemiology, National Health Commission & Education Bureau of Heilongjiang Province, Harbin Medical University, Harbin, Heilongjiang, China
- Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin, Heilongjiang, China
| | - Jinjin Liu
- Disorders Control, Centre for Endemic Disease Control, Chinese Centre for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Laboratory of Etiology and Epidemiology, National Health Commission & Education Bureau of Heilongjiang Province, Harbin Medical University, Harbin, Heilongjiang, China
- Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin, Heilongjiang, China
| | - Yun Chen
- Disorders Control, Centre for Endemic Disease Control, Chinese Centre for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Laboratory of Etiology and Epidemiology, National Health Commission & Education Bureau of Heilongjiang Province, Harbin Medical University, Harbin, Heilongjiang, China
- Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin, Heilongjiang, China
| | - Bingxuan Ren
- Disorders Control, Centre for Endemic Disease Control, Chinese Centre for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Laboratory of Etiology and Epidemiology, National Health Commission & Education Bureau of Heilongjiang Province, Harbin Medical University, Harbin, Heilongjiang, China
- Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin, Heilongjiang, China
| | - Siyuan Wan
- Department of Preventive Medicine, Qiqihar Medical University, Qiqihar, Heilongjiang, China
| | - Yao Chen
- Disorders Control, Centre for Endemic Disease Control, Chinese Centre for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Laboratory of Etiology and Epidemiology, National Health Commission & Education Bureau of Heilongjiang Province, Harbin Medical University, Harbin, Heilongjiang, China
- Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin, Heilongjiang, China
| | - Yanhong He
- Disorders Control, Centre for Endemic Disease Control, Chinese Centre for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Laboratory of Etiology and Epidemiology, National Health Commission & Education Bureau of Heilongjiang Province, Harbin Medical University, Harbin, Heilongjiang, China
- Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin, Heilongjiang, China
| | - Qiuyang Wei
- First Clinical Medical Department, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, China
- Second Department of Endocrinology, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
| | - Haiyan Gao
- Disorders Control, Centre for Endemic Disease Control, Chinese Centre for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Laboratory of Etiology and Epidemiology, National Health Commission & Education Bureau of Heilongjiang Province, Harbin Medical University, Harbin, Heilongjiang, China
- Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin, Heilongjiang, China
- Department of Clinical Laboratory, The Sixth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Lixiang Liu
- Disorders Control, Centre for Endemic Disease Control, Chinese Centre for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Laboratory of Etiology and Epidemiology, National Health Commission & Education Bureau of Heilongjiang Province, Harbin Medical University, Harbin, Heilongjiang, China
- Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin, Heilongjiang, China
| | - Hongmei Shen
- Disorders Control, Centre for Endemic Disease Control, Chinese Centre for Disease Control and Prevention, Harbin Medical University, Harbin, Heilongjiang, China
- Key Laboratory of Etiology and Epidemiology, National Health Commission & Education Bureau of Heilongjiang Province, Harbin Medical University, Harbin, Heilongjiang, China
- Heilongjiang Provincial Key Laboratory of Trace Elements and Human Health, Harbin Medical University, Harbin, Heilongjiang, China
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Lafontaine N, Wilson SG, Walsh JP. DNA Methylation in Autoimmune Thyroid Disease. J Clin Endocrinol Metab 2023; 108:604-613. [PMID: 36420742 DOI: 10.1210/clinem/dgac664] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 11/02/2022] [Accepted: 11/14/2022] [Indexed: 11/25/2022]
Abstract
Graves disease and Hashimoto disease form part of the spectrum of autoimmune thyroid disease (AITD), to which genetic and environmental factors are recognized contributors. Epigenetics provides a potential link between environmental influences, gene expression, and thyroid autoimmunity. DNA methylation (DNAm) is the best studied epigenetic process, and global hypomethylation of leukocyte DNA is reported in several autoimmune disorders. This review summarizes the current understanding of DNAm in AITD. Targeted DNAm studies of blood samples from AITD patients have reported differential DNAm in the promoter regions of several genes implicated in AITD, including TNF, IFNG, IL2RA, IL6, ICAM1, and PTPN22. In many cases, however, the findings await replication and are unsupported by functional studies to support causal roles in AITD pathogenesis. Furthermore, thyroid hormones affect DNAm, and in many studies confounding by reverse causation has not been considered. Recent studies have shown that DNAm patterns in candidate genes including ITGA6, PRKAA2, and DAPK1 differ between AITD patients from regions with different iodine status, providing a potential mechanism for associations between iodine and AITD. Research focus in the field is moving from candidate gene studies to an epigenome-wide approach. Genome-wide methylation studies of AITD patients have demonstrated multiple differentially methylated positions, including some in immunoregulatory genes such as NOTCH1, HLA-DRB1, TNF, and ICAM1. Large, epigenome-wide studies are required to elucidate the pathophysiological role of DNAm in AITD, with the potential to provide novel diagnostic and prognostic biomarkers as well as therapeutic targets.
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Affiliation(s)
- Nicole Lafontaine
- Department of Endocrinology & Diabetes, Sir Charles Gairdner Hospital, Nedlands, Western Australia 6009, Australia
- Medical School, University of Western Australia, Crawley, Western Australia 6009, Australia
| | - Scott G Wilson
- Department of Endocrinology & Diabetes, Sir Charles Gairdner Hospital, Nedlands, Western Australia 6009, Australia
- School of Biomedical Sciences, University of Western Australia, Crawley, Western Australia 6009, Australia
| | - John P Walsh
- Department of Endocrinology & Diabetes, Sir Charles Gairdner Hospital, Nedlands, Western Australia 6009, Australia
- Medical School, University of Western Australia, Crawley, Western Australia 6009, Australia
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Liu X, Miao Y, Liu C, Lu W, Feng Q, Zhang Q. Identification of multiple novel susceptibility genes associated with autoimmune thyroid disease. Front Immunol 2023; 14:1161311. [PMID: 37197658 PMCID: PMC10183592 DOI: 10.3389/fimmu.2023.1161311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 04/20/2023] [Indexed: 05/19/2023] Open
Abstract
Background Autoimmune thyroid disease (AITD) is induced by various factors, including inheritability, which regulates gene expression. Multiple loci correlated with AITD have been discovered utilizing genome-wide association studies (GWASs). Nevertheless, demonstrating the biological relevance and function of these genetic loci is difficult. Methods The FUSION software was utilized to define genes that were expressed differentially in AITD using a transcriptome-wide association study (TWAS) method in accordance with GWAS summary statistics from the largest genome-wide association study of 755,406 AITD individuals (30,234 cases and 725,172 controls) and levels of gene expression from two tissue datasets (blood and thyroid). Further analyses were performed such as colocalization, conditional, and fine-mapping analyses to extensively characterize the identified associations, using functional mapping and annotation (FUMA) to conduct functional annotation of the summary statistics of 23329 significant risk SNPs (P < 5 × 10-8) recognized by GWAS, together with summary-data-based mendelian randomization (SMR) for identifying functionally related genes at the loci in GWAS. Results There were 330 genes with transcriptome-wide significant differences between cases and controls, and the majority of these genes were new. 9 of the 94 unique significant genes had strong, colocalized, and potentially causal correlations with AITD. Such strong associations included CD247, TPO, KIAA1524, PDE8B, BACH2, FYN, FOXK1, NKX2-3, and SPATA13. Subsequently, applying the FUMA approach, novel putative AITD susceptibility genes and involved gene sets were detected. Furthermore, we detected 95 probes that showed strong pleiotropic association with AITD through SMR analysis, such as CYP21A2, TPO, BRD7, and FCRL3. Lastly, we selected 26 genes by integrating the result of TWAS, FUMA, and SMR analysis. A phenome-wide association study (pheWAS) was then carried out to determine the risk of other related or co-morbid phenotypes for AITD-related genes. Conclusions The current work provides further insight into widespread changes in AITD at the transcriptomic level, as well as characterized the genetic component of gene expression in AITD by validating identified genes, establishing new correlations, and uncovering novel susceptibility genes. Our findings indicate that the genetic component of gene expression plays a significant part in AITD.
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Li W, Jiang H, Chen X, Yang K, Deng X, Tang Z, Hu Z, Zhang X, Lin S, Zou Y, Wu H. The variants in PTPRB, TRAF3IP3, and DISC1 genes were associated with Graves' disease in the Chinese population. Medicine (Baltimore) 2022; 101:e31501. [PMID: 36397361 PMCID: PMC9666212 DOI: 10.1097/md.0000000000031501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Previously, a case series study was conducted on our part in which 5 patients with Graves' disease (GD) were collected from a 3-generation family to screen for susceptibility genes responsible for GD. The single nucleotide variants of Microtubule-associated protein 7 domain containing 2 c. 452C > T, p. Ala151Val, Solute carrier family 1 member 7 c. 1204C > T, p. Arg402Cys, tumor necrosis factor receptor-associated factor 3 interacting protein 3 (TRAF3IP3) c. 209A > T, p. Asn70Ile, protein tyrosine phosphatase receptor type B (PTPRB) c. 3472A > G, p. Ser1158Gly, Phosphoinositide-3-kinase regulatory subunit 3 c. 121C > T, p. Pro41Ser, disrupted in schizophrenia 1 (DISC1), c. 1591G > C p. Gly531Arg were associated with the familial GD. We then further confirmed these variants and investigated whether other mutations render susceptibility to GD. The case-control study collected patients with sporadic GD or no GD family history. A snapshot program was used for genotyping the selected SNPs in 235 GD patients (GD group 1) and 284 healthy patients (control group). Furthermore, another 184 GD patients were recruited (GD group 2) to sequence the specified exons of these genes. The sequenced data was compared with Chinese Millionome Database (CMDB). Several variants of PTPRB, phosphoinositide-3-kinase regulatory subunit 3, TRAF3IP3, and DISC1 were found in GD group 2 but not in CMDB. Moreover, the allele frequency of SNP rs2076150 (TRAF3IP3) and rs2492367 DISC1 in GD group 2 was significantly higher than that of in CMDB (all P < .05). When the control group or CMDB was set as a reference group, a significantly higher frequency in alter allele C of SNP rs186466118 PTPRB was observed in GD group 1 and GD group (constituted by GD group 1 and GD group 2). Equally importantly, there was a correlation between the allele C of SNP rs186466118 and the increased risk of GD susceptibility (all P < .05). PTPRB, TRAF3IP3, and DISC1 may be susceptibility genes for GD, and more variants of PTPRB, TRAF3IP3, and DISC1 were found in GD patients.
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Affiliation(s)
- Wei Li
- Huizhou Health Sciences Polytechnic, Huizhou, China
| | | | - Xu Chen
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Kevin Yang
- Department of Cardiology, Sun Yat-sen University, Guangzhou, China
| | - Xindan Deng
- Huizhou Health Sciences Polytechnic, Huizhou, China
| | - Zheng Tang
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Zhihui Hu
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Xiaodan Zhang
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Shihan Lin
- Huizhou Health Sciences Polytechnic, Huizhou, China
| | - Yuanlin Zou
- Huizhou Health Sciences Polytechnic, Huizhou, China
| | - Hui Wu
- Huizhou Health Sciences Polytechnic, Huizhou, China
- *Correspondence: Hui Wu, Clinical School, Huizhou Health Sciences Polytechnic, Huizhou, China (e-mail: )
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Iron: Not Just a Passive Bystander in AITD. Nutrients 2022; 14:nu14214682. [PMID: 36364944 PMCID: PMC9658435 DOI: 10.3390/nu14214682] [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] [Received: 09/30/2022] [Revised: 10/27/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
Autoimmune thyroid disease (AITD) is the most prevalent autoimmune disease all over the world and the most frequent cause of hypothyroidism in areas of iodine sufficiency. The pathogenesis of AITD is multifactorial and depends on complex interactions between genetic and environmental factors, with epigenetics being the crucial link. Iron deficiency (ID) can reduce the activities of thyroid peroxidase and 5′-deiodinase, inhibit binding of triiodothyronine to its nuclear receptor, and cause slower utilization of T3 from the serum pool. Moreover, ID can disturb the functioning of the immune system, increasing the risk of autoimmune disorders. ID can be responsible for residual symptoms that may persist in patients with AITD, even if their thyrometabolic status has been controlled. The human lifestyle in the 21st century is inevitably associated with exposure to chemical compounds, pathogens, and stress, which implies an increased risk of autoimmune disorders and thyroid dysfunction. To summarize, in our paper we discuss how iron deficiency can impair the functions of the immune system, cause epigenetic changes in human DNA, and potentiate tissue damage by chemicals acting as thyroid disruptors.
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Rahimova RR. Autoimmune thyroiditis (review of literature). Klin Lab Diagn 2022; 67:286-291. [PMID: 35613347 DOI: 10.51620/0869-2084-2022-67-5-286-291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Autoimmune thyroiditis is a group of organ-specific autoimmune thyropathies, which are caused by a genetically determined defect in immune tolerance to thyroid antigens, as a result of which its autoimmune damage occurs. The aim of the study was to analyze literature data on the pathogenetic role of genetic and biochemical parameters in patients with autoimmune thyroiditis.
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Zhang X, Zhang S, Wu R, Li S, Su Y, Zhang P. Prevalence of autoimmune thyroid disease in patients with psoriasis: a meta-analysis. BMJ Open 2022; 12:e055538. [PMID: 35105646 PMCID: PMC8804708 DOI: 10.1136/bmjopen-2021-055538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 01/11/2022] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE Psoriasis is a chronic inflammatory disease with autoimmune aetiology. A possible link between psoriasis and autoimmune thyroid disease (AITD) has been suggested in some studies with inconsistent findings. This meta-analysis aims to determine the association between psoriasis and AITD. DESIGN A meta-analysis of observational studies. DATA SOURCES PubMed, EMBASE, Scopus and the Cochrane Library were searched up to 1 November 2021. ELIGIBILITY CRITERIA FOR SELECTING STUDIES We included non-randomised studies, each with over 50 cases in every group, focusing on the rate of comorbidity between psoriasis and AITD. DATA EXTRACTION AND SYNTHESIS Two independent reviewers screened the articles and extracted data. The restricted maximum-likelihood was applied to perform the meta-analysis. OR and 95% CIs were pooled to compare the prevalence of AITD in psoriasis and control groups. Heterogeneity was assessed with I2 statistic. The Newcastle-Ottawa Scale and Agency for Healthcare Research and Quality were applied for quality assessment. The risk of bias was assessed with Risk Of Bias In Non-randomised Studies-of Interventions (ROBINS-I). RESULTS Eleven available studies with data on 253 313 patients with psoriasis and 1 376 533 controls were included. Meta-analysis showed that patients with psoriasis had a higher prevalence of AITD (OR 1.76, 95% CI 1.35 to 2.28, Z=4.25, p<0.01), especially loss-of-function disorder of the thyroid gland. Both thyroglobulin antibodies positive rate (OR 1.98, 95% CI 1.27 to 3.10, Z=3.00, p<0.01) and thyroid peroxidase antibodies positive rate (OR 2.15, 95% CI 1.31 to 3.52, Z=3.05, p<0.01) were also increased in the psoriasis group compared with the control group. CONCLUSIONS Our study indicates that the rate of co-occurring AITD was significantly increased in patients with psoriasis. It suggests that the increased risk of AITD should be concerned in patients with psoriasis. PROSPERO REGISTRATION NUMBER CRD42020206005.
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Affiliation(s)
- Xiaochao Zhang
- Dermatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Suhan Zhang
- Dermatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Ruifang Wu
- Dermatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Siying Li
- Dermatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Yuwen Su
- Dermatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Peng Zhang
- Dermatology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
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11
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Stensland ZC, Coleman BM, Rihanek M, Baxter RM, Gottlieb PA, Hsieh EW, Sarapura VD, Simmons KM, Cambier JC, Smith MJ. Peripheral immunophenotyping of AITD subjects reveals alterations in immune cells in pediatric vs adult-onset AITD. iScience 2022; 25:103626. [PMID: 35005561 PMCID: PMC8718984 DOI: 10.1016/j.isci.2021.103626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/28/2021] [Accepted: 12/09/2021] [Indexed: 11/21/2022] Open
Abstract
Autoimmune thyroid disease (AITD) is caused by aberrant activation of the immune system allowing autoreactive B and T cells to target the thyroid gland leading to disease. Although AITD is more frequently diagnosed in adults, children are also affected but rarely studied. Here, we performed phenotypic and functional characterization of peripheral blood immune cells from pediatric and adult-onset AITD patients and age-matched controls using mass cytometry. Major findings indicate that unlike adult-onset AITD patients, pediatric AITD patients exhibit a decrease in anergic B cells (BND) and DN2 B cells and an increase in immature B cells compared to age-matched controls. These results indicate alterations in peripheral blood immune cells seen in pediatric-onset AITD could lead to rapid progression of disease. Hence, this study demonstrates diversity of AITD by showing differences in immune cell phenotypes and function based on age of onset, and may inform future therapies. Penetrance of high-risk HLA-DR3 haplotype is higher in pediatric AITD patients Pediatric AITD patients display altered frequency of autoreactive B cell subsets Immune cell subset frequency and function is similar in adult AITD and controls
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Affiliation(s)
- Zachary C. Stensland
- Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO 80045, USA
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Brianne M. Coleman
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Marynette Rihanek
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Ryan M. Baxter
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Peter A. Gottlieb
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Elena W.Y. Hsieh
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045, USA
- Department of Pediatrics, Section of Allergy and Immunology, Children's Hospital Colorado, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Virginia D. Sarapura
- Division of Endocrinology, Metabolism, and Diabetes, University of Colorado Health Sciences Center, Aurora, CO 80045, USA
| | - Kimber M. Simmons
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - John C. Cambier
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Mia J. Smith
- Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO 80045, USA
- Barbara Davis Center for Diabetes, University of Colorado School of Medicine, Aurora, CO 80045, USA
- Department of Immunology and Microbiology, University of Colorado School of Medicine, Aurora, CO 80045, USA
- Corresponding author
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12
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Weider T, Genoni A, Broccolo F, Paulsen TH, Dahl-Jørgensen K, Toniolo A, Hammerstad SS. High Prevalence of Common Human Viruses in Thyroid Tissue. Front Endocrinol (Lausanne) 2022; 13:938633. [PMID: 35909527 PMCID: PMC9333159 DOI: 10.3389/fendo.2022.938633] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Accepted: 06/22/2022] [Indexed: 12/18/2022] Open
Abstract
INTRODUCTION Evidence points to viral infections as possible triggers of autoimmune thyroid disease (AITD), but little is known about the prevalence of common viruses in the thyroid gland. Using a novel approach based on virus enrichment in multiple cell lines followed by detection of the viral genome and visualization of viral proteins, we investigated the presence of multiple human viruses in thyroid tissue from AITD patients and controls. METHODS Thyroid tissue was collected by core needle biopsy or during thyroid surgery from 35 patients with AITD (20 Graves' disease and 15 Hashimoto's thyroiditis). Eighteen thyroid tissue specimens from patients undergoing neck surgery for reasons other than thyroid autoimmunity served as controls. Specimens were tested for the presence of ten different viruses. Enteroviruses and human herpesvirus 6 were enriched in cell culture before detection by PCR and immunofluorescence, while the remaining viruses were detected by PCR of biopsied tissue. RESULTS Forty of 53 cases (75%) carried an infectious virus. Notably, 43% of all cases had a single virus, whereas 32% were coinfected by two or more virus types. An enterovirus was found in 27/53 cases (51%), human herpesvirus 6 in 16/53 cases (30%) and parvovirus B19 in 12/53 cases (22%). Epstein-Barr virus and cytomegalovirus were found in a few cases only. Of five gastroenteric virus groups examined, only one was detected in a single specimen. Virus distribution was not statistically different between AITD cases and controls. CONCLUSION Common human viruses are highly prevalent in the thyroid gland. This is the first study in which multiple viral agents have been explored in thyroid. It remains to be established whether the detected viruses represent causal agents, possible cofactors or simple bystanders.
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Affiliation(s)
- Therese Weider
- Department of Endocrinology, Morbid Obesity and Preventive Medicine, Oslo University Hospital, Oslo, Norway
- The University of Oslo, Faculty of Medicine, Oslo, Norway
- *Correspondence: Therese Weider,
| | - Angelo Genoni
- Department of Biotechnology, University of Insubria, Varese, Italy
| | - Francesco Broccolo
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Trond H. Paulsen
- Department of Breast and Endocrine Surgery, Oslo University Hospital, Oslo, Norway
| | - Knut Dahl-Jørgensen
- The University of Oslo, Faculty of Medicine, Oslo, Norway
- Department of Pediatric Medicine, Oslo University Hospital, Oslo, Norway
| | | | - Sara Salehi Hammerstad
- Department of Pediatric Medicine, Oslo University Hospital, Oslo, Norway
- The Specialist Center Pilestredet Park, Oslo, Norway
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13
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Bogusławska J, Godlewska M, Gajda E, Piekiełko-Witkowska A. Cellular and molecular basis of thyroid autoimmunity. Eur Thyroid J 2022; 11:ETJ-21-0024. [PMID: 34981746 PMCID: PMC9142813 DOI: 10.1530/etj-21-0024] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 11/01/2021] [Indexed: 11/08/2022] Open
Abstract
Autoimmune thyroid disease (AITD) is the most common human autoimmune disease. The two major clinical manifestations of AITD are Graves' disease and Hashimoto's thyroiditis (HT). AITD is characterized by lymphocytic infiltration of the thyroid gland, leading either to follicular cell damage, thyroid gland destruction, and development of hypothyroidism (in HT) or thyroid hyperplasia, induced by thyroid antibodies which activate thyrotropin receptor (TSHR) on thyrocytes, leading to hyperthyroidism. The aim of this review is to present up-to-date picture of the molecular and cellular mechanisms that underlie the pathology of AITD. Based on studies involving patients, animal AITD models, and thyroid cell lines, we discuss the key events leading to the loss of immune tolerance to thyroid autoantigens as well as the signaling cascades leading to the destruction of thyroid gland. Special focus is given on the interplay between the environmental and genetic factors, as well as ncRNAs and microbiome contributing to AITD development. In particular, we describe mechanistic models by which SNPs in genes involved in immune regulation and thyroid function, such as CD40, TSHR, FLT3, and PTPN22, underlie AITD predisposition. The clinical significance of novel diagnostic and prognostic biomarkers based on ncRNAs and microbiome composition is also underscored. Finally, we discuss the possible significance of probiotic supplementation on thyroid function in AITD.
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Affiliation(s)
- Joanna Bogusławska
- Centre of Postgraduate Medical Education, Department of Biochemistry and Molecular Biology, Warsaw, Poland
| | - Marlena Godlewska
- Centre of Postgraduate Medical Education, Department of Biochemistry and Molecular Biology, Warsaw, Poland
| | - Ewa Gajda
- Centre of Postgraduate Medical Education, Department of Biochemistry and Molecular Biology, Warsaw, Poland
| | - Agnieszka Piekiełko-Witkowska
- Centre of Postgraduate Medical Education, Department of Biochemistry and Molecular Biology, Warsaw, Poland
- Correspondence should be addressed to A Piekiełko-Witkowska:
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14
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Zhang L, Zhou L, Feng Q, Li Q, Ge M. Mutation of Hashimoto’s Thyroiditis and Papillary Thyroid Carcinoma Related Genes and the Screening of Candidate Genes. Front Oncol 2021; 11:813802. [PMID: 34993154 PMCID: PMC8724914 DOI: 10.3389/fonc.2021.813802] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 12/02/2021] [Indexed: 11/13/2022] Open
Abstract
Clinical studies have shown similarities in the genetic background and biological functional characteristics between Hashimoto’s thyroiditis (HT) and papillary thyroid carcinoma (PTC), and that HT may increase risks of PTC. Here, we set to determine the gene expression specificity of HT and PTC by screening related genes or co-expressed genes and exploring their genetic correlation. Referencing the Oncomine database, HT-related genes were discovered to be expressed in many different types of thyroid cancer, such as TSHR that is highly expressed in thyroid cancer. An in-depth genetic analysis and verification of 35 cancer and paracancerous tissue pairs from patients with thyroid cancer, and 35 tissues and blood cells pairs from patients with Hashimoto’s thyroiditis was conducted. Gene chip technology research showed that TSHR, BACH2, FOXE1, RNASET2, CTLA4, PTPN22, IL2RA and other HT-related genes were all expressed in PTC, in which TSHR was significantly over-expressed in PTC patients sensitive to radioactive iodine therapy, while BACH2 was significantly under-expressed in these patients. The biologically significant candidate Tag SNP highlighted from HT-related genes was screened by the high-throughput detection method. Somatic mutations in patients with HT and PTC were detected by target region capture technique, and 75 mutations were found in patients with HT and PTC. The upstream regulatory factors of the different genes shared by HT and PTC were analyzed based on Ingenuity Pathway Analysis (IPA), and it was found that HIF-1α and PD-L1 could be used as important upstream regulatory signal molecules. These results provide a basis for screening key diagnostic genes of PTC by highlighting the relationship between some HT-related genes and their polymorphisms in the pathogenesis of PTC.
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Affiliation(s)
- Lizhuo Zhang
- Department of Head and Neck Surgery, Center of Otolaryngology-Head and Neck Surgery, Zhejiang Provincial People’s Hospital (People’s Hospital of Hangzhou Medical College), Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Hangzhou, China
- Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Lingyan Zhou
- Department of Radiology (Ultrasound), Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Cancer and Basic Medicine (IBMC), Chinese Academy of Sciences, Hangzhou, China
| | - Qingqing Feng
- Chinese Academy of Sciences (CAS) Key Laboratory for Biomedical Effects of Nanomaterials and Nano Safety & Chinese Academy of Sciences (CAS) Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, China
| | - Qinglin Li
- Scientific Research Department, Cancer Hospital of the University of Chinese Academy of Sciences (Zhejiang Cancer Hospital), Institute of Cancer and Basic Medicine (IBMC), Chinese Academy of Sciences, Hangzhou, China
- *Correspondence: MingHua Ge, ; Qinglin Li,
| | - Minghua Ge
- Department of Head and Neck Surgery, Center of Otolaryngology-Head and Neck Surgery, Zhejiang Provincial People’s Hospital (People’s Hospital of Hangzhou Medical College), Key Laboratory of Endocrine Gland Diseases of Zhejiang Province, Hangzhou, China
- *Correspondence: MingHua Ge, ; Qinglin Li,
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15
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Xiao H, Liang J, Liu S, Zhang Q, Xie F, Kong X, Guo S, Wang R, Fu R, Ye Z, Li Y, Zhang S, Zhang L, Kaudimba KK, Wang R, Kong X, Zhao B, Zheng X, Liu T. Proteomics and Organoid Culture Reveal the Underlying Pathogenesis of Hashimoto's Thyroiditis. Front Immunol 2021; 12:784975. [PMID: 34925365 PMCID: PMC8674930 DOI: 10.3389/fimmu.2021.784975] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 11/05/2021] [Indexed: 12/20/2022] Open
Abstract
Hashimoto’s thyroiditis (HT) is an autoimmune disease, and its incidence continues to rise. Although scientists have studied this disease for many years and discovered the potential effects of various proteins in it, the specific pathogenesis is still not fully comprehended. To understand HT and translate this knowledge to clinical applications, we took the mass spectrometric analysis on thyroid tissue fine-needle puncture from HT patients and healthy people in an attempt to make a further understanding of the pathogenesis of HT. A total of 44 proteins with differential expression were identified in HT patients, and these proteins play vital roles in cell adhesion, cell metabolism, and thyroxine synthesis. Combining patient clinical trial sample information, we further compared the transient changes of gene expression regulation in HT and papillary thyroid carcinoma (PTC) samples. More importantly, we developed patient-derived HT and PTC organoids as a promising new preclinical model to verify these potential markers. Our data revealed a marked characteristic of HT organoid in upregulating chemokines that include C-C motif chemokine ligand (CCL) 2 and CCL3, which play a key role in the pathogenesis of HT. Overall, our research has enriched everyone’s understanding of the pathogenesis of HT and provides a certain reference for the treatment of the disease.
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Affiliation(s)
- Hui Xiao
- Human Phenome Institute, Fudan University, Shanghai, China
| | - Jianqing Liang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Sunqiang Liu
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Qiongyue Zhang
- Shanghai Key Laboratory of Metabolic Remodeling and Health, Institute of Metabolism & Integrative Biology, Fudan University, Shanghai, China.,Division of Endocrinology and Metabolism, Department of Internal Medicine, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Famin Xie
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xingyu Kong
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Shanshan Guo
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ruwen Wang
- School of Kinesiology, Key Laboratory of Exercise and Health Sciences of Ministry of Education, Shanghai University of Sport, Shanghai, China.,Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai, China
| | - Rong Fu
- Department of General Surgery, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Zhiqi Ye
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yun Li
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Shuang Zhang
- School of Kinesiology, Key Laboratory of Exercise and Health Sciences of Ministry of Education, Shanghai University of Sport, Shanghai, China.,Department of Kinesiology, Harbin Sport University, Harbin, China
| | - Li Zhang
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Keneilwe Kenny Kaudimba
- School of Kinesiology, Key Laboratory of Exercise and Health Sciences of Ministry of Education, Shanghai University of Sport, Shanghai, China.,Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai, China
| | - Ru Wang
- School of Kinesiology, Key Laboratory of Exercise and Health Sciences of Ministry of Education, Shanghai University of Sport, Shanghai, China.,Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai, China
| | - Xingxing Kong
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Metabolic Remodeling and Health, Institute of Metabolism & Integrative Biology, Fudan University, Shanghai, China
| | - Bing Zhao
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xuqin Zheng
- Department of Endocrinology and Metabolism, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Tiemin Liu
- Human Phenome Institute, Fudan University, Shanghai, China.,State Key Laboratory of Genetic Engineering, School of Life Sciences, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Key Laboratory of Metabolic Remodeling and Health, Institute of Metabolism & Integrative Biology, Fudan University, Shanghai, China
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16
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Ferrari SM, Ragusa F, Elia G, Paparo SR, Mazzi V, Baldini E, Benvenga S, Antonelli A, Fallahi P. Precision Medicine in Autoimmune Thyroiditis and Hypothyroidism. Front Pharmacol 2021; 12:750380. [PMID: 34867359 PMCID: PMC8635786 DOI: 10.3389/fphar.2021.750380] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 10/21/2021] [Indexed: 12/31/2022] Open
Abstract
Autoimmune thyroid diseases (AITD) are T-cell-mediated organ specific autoimmune disorders, deriving from an altered response of the immune system that leads to the immune attack to the thyroid. Hashimoto’s thyroiditis (HT) and Graves’ disease (GD) are the two principal AITD clinical presentations. Hypothyroidism and thyrotoxicosis are, respectively, the clinical hallmarks of HT and GD. Patients with autoimmune thyroiditis are treated daily with synthetic L-thyroxine (L-T4) at the dose of 1.5–1.7 μg/kg. Various L-T4 formulations are commercially available (tablet, liquid solution, or soft gel capsule). L-T4 in tablets is generally prescribed to treat hypothyroidism, whereas the liquid formulation, or soft gel capsules, can be administered in hypothyroid patients in case of malabsorption or in patients in therapy with drugs interfering with L-T4 absorption. Furthermore, myoinositol has a crucial role in thyroid autoimmunity and function. Clinical studies reported a significant decline in TSH and antithyroid autoantibodies levels after treatment with myoinositol + selenium in patients with subclinical hypothyroidism and autoimmune thyroiditis. Moreover, thyroidectomy can be rarely recommended in patients with autoimmune thyroiditis, with cosmetic reasons for a goiter, or with important signs or symptoms of local compression, or nodular disease with a “suspicious” cytology for malignancy. Furthermore, a recent randomized trial suggested that total thyroidectomy can improve quality of life and fatigue, while medical therapy did not. In this review, we overview currently available evidence in personalized medicine in patients with autoimmune thyroiditis and hypothyroidism. Further research is needed in larger population to investigate the effect of these new treatments on quality of life.
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Affiliation(s)
| | - Francesca Ragusa
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Giusy Elia
- Department of Surgical, Medical and Molecular Pathology and Critical Area, University of Pisa, Pisa, Italy
| | | | - Valeria Mazzi
- Department of Surgical, Medical and Molecular Pathology and Critical Area, University of Pisa, Pisa, Italy
| | - Enke Baldini
- Department of Experimental Medicine, “Sapienza” University of Rome, Rome, Italy
| | - Salvatore Benvenga
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
- Master Program on Childhood, Adolescent and Women’s Endocrine Health, University of Messina, Messina, Italy
- Interdepartmental Program of Molecular and Clinical Endocrinology and Women’s Endocrine Health, Azienda Ospedaliera Universitaria Policlinico “G. Martino”, I-98125, Messina, Italy
| | - Alessandro Antonelli
- Department of Surgical, Medical and Molecular Pathology and Critical Area, University of Pisa, Pisa, Italy
- *Correspondence: Alessandro Antonelli,
| | - Poupak Fallahi
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
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17
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Song RH, Zhao J, Gao CQ, Qin Q, Zhang JA. Inclusion of ALKBH5 as a candidate gene for the susceptibility of autoimmune thyroid disease. Adv Med Sci 2021; 66:351-358. [PMID: 34304114 DOI: 10.1016/j.advms.2021.07.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 06/04/2021] [Accepted: 07/14/2021] [Indexed: 01/27/2023]
Abstract
PURPOSE RNA demethylase AlkB homolog 5 (ALKBH5) gene is pivotal in N6-methyladenosine (m6A) modification. Therefore, this study aimed to explore the potential relationship between polymorphisms of ALKBH5 gene and the development of autoimmune thyroid disease (AITD). MATERIAL AND METHODS A case-control study of 979 AITD patients, including 620 Graves' disease (GD) and 359 Hashimoto's thyroiditis (HT), and 732 normal controls of the Chinese Han population was performed using high-throughput sequencing (HiSeq) genotyping method for detecting 5 variants in ALKBH5 gene (rs12936694, rs2124370, rs4925144, rs8068517, and rs9913266). In addition, the associations between ALKBH5 single nucleotide polymorphisms (SNPs) and clinical phenotypes of AITD were investigated. RESULTS Compared to normal controls, rs9913266 displayed significant differences in allele and genotype distributions in AITD and GD. rs12936694 also showed significantly different frequencies of alleles in AITD and GD. The link of these 2 loci polymorprhisms to AITD and GD also existed after adjusting for age and gender. When stratified by sex, the minor allele of rs9913266 was associated with the risk of female AITD and HT development before and after adjusting for age and gender. There was a significant association between rs8068517 locus and GD in females after adjusting for the confounders. Finally, we observed significant correlations of haplotypes CGACA and CAGCG to the susceptibility of AITD and GD. CONCLUSIONS Our results provided evidence of association of polymorphisms in ALKBH5 gene with AITD, GD, and HT patients, and hence ALKBH5 might be the candidate gene for susceptibility to AITD.
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Affiliation(s)
- Rong-Hua Song
- Department of Endocrinology & Rheumatology, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Jing Zhao
- Department of Endocrinology & Rheumatology, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Chao-Qun Gao
- Department of Endocrinology & Rheumatology, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Qiu Qin
- Department of Endocrinology & Rheumatology, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China.
| | - Jin-An Zhang
- Department of Endocrinology & Rheumatology, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China.
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18
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Shen F, Cai W, Gan X, Feng J, Chen Z, Guo M, Wei F, Cao J, Xu B. Prediction of Genetic Factors of Hyperthyroidism Based on Gene Interaction Network. Front Cell Dev Biol 2021; 9:700355. [PMID: 34409035 PMCID: PMC8365469 DOI: 10.3389/fcell.2021.700355] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 06/02/2021] [Indexed: 12/25/2022] Open
Abstract
The number of hyperthyroidism patients is increasing these years. As a disease that can lead to cardiovascular disease, it brings great potential health risks to humans. Since hyperthyroidism can induce the occurrence of many diseases, studying its genetic factors will promote the early diagnosis and treatment of hyperthyroidism and its related diseases. Previous studies have used genome-wide association analysis (GWAS) to identify genes related to hyperthyroidism. However, these studies only identify significant sites related to the disease from a statistical point of view and ignore the complex regulation relationship between genes. In addition, mutation is not the only genetic factor of causing hyperthyroidism. Identifying hyperthyroidism-related genes from gene interactions would help researchers discover the disease mechanism. In this paper, we purposed a novel machine learning method for identifying hyperthyroidism-related genes based on gene interaction network. The method, which is called “RW-RVM,” is a combination of Random Walk (RW) and Relevance Vector Machines (RVM). RW was implemented to encode the gene interaction network. The features of genes were the regulation relationship between genes and non-coding RNAs. Finally, multiple RVMs were applied to identify hyperthyroidism-related genes. The result of 10-cross validation shows that the area under the receiver operating characteristic curve (AUC) of our method reached 0.9, and area under the precision-recall curve (AUPR) was 0.87. Seventy-eight novel genes were found to be related to hyperthyroidism. We investigated two genes of these novel genes with existing literature, which proved the accuracy of our result and method.
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Affiliation(s)
- Fei Shen
- Department of Thyroid Surgery, School of Medicine, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, China.,Department of Thyroid Surgery, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Wensong Cai
- Department of Thyroid Surgery, School of Medicine, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, China.,Department of Thyroid Surgery, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Xiaoxiong Gan
- Department of Thyroid Surgery, School of Medicine, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, China.,Department of Thyroid Surgery, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Jianhua Feng
- Department of Thyroid Surgery, School of Medicine, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, China.,Department of Thyroid Surgery, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Zhen Chen
- Department of Thyroid Surgery, School of Medicine, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, China.,Department of Thyroid Surgery, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Mengli Guo
- Department of Thyroid Surgery, School of Medicine, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, China.,Department of Thyroid Surgery, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
| | - Fang Wei
- Department of General Surgery, School of Medicine, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, China
| | - Jie Cao
- Department of General Surgery, School of Medicine, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, China
| | - Bo Xu
- Department of Thyroid Surgery, School of Medicine, Guangzhou First People's Hospital, South China University of Technology, Guangzhou, China.,Department of Thyroid Surgery, Guangzhou First People's Hospital, Guangzhou Medical University, Guangzhou, China
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19
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Tagoe CE, Wang W, Wang S, Barbour KE. Association of anti-thyroid antibodies with radiographic knee osteoarthritis and chondrocalcinosis: a NHANES III study. Ther Adv Musculoskelet Dis 2021; 13:1759720X211035199. [PMID: 34394750 PMCID: PMC8358581 DOI: 10.1177/1759720x211035199] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 07/05/2021] [Indexed: 12/27/2022] Open
Abstract
Objectives: To examine the relationships between radiographic knee osteoarthritis (RKOA), symptomatic radiographic knee osteoarthritis (sRKOA), and chondrocalcinosis, as outcome variables, and the autoimmune thyroid disease (AITD) autoantibodies, anti-thyroid peroxidase antibody (TPOAb) and anti-thyroglobulin antibody (TgAb), in the Third National Health and Nutrition Examination Survey (NHANES III) data source. Methods: NHANES III provided data on 2291 persons over the age of 60 years that included the osteoarthritis variables of interest RKOA, sRKOA and chondrocalcinosis, and the thyroid autoantibodies TPOAb and TgAb. A log-binomial regression model was fit to examine the relationships between anti-thyroid autoantibodies and RKOA. Modified Poisson regression models were employed for the thyroid autoantibodies compared to sRKOA and chondrocalcinosis. Results: Patients with higher levels of TPOAb were more likely to have chondrocalcinosis [prevalence ratio (PR) 1.247, 95% confidence interval (CI) 1.051, 1.479, p = 0.012]. A piecewise regression analysis indicated that this relationship between TPOAb and chondrocalcinosis was only observed when TPOAb was above 35 IU/ml (PR 1.482, 95% CI 1.233, 1.781, p < 0.001). Levels equal to or below 35 IU/ml were not associated with chondrocalcinosis. TPOAb was not associated with RKOA or sRKOA, and TgAb was not significantly related to any of the outcomes. Conclusion: There was no association of AITD autoantibodies TPOAb and TgAb with RKOA or sRKOA. However, there may be an association of TPOAb with the presence of chondrocalcinosis.
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Affiliation(s)
- Clement E Tagoe
- Division of Rheumatology, Montefiore Medical Center, 111 East 210th Street, Bronx, NY 10467-2490, USA
| | | | - Shudan Wang
- Division of Rheumatology, Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Kamil E Barbour
- Centers for Disease Control and Prevention, Atlanta, GA, USA
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20
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Poma AM, Hammerstad SS, Genoni A, Basolo A, Dahl-Jorgensen K, Toniolo A. Immune Transcriptome of Cells Infected with Enterovirus Strains Obtained from Cases of Autoimmune Thyroid Disease. Microorganisms 2021; 9:microorganisms9040876. [PMID: 33921891 PMCID: PMC8073039 DOI: 10.3390/microorganisms9040876] [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] [Received: 03/05/2021] [Revised: 04/15/2021] [Accepted: 04/16/2021] [Indexed: 11/16/2022] Open
Abstract
Background: Hashimoto’s thyroiditis and Graves’ disease are autoimmune thyroid disorders (AITD) of unknown origin. Enterovirus (EV) infection of thyroid cells has been implicated as a possible initiator of cell damage and of organ-specific autoimmunity. We asked whether persistent infection of human epithelial cells with EV strains obtained from thyroid tissue of AITD patients could be associated with transcriptional changes capable of fostering immunopathology. Methods: EV isolates obtained from thyroid tissue of AITD cases were used to infect the AV3 epithelial cell line. AV3 cells incubated with a virus-free medium from thyroid tissue of subjects without evidence of thyroid autoimmunity were used as uninfected controls. Transcripts of immune-related genes were compared in infected vs. uninfected cells. Results: The EV genome and antigens were detected only in the cells exposed to AITD-derived virus isolates, not in control cells. Persistent EV infection, while suppressing transcription of several type I IFN and cytokine determinants, was associated with enhanced transcription of NFKB1/RELA, IFNAR1, JAK1/STAT1, i.e., the determinants that play key immunologic roles. Infection also led to upregulation of the CCL2 chemokine and the IL-18 pro-inflammatory interleukin. Conclusion: As in the case of EV strains obtained from autoimmune diabetes, results show that the EV strains that are present in the thyroid of AITD cases do repress IFN and cytokine pathways. JAK1/STAT1 upregulation supports activation of TLR pathways and aberrant T cell signaling. In the early phases of AITD, our results highlight the potential benefit of interventions aimed at blocking the viral infection and easing the inflammatory response.
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Affiliation(s)
- Anello Marcello Poma
- Department of Surgical, Medical, Molecular Pathology and Clinical Area, University of Pisa, 56126 Pisa, Italy
- Correspondence: ; Tel.: +39-050-993260
| | - Sarah Salehi Hammerstad
- Department of Pediatric Medicine, Oslo University Hospital, 0450 Oslo, Norway; (S.S.H.); (K.D.-J.)
- Specialist Center Pilestredet Park, Pilestredet Park 12.A, 0176 Oslo, Norway
| | - Angelo Genoni
- Medical Microbiology, Department of Biotechnology and Life Sciences, University of Insubria, 21100 Varese, Italy;
| | - Alessio Basolo
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy;
| | - Knut Dahl-Jorgensen
- Department of Pediatric Medicine, Oslo University Hospital, 0450 Oslo, Norway; (S.S.H.); (K.D.-J.)
- Faculty of Medicine, The University of Oslo, 0316 Oslo, Norway
| | - Antonio Toniolo
- Global Virus Network, University of Insubria, 21100 Varese, Italy;
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21
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Skov J, Calissendorff J, Eriksson D, Magnusson P, Kämpe O, Bensing S, Kuja-Halkola R. Limited Genetic Overlap Between Overt Hashimoto's Thyroiditis and Graves' Disease in Twins: A Population-based Study. J Clin Endocrinol Metab 2021; 106:1101-1110. [PMID: 33382429 PMCID: PMC7993582 DOI: 10.1210/clinem/dgaa956] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Indexed: 11/19/2022]
Abstract
CONTEXT Hashimoto's thyroiditis (HT) and Graves' disease (GD) are known to coaggregate in families, but the magnitude and nature of a shared etiology is unknown. OBJECTIVES To estimate the shared genetic influence on overt HT and GD and to examine if the heritability differs between men and women. DESIGN, SETTING, AND PATIENTS We used national health registries to identify cases of HT and GD in a cohort of 110 814 Swedish twins. By comparing intra-class and cross-twin cross-trait correlations in dizygotic and monozygotic twins, we calculated heritability and the proportions thereof shared between the diseases. Univariate estimates of heritability were calculated by sex. RESULTS The heritability for HT and GD was 65% (95% CI, 61-70) and 63% (95% CI, 55-72), respectively. The genetic correlation was 0.35 (95% CI, 0.20-0.50) and shared genetic effects accounted for 8% of the variance for both HT and GD. Univariate heritability was significantly higher in men than in women for HT (90% vs 60%, P < 0.001) but not for GD (79% vs 63%, P = 0.085). CONCLUSIONS From a genetic perspective, HT and GD appear to be only modestly related diseases. Hence, the term "autoimmune thyroid disease," used to cluster these disorders, may have limited validity in a genetic context. Moreover, the mechanisms contributing to HT are partly different for the sexes, with genetic components more important in men.
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Affiliation(s)
- Jakob Skov
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Department of Medicine, Karlstad Central Hospital, Karlstad, Sweden
| | - Jan Calissendorff
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Department of Endocrinology, Inflammation and Infection Theme, Karolinska University Hospital, Stockholm, Sweden
| | - Daniel Eriksson
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
- Department of Clinical Genetics, Uppsala University Hospital, Uppsala, Sweden
- Department of Medicine (Solna), Karolinska Institutet, Stockholm, Sweden
| | - Patrik Magnusson
- Department of Medical Epidemiology and Biostatistics Karolinska Institutet, Stockholm, Sweden
| | - Olle Kämpe
- Department of Endocrinology, Inflammation and Infection Theme, Karolinska University Hospital, Stockholm, Sweden
- Department of Medicine (Solna), Karolinska Institutet, Stockholm, Sweden
- K.G. Jebsen Center for Autoimmune Diseases, University of Bergen, Norway
| | - Sophie Bensing
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- Department of Endocrinology, Inflammation and Infection Theme, Karolinska University Hospital, Stockholm, Sweden
| | - Ralf Kuja-Halkola
- Department of Medical Epidemiology and Biostatistics Karolinska Institutet, Stockholm, Sweden
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Han B, Chen C, Chen Y, Wang N, Yu J, Cheng J, Chen Y, Zhu C, Lu Y. Relationship between Gene Polymorphisms and Urine Iodine Levels on Susceptibility to Thyroid Peroxidase Antibody Positivity in the Chinese Population. Eur Thyroid J 2021; 10:79-85. [PMID: 33777823 PMCID: PMC7983603 DOI: 10.1159/000506701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 02/08/2020] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND/AIMS Hashimoto thyroiditis, characterized by positive thyroid peroxidase antibodies (TPOAbs), is caused by the interaction of genetic and environment factors. The aim of this study was to clarify the interaction of gene polymorphisms and iodine intake in the incidence of TPOAb positivity. METHODS 1,733 subjects were included in this study. Genomic DNA was extracted from peripheral blood white cells. Four SNPs (rs11675434 [TPO], rs3094228 [HCP5], rs9277555 [HLA-DPB1], and rs301799 [RERE]) were selected for genotyping. Weighted TPOAb genetic risk score (GRS) was calculated based on these 4 SNPs. Thyroid hormones and autoimmune antibodies (TPOAb and thyroglobulin antibody) were determined using the electrochemiluminescence immunoassay method. RESULTS The mean serum thyrotropin level in TPOAb-positive subjects was higher than in TPOAb-negative subjects (p < 0.01). Genotype GG of rs9277555 was associated with an increased risk of TPOAb positivity (OR = 1.64, 5-95% CI 1.09, 2.47, p = 0.02). Genotype TT of rs11675434 showed marginal increased risk of TPOAb positivity (OR = 1.57, 5-95% CI 1.01, 2.43, p = 0.048). Logistic regression analysis showed TPOAb-GRS and rs9277555 were associated with TPOAb positivity (OR = 5.09, 5-95% CI 1.30, 19.91, p = 0.02 and OR = 1.30, 5-95% CI 1.05, 1.61, p = 0.02). Subjects with a high TPOAb-GRS had a 52% increased risk of TPOAb positivity compared to subjects with a low TPOAb-GRS (OR 1.52, 5-95% CI 1.05, 2.21, p = 0.03). CONCLUSION TPOAb-GRS was associated with an increased risk of TPOAb positivity in a Chinese Han population. This effect might be attribute to rs9277555.
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Affiliation(s)
- Bing Han
- **Bing Han, MD, PhD, Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital Affiliated to Shanghai Jiaotong, University School of Medicine, Shanghai 200011 (China),
| | | | | | | | | | | | | | | | - Yingli Lu
- *Yingli Lu, MD, PhD, Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital Affiliated to Shanghai Jiaotong, University School of Medicine, Shanghai 200011 (China),
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23
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Zeber-Lubecka N, Hennig EE. Genetic Susceptibility to Joint Occurrence of Polycystic Ovary Syndrome and Hashimoto's Thyroiditis: How Far Is Our Understanding? Front Immunol 2021; 12:606620. [PMID: 33746952 PMCID: PMC7968419 DOI: 10.3389/fimmu.2021.606620] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 01/07/2021] [Indexed: 12/15/2022] Open
Abstract
Polycystic ovary syndrome (PCOS) and Hashimoto’s thyroiditis (HT) are endocrine disorders that commonly occur among young women. A higher prevalence of HT in women with PCOS, relative to healthy individuals, is observed consistently. Combined occurrence of both diseases is associated with a higher risk of severe metabolic and reproductive complications. Genetic factors strongly impact the pathogenesis of both PCOS and HT and several susceptibility loci associated with a higher risk of both disorders have been identified. Furthermore, some candidate gene polymorphisms are thought to be functionally relevant; however, few genetic variants are proposed to be causally associated with the incidence of both disorders together.
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Affiliation(s)
- Natalia Zeber-Lubecka
- Department of Gastroenterology, Hepatology and Clinical Oncology, Centre of Postgraduate Medical Education, Warsaw, Poland
| | - Ewa E Hennig
- Department of Gastroenterology, Hepatology and Clinical Oncology, Centre of Postgraduate Medical Education, Warsaw, Poland.,Department of Genetics, Maria Skłodowska-Curie National Research Institute of Oncology, Warsaw, Poland
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Hu Z, Li W, Li M, Wei H, Hu Z, Chen Y, Luo A, Li W. Screening of Graves' disease susceptibility genes by whole exome sequencing in a three-generation family. BMC Med Genomics 2021; 14:46. [PMID: 33568133 PMCID: PMC7874465 DOI: 10.1186/s12920-020-00865-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 12/29/2020] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Graves' disease(GD) has a tendency for familial aggregation, but it is uncommon to occur in more than two generations. However, little is known about susceptibility genes for GD in the three-generation family. METHODS DNA were extracted from three-generation familial GD patient with a strong genetic background in a Chinese Han population. The Whole Exome Sequencing (WES) was utilized to screen the genome for SNVs associated with GD and the Sanger Sequencing was used to confirm the potential disease-causing genes. RESULTS In the case study, there were five patients with Graves' disease(GD) from a three-generation family. The SNVs of MAP7D2(c. 452C > T: p. A151V), SLC1A7(c. 1204C > T: p. R402C), TRAF3IP3(c. 209A > T: p. N70I), PTPRB(c. 3472A > G: p. S1158G), PIK3R3(c. 121C > T: p. P41S), DISC1(c. 1591G > C: p. G531R) were found to be associated with the familial GD and the Sanger sequencing had confirmed these variations. Furthermore, PolyPhen-2 score showed that the variants in TRAF3IP3, PTPRB, PIK3R3 are more likely to change protein functions. CONCLUSION The MAP7D2, SLC1A7, TRAF3IP3, PTPRB, PIK3R3, DISC1 may be the candidate susceptibility genes for familial GD from a three generations family.
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Affiliation(s)
- Zhuoqing Hu
- Department of Endocrinology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510220, China
| | - Wei Li
- Huizhou Health Sciences Polytechnic, Huizhou, China
| | - Miaosheng Li
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Hao Wei
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Zhihui Hu
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Yanting Chen
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Ai Luo
- Department of Endocrinology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510220, China
| | - Wangen Li
- Department of Endocrinology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510220, China.
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25
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Bufalo NE, Dos Santos RB, Rocha AG, Teodoro L, Romaldini JH, Ward LS. Polymorphisms of the genes CTLA4, PTPN22, CD40, and PPARG and their roles in Graves' disease: susceptibility and clinical features. Endocrine 2021; 71:104-112. [PMID: 32419081 DOI: 10.1007/s12020-020-02337-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 05/04/2020] [Indexed: 10/24/2022]
Abstract
PURPOSE CTLA4, PTPN22, and CD40 are immune-regulatory genes strongly associated with GD, as well as PPARG, but their clinical significance in different populations is still uncertain. METHODS We genotyped 282 Brazilian GD patients (234 women and 48 men, 39.80 ± 11.69 years old), including 144 patients with GO, and 308 healthy control individuals (246 women and 62 men, 36.86 ± 12.95 years old). RESULTS A multivariate analysis demonstrated that the inheritance of the GG genotype rs3087243 of CTLA4 (OR = 2.593; 95% CI = 1.630-4.123; p < 0.0001) and the CC genotype of rs3789607 of PTPN22 (OR = 2.668; 95% CI = 1.399-5.086; p = 0.0029) consisted in factors independent of the susceptibility to GD. The inheritance of polymorphic genotypes of rs5742909 of CTLA4 was associated with older age at the time of diagnosis (42.90 ± 10.83 versus 38.84 ± 11.81 years old; p = 0.0105), with higher TRAb levels (148.17 ± 188.90 U/L versus 112.14 ± 208.54 U/L; p = 0.0229) and the need for higher therapeutic doses of radioiodine (64.23 ± 17.16 versus 50.22 ± 16.86; p = 0.0237). The inheritance of the CC genotype of rs1883832 CD40 gene was more frequent among women (69.65%) than men (52.00%; p = 0.0186). The polymorphic genotype of PPARG gene (rs1801282) was associated with TPOAb positivity (p = 0.0391), and the GG genotype of rs2476601 of PTPN22 gene was associated with positivity for both TgAb (p = 0.0360) and TPOAb (p < 0.0001). Both polymorphic genotypes rs2476601 and rs3789607 of the PTPN22 gene were more frequent among nonsmoking patients (p = 0.0102 and p = 0.0124, respectively). CONCLUSIONS Our data confirm the important role of CTLA4 polymorphisms in GD susceptibility; demonstrate the role of PTPN22 polymorphisms in patients' clinical features; and suggest these genes may influence the severity of the disease.
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Affiliation(s)
- Natássia Elena Bufalo
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences (FCM), University of Campinas (UNICAMP), Campinas, São Paulo, Brazil.
| | - Roberto Bernardo Dos Santos
- Division of Endocrinology, Pontifical Catholic University of Campinas (PUCCAMP), Campinas, São Paulo, Brazil
| | - Angélica Gomes Rocha
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences (FCM), University of Campinas (UNICAMP), Campinas, São Paulo, Brazil
| | - Larissa Teodoro
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences (FCM), University of Campinas (UNICAMP), Campinas, São Paulo, Brazil
| | - João Hamilton Romaldini
- Division of Endocrinology, Pontifical Catholic University of Campinas (PUCCAMP), Campinas, São Paulo, Brazil
- Endocrinology Service, São Paulo State Public Servant's Hospital, Institute of Medical Assistance of the State Public Servant (HSPE-IAMSPE), São Paulo, SP, Brazil
| | - Laura Sterian Ward
- Laboratory of Cancer Molecular Genetics, School of Medical Sciences (FCM), University of Campinas (UNICAMP), Campinas, São Paulo, Brazil
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Discover novel disease-associated genes based on regulatory networks of long-range chromatin interactions. Methods 2020; 189:22-33. [PMID: 33096239 DOI: 10.1016/j.ymeth.2020.10.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 08/29/2020] [Accepted: 10/18/2020] [Indexed: 02/01/2023] Open
Abstract
Identifying genes and non-coding genetic variants that are genetically associated with complex diseases and the underlying mechanisms is one of the most important questions in functional genomics. Due to the limited statistical power and the lack of mechanistic modeling, traditional genome-wide association studies (GWAS) is restricted to fully address this question. Based on multi-omics data integration, cell-type specific regulatory networks can be built to improve GWAS analysis. In this study, we developed a new computational infrastructure, APRIL, to incorporate 3D chromatin interactions into regulatory network construction, which can extend the networks to include long-range cis-regulatory links between non-coding GWAS SNPs and target genes. Combinatorial transcription factors that co-regulate groups of genes are also inferred to further expand the networks with trans-regulation. A suite of machine learning predictions and statistical tests are incorporated in APRIL to predict novel disease-associated genes based on the expanded regulatory networks. Important features of non-coding regulatory elements and genetic variants are prioritized in network-based predictions, providing systems-level insights on the mechanisms of transcriptional dysregulation associated with complex diseases.
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Implication of VDR Rs7975232 and FCGR2A Rs1801274 Gene Polymorphisms in the Risk and the Prognosis of autoimmune Thyroid Diseases in the Tunisian Population. Balkan J Med Genet 2020; 23:69-76. [PMID: 32953412 PMCID: PMC7474221 DOI: 10.2478/bjmg-2020-0011] [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] [Indexed: 01/11/2023] Open
Abstract
Hashimoto's thyroiditis (HT) and Graves' disease (GD) are autoimmune thyroid diseases (AITD) that cause hypothyroidism and hyperthyroidism, respectively. The vitamin D receptor (VDR) and the Fey receptor IIA (FcγRIIA), are implicated in the etiology of AITD. This study was conducted to examine the implication of VDR rs7975232 and FCGR2A rs 1801274 variations in the susceptibility and the prognosis of AITD in the Tunisian population. The rs7975232 and rs1801274 (R131H) polymorphisms were analyzed in 162 controls and 162 AITD patients (106 HT and 56 GD) by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and amplification of refractory mutation system-PCR (ARMS-PCR), respectively. No significant difference was demonstrated for the rs7975232 between patients and controls. However, a significant association was shown between the rs1801274 polymorphism and AITD or HT in the dominant (p = 0.03 or p = 0.01), codominant (p = 0.019 or p = 0.026) and allelic (p = 0.011 or p = 0.012) models. The rs7975232 was associated with the absence or the presence of anti-thyroglobulin antibody, with the age of AITD and GD patients during the first diagnosis (p = 0.01 and p = 0.009, respectively) and with a high T4 level at the beginning of HT disease. However, the FCGR2A gene polymorphism was associated with a low T4 level at the beginning of GD disease. In conclusion, this study indicates that only the FCGR2A variation could be related to AITD and HT susceptibility and that VDR and FCGR2A gene variations constitute factors to prognosticate the severity of AITD, HT and GD.
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Ferrari SM, Fallahi P, Elia G, Ragusa F, Ruffilli I, Paparo SR, Antonelli A. Thyroid autoimmune disorders and cancer. Semin Cancer Biol 2020; 64:135-146. [DOI: 10.1016/j.semcancer.2019.05.019] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 05/24/2019] [Accepted: 05/29/2019] [Indexed: 12/18/2022]
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Muñiz-Castrillo S, Ambati A, Dubois V, Vogrig A, Joubert B, Rogemond V, Picard G, Lin L, Fabien N, Mignot E, Honnorat J. Primary DQ effect in the association between HLA and neurological syndromes with anti-GAD65 antibodies. J Neurol 2020; 267:1906-1911. [PMID: 32152690 DOI: 10.1007/s00415-020-09782-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 03/02/2020] [Accepted: 03/04/2020] [Indexed: 02/04/2023]
Abstract
The primary cause of neurological syndromes with antibodies against glutamic acid decarboxylase 65 (GAD65-Ab) is unknown, but genetic predisposition may exist as it is suggested by the co-occurrence in patients and their relatives of other organ-specific autoimmune diseases, notably type 1 diabetes mellitus (T1DM), and by the reports of a few familial cases. We analyzed the human leukocyte antigen (HLA) in 32 unrelated patients and compared them to an ethnically matched sample of 137 healthy controls. Four-digit resolution HLA alleles were imputed from available Genome Wide Association data, and full HLA next-generation sequencing-based typing was also performed. HLA DQA1*05:01-DQB1*02:01-DRB1*03:01 was the most frequent class II haplotype in patients (13/32, 41%). DQB1*02:01 was the only allele found to be significantly more common in patients than in controls (20/137, 15%, corrected p = 0.03, OR 3.96, 95% CI [1.54-10.09]). There was also a trend towards more frequent DQA1*05:01 among patients compared to controls (22/137, 16%; corrected p = 0.05, OR 3.54, 95% CI [1.40-8.91]) and towards a protective effect of DQB1*03:01 (2/32, 6% in patients vs. 42/137, 31% in control group; corrected p = 0.05, OR 0.15, 95% CI [0.02-0.65]). There was no significant demographic or clinical difference between DQ2 and non-DQ2 carriers (p > 0.05). Taken together, these findings suggest a primary DQ effect on GAD65-Ab neurological diseases, partially shared with other systemic organ-specific autoimmune diseases such as T1DM. However, it is likely that other non-HLA loci are involved in the genetic predisposition of GAD65-Ab neurological syndromes.
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Affiliation(s)
- Sergio Muñiz-Castrillo
- French Reference Center on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Boulevard Pinel, 69677, Bron Cedex, France
- SynatAc Team, Institute NeuroMyoGène, INSERM U1217/CNRS UMR 5310, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Aditya Ambati
- Center for Sleep Sciences and Medicine, Stanford University, Palo Alto, CA, USA
| | - Valérie Dubois
- HLA Laboratory, French Blood Service, EFS Auvergne-Rhône-Alpes, Lyon, France
| | - Alberto Vogrig
- French Reference Center on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Boulevard Pinel, 69677, Bron Cedex, France
- SynatAc Team, Institute NeuroMyoGène, INSERM U1217/CNRS UMR 5310, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Bastien Joubert
- French Reference Center on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Boulevard Pinel, 69677, Bron Cedex, France
- SynatAc Team, Institute NeuroMyoGène, INSERM U1217/CNRS UMR 5310, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Véronique Rogemond
- French Reference Center on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Boulevard Pinel, 69677, Bron Cedex, France
- SynatAc Team, Institute NeuroMyoGène, INSERM U1217/CNRS UMR 5310, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Geraldine Picard
- French Reference Center on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Boulevard Pinel, 69677, Bron Cedex, France
- SynatAc Team, Institute NeuroMyoGène, INSERM U1217/CNRS UMR 5310, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Ling Lin
- Center for Sleep Sciences and Medicine, Stanford University, Palo Alto, CA, USA
| | - Nicole Fabien
- Department of Immunology, Hospices Civils de Lyon, Centre Hospitalier Lyon Sud, Lyon, France
| | - Emmanuel Mignot
- Center for Sleep Sciences and Medicine, Stanford University, Palo Alto, CA, USA
| | - Jérôme Honnorat
- French Reference Center on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Boulevard Pinel, 69677, Bron Cedex, France.
- SynatAc Team, Institute NeuroMyoGène, INSERM U1217/CNRS UMR 5310, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France.
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Ferrari SM, Fallahi P, Elia G, Ragusa F, Camastra S, Paparo SR, Giusti C, Gonnella D, Ruffilli I, Shoenfeld Y, Antonelli A. Novel therapies for thyroid autoimmune diseases: An update. Best Pract Res Clin Endocrinol Metab 2020; 34:101366. [PMID: 31813786 DOI: 10.1016/j.beem.2019.101366] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A Th1 immune-preponderance has been shown in the immunopathogenesis of autoimmune thyroiditis (AT), Graves' disease (GD) and Graves' Ophthalmopathy (GO), in which the Th1-chemokines (CXCL9, CXCL10, CXCL11), and their (C-X-C)R3 receptor, have a crucial role. Methimazole, and corticosteroids have been shown to modulate these chemokines; several efforts have been done to modulate the autoimmune reaction with other drugs, i.e. PPAR-γ, or -α ligands, or antibodies, or small molecules directed against CXCL10, or CXCR3. Antigen-specific therapy for GD, by inducing T cell tolerance through an immunization with TSH-R peptides, has been published. Drugs targeting cytokines [anti-TNFα (Etanercept), and anti-IL-6 (Tocilizumab)], and RTX (a chimeric monoclonal antibody vs. CD20) have been used in GO, with promising results. Teprotumumab (a human monoclonal anti-IGF-1R blocking antibody) has been investigated in a trial, showing it was very effective in GO patients. Still, more studies are needed for new therapies targeting autoimmune thyroid disorders.
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Affiliation(s)
| | - Poupak Fallahi
- Department of Translational Research of New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy.
| | - Giusy Elia
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Francesca Ragusa
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Stefania Camastra
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | | | - Claudia Giusti
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Debora Gonnella
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Ilaria Ruffilli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Israel; Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Russia.
| | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
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31
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Ragusa F, Fallahi P, Elia G, Gonnella D, Paparo SR, Giusti C, Churilov LP, Ferrari SM, Antonelli A. Hashimotos' thyroiditis: Epidemiology, pathogenesis, clinic and therapy. Best Pract Res Clin Endocrinol Metab 2019; 33:101367. [PMID: 31812326 DOI: 10.1016/j.beem.2019.101367] [Citation(s) in RCA: 233] [Impact Index Per Article: 46.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Hashimoto's thyroiditis (HT), the most frequent autoimmune thyroid disorders (AITDs), is the leading cause of hypothyroidism in the iodine-sufficient areas of the world. About 20-30% of patients suffers from HT, whose cause is thought to be a combination of genetic susceptibility and environmental factors that causes the loss of immunological tolerance, with a consequent autoimmune attack to the thyroid tissue and appearance of the disease. The pathologic features of lymphocytic infiltration, especially of T cells, and follicular destruction are the histological hallmark of autoimmune thyroiditis (AIT), that lead to gradual atrophy and fibrosis. An important role in the immune-pathogenesis of AITDs is due to chemokines and cytokines. In about 20% of patients, AITDs are associated with other organ specific/systemic autoimmune disorders. Many studies have demonstrated the relationship between papillary thyroid cancer and AITD. The treatment of hypothyroidism, as result of AIT, consists in daily assumption of synthetic levothyroxine.
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Affiliation(s)
- Francesca Ragusa
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Poupak Fallahi
- Department of Translational Research of New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy.
| | - Giusy Elia
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Debora Gonnella
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | | | - Claudia Giusti
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Leonid P Churilov
- Laboratory of the Mosaic of Autoimmunity, Saint Petersburg State University, Russia.
| | | | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
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32
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Hoefsmit EP, Rozeman EA, Haanen JBAG, Blank CU. Susceptible loci associated with autoimmune disease as potential biomarkers for checkpoint inhibitor-induced immune-related adverse events. ESMO Open 2019; 4:e000472. [PMID: 31423333 PMCID: PMC6677983 DOI: 10.1136/esmoopen-2018-000472] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 03/01/2019] [Accepted: 03/19/2019] [Indexed: 12/13/2022] Open
Abstract
Unprecedented successes regarding cancer immunotherapy have been achieved, in which therapeutic agents are used to target immune cells rather than cancer cells. The most effective immunotherapy to date is the group of immune checkpoint inhibitors (CPI), targeting, for example, cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) or programmed cell death protein (PD-1). TThe combination of these therapies (anti-PD-1 with anti-CTLA-4) induces high response rates, and seem to be increased further when applied in early-stage disease. However, combined CTLA-4 plus PD-1 blockade causes frequent high-grade immune-related adverse events (irAE). To date, research on biological mechanism of irAEs is scarce and no widely accepted biomarkers predicting onset of severe irAEs have been identified. The similarity of irAEs to autoimmune disorders fuels the hypothesis that irAEs may be linked to susceptible genetic loci related to various autoimmune diseases. In this review, we extensively searched for susceptible loci associated with various autoimmune diseases, and pooled them in groups most likely to be associated with CPI-induced irAEs. These sets could be used in future research on predicting irAEs and guide physicians in a more refined and personal manner.
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Affiliation(s)
- Esmée P Hoefsmit
- Division of Molecular Oncology and Immunology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Elisa A Rozeman
- Division of Molecular Oncology and Immunology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Medical Oncology Department, Netherlands Cancer Institute-Antoni van Leeuwenhoek Ziekenhuis, Amsterdam, The Netherlands
| | - John B A G Haanen
- Division of Molecular Oncology and Immunology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Medical Oncology Department, Netherlands Cancer Institute-Antoni van Leeuwenhoek Ziekenhuis, Amsterdam, The Netherlands
| | - Christian U Blank
- Division of Molecular Oncology and Immunology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Medical Oncology Department, Netherlands Cancer Institute-Antoni van Leeuwenhoek Ziekenhuis, Amsterdam, The Netherlands
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33
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Brčić L, Barić A, Gračan S, Brekalo M, Kaličanin D, Gunjača I, Torlak Lovrić V, Tokić S, Radman M, Škrabić V, Miljković A, Kolčić I, Štefanić M, Glavaš-Obrovac L, Lessel D, Polašek O, Zemunik T, Barbalić M, Punda A, Boraska Perica V. Genome-wide association analysis suggests novel loci for Hashimoto's thyroiditis. J Endocrinol Invest 2019; 42:567-576. [PMID: 30284222 DOI: 10.1007/s40618-018-0955-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 09/18/2018] [Indexed: 12/20/2022]
Abstract
PURPOSE Hashimoto's thyroiditis (HT) is the most common form of autoimmune thyroid diseases. Current knowledge of HT genetics is limited, and not a single genome-wide association study (GWAS) focusing exclusively on HT has been performed to date. In order to decipher genetic determinants of HT, we performed the first GWAS followed by replication in a total of 1443 individuals from Croatia. METHODS We performed association analysis in a discovery cohort comprising 405 cases and 433 controls. We followed up 13 independent signals (P < 10-5) in 303 cases and 302 controls from two replication cohorts and then meta-analyzed results across discovery and replication datasets. RESULTS We identified three variants suggestively associated with HT: rs12944194 located 206 kb from SDK2 (P = 1.8 × 10-6), rs75201096 inside GNA14 (P = 2.41 × 10-5) and rs791903 inside IP6K3 (P = 3.16 × 10-5). Genetic risk score (GRS), calculated using risk alleles of these loci, accounted for 4.82% of the total HT variance, and individuals from the top GRS quartile had 2.76 times higher odds for HT than individuals from the lowest GRS quartile. CONCLUSIONS Although discovered loci are implicated with susceptibility to HT for the first time, genomic regions harboring these loci exhibit good biological candidacy due to involvement in the regulation of the thyroid function and autoimmunity. Additionally, we observe genetic overlap between HT and several related traits, such as hypothyroidism, Graves' disease and TPOAb. Our study adds a new knowledge of underlying HT genetics and sets a firm basis for further research.
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Affiliation(s)
- L Brčić
- Department of Medical Biology, School of Medicine, University of Split, Šoltanska 2, 21000, Split, Croatia
| | - A Barić
- Department of Nuclear Medicine, University Hospital Split, Split, Croatia
| | - S Gračan
- Department of Nuclear Medicine, University Hospital Split, Split, Croatia
| | - M Brekalo
- Department of Nuclear Medicine, University Hospital Split, Split, Croatia
| | - D Kaličanin
- Department of Medical Biology, School of Medicine, University of Split, Šoltanska 2, 21000, Split, Croatia
| | - I Gunjača
- Department of Medical Biology, School of Medicine, University of Split, Šoltanska 2, 21000, Split, Croatia
| | - V Torlak Lovrić
- Department of Nuclear Medicine, University Hospital Split, Split, Croatia
| | - S Tokić
- Department of Medical Chemistry, Biochemistry and Clinical Chemistry, Faculty of Medicine, University of Osijek, Osijek, Croatia
| | - M Radman
- Department of Nuclear Medicine, University Hospital Split, Split, Croatia
| | - V Škrabić
- Department of Pediatrics, University Hospital Split, Split, Croatia
| | - A Miljković
- Department of Public Health, School of Medicine, University of Split, Split, Croatia
| | - I Kolčić
- Department of Public Health, School of Medicine, University of Split, Split, Croatia
| | - M Štefanić
- Department of Nuclear Medicine and Oncology, Faculty of Medicine, University of Osijek, Osijek, Croatia
| | - L Glavaš-Obrovac
- Department of Medical Chemistry, Biochemistry and Clinical Chemistry, Faculty of Medicine, University of Osijek, Osijek, Croatia
| | - D Lessel
- Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - O Polašek
- Department of Public Health, School of Medicine, University of Split, Split, Croatia
| | - T Zemunik
- Department of Medical Biology, School of Medicine, University of Split, Šoltanska 2, 21000, Split, Croatia
| | - M Barbalić
- Department of Medical Biology, School of Medicine, University of Split, Šoltanska 2, 21000, Split, Croatia
| | - A Punda
- Department of Nuclear Medicine, University Hospital Split, Split, Croatia
| | - V Boraska Perica
- Department of Medical Biology, School of Medicine, University of Split, Šoltanska 2, 21000, Split, Croatia.
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Smith TJ, Janssen JAMJL. Insulin-like Growth Factor-I Receptor and Thyroid-Associated Ophthalmopathy. Endocr Rev 2019; 40:236-267. [PMID: 30215690 PMCID: PMC6338478 DOI: 10.1210/er.2018-00066] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 06/21/2018] [Indexed: 12/15/2022]
Abstract
Thyroid-associated ophthalmopathy (TAO) is a complex disease process presumed to emerge from autoimmunity occurring in the thyroid gland, most frequently in Graves disease (GD). It is disfiguring and potentially blinding, culminating in orbital tissue remodeling and disruption of function of structures adjacent to the eye. There are currently no medical therapies proven capable of altering the clinical outcome of TAO in randomized, placebo-controlled multicenter trials. The orbital fibroblast represents the central target for immune reactivity. Recent identification of fibroblasts that putatively originate in the bone marrow as monocyte progenitors provides a plausible explanation for why antigens, the expressions of which were once considered restricted to the thyroid, are detected in the TAO orbit. These cells, known as fibrocytes, express relatively high levels of functional TSH receptor (TSHR) through which they can be activated by TSH and the GD-specific pathogenic antibodies that underpin thyroid overactivity. Fibrocytes also express insulin-like growth factor I receptor (IGF-IR) with which TSHR forms a physical and functional signaling complex. Notably, inhibition of IGF-IR activity results in the attenuation of signaling initiated at either receptor. Some studies suggest that IGF-IR-activating antibodies are generated in GD, whereas others refute this concept. These observations served as the rationale for implementing a recently completed therapeutic trial of teprotumumab, a monoclonal inhibitory antibody targeting IGF-IR in TAO. Results of that trial in active, moderate to severe disease revealed dramatic and rapid reductions in disease activity and severity. The targeting of IGF-IR with specific biologic agents may represent a paradigm shift in the therapy of TAO.
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Affiliation(s)
- Terry J Smith
- Department of Ophthalmology and Visual Sciences, Kellogg Eye Center, and Division of Metabolism, Endocrinology, and Diabetes, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan
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Sun W, Zhang X, Wu J, Zhao W, Zhao S, Li M. Correlation of TSHR and CTLA-4 Single Nucleotide Polymorphisms with Graves Disease. Int J Genomics 2019; 2019:6982623. [PMID: 31565653 PMCID: PMC6745126 DOI: 10.1155/2019/6982623] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 05/16/2019] [Accepted: 06/17/2019] [Indexed: 02/06/2023] Open
Abstract
This study was designed to explore the association between Graves disease (GD) and thyroid-stimulating hormone receptor (TSHR) and cytotoxic T-lymphocyte-associated antigen 4 (CTLA-4) single nucleotide polymorphisms (SNPs). We studied a total of 1217 subjects from a Han population in northern Anhui province in China. Six SNPs within TSHR (rs179247, rs12101261, rs2284722, rs4903964, rs2300525, and rs17111394) and four SNPs within CTLA-4 (rs10197319, rs231726, rs231804, and rs1024161) were genotyped via a Taqman probe technique using a Fluidigm EP1 platform. The TSHR alleles rs179247-G, rs12101261-C, and rs4903964-G were negatively correlated with GD, whereas the rs2284722-A and rs17111394-C alleles were positively correlated with GD. Analyzing TSHR SNPs at rs179247, rs2284722, rs12101261, and rs4903964 yielded 8 different haplotypes. There were positive correlations between GD risk and the haplotypes AGTA and AATA (OR = 1.27, 95%CI = 1.07-1.50, P = 0.005; OR = 1.45, 95%CI = 1.21-1.75, P < 0.001, respectively). There were negative correlations between GD risk and the haplotype GGCG (OR = 0.56, 95%CI = 0.46-0.67, P < 0.001). With respect to haplotypes based on SNPs at the TSHR rs2300525 and rs17111394 loci, the CC haplotype was positively correlated with GD risk (OR = 1.32, 95%CI = 1.08-1.60, P = 0.006). Analyzing CTLA-4 SNPs at rs231804, rs1024161, and rs231726 yielded four haplotypes, of which AAA was positively correlated with GD risk (OR = 1.21, 95%CI = 1.02-1.43, P = 0.029). Polymorphisms at rs179247, rs12101261, rs2284722, rs4903964, and rs17111394 were associated with GD susceptibility. Haplotypes of both TSHR and CTLA-4 were additionally related to GD risk.
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Affiliation(s)
- Weihua Sun
- 1Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, 250000 Shandong Province, China
- 2Department of Endocrinology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000 Anhui Province, China
| | - Xiaomei Zhang
- 2Department of Endocrinology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000 Anhui Province, China
| | - Jing Wu
- 2Department of Endocrinology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000 Anhui Province, China
| | - Wendi Zhao
- 2Department of Endocrinology, The First Affiliated Hospital of Bengbu Medical College, Bengbu, 233000 Anhui Province, China
| | - Shuangxia Zhao
- 3The Core Laboratory in Medical Center of Clinical Research, Department of Endocrinology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University (SJTU) School of Medicine, Shanghai 200011, China
| | - Minglong Li
- 1Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, 250000 Shandong Province, China
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Baldini E, Odorisio T, Tuccilli C, Persechino S, Sorrenti S, Catania A, Pironi D, Carbotta G, Giacomelli L, Arcieri S, Vergine M, Monti M, Ulisse S. Thyroid diseases and skin autoimmunity. Rev Endocr Metab Disord 2018; 19:311-323. [PMID: 29948572 DOI: 10.1007/s11154-018-9450-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The skin is the largest organ of the body, at the boundary with the outside environment. Primarily, it provides a physical and chemical barrier against external insults, but it can act also as immune organ because it contains a whole host of immune-competent cells of both the innate and the adaptive immune systems, which cooperate in eliminating invading pathogens following tissue injury. On the other hand, improper skin immune responses lead to autoimmune skin diseases (AISD), such as pemphigus, bullous pemphigoid, vitiligo, and alopecia. Although the interplay among genetic, epigenetic, and environmental factors has been shown to play a major role in AISD etiology and progression, the molecular mechanisms underlying disease development are far from being fully elucidated. In this context, epidemiological studies aimed at defining the association of different AISD with other autoimmune pathologies revealed possible shared molecular mechanism(s) responsible for disease progression. In particular, over the last decades, a number of reports have highlighted a significant association between thyroid diseases (TD), mainly autoimmune ones (AITD), and AISD. Here, we will recapitulate the epidemiology, clinical manifestations, and pathogenesis of the main AISD, and we will summarize the epidemiological evidence showing the associations with TD as well as possible molecular mechanism(s) underlying TD and AISD pathological manifestations.
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Affiliation(s)
- Enke Baldini
- Department of Surgical Sciences, "Sapienza" University of Rome, Viale Regina Elena, 324, 00161, Rome, Italy
| | - Teresa Odorisio
- Laboratory of Molecular and Cell Biology, Istituto Dermopatico dell'Immacolata-IRCCS, Rome, Italy
| | - Chiara Tuccilli
- Department of Surgical Sciences, "Sapienza" University of Rome, Viale Regina Elena, 324, 00161, Rome, Italy
| | | | - Salvatore Sorrenti
- Department of Surgical Sciences, "Sapienza" University of Rome, Viale Regina Elena, 324, 00161, Rome, Italy
| | - Antonio Catania
- Department of Surgical Sciences, "Sapienza" University of Rome, Viale Regina Elena, 324, 00161, Rome, Italy
| | - Daniele Pironi
- Department of Surgical Sciences, "Sapienza" University of Rome, Viale Regina Elena, 324, 00161, Rome, Italy
| | - Giovanni Carbotta
- Department of Surgical Sciences, "Sapienza" University of Rome, Viale Regina Elena, 324, 00161, Rome, Italy
| | - Laura Giacomelli
- Department of Surgical Sciences, "Sapienza" University of Rome, Viale Regina Elena, 324, 00161, Rome, Italy
| | - Stefano Arcieri
- Department of Surgical Sciences, "Sapienza" University of Rome, Viale Regina Elena, 324, 00161, Rome, Italy
| | - Massimo Vergine
- Department of Surgical Sciences, "Sapienza" University of Rome, Viale Regina Elena, 324, 00161, Rome, Italy
| | - Massimo Monti
- Department of Surgical Sciences, "Sapienza" University of Rome, Viale Regina Elena, 324, 00161, Rome, Italy
| | - Salvatore Ulisse
- Department of Surgical Sciences, "Sapienza" University of Rome, Viale Regina Elena, 324, 00161, Rome, Italy.
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37
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Song RH, Li Q, Jia X, Yao QM, Wang B, Zhang JA. Polymorphisms of FAM167A-BLK Region Confer Risk of Autoimmune Thyroid Disease. DNA Cell Biol 2018; 37:932-940. [PMID: 30351170 DOI: 10.1089/dna.2018.4344] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Affiliation(s)
- Rong-hua Song
- Department of Endocrinology, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
| | - Qian Li
- Department of Endocrinology, Jinshan Hospital of Fudan University, Shanghai, China
| | - Xi Jia
- Department of Endocrinology, Jinshan Hospital of Fudan University, Shanghai, China
| | - Qiu-ming Yao
- Department of Endocrinology, Jinshan Hospital of Fudan University, Shanghai, China
| | - Bin Wang
- Department of Endocrinology, Jinshan Hospital of Fudan University, Shanghai, China
| | - Jin-an Zhang
- Department of Endocrinology, Shanghai University of Medicine & Health Sciences Affiliated Zhoupu Hospital, Shanghai, China
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38
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Barić A, Brčić L, Gračan S, Škrabić V, Brekalo M, Šimunac M, Lovrić VT, Anić I, Barbalić M, Zemunik T, Punda A, Boraska Perica V. Thyroglobulin Antibodies are Associated with Symptom Burden in Patients with Hashimoto's Thyroiditis: A Cross-Sectional Study. Immunol Invest 2018; 48:198-209. [PMID: 30332318 DOI: 10.1080/08820139.2018.1529040] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND Hashimoto's thyroiditis (HT) is the most common form of autoimmune thyroid disorders characterized by lower production of thyroid hormones and positivity to autoantibodies to thyroglobulin (TgAb) and/or thyroid peroxidase (TPOAb). We performed a comprehensive phenotypic characterization of patients with HT, with specific focus on thyroid autoimmunity, to get better understanding of disease manifestation. METHODS We collected information on thyroid-specific phenotypes (TSH, T3, T4, fT4, TgAb, TPOAb, thyroid volume) and other clinical phenotypes (age, body surface area, number of hypothyroidism symptoms, blood pressure) from 290 patients with HT without levothyroxine (LT4) therapy with the aim to test for correlations between thyroid-specific and clinical phenotypes. RESULTS Our key and novel finding is the existence of significant positive correlation between TgAb levels and the number of symptoms (r = 0.25, p = 0.0001) in HT patients without LT4 therapy that remained significant after adjustment for TPOAb, T3, TSH levels and thyroid volume (β = 0.66, SE = 0.3, p = 0.0299). Increased TgAb levels are significantly associated with fragile hair (p = 0.0043), face edema (p = 0.0061), edema of the eyes (p = 0.0293) and harsh voice (p = 0.0349). CONCLUSIONS Elevated TgAb levels are associated with symptom burden in HT patients, suggesting a role of thyroid autoimmunity in clinical manifestations of HT. Based on these results, we recommend screening for TgAb antibodies in HT patients with symptom burden. We also suggest that further work on understandings of symptoms appearance due to their autoimmune or hypothyroid causation is needed.
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Affiliation(s)
- Ana Barić
- a Department of Nuclear Medicine , University Hospital Split , Split , Croatia
| | - Luka Brčić
- b Department of Medical Biology , University of Split, School of Medicine , Split , Croatia
| | - Sanda Gračan
- a Department of Nuclear Medicine , University Hospital Split , Split , Croatia
| | - Veselin Škrabić
- c Department of Pediatrics , University Hospital Split , Split , Croatia
| | - Marko Brekalo
- a Department of Nuclear Medicine , University Hospital Split , Split , Croatia
| | - Marta Šimunac
- a Department of Nuclear Medicine , University Hospital Split , Split , Croatia
| | | | - Iva Anić
- d School of Medicine , University of Split , Split , Croatia
| | - Maja Barbalić
- b Department of Medical Biology , University of Split, School of Medicine , Split , Croatia
| | - Tatijana Zemunik
- b Department of Medical Biology , University of Split, School of Medicine , Split , Croatia
| | - Ante Punda
- a Department of Nuclear Medicine , University Hospital Split , Split , Croatia
| | - Vesna Boraska Perica
- b Department of Medical Biology , University of Split, School of Medicine , Split , Croatia
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Chen X, Hu Z, Liu M, Li H, Liang C, Li W, Bao L, Chen M, Wu G. Correlation between CTLA-4 and CD40 gene polymorphisms and their interaction in graves' disease in a Chinese Han population. BMC MEDICAL GENETICS 2018; 19:171. [PMID: 30223781 PMCID: PMC6142355 DOI: 10.1186/s12881-018-0665-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 08/14/2018] [Indexed: 11/28/2022]
Abstract
Background Single-nucleotide polymorphism (SNP) haplotype and SNP-SNP interactions of CTLA-4 and CD40 genes, with susceptibility to Graves’ disease (GD), were explored in a Chinese Han population. Methods SNP were genotyped by high resolution melting (HRM). Use the method of Pearson χ2 test and Logistic regression for the association between single SNP and Graves’ disease. Using the method of χ2 test and Multifactor Dimensionality Reduction (MDR) to analysis the haplotype frequency distribution, the interaction of SNPs respectively. Results Genotypic and allelic frequencies of SNP rs231775, rs3087243 and rs1883832 were statistically different between controls and GD (p < 0.05). Mutant allelic frequency of G rs231775 was higher, and A and T allelic frequencies of rs3087243 and rs1883832 were lower in GD than in controls (P < 0.05). In CTLA-4 rs1024161, rs5742909, rs231775, rs231777, rs231779, rs3087243 and rs11571319 showed D’ < 50% and r2 < 0.3 among each SNP. We identified six commonly found haplotypes; TCGCTGC was associated with the highest GD risk (OR = 2.565) and TCACTAC the lowest (OR = 0.096). MDR analysis indicated interactions among the rs231775 GG, rs231779 TT and rs3087243 GG genotypes in CTLA-4 might increase GD risk by 2.53-fold (OR = 2.53). Conclusion CTLA-4 and CD40 were associated with GD incidence in a Chinese Han population. The TCGCTGC and TCACTAC haplotypes in the CTLA-4 gene, were risk and protective factors for Graves’disease respectively. Interactions among the SNPs of rs231775, rs231779 and rs3087243 significantly increase the susceptibility to GD.
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Affiliation(s)
- Xiaoming Chen
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Zhuoqing Hu
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Meilian Liu
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Huaqian Li
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Chanbo Liang
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Wei Li
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Liwen Bao
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Manyang Chen
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China
| | - Ge Wu
- Department of Endocrinology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, 524001, China.
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40
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Graves' disease: Introduction, epidemiology, endogenous and environmental pathogenic factors. ANNALES D'ENDOCRINOLOGIE 2018; 79:599-607. [PMID: 30342794 DOI: 10.1016/j.ando.2018.09.002] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Graves' disease is the most frequent cause of hyperthyroidism. Many questions remain about the choice of diagnostic evaluations and treatment strategy according to clinical context (age, gender, pregnancy, etc.) and about the best management of the main extrathyroidal complication that is Graves orbitopathy. The exact pathogenic mechanisms are not fully clear. They associate genetic factors, interactions between endogenous and environmental factors, and immune system dysregulation. Graves' orbitopathy is one of the consequences of this partial understanding. Iatrogenic Graves' disease induced by the new targeted therapies are described and could help to better understand the molecular pathways involved in the disease and to develop new therapeutic approaches.
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41
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Sjögren’s Syndrome and Autoimmune Thyroid Disease: Two Sides of the Same Coin. Clin Rev Allergy Immunol 2018; 56:362-374. [DOI: 10.1007/s12016-018-8709-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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42
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Hwangbo Y, Park YJ. Genome-Wide Association Studies of Autoimmune Thyroid Diseases, Thyroid Function, and Thyroid Cancer. Endocrinol Metab (Seoul) 2018; 33:175-184. [PMID: 29947174 PMCID: PMC6021314 DOI: 10.3803/enm.2018.33.2.175] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 05/08/2018] [Accepted: 05/14/2018] [Indexed: 12/16/2022] Open
Abstract
Thyroid diseases, including autoimmune thyroid diseases and thyroid cancer, are known to have high heritability. Family and twin studies have indicated that genetics plays a major role in the development of thyroid diseases. Thyroid function, represented by thyroid stimulating hormone (TSH) and free thyroxine (T4), is also known to be partly genetically determined. Before the era of genome-wide association studies (GWAS), the ability to identify genes responsible for susceptibility to thyroid disease was limited. Over the past decade, GWAS have been used to identify genes involved in many complex diseases, including various phenotypes of the thyroid gland. In GWAS of autoimmune thyroid diseases, many susceptibility loci associated with autoimmunity (human leukocyte antigen [HLA], protein tyrosine phosphatase, non-receptor type 22 [PTPN22], cytotoxic T-lymphocyte associated protein 4 [CTLA4], and interleukin 2 receptor subunit alpha [IL2RA]) or thyroid-specific genes (thyroid stimulating hormone receptor [TSHR] and forkhead box E1 [FOXE1]) have been identified. Regarding thyroid function, many susceptibility loci for levels of TSH and free T4 have been identified through genome-wide analyses. In GWAS of differentiated thyroid cancer, associations at FOXE1, MAP3K12 binding inhibitory protein 1 (MBIP)-NK2 homeobox 1 (NKX2-1), disrupted in renal carcinoma 3 (DIRC3), neuregulin 1 (NRG1), and pecanex-like 2 (PCNXL2) have been commonly identified in people of European and Korean ancestry, and many other susceptibility loci have been found in specific populations. Through GWAS of various thyroid-related phenotypes, many susceptibility loci have been found, providing insights into the pathogenesis of thyroid diseases and disease co-clustering within families and individuals.
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Affiliation(s)
- Yul Hwangbo
- Center for Thyroid Cancer, National Cancer Center, Goyang, Korea
| | - Young Joo Park
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.
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43
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Brčić L, Gračan S, Barić A, Gunjača I, Torlak Lovrić V, Kolčić I, Zemunik T, Polašek O, Barbalić M, Punda A, Boraska Perica V. Association of Established Thyroid-stimulating Hormone and Free Thyroxine Genetic Variants with Hashimoto's Thyroiditis. Immunol Invest 2018; 46:625-638. [PMID: 28753406 DOI: 10.1080/08820139.2017.1337785] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Hashimoto's thyroiditis (HT), the most frequent autoimmune thyroid disease (AITD), is characterized by chronic inflammation of the thyroid gland that usually results in hypothyroidism. Thyroid-stimulating hormone (TSH) and free thyroxine (FT4) levels are used as clinical determinants of thyroid function. The main aim of this study was to explore the association of established TSH and FT4 genetic variants with HT. We performed a case-control analysis using 23 genetic markers in 200 HT patients and 304 controls. Additionally, we tested the association of selected variants with several thyroid-related quantitative traits in HT cases only. Two genetic variants showed nominal association with HT: rs11935941 near NR3C2 gene (p = 0.0034, OR = 0.57, 95% CI = 0.39-0.83) and rs1537424 near MBIP gene (p = 0.0169, OR = 0.72, 95% CI = 0.55-0.94). Additionally, three SNPs showed nominal association with thyroglobulin antibody (TgAb) levels: rs4804416 in INSR gene (p = 0.0073, β = -0.51), rs6435953 near IGFBP5 gene (p = 0.0081, β = 0.75), and rs1537424 near MBIP gene (p = 0.0117, β = 0.49). GLIS3 genetic variant rs10974423 showed nominal association with thyroid peroxidase antibody (TPOAb) levels (p = 0.0465, β = -0.56) and NRG1 genetic variant rs7825175 was nominally associated with thyroid gland volume (p = 0.0272, β = -0.18). All detected loci were previously related to thyroid function or pathology. Findings from our study suggest biological relevance of NR3C2 and MBIP with HT, although these loci require additional confirmation in a larger replication study.
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Affiliation(s)
- Luka Brčić
- a Department of Medical Biology , University of Split, School of Medicine , Split , Croatia
| | - Sanda Gračan
- b Department of Nuclear Medicine , University Hospital Split , Split , Croatia
| | - Ana Barić
- b Department of Nuclear Medicine , University Hospital Split , Split , Croatia
| | - Ivana Gunjača
- a Department of Medical Biology , University of Split, School of Medicine , Split , Croatia
| | | | - Ivana Kolčić
- c Department of Epidemiology , University of Split, School of Medicine , Split , Croatia
| | - Tatijana Zemunik
- a Department of Medical Biology , University of Split, School of Medicine , Split , Croatia
| | - Ozren Polašek
- c Department of Epidemiology , University of Split, School of Medicine , Split , Croatia
| | - Maja Barbalić
- a Department of Medical Biology , University of Split, School of Medicine , Split , Croatia
| | - Ante Punda
- b Department of Nuclear Medicine , University Hospital Split , Split , Croatia
| | - Vesna Boraska Perica
- a Department of Medical Biology , University of Split, School of Medicine , Split , Croatia
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44
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Perga S, Martire S, Montarolo F, Giordani I, Spadaro M, Bono G, Corvisieri S, Messuti I, Panzica G, Orlandi F, Bertolotto A. The Footprints of Poly-Autoimmunity: Evidence for Common Biological Factors Involved in Multiple Sclerosis and Hashimoto's Thyroiditis. Front Immunol 2018. [PMID: 29527211 PMCID: PMC5829620 DOI: 10.3389/fimmu.2018.00311] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Autoimmune diseases are a diverse group of chronic disorders and affect a multitude of organs and systems. However, the existence of common pathophysiological mechanisms is hypothesized and reports of shared risk are emerging as well. In this regard, patients with multiple sclerosis (MS) have been shown to have an increased susceptibility to develop chronic autoimmune thyroid diseases, in particular Hashimoto's thyroiditis (HT), suggesting an autoimmune predisposition. However, studies comparing such different pathologies of autoimmune origin are still missing till date. In the present study, we sought to investigate mechanisms which may lead to the frequent coexistence of MS and HT by analyzing several factors related to the pathogenesis of MS and HT in patients affected by one or both diseases, as well as in healthy donors. In particular, we analyzed peripheral blood mononuclear cell gene-expression levels of common candidate genes such as TNFAIP3, NR4A family, BACH2, FOXP3, and PDCD5, in addition to the regulatory T cell (Treg) percentage and the 25-hydroxy vitamin D serum levels. Our findings support the plausibility of the existence of common deregulated mechanisms shared by MS and HT, such as BACH2/PDCD5-FOXP3 pathways and Tregs. Although the biological implications of these data need to be further investigated, we have highlighted the relevance of studies comparing different autoimmune pathologies for the understanding of the core concepts of autoimmunity.
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Affiliation(s)
- Simona Perga
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano, Turin, Italy.,Regional Reference Centre for Multiple Sclerosis (CReSM), University Hospital S. Luigi Gonzaga, Orbassano, Turin, Italy.,Department of Neuroscience Rita Levi Montalcini, University of Turin, Turin, Italy
| | - Serena Martire
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano, Turin, Italy.,Regional Reference Centre for Multiple Sclerosis (CReSM), University Hospital S. Luigi Gonzaga, Orbassano, Turin, Italy
| | - Francesca Montarolo
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano, Turin, Italy.,Regional Reference Centre for Multiple Sclerosis (CReSM), University Hospital S. Luigi Gonzaga, Orbassano, Turin, Italy.,Department of Neuroscience Rita Levi Montalcini, University of Turin, Turin, Italy
| | - Ilaria Giordani
- SCDU Endocrinology and Metabolism, Humanitas Gradenigo Hospital, Department of Oncology, University of Turin, Turin, Italy
| | - Michela Spadaro
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano, Turin, Italy.,Regional Reference Centre for Multiple Sclerosis (CReSM), University Hospital S. Luigi Gonzaga, Orbassano, Turin, Italy
| | - Gabriele Bono
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano, Turin, Italy.,Regional Reference Centre for Multiple Sclerosis (CReSM), University Hospital S. Luigi Gonzaga, Orbassano, Turin, Italy
| | - Stefania Corvisieri
- SCDU Endocrinology and Metabolism, Humanitas Gradenigo Hospital, Department of Oncology, University of Turin, Turin, Italy
| | - Ilaria Messuti
- SCDU Endocrinology and Metabolism, Humanitas Gradenigo Hospital, Department of Oncology, University of Turin, Turin, Italy
| | - Giancarlo Panzica
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano, Turin, Italy.,Department of Neuroscience Rita Levi Montalcini, University of Turin, Turin, Italy
| | - Fabio Orlandi
- SCDU Endocrinology and Metabolism, Humanitas Gradenigo Hospital, Department of Oncology, University of Turin, Turin, Italy
| | - Antonio Bertolotto
- Neuroscience Institute Cavalieri Ottolenghi (NICO), Orbassano, Turin, Italy.,Regional Reference Centre for Multiple Sclerosis (CReSM), University Hospital S. Luigi Gonzaga, Orbassano, Turin, Italy
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45
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Gao XR, Yu YG. Meta-Analysis of the Association between Vitamin D Receptor Polymorphisms and the Risk of Autoimmune Thyroid Disease. Int J Endocrinol 2018; 2018:2846943. [PMID: 29765404 PMCID: PMC5885334 DOI: 10.1155/2018/2846943] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Revised: 12/01/2017] [Accepted: 12/17/2017] [Indexed: 01/20/2023] Open
Abstract
The association between vitamin D receptor (VDR) polymorphisms (rs731236, rs1544410, rs2228570, and rs7975232) and the risk of autoimmune thyroid disease (AITD) had been investigated in previous studies. However, the results of these studies remained controversial. Thus, a meta-analysis was performed to derive a more precise conclusion. All related articles were systematically searched by PubMed, Embase, Google Scholar, and Chinese National Knowledge Infrastructure (CNKI). The pooled odds ratios (ORs) with 95% confidence intervals (CIs) were calculated to assess the strength of association. The overall results indicated that VDR rs731236 and rs2228570 polymorphisms were significantly associated with a reduced risk of AITD. However, a stratification analysis based on clinical types showed that VDR rs731236 and rs2228570 polymorphisms were associated only with a reduced risk of HT. A stratification analysis by ethnicity showed that VDR rs731236 polymorphism was significantly associated with a reduced risk of AITD in Asian and African populations. VDR rs2228570 polymorphism was associated with a reduced risk of AITD in Asian populations. VDR rs1544410 polymorphism was associated with a reduced risk of AITD in European and African populations, but with an increased risk of AITD in Asian populations. VDR rs7975232 polymorphism was significantly associated with an increased risk of AITD in African populations. In conclusion, the present study suggested that VDR rs731236, rs1544410, rs2228570, and rs7975232 polymorphisms were significantly associated with AITD risk. However, more well-designed studies should be performed to verify the current results.
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Affiliation(s)
- Xue-Ren Gao
- Department of Pediatric Endocrinology/Genetics, Shanghai Institute for Pediatric Research, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China
| | - Yong-Guo Yu
- Department of Pediatric Endocrinology/Genetics, Shanghai Institute for Pediatric Research, Xinhua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200092, China
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46
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Yuan J, Sun C, Jiang S, Lu Y, Zhang Y, Gao XH, Wu Y, Chen HD. The Prevalence of Thyroid Disorders in Patients With Vitiligo: A Systematic Review and Meta-Analysis. Front Endocrinol (Lausanne) 2018; 9:803. [PMID: 30697190 PMCID: PMC6340922 DOI: 10.3389/fendo.2018.00803] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Accepted: 12/20/2018] [Indexed: 11/24/2022] Open
Abstract
Background: Associations between vitiligo and thyroid disorders have been suggested, However, the prevalence of thyroid disorders in vitiligo vary widely. Purpose: To conduct a systematic review and meta-analysis assessing the prevalence of thyroid disorders in patients with vitiligo. Method: The PubMed, Cochrane Library, EMBASE, CNKI (China National Knowledge Infrastructure), Chongqing VIP database, and Wanfang database from inception to August 2, 2018 were systematically searched. The pooled prevalence and its 95% confidence interval (CI) were calculated. Results: A total of 77 eligible studies were identified and included, published from 1968 to 2018. Six thyroid disorders including subclinical hyperthyroidism, overt hyperthyroidism, subclinical hypothyroidism, overt hypothyroidism, Graves disease, and Hashimoto thyroiditis were described. The numbers of relative studies were 54 in overt hypothyroidism, 50 in overt hyperthyroidism, 25 in subclinical hypothyroidism, 19 in Hashimoto thyroiditis, 16 in Graves disease, and 10 in subclinical hyperthyroidism. The highest prevalence was 0.06 (95% CI: 0.04-0.07) in subclinical hypothyroidism, and the lowest was 0.01 in subclinical hyperthyroidism (95% CI: 0.00-0.01) or Graves disease (95% CI: 0.01-0.02). Conclusion: Six thyroid disorders showed various prevalence in vitiligo. The highest prevalence was in subclinical hypothyroidism, and the lowest was in subclinical hyperthyroidism or Graves disease. Screening vitiligo patients for thyroid disorders seem plausible, in an effort to detect potential thyroid diseases or to assess the risk of future onset.
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47
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Watanabe M, Takenaka Y, Honda C, Iwatani Y. Genotype-Based Epigenetic Differences in Monozygotic Twins Discordant for Positive Antithyroglobulin Autoantibodies. Thyroid 2018; 28:110-123. [PMID: 29105599 DOI: 10.1089/thy.2017.0273] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Background: Epigenetic factors associated with the development of autoimmune diseases are unclear. Monozygotic twin pairs discordant for positive antithyroglobulin autoantibodies (TgAb) are useful to examine the epigenetic factors because of their identical genetic background. This study aimed to clarify the discordant epigenetic differences affecting the development of TgAb. Methods: Subjects were selected from 257 Japanese monozygotic twins, recruited from the registry established by the Center for Twin Research at Osaka University. TgAb positive concordant (PC) pairs were 5.7% (four pairs) and 9.6% (18 pairs) of male and female pairs, respectively. TgAb discordant (DC) pairs were 11.4% (eight pairs) and 8.0% (15 pairs) of male and female pairs, respectively. TgAb negative concordant (NC) pairs were 78.6% (55 pairs) of male pairs and 74.3% (139 pairs) of female pairs. To perform stricter grouping, the cut-off value for positive TgAb was set to 50.0 IU/mL (TgAb negative: <28.0 IU/mL; TgAb positive: ≥50.0 IU/mL; TgAb borderline: ≥28.0 IU/mL and <50.0 IU/mL). Nineteen discordant (6 male and 13 female pairs) and 185 concordant pairs (48 male and 137 female pairs) for TgAb positivity were finally examined. DNA methylation levels of genomic DNA were evaluated using the Infinium HumanMethylation450 BeadChip Kit. Gene polymorphisms were also genotyped using the Omni5-4 BeadChip Kit to clarify genetic background specific for discordant twins. Results: No CpG sites were found with significant within-pair differences of methylation levels in TgAb DC pairs after correction for multiple comparisons. However, 155 polymorphisms specific for TgAb DC pairs were significantly different in genotype frequencies from those of concordant pairs, and none of them were located on the HLA region of chromosome 6. In TgAb DC pairs with some specific genotypes of these polymorphisms, four CpG sites were observed exhibiting significant within-pair differences in each DC pair, even after correction for multiple comparisons. Conclusions: This study found that the genetic background specific for TgAb DC twins who are susceptible to epigenetic changes are different from that specific for TgAb PC twins, and it clarified the genotype-based epigenetic differences in TgAb DC monozygotic twins.
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Affiliation(s)
- Mikio Watanabe
- Department of Biomedical Informatics, Osaka University Graduate School of Medicine, Osaka, Japan
- Center for Twin Research, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yoichi Takenaka
- Center for Twin Research, Osaka University Graduate School of Medicine, Osaka, Japan
- Department of Bioinformatic Engineering, Osaka University Graduate School of Information Science and Technology, Osaka, Japan
| | - Chika Honda
- Center for Twin Research, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yoshinori Iwatani
- Department of Biomedical Informatics, Osaka University Graduate School of Medicine, Osaka, Japan
- Center for Twin Research, Osaka University Graduate School of Medicine, Osaka, Japan
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48
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Barić A, Brčić L, Gračan S, Torlak Lovrić V, Gunjača I, Šimunac M, Brekalo M, Boban M, Polašek O, Barbalić M, Zemunik T, Punda A, Boraska Perica V. Association of established hypothyroidism-associated genetic variants with Hashimoto's thyroiditis. J Endocrinol Invest 2017; 40:1061-1067. [PMID: 28382505 DOI: 10.1007/s40618-017-0660-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 03/21/2017] [Indexed: 12/26/2022]
Abstract
PURPOSE Hashimoto's thyroiditis (HT) as a chronic autoimmune disease of the thyroid gland is the most common cause of hypothyroidism. Since HT and hypothyroidism are closely related, the main aim of this study was to explore the association of established hypothyroidism single-nucleotide polymorphisms (SNPs) with HT. METHODS The case-control dataset included 200 HT cases and 304 controls. Diagnosis of HT cases was based on clinical examination, measurement of thyroid antibodies (TgAb, TPOAb), hormones (TSH and FT4) and ultrasound examination. We genotyped and analysed 11 known hypothyroidism-associated genetic variants. Case-control association analysis was performed in order to test each SNP for the association with HT using logistic regression model. Additionally, each SNP was tested for the association with thyroid-related quantitative traits (TPOAb levels, TgAb levels and thyroid volume) in HT cases only using linear regression. RESULTS We identified two genetic variants nominally associated with HT rs3184504 in SH2B3 gene (P = 0.0135, OR = 0.74, 95% CI = 0.57-0.95) and rs4704397 in PDE8B gene (P = 0.0383, OR = 1.32, 95% CI = 1.01-1.74). The SH2B3 genetic variant also showed nominal association with TPOAb levels (P = 0.0163, β = -0.46) and rs4979402 inside DFNB31 gene was nominally associated with TgAb levels (P = 0.0443, β = 0.41). CONCLUSIONS SH2B3 gene has previously been associated with susceptibility to several autoimmune diseases, whereas PDE8B has been associated with TSH levels and suggested to modulate thyroid physiology that may influence the manifestation of thyroid disease. Identified loci are novel and biologically plausible candidates for HT development and represent good basis for further exploration of HT susceptibility.
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Affiliation(s)
- A Barić
- Department of Nuclear Medicine, University Hospital Split, Split, Croatia
| | - L Brčić
- Department of Medical Biology, School of Medicine, University of Split, Split, Croatia
| | - S Gračan
- Department of Nuclear Medicine, University Hospital Split, Split, Croatia
| | - V Torlak Lovrić
- Department of Nuclear Medicine, University Hospital Split, Split, Croatia
| | - I Gunjača
- Department of Medical Biology, School of Medicine, University of Split, Split, Croatia
| | - M Šimunac
- Department of Nuclear Medicine, University Hospital Split, Split, Croatia
| | - M Brekalo
- Department of Nuclear Medicine, University Hospital Split, Split, Croatia
| | - M Boban
- Department of Pharmacology, School of Medicine, University of Split, Split, Croatia
| | - O Polašek
- Department of Public Health, School of Medicine, University of Split, Split, Croatia
| | - M Barbalić
- Department of Medical Biology, School of Medicine, University of Split, Split, Croatia
| | - T Zemunik
- Department of Medical Biology, School of Medicine, University of Split, Split, Croatia
| | - A Punda
- Department of Nuclear Medicine, University Hospital Split, Split, Croatia
| | - V Boraska Perica
- Department of Medical Biology, School of Medicine, University of Split, Split, Croatia.
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49
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Minamitani K, Sato H, Ohye H, Harada S, Arisaka O. Guidelines for the treatment of childhood-onset Graves' disease in Japan, 2016. Clin Pediatr Endocrinol 2017; 26:29-62. [PMID: 28458457 PMCID: PMC5402306 DOI: 10.1297/cpe.26.29] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Accepted: 12/02/2016] [Indexed: 12/12/2022] Open
Abstract
Purpose behind developing these guidelines: Over one decade ago, the “Guidelines for the
Treatment of Graves’ Disease with Antithyroid Drug, 2006” (Japan Thyroid Association
(JTA)) were published as the standard drug therapy protocol for Graves’ disease. The
“Guidelines for the Treatment of Childhood-Onset Graves’ Disease with Antithyroid Drug in
Japan, 2008” were published to provide guidance on the treatment of pediatric patients.
Based on new evidence, a revised version of the “Guidelines for the Treatment of Graves’
Disease with Antithyroid Drug, 2006” (JTA) was published in 2011, combined with the
“Handbook of Radioiodine Therapy for Graves’ Disease 2007” (JTA). Subsequently, newer
findings on pediatric Graves’ disease have been reported. Propylthiouracil (PTU)-induced
serious hepatopathy is an important problem in pediatric patients. The American Thyroid
Association’s guidelines suggest that, in principle, physicians must not administer PTU to
children. On the other hand, the “Guidelines for the Treatment of Graves’ Disease with
Antithyroid Drug, 2011” (JTA) state that radioiodine therapy is no longer considered a
“fundamental contraindication” in children. Therefore, the “Guidelines for the Treatment
of Childhood-Onset Graves’ Disease with Antithyroid Drug in Japan, 2008” required
revision.
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Affiliation(s)
| | - Kanshi Minamitani
- Department of Pediatrics, Teikyo University Chiba Medical Center, Chiba, Japan
| | | | - Hidemi Ohye
- Department of Internal Medicine, Ito Hospital, Tokyo, Japan
| | - Shohei Harada
- Division of Neonatal Screening, National Center for Child Health and Development, Tokyo, Japan
| | - Osamu Arisaka
- Department of Pediatrics, Dokkyo Medical University, Tochigi, Japan
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50
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Kallel-Bouattour R, Belguith-Maalej S, Zouari-Bradai E, Mnif M, Abid M, Hadj Kacem H. Intronic variants of SLC26A4 gene enhance splicing efficiency in hybrid minigene assay. Gene 2017; 620:10-14. [PMID: 28389359 DOI: 10.1016/j.gene.2017.03.043] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 03/19/2017] [Accepted: 03/31/2017] [Indexed: 12/14/2022]
Abstract
The SLC26A4 genomic sequence screening in autoimmune thyroid diseases (AITD) revealed different variants types with possible pathogenic effects. Although intronic variants may have more detrimental effects than those coding, they are poorly explored. Thus, in a first assessment, our bioinformatics analysis of intronic variants predicted a pathogenic effect of c.1002-9A>C, c.1545-5T>G and c.1544+9C>T variants. Validating these variants pathogenicity may provide new clues on the AITD physiopathology. Variants were explored in a general population by PCR-RFLP. These variants effects on the mRNA processing was assessed using functional splicing assay based in DNA hybrid minigene in HeLa cell lines. The constructs splicing efficiency was investigated by real time PCR. Our results revealed that c.1002-9A>C is a rare allele (minor frequency allele (MFA)=0.007) whereas c.1545-5T>G and c.1544+9C>T are low frequency variants. The RT-PCR analysis showed that these variants did not affect the mRNA processing. However, quantifying the transcripts generated from minigene constructs proved an mRNA splicing enhancement. Our study suggests a pathogenic effect of three intronic variants on the mRNA splicing efficiency using a DNA Hybrid minigene. By quantifying these transcripts, we unveil the limit of standard RT-PCR in analyzing a splicing minigene assay.
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Affiliation(s)
- Rihab Kallel-Bouattour
- Laboratoire Procédés de Criblage Moléculaire et Cellulaire, Centre Biotechnologie de Sfax, Tunisia
| | - Salima Belguith-Maalej
- Laboratoire Procédés de Criblage Moléculaire et Cellulaire, Centre Biotechnologie de Sfax, Tunisia
| | - Emna Zouari-Bradai
- Laboratoire Procédés de Criblage Moléculaire et Cellulaire, Centre Biotechnologie de Sfax, Tunisia
| | - Mouna Mnif
- Service d'Endocrinologie, CHU, Hédi Chaker, Sfax, Tunisia
| | - Mohamed Abid
- Service d'Endocrinologie, CHU, Hédi Chaker, Sfax, Tunisia
| | - Hassen Hadj Kacem
- Laboratoire Procédés de Criblage Moléculaire et Cellulaire, Centre Biotechnologie de Sfax, Tunisia; Department of Applied Biology, College of Sciences, University of Sharjah, United Arab Emirates.
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