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Louthrenoo W, Kasitanon N, Wongthanee A, Kuwata S, Takeuchi F. CTLA-4 polymorphisms in Thai patients with rheumatoid arthritis, systemic lupus erythematosus, and systemic sclerosis. Int J Rheum Dis 2021; 24:1378-1385. [PMID: 34533895 DOI: 10.1111/1756-185x.14219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 09/06/2021] [Accepted: 09/08/2021] [Indexed: 11/30/2022]
Abstract
AIMS Studies on polymorphisms of the cytotoxic T lymphocytes associated antigen-4 (CTLA-4) genes in rheumatic disease patients are limited in Southeast Asia. This pilot study aimed to determine CTLA-4 polymorphisms in Thai patients with rheumatoid arthritis (RA), systemic lupus erythematosus (SLE) and systemic sclerosis (SSc), and correlate them with serology. METHOD One-hundred RA, 70 SLE and 50 SSc patients, and 99 healthy controls (HCs) were included in this study. Polymorphisms of the CTLA-4 gene at +49A/G, -318C/T, -1661A/G and -1722T/C loci were determined by polymerase chain reaction restriction fragment length polymorphism methods. Patient serum samples were determined as follows: RA (rheumatoid factor [RF] and anticyclic citrullinated peptide [anti-CCP]), SLE (antinuclear antibodies [ANA], anti-double-stranded DNA [anti-dsDNA], anti-Smith [anti-Sm], anti-ribonucleoprotein [anti-RNP], and anti-Sjögren's syndrome antigen A [SSA]), and SSc (ANA, anti-RNP, anti-SSA, anti-topoisomerase-1 [anti-Scl70], and anti-centromere antibodies [ACA]). RESULTS Among the 4 loci studied (+49A/G, -318C/T, -1661A/G and -1722T/C) only the A allele frequency at the +49A/G was significantly higher in the RA patients than their HCs (47.25% vs 35.86%, P = .029, odds ratio [OR] 1.60; 95% CI 1.04-2.47). It also was significantly higher in the subgroup of RA patients with positive RF and anti-CCP than their HCs (47.50% vs 35.86%, P = .020, OR 1.62; 95% CI 1.06-2.47 and 48.89% vs 35.86%, P = .012, OR 1.71; 95% CI 1.11-2.64, respectively). No polymorphisms at these 4 loci were observed in SLE or SSc patients. CONCLUSION The A allele at +49A/G locus of the CTLA-4 gene was associated with RA in Thais.
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Affiliation(s)
- Worawit Louthrenoo
- Division of Rheumatology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Nuntana Kasitanon
- Division of Rheumatology, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Antika Wongthanee
- Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Shoji Kuwata
- Kidney and Dialysis Center, Goi Hospital, Goi, Japan
| | - Fujio Takeuchi
- School of Pharmacological Sciences, University of Shizuoka, Shizuoka, Japan
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Bansal A, Tasnim S, Gupta MD, Mp G, Batra V, Kohli S, Tyagi S, Pasha MAQ. Susceptibility of CTLA-4 -1661A/G polymorphism towards severity of rheumatic heart disease. Indian Heart J 2021; 73:511-515. [PMID: 34474769 PMCID: PMC8424281 DOI: 10.1016/j.ihj.2021.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 05/03/2021] [Accepted: 05/30/2021] [Indexed: 11/26/2022] Open
Abstract
AIM Genetic contribution in acute rheumatic fever (ARF)/rheumatic heart disease (RHD) has been suggested but not according to severity of the valve involvement. This study attempts to identify the relevance of CTLA-4 polymorphism with severity of the disease. METHODS In a case-control design, 291 healthy controls and 83 patients were genotyped for association between RHD and single-nucleotide polymorphisms -1661A/G of CTLA-4. RESULTS Segregation of patients on the basis of severity i.e., MVL (Mitral Valve Lesion) and CVL (Combined Valve Lesion) revealed that the frequency of CTLA-4 -1661G allele depleted as the disease progressed to CVL (p < 0.05). Patients in the age group of 31-45 years were significantly more susceptible (p < 0.046). Whereas, female patients were more susceptible than the male patients. CONCLUSION Our study suggests the risk associated with decreased frequency of CTLA-4 -1661G allele in the CVL group and in females.
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Affiliation(s)
- Ankit Bansal
- GB Pant Institute of Post Graduate Medical Education and Research, New Delhi, India
| | - Sana Tasnim
- CSIR-Institute of Genomics and Integrative Biology, Delhi, India
| | - Mohit D Gupta
- GB Pant Institute of Post Graduate Medical Education and Research, New Delhi, India.
| | - Girish Mp
- GB Pant Institute of Post Graduate Medical Education and Research, New Delhi, India
| | - Vishal Batra
- GB Pant Institute of Post Graduate Medical Education and Research, New Delhi, India
| | - Samantha Kohli
- CSIR-Institute of Genomics and Integrative Biology, Delhi, India
| | - Sanjay Tyagi
- GB Pant Institute of Post Graduate Medical Education and Research, New Delhi, India
| | - M A Qadar Pasha
- CSIR-Institute of Genomics and Integrative Biology, Delhi, India
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Kaykhaei M, Moghadam H, Dabiri S, Salimi S, Jahantigh D, Tamandani DMK, Rasouli A, Narooie-Nejad M. Association of CTLA4 (rs4553808) and PTPN22 (rs2476601) gene polymorphisms with Hashimoto's thyroiditis disease: A case-control study and an In-silico analysis. Meta Gene 2020. [DOI: 10.1016/j.mgene.2020.100693] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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Molecular analysis of CTLA4 gene in patients with Behçet's disease from an Iranian Northwest Azeri population. GENE REPORTS 2020. [DOI: 10.1016/j.genrep.2020.100612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Qin XY, Lu J, Li GX, Wen L, Liu Y, Xu LP, Chang YJ, Liu KY, Jiang ZF, Huang XJ. CTLA-4 polymorphisms are associated with treatment outcomes of patients with multiple myeloma receiving bortezomib-based regimens. Ann Hematol 2017; 97:485-495. [DOI: 10.1007/s00277-017-3203-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 12/04/2017] [Indexed: 12/25/2022]
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Chairta P, Nicolaou P, Christodoulou K. Genomic and genetic studies of systemic sclerosis: A systematic review. Hum Immunol 2016; 78:153-165. [PMID: 27984087 DOI: 10.1016/j.humimm.2016.10.017] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Revised: 10/27/2016] [Accepted: 10/27/2016] [Indexed: 12/12/2022]
Abstract
Systemic sclerosis is an autoimmune rheumatic disease characterised by fibrosis, vasculopathy and inflammation. The exact aetiology of SSc remains unknown but evidences show that various genetic factors may be involved. This review aimed to assess HLA alleles/non-HLA polymorphisms, microsatellites and chromosomal abnormalities that have thus far been associated with SSc. PubMed, Embase and Scopus databases were searched up to July 29, 2015 using a combination of search-terms. Articles retrieved were evaluated based on set exclusion and inclusion criteria. A total of 150 publications passed the filters. HLA and non-HLA studies showed that particular alleles in the HLA-DRB1, HLA-DQB1, HLA-DQA1, HLA-DPB1 genes and variants in STAT4, IRF5 and CD247 are frequently associated with SSc. Non-HLA genes analysis was performed using the PANTHER and STRING10 databases. PANTHER classification revealed that inflammation mediated by chemokine and cytokine, interleukin and integrin signalling pathways are among the common extracted pathways associated with SSc. STRING10 analysis showed that NFKB1, CSF3R, STAT4, IFNG, PRL and ILs are the main "hubs" of interaction network of the non-HLA genes associated with SSc. This study gathers data of valid genetic factors associated with SSc and discusses the possible interactions of implicated molecules.
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Affiliation(s)
- Paraskevi Chairta
- Neurogenetics Department, The Cyprus Institute of Neurology and Genetics, Nicosia 2370, Cyprus; Cyprus School of Molecular Medicine, The Cyprus Institute of Neurology and Genetics, Nicosia 2370, Cyprus
| | - Paschalis Nicolaou
- Neurogenetics Department, The Cyprus Institute of Neurology and Genetics, Nicosia 2370, Cyprus; Cyprus School of Molecular Medicine, The Cyprus Institute of Neurology and Genetics, Nicosia 2370, Cyprus
| | - Kyproula Christodoulou
- Neurogenetics Department, The Cyprus Institute of Neurology and Genetics, Nicosia 2370, Cyprus; Cyprus School of Molecular Medicine, The Cyprus Institute of Neurology and Genetics, Nicosia 2370, Cyprus.
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7
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Qin XY, Wang Y, Li GX, Qin YZ, Wang FR, Xu LP, Chen H, Han W, Wang JZ, Zhang XH, Chang YJ, Liu KY, Jiang ZF, Huang XJ. CTLA-4 polymorphisms and haplotype correlate with survival in ALL after allogeneic stem cell transplantation from related HLA-haplotype-mismatched donor. J Transl Med 2016; 14:100. [PMID: 27118383 PMCID: PMC4847362 DOI: 10.1186/s12967-016-0864-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Accepted: 04/12/2016] [Indexed: 11/25/2022] Open
Abstract
Background Allogeneic hematopoietic stem cell transplantation (allo-HSCT) has been established as an effective treatment for patients with hematological malignancies. Disease relapse remains a major cause of transplant failure. T cell homeostasis is critical to determine the potency of the GVT effect. Recent studies have shown the association of the CTLA-4 polymorphisms with the outcome after HLA-identical sibling allogeneic HSCT. Methods In this study, we focused on four CTLA-4 polymorphisms, and analyzed the impact of donor genotypes and haplotypes on the conditions of 152 acute leukemia patients (ALL 83) after related HLA-haplotype- mismatched transplantation. The four SNP genotypes (−1661, −318, CT60 and +49) were determined by TaqMan SNP genotyping assays. Results ALL recipients of donors with +49 GG showed significantly lower OS (67.7 vs. 90.3 %, P = 0.015) than those with GA+AA. Multivariate analyses showed that +49 GG was an independent risk factor for OS (HR: 0.306, 95 % CI 0.111–0.842, P = 0.022) .23 ALL patients receiving mDLI showed significantly lower OS with +49 GG donor than those with GA+AA (30.0 vs. 83.1 %, P = 0.003). The haplotype analysis revealed only three haplotypes in the donor population −1661/−318/CT60/+49 i.e., ACGG, ACAA and GTGA, the frequencies were 64.1, 19.4 and 16.5 %, respectively. Donors with and without the ACGG/ACGG haplotype had the same effect on transplant outcomes as those with +49 GG and +49 GA+AA. Conclusion In summary, the CTLA-4 +49 GG and the haplotype ACGG/ACGG reduced the overall survival in ALL after allo-HSCT from the related HLA-haplotype-mismatched donor, knowledge of the CTLA-4 polymorphism and haplotype may provide useful information for donor selection and individual application of immunosuppressive agents and immunotherapy.
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Affiliation(s)
- X-Y Qin
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Y Wang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - G-X Li
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Y-Z Qin
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - F-R Wang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - L-P Xu
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - H Chen
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - W Han
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - J-Z Wang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - X-H Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Y-J Chang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - K-Y Liu
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China
| | - Z-F Jiang
- State Key Laboratory of Protein and Plant Gene Research, Key Laboratory of Cell Proliferation and Differentiation of the Ministry of Education school of Life Sciences, Peking University, Beijing, China.,Peking University-Tsinghua University Joint Center for Life Sciences, Beijing, China
| | - X-J Huang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China. .,Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Beijing, China. .,Peking-Tsinghua Center for Life Sciences, Beijing, China. .,Peking University People's Hospital, Peking University Institute of Hematology, Beijing Key Laboratory of Hematopoietic Stem Cell Transplantation, Peking-Tsinghua Center for Life Sciences, 11 Xizhimen South Street, Beijing, 100044, Peoples' Republic of China.
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Banelli B, Morabito A, Laurent S, Piccioli P, Dozin B, Ghio M, Ascierto PA, Monteghirfo S, Marasco A, Ottaviano V, Queirolo P, Romani M, Pistillo MP. A novel multiplex pyrosequencing assay for genotyping functionally relevant CTLA-4 polymorphisms: Potential applications in autoimmunity and cancer. Hum Immunol 2014; 75:730-9. [DOI: 10.1016/j.humimm.2014.04.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Revised: 03/24/2014] [Accepted: 04/27/2014] [Indexed: 10/25/2022]
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9
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Thude H, Schipler AD, Treszl A, Peine S, Koch M, Sterneck M, Nashan B. Lack of association between CTLA-4 and PDCD1 polymorphisms and acute rejection in German liver transplant recipients. Hum Immunol 2013; 74:1041-5. [DOI: 10.1016/j.humimm.2013.04.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Revised: 01/23/2013] [Accepted: 04/10/2013] [Indexed: 11/28/2022]
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10
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Song GG, Lee YH. The CTLA-4 and MCP-1 polymorphisms and susceptibility to systemic sclerosis: a meta-analysis. Immunol Invest 2013; 42:481-92. [PMID: 23782302 DOI: 10.3109/08820139.2013.789910] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE The aim of this study was to explore whether cytotoxic T lymphocyte antigen-4 (CTLA-4) and monocyte chemoattractant protein-1 (MCP-1) polymorphisms confer susceptibility to systemic sclerosis (SSc). METHODS MEDLINE and manual search were utilized to identify available articles. A meta-analysis was conducted on the associations between the CTLA-4 +49 A/G, -318 C/T, -1661 A/G, and -1722 C/T, and MCP-1 -2518 A/G polymorphisms, using a fixed-effect or random-effect model based on between-study heterogeneity. RESULTS Eleven comparative studies involving 959 SSc patients and 1739 controls were included in the meta-analysis. No association was found between SSc and the CTLA-4 +49 A/G polymorphism (OR for the +49 G allele = 1.032, 95% CI = 0.830-1.283, p = 0.779). However, an association between SSc and the CTLA-4 -318 TT + TC genotype (OR = 1.642, 95% CI = 1.034-2.609, p = 0.036). Meta-analyses failed to reveal an association between SSc and CTLA-4 -1722 C/T, MCP-1 -2518 A/G polymorphisms. CONCLUSIONS This meta-analysis of published data shows that the CTLA-4 -318 C/T polymorphism confers susceptibility to SSc.
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Affiliation(s)
- Gwan Gyu Song
- Division of Rheumatology, Department of Internal Medicine, Korea University College of Medicine, Seoul 136-705, Korea
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11
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Ji R, Feng Y, Zhan WW. Updated analysis of studies on the cytotoxic T-lymphocyte-associated antigen-4 gene A49G polymorphism and Hashimoto's thyroiditis risk. GENETICS AND MOLECULAR RESEARCH 2013; 12:1421-30. [PMID: 23661465 DOI: 10.4238/2013.april.26.4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Published data on the association between the cytotoxic T-lymphocyte-associated antigen-4 gene A49G polymorphism and the risk for Hashimoto's thyroiditis (HT) are inconclusive. A meta-analysis was performed to derive a more precise estimation. Published case-control studies in English or Chinese were identified. In total, 24 studies with 2295 cases and 4521 controls were investigated. A random-effect model was performed irrespective of between-study heterogeneity. Study quality was assessed in duplicate, and subgroup analyses were conducted by ethnicity or age. Overall, the 49G allele was associated with an increase in HT risk [odds ratio (OR) = 1.31; 95% confidence interval (95%CI) = 1.17-1.47; P < 0.00001]. In a subgroup analysis by ethnicity, comparison of allele 49G with 49A generated a 27% increased risk among East Asians (OR = 1.48; 95%CI = 1.24-1.76; P < 0.00001) and whites (OR = 1.27; 95%CI = 1.12-1.44; P = 0.0002). We also found an increased risk among adults (OR = 1.31; 95%CI = 1.17-1.47; P < 0.00001) but not among children (OR = 1.44; 95%CI = 0.75-2.79; P = 0.27), possibly owing to the small sample sizes in children. No publication biases were observed. This meta-analysis suggested that the cytotoxic T-lymphocyte-associated antigen-4 gene 49G allele was associated with an increased HT risk, especially in adults.
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Affiliation(s)
- R Ji
- Department of Ultrasonography, School of Medicine, Ruijin Hospital, Shanghai Jiaotong University, Shanghai, China
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12
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Liu CP, Jiang JA, Wang T, Liu XM, Gao L, Zhu RR, Shen Y, Wu M, Xu T, Zhang XG. CTLA-4 and CD86 genetic variants and haplotypes in patients with rheumatoid arthritis in southeastern China. GENETICS AND MOLECULAR RESEARCH 2013; 12:1373-82. [DOI: 10.4238/2013.april.25.8] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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13
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Peng WJ, Pan HF, Tao JH, Wang BX, Lu MM, Wang S, He Q, Wang J. A meta-analysis of the association between cytokine gene polymorphisms and systemic sclerosis. Mod Rheumatol 2011; 22:695-703. [PMID: 22173230 DOI: 10.1007/s10165-011-0574-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2011] [Accepted: 11/21/2011] [Indexed: 10/14/2022]
Abstract
We conducted a comprehensive meta-analysis to quantitatively evaluate the association of cytokine gene polymorphisms with systemic sclerosis (SSc) susceptibility. Electronic databases were used to identify published studies before July 2011. In total, 23 case-control studies including 3524 SSc cases and 6086 healthy controls were included in the meta-analysis. We examined the relationship between five gene polymorphisms [cytotoxic T lymphocyte associated antigen 4 (CTLA-4) -1722T/C, CTLA-4 -318C/T, CTLA-4 +49A/G, angiotensin-converting enzyme I/D, STAT-4 rs7574865] and susceptibility to SSc. The combined odds ratio (OR) with 95% confidence interval (95% CI) was calculated to estimate the strength of the association in a fixed or random effect model. Heterogeneity and publication bias were also assessed. We found a significant association between SSc and STAT rs7574865 (TT vs. GG: OR 0.44, 95% CI 0.36-0.54; TT vs. TG + GG: OR 0.48, 95% CI 0.39-0.59; TT + TG vs. GG: OR 0.74, 95% CI 0.66-0.83; T vs. G: OR 0.72, 95% CI 0.66-0.79), but there were no other statistically significant associations with other gene polymorphisms. Our study suggested that SSc is associated with STAT gene rs7574865 polymorphism.
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Affiliation(s)
- Wen-jia Peng
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei 230032, Anhui, People's Republic of China
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Jagasia M, Clark WB, Brown-Gentry KD, Crawford DC, Fan KH, Chen H, Kassim A, Greer JP, Engelhardt BG, Savani BN. Genetic variation in donor CTLA-4 regulatory region is a strong predictor of outcome after allogeneic hematopoietic cell transplantation for hematologic malignancies. Biol Blood Marrow Transplant 2011; 18:1069-75. [PMID: 22178694 DOI: 10.1016/j.bbmt.2011.12.518] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2011] [Accepted: 12/06/2011] [Indexed: 11/26/2022]
Abstract
Relapse remains a major cause of death after allogeneic hematopoietic cell transplantation (allo-HCT). Graft-versus-tumor effect is primarily mediated by donor T cells. Cytotoxic T lymphocyte antigen-4 (CTLA-4) is a critical inhibitor of T cell proliferation. Single nucleotide polymorphisms (SNPs) in CTLA-4 may affect immune responses. We hypothesized that CTLA-4 SNPs will be associated with disease control after allo-HCT. One hundred sixty-four adult patients with the availability of pretransplantation recipient and donor DNA samples were included in this analysis. Ten tagSNPs of the CTLA-4 gene were identified. Donor CTLA-4 SNP rs4553808 was associated with decreased relapse-free survival (RFS) (P = .019) and overall survival (OS) (P = .033). In multivariable analysis of an additive genetic model, genotype of CTLA-4 SNP rs4553808 was an independent risk factor for inferior RFS (hazard ratio [HR] = 1.73, 95% confidence interval [CI] 1.10-2.71, P = .017) and OS (HR = 1.84, 95% CI 1.13-3.0, P = .015). CTLA-4 SNPs can be used to identify high-risk patient subsets that may benefit from preemptive immunomodulation to decrease relapse rates and improve survival.
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Affiliation(s)
- Madan Jagasia
- Hematology and Stem Cell Transplantation Section, Division of Hematology/Oncology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
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CTLA4 and CD86 gene polymorphisms and susceptibility to chronic obstructive pulmonary disease. Hum Immunol 2010; 71:1141-6. [PMID: 20732370 DOI: 10.1016/j.humimm.2010.08.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2010] [Revised: 07/19/2010] [Accepted: 08/16/2010] [Indexed: 12/14/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) may be related to chronic inflammation and immune-mediated conditions, and its pathogenesis involves T-cell activation and proliferation. Cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and costimulatory molecules (CD80/CD86) genes are important mediators of T-cell activation in the immune response. The aim of this study was to investigate whether +2379G/C (rs17281995) and +1057G/A (rs1129055) in CD86 and -318C/T (rs5742909) and +49A/G (rs231775) in CTLA-4 genes single nucleotide polymorphisms (SNPs) are associated with COPD in a Chinese population. The four polymorphisms were identified in 396 COPD patients and 400 controls using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). The frequency of the T allele of the -318C/T in CTLA-4 and the A allele of the +1057G/A in CD86 polymorphisms showed significant association with COPD when compared with controls (T allele: p < 0.0001; A allele: p = 0.009). Comparison of genotype frequencies showed that -318CT, +1057GA, and +1057AA genotype was overrepresented in the COPD group, respectively (-318CT: 50.8% vs 28.5%, p < 0.0001; +1057GA: 58.6% vs 54.2%, p = 0.002; +1057AA: 30.1% vs 25.8%, p = 0.002). However, we failed to find any association between the four SNPs and COPD when cases were classified by smoking status or clinical stages (p > 0.05). The results indicate that the polymorphisms of CTLA-4 (-318C/T) and CD86 (+1057G/A) may be important genetic factor associated with risk or protection for COPD in Chinese population.
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Association of single nucleotide polymorphisms in cytotoxic T-lymphocyte antigen 4 and susceptibility to autoimmune type 1 diabetes in Tunisians. CLINICAL AND VACCINE IMMUNOLOGY : CVI 2010; 17:1473-7. [PMID: 20610662 DOI: 10.1128/cvi.00099-10] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
In addition to HLA and insulin genes, the costimulatory molecule CTLA-4 gene is a confirmed type 1 diabetes (T1D) susceptibility gene. Previous studies investigated the association of CTLA-4 genetic variants with the risk of T1D, but with inconclusive findings. Here, we tested the contributions of common CTLA-4 gene variants to T1D susceptibility in Tunisian patients and control subjects. The study subjects comprised 228 T1D patients (47.8% females) and 193 unrelated healthy controls (45.6% females). Genotyping for CTLA-4 CT60A/G (rs3087243), +49A/G (rs231775), and -318C/T (rs5742909) was performed by PCR-restriction fragment length polymorphism (RFLP) analysis. The minor-allele frequencies (MAF) for the three CTLA-4 variants were significantly higher in T1D patients, and significantly higher frequencies of homozygous +49G/G and homozygous CT60G/G genotypes were seen in patients, which was confirmed by univariate regression analysis (taking the homozygous wild type as a reference). Of the eight possible three-locus CTLA-4 haplotypes (+49A/G, -318C/T, and CT60A/G) identified, multivariate regression analysis confirmed the positive association of ACG (odds ratio [OR], 1.93; 95% confidence interval [CI], 1.26 to 2.94), GCG (OR, 2.40; 95% CI, 1.11 to 5.21), and GTA (OR, 4.67; 95% CI, 1.52 to 14.39) haplotypes with T1D, after confounding variables were adjusted for. Our results indicate that CTLA-4 gene variants are associated with increased T1D susceptibility in Tunisian patients, further supporting a central role for altered T-cell costimulation in T1D pathogenesis.
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Yousefipour G, Erfani N, Momtahan M, Moghaddasi H, Ghaderi A. CTLA4 exon 1 and promoter polymorphisms in patients with multiple sclerosis. Acta Neurol Scand 2009; 120:424-9. [PMID: 19737153 DOI: 10.1111/j.1600-0404.2009.01177.x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
OBJECTIVE The polymorphisms of exon 1 (+49 A/G) and promoter regions (-1722 T/C, -1661 A/G and -318 C/T)of cytotoxic T lymphocyte antigen 4 (CTLA4) and also haplotypes constructed from mentioned loci were investigated amongst 153 Iranian patients with definite multiple sclerosis (MS) and 190 healthy controls. METHODS The polymorphisms were genotyped by PCR-restriction fragment length polymorphisms and PCR-amplification refractory mutation system. The 4-locus haplotypes were estimated by Arlequin software (University of Berne, Berne, Switzerland). RESULTS Preliminary results showed significant increase of +49 G allele and -1661 AG genotype, as well as TGCA haplotype among patients than controls (P < 0.036, P = 0.009 and P < 0.010, respectively). The distribution of -1722 T/C, -1661 A/G, -318 C/T and +49 A/G (TACA) haplotype, from the contrary, was observed to be significantly increased among controls (P < 0.001). CONCLUSIONS After Bonferroni correction, the results provide preliminary evidence that CTLA4 genetic variation at -1661 locus may render Iranian individuals to be more susceptible to MS, whereas harboring TACA haplotype might be protective.
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Affiliation(s)
- G Yousefipour
- Department of Neurology, Shiraz University of Medical Sciences, Shiraz, Iran
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Granel B, Bernard F, Chevillard C. Genetic susceptibility to systemic sclerosis from clinical aspect to genetic factor analyses. Eur J Intern Med 2009; 20:242-52. [PMID: 19393491 DOI: 10.1016/j.ejim.2008.07.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2008] [Revised: 06/18/2008] [Accepted: 07/07/2008] [Indexed: 12/11/2022]
Abstract
BACKGROUND Systemic sclerosis is a rare autoimmune disease mainly characterized by vascular alteration and fibrosis involving skin but also visceral organs such as lungs, digestive tract, and heart. This disease leads to high morbidity and mortality. Its pathogenesis remains unclear, but recent attention has focus on genetic factors. OBJECTIVE We first recall the main manifestations associated with systemic sclerosis and leading to its diagnosis and prognosis. Then we propose an overview on human genetics studies, as a number of genetic loci have been identified that appear to be associated with the disease. METHODS Articles concerning association studies with candidate genes encoding for extracellular matrix proteins, cytokines, growth factors, chemokines, and proteins involved in vascular tone and immune regulations are presented and discussed. RESULTS/CONCLUSION Systemic sclerosis is a multigenic complex disorder. Genetic associations are observed in distinct phenotypes such as the diffuse cutaneous form or the limited form, or in association with specific autoantibody pattern. Promising candidate genes are those involved in pathways that lead to the vascular damage and fibrosis. A better knowledge of crucial mediators involved in systemic sclerosis could in the future provide new therapeutic strategies to control the disease.
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Huber A, Menconi F, Corathers S, Jacobson EM, Tomer Y. Joint genetic susceptibility to type 1 diabetes and autoimmune thyroiditis: from epidemiology to mechanisms. Endocr Rev 2008; 29:697-725. [PMID: 18776148 PMCID: PMC2583387 DOI: 10.1210/er.2008-0015] [Citation(s) in RCA: 143] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Type 1 diabetes (T1D) and autoimmune thyroid diseases (AITD) frequently occur together within families and in the same individual. The co-occurrence of T1D and AITD in the same patient is one of the variants of the autoimmune polyglandular syndrome type 3 [APS3 variant (APS3v)]. Epidemiological data point to a strong genetic influence on the shared susceptibility to T1D and AITD. Recently, significant progress has been made in our understanding of the genetic association between T1D and AITD. At least three genes have been confirmed as major joint susceptibility genes for T1D and AITD: human leukocyte antigen class II, cytotoxic T-lymphocyte antigen 4 (CTLA-4), and protein tyrosine phosphatase non-receptor type 22. Moreover, the first whole genome linkage study has been recently completed, and additional genes will soon be identified. Not unexpectedly, all the joint genes for T1D and AITD identified so far are involved in immune regulation, specifically in the presentation of antigenic peptides to T cells. One of the lessons learned from the analysis of the joint susceptibility genes for T1D and AITD is that subset analysis is a key to dissecting the etiology of complex diseases. One of the best demonstrations of the power of subset analysis is the CTLA-4 gene in T1D. Although CTLA-4 showed very weak association with T1D, when analyzed in the subset of patients with both T1D and AITD, the genetic effect of CTLA-4 was significantly stronger. Gene-gene and genetic-epigenetic interactions most likely play a role in the shared genetic susceptibility to T1D and AITD. Dissecting these mechanisms will lead to a better understanding of the etiology of T1D and AITD, as well as autoimmunity in general.
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Affiliation(s)
- Amanda Huber
- Division of Endocrinology, University of Cincinnati College of Medicine, Cincinnati, Ohio 45267, USA
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Agarwal SK, Tan FK, Arnett FC. Genetics and genomic studies in scleroderma (systemic sclerosis). Rheum Dis Clin North Am 2008; 34:17-40; v. [PMID: 18329530 DOI: 10.1016/j.rdc.2007.10.001] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
It currently is believed that scleroderma is a complex polygenic disease that occurs in genetically predisposed individuals who have encountered specific environment exposures and/or other stochastic factors. The nature of these genetic determinants and how they interact with environmental factors are areas of active investigation. This article discusses the evidence that supports a strong genetic link to scleroderma. These studies implicate potential pathogenetic mechanisms involved in scleroderma, which, it is hoped, may translate into clinical utility, including determination of disease risk, diagnosis, prognosis, and novel therapeutics.
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Affiliation(s)
- Sandeep K Agarwal
- Division of Rheumatology, Department of Internal Medicine, The University of Texas Health Science Center at Houston, 6431 Fannin, MSB 5.270, Houston, TX 77030, USA
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22
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Du L, Yang P, Hou S, Lin X, Zhou H, Huang X, Wang L, Kijlstra A. Association of the CTLA-4 gene with Vogt-Koyanagi-Harada syndrome. Clin Immunol 2008; 127:43-8. [PMID: 18282809 DOI: 10.1016/j.clim.2008.01.004] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2007] [Revised: 12/24/2007] [Accepted: 01/02/2008] [Indexed: 11/17/2022]
Abstract
Cytotoxic T lymphocyte-associated antigen-4 (CTLA-4), a critical negative regulator of the T cell response, has been shown to be associated with a variety of autoimmune diseases. In this study, we investigated the association of CTLA-4 gene polymorphisms (- 1661A/G; - 318C/T; + 49G/A, and CT60) with Vogt-Koyanagi-Harada (VKH) syndrome in Chinese Han patients and normal controls. The results showed that the frequency of the G allele at the + 49 site was significantly higher in VKH patients than that observed in healthy controls (71.6% versus 62.8%, P = 0.0046, Pc = 0.037). Three haplotypes were identified from the four SNPs. The frequency of haplotype - 1661A:- 318C:+ 49G:CT60G, the most prevalent haplotype both in patients and controls, was significantly higher in patients than that in controls (70.1% versus 60.0%, P= 0.0013, n= 16, Pc = 0.021). These results suggest that CTLA-4 genetic polymorphisms are associated with the susceptibility to VKH syndrome.
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Affiliation(s)
- Liping Du
- State Key Laboratory of Ophthalmology, Sun Yat-Sen University, Guangzhou, PR China
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23
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Allanore Y, Wipff J, Kahan A, Boileau C. Genetic basis for systemic sclerosis. Joint Bone Spine 2007; 74:577-83. [PMID: 17855142 DOI: 10.1016/j.jbspin.2007.04.005] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2006] [Accepted: 04/26/2007] [Indexed: 12/11/2022]
Abstract
Among the connective tissue diseases, systemic sclerosis is an orphan disease in which diffuse connective tissue alterations lead to multi-organ involvement. Environmental factors implicated in triggering this multifactorial disease include crystalline silica, chlorine solvents, welding vapors, and various other solvents. Clustering within families indicates a role for genetic factors. Although concordance for the disease among identical twins is low, concordance for autoantibodies associated with systemic sclerosis and for fibroblast gene expression profiles is higher. Because multiplex families are rare, association and candidate gene strategies are the most appropriate methods for investigating the genetics of systemic sclerosis. The most consistent data relate to the involvement of fibrosis genes, most notably the TGF-beta regulation pathway, secreted protein acid and rich in cysteine (SPARC) genes, and the fibrillin-1 gene (FBN1). Several variants of genes for cytokines or their receptors may be involved. Data on the vasculopathy characteristic of systemic sclerosis are somewhat conflicting. Investigations into the genetics of systemic sclerosis may shed light on the complex pathophysiology of this disease, help to identify factors that predict organ involvement, and suggest new treatment strategies.
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Affiliation(s)
- Yannick Allanore
- Paris Descartes University, School of Medicine, Rheumatology A Department, Cochin Teaching Hospital, AP-HP, Paris, France.
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Balbi G, Ferrera F, Rizzi M, Piccioli P, Morabito A, Cardamone L, Ghio M, Palmisano GL, Carrara P, Pedemonte S, Sessarego M, De Angioletti M, Notaro R, Indiveri F, Pistillo MP. Association of -318 C/T and +49 A/G cytotoxic T lymphocyte antigen-4 (CTLA-4) gene polymorphisms with a clinical subset of Italian patients with systemic sclerosis. Clin Exp Immunol 2007; 149:40-7. [PMID: 17459075 PMCID: PMC1942023 DOI: 10.1111/j.1365-2249.2007.03394.x] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Systemic sclerosis (SSc) is a complex and heterogeneous autoimmune disorder with a multi-factorial pathogenesis. Like other autoimmune disorders, the possible role of specific cytotoxic T lymphocyte antigen-4 (CTLA-4) gene polymorphisms in predisposing to SSc has been hypothesized, but it remains controversial. CTLA-4 promoter (-318C/T) and exon 1 (+49 A/G) polymorphisms have been analysed in 43 Italian females with SSc and in 93 unrelated matched healthy controls by a newly designed tetra-primer amplification refractory mutation system-polymerase chain reaction (T-ARMS-PCR) method. No significant association has been found with either polymorphisms.Nevertheless, SSc patients without concomitant Hashimoto's thyroiditis (HT) were carrying both the -318T allele (P = 0.031) and the +49 G allele (P = 0.076) more frequently than SSc patients with HT [defined by positivity for anti-thyroperoxidase (TPO) and anti-thyroglobulin (TGA) autoantibodies] than controls. Haplotype analysis confirms this association (P = 0.028), and suggests the predominant role of the -318T, whereas that of the +49 G, if any, seems weak. Thus, in Italian SSc patients the CTLA-4 -318C/T promoter polymorphism appears to be associated with the susceptibility to develop SSc without thyroid involvement. Larger studies are needed to confirm these findings and to clarify whether the -318C/T polymorphism is the functional responsible or whether it reflects the presence of another linked genetic element in the same chromosomal region.
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Affiliation(s)
- G Balbi
- Department of Oncology, Biology and Genetics, University of Genoa, Genoa, Italy
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Jacobson EM, Tomer Y. The CD40, CTLA-4, thyroglobulin, TSH receptor, and PTPN22 gene quintet and its contribution to thyroid autoimmunity: back to the future. J Autoimmun 2007; 28:85-98. [PMID: 17369021 PMCID: PMC2043086 DOI: 10.1016/j.jaut.2007.02.006] [Citation(s) in RCA: 142] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Autoimmune thyroid diseases (AITD) are common autoimmune diseases, affecting up to 5% of the general population. Thyroid-directed autoimmunity is manifested in two classical autoimmune conditions, Hashimoto's thyroiditis, resulting in hypothyroidism and Graves' disease resulting in hyperthyroidism. Autoimmune thyroid diseases arise due to an interplay between environmental and genetic factors. In the past decade significant progress has been made in our understanding of the genetic contribution to the etiology of AITD. Indeed, several AITD susceptibility genes have been identified. Some of these susceptibility genes are specific to either Graves' disease or Hashimoto's thyroiditis, while others confer susceptibility to both conditions. Both immunoregulatory genes and thyroid specific genes contribute to the pathogenesis of AITD. The time is now ripe to examine the mechanistic basis for the contribution of genetic factors to the etiology of AITD. In this review, we will focus on the contribution of non-MHC II genes.
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MESH Headings
- Animals
- Antigens, CD/genetics
- Antigens, CD/immunology
- Antigens, CD/metabolism
- Antigens, Differentiation/genetics
- Antigens, Differentiation/immunology
- Antigens, Differentiation/metabolism
- CD40 Antigens/genetics
- CD40 Antigens/metabolism
- CTLA-4 Antigen
- Genetic Predisposition to Disease
- Graves Disease/etiology
- Graves Disease/genetics
- Graves Disease/immunology
- Hashimoto Disease/etiology
- Hashimoto Disease/genetics
- Hashimoto Disease/immunology
- Humans
- Polymorphism, Single Nucleotide
- Protein Tyrosine Phosphatase, Non-Receptor Type 22
- Protein Tyrosine Phosphatases/genetics
- Protein Tyrosine Phosphatases/metabolism
- Receptors, Thyrotropin/genetics
- Receptors, Thyrotropin/metabolism
- Thyroglobulin/genetics
- Thyroglobulin/metabolism
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Affiliation(s)
- Eric M Jacobson
- Division of Endocrinology, University of Cincinnati, The Vontz Center for Molecular Studies, 3125 Eden Avenue, Cincinnati, OH 45267, USA.
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