دورية أكاديمية
Lymphocyte DNA methylation mediates genetic risk at shared immune-mediated disease loci.
العنوان: | Lymphocyte DNA methylation mediates genetic risk at shared immune-mediated disease loci. |
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المؤلفون: | Clark AD; Newcastle University Translational and Clinical Research Institute, Newcastle upon Tyne, United Kingdom., Nair N; Versus Arthritis Centre for Genetics and Genomics, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, University of Manchester Manchester, United Kingdom; NIHR Manchester Musculoskeletal BRC, Manchester University NHS Foundation Trust, Manchester, United Kingdom., Anderson AE; Newcastle University Translational and Clinical Research Institute, Newcastle upon Tyne, United Kingdom., Thalayasingam N; Newcastle University Translational and Clinical Research Institute, Newcastle upon Tyne, United Kingdom., Naamane N; Newcastle University Translational and Clinical Research Institute, Newcastle upon Tyne, United Kingdom., Skelton AJ; Bioinformatics Support Unit, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, United Kingdom., Diboll J; Newcastle University Translational and Clinical Research Institute, Newcastle upon Tyne, United Kingdom., Barton A; Versus Arthritis Centre for Genetics and Genomics, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, University of Manchester Manchester, United Kingdom; NIHR Manchester Musculoskeletal BRC, Manchester University NHS Foundation Trust, Manchester, United Kingdom., Eyre S; Versus Arthritis Centre for Genetics and Genomics, Centre for Musculoskeletal Research, Institute of Inflammation and Repair, University of Manchester Manchester, United Kingdom; NIHR Manchester Musculoskeletal BRC, Manchester University NHS Foundation Trust, Manchester, United Kingdom., Isaacs JD; Newcastle University Translational and Clinical Research Institute, Newcastle upon Tyne, United Kingdom; Musculoskeletal Services Directorate, Newcastle upon Tyne Hospitals NHS Trust, Newcastle upon Tyne, United Kingdom., Pratt AG; Newcastle University Translational and Clinical Research Institute, Newcastle upon Tyne, United Kingdom; Musculoskeletal Services Directorate, Newcastle upon Tyne Hospitals NHS Trust, Newcastle upon Tyne, United Kingdom. Electronic address: arthur.pratt@ncl.ac.uk., Reynard LN; Newcastle University Biosciences Institute, Newcastle upon Tyne, United Kingdom. |
المصدر: | The Journal of allergy and clinical immunology [J Allergy Clin Immunol] 2020 May; Vol. 145 (5), pp. 1438-1451. Date of Electronic Publication: 2020 Jan 13. |
نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
اللغة: | English |
بيانات الدورية: | Publisher: Mosby Country of Publication: United States NLM ID: 1275002 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1097-6825 (Electronic) Linking ISSN: 00916749 NLM ISO Abbreviation: J Allergy Clin Immunol Subsets: MEDLINE |
أسماء مطبوعة: | Original Publication: St Louis, Mosby. |
مواضيع طبية MeSH: | B-Lymphocytes* , CD4-Positive T-Lymphocytes* , DNA Methylation* , Genetic Predisposition to Disease*, Arthritis, Rheumatoid/*genetics, Aged ; Arthritis, Rheumatoid/immunology ; Female ; Genetic Loci ; Genotype ; Humans ; Male ; Middle Aged |
مستخلص: | Background: Defining regulatory mechanisms through which noncoding risk variants influence the cell-mediated pathogenesis of immune-mediated disease (IMD) has emerged as a priority in the post-genome-wide association study era. Objectives: With a focus on rheumatoid arthritis, we sought new insight into genetic mechanisms of adaptive immune dysregulation to help prioritize molecular pathways for targeting in this and related immune pathologies. Methods: Whole-genome methylation and transcriptional data from isolated CD4 + T cells and B cells of more than 100 genotyped and phenotyped patients with inflammatory arthritis, all of whom were naive to immunomodulatory treatments, were obtained. Analysis integrated these comprehensive data with genome-wide association study findings across IMDs and other publicly available resources. Results: We provide strong evidence that disease-associated DNA variants regulate cis-CpG methylation in CD4 + T and/or B cells at 37% RA loci. Using paired, cell-specific transcriptomic data and causal inference testing, we identify examples where site-specific DNA methylation in turn mediates gene expression, including FCRL3 in both cell types and ORMDL3/GSDMB, IL6ST/ANKRD55, and JAZF1 in CD4 + T cells. A number of genes regulated in this way highlight mechanisms common to RA and other IMDs including multiple sclerosis and asthma, in turn distinguishing them from osteoarthritis, a primarily degenerative disease. Finally, we corroborate the observed effects experimentally. Conclusions: Our observations highlight important mechanisms of genetic risk in RA and the wider context of immune dysregulation. They confirm the utility of DNA methylation profiling as a tool for causal gene prioritization and, potentially, therapeutic targeting in complex IMD. (Copyright © 2020 The Authors. Published by Elsevier Inc. All rights reserved.) |
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معلومات مُعتمدة: | G1001518 United Kingdom MRC_ Medical Research Council; MR/P020941/1 United Kingdom MRC_ Medical Research Council; 21754 United Kingdom VAC_ Versus Arthritis; United Kingdom DH_ Department of Health; MR/K015346/1 United Kingdom MRC_ Medical Research Council; United Kingdom WT_ Wellcome Trust |
فهرسة مساهمة: | Keywords: B cell; CD4(+) T cell; DNA methylation; Rheumatoid arthritis; adaptive immunity; expression quantitative trait locus; genetics; immune-mediated disease; methylation quantitative trait locus; pathogenesis |
تواريخ الأحداث: | Date Created: 20200117 Date Completed: 20210215 Latest Revision: 20220129 |
رمز التحديث: | 20231215 |
مُعرف محوري في PubMed: | PMC7201180 |
DOI: | 10.1016/j.jaci.2019.12.910 |
PMID: | 31945409 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1097-6825 |
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DOI: | 10.1016/j.jaci.2019.12.910 |