Abstracts tagged "DNA Methylation"

Abstract Number: 1050 • 2019 ACR/ARP Annual Meeting
Genome-Wide DNA Methylation Signatures in Classical Monocytes from African Ancestry Patients with Systemic Sclerosis
Peter Allen¹, Jena Wirth ², Nathan Wilson ², Jim Oates ³, Melissa Cunningham ², Devin Absher ⁴ and Paula Ramos ², ¹University of Alabama at Birmingham, Birmingham, AL, ²Medical University of South Carolina, Charleston, ³Division of Rheumatology & Immunology/Medical University of South Carolina, Charleston, SC, ⁴HudsonAlpha Institute for Biotechnology, Huntsville, AL
Background/Purpose: Systemic sclerosis (SSc) is a rare, fibrotic autoimmune disorder characterized by cutaneous and visceral fibrosis, immune dysregulation, and vasculopathy. It disproportionately affects individuals of…
Abstract Number: 2041 • 2019 ACR/ARP Annual Meeting
Epigenome-wide Association Study Reveals Differential DNA Methylation in Systemic Lupus Erythematosus Patients with a History of Ischemic Heart Disease
Juliana Imgenberg-Kreuz¹, Christopher Sjöwall ², Martina Frodlund ², Iva Gunnarsson ³, Elisabet Svenungsson ⁴ and Dag Leonard ¹, ¹Department of Medical Sciences, Section of Rheumatology and Science for Life Laboratory, Uppsala University, Uppsala, Sweden, ²Department of Clinical and Experimental Medicine, Rheumatology/Division of Neuro and Inflammation Sciences, Linköping University, Linköping, Sweden, ³Department of Medicine Solna, Rheumatology Unit, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden, ⁴Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
Background/Purpose: Patients with systemic lupus erythematosus (SLE) have an increased risk of ischemic heart disease (IHD). Altered methylation patterns have been reported both in SLE,…
Abstract Number: 2396 • 2019 ACR/ARP Annual Meeting
DNA Methylation of the Dual Specificity Phosphatase 22 (DUSP22) Gene Promoter in Plasma and Medication Use in Rheumatoid Arthritis (RA)
Lissette Delgado-Cruzata ¹, Milena Rodriguez Alvarez ², Abhimanyu Amarnani², Edgardo Guzman ³, Alorah Bliese ¹, Belen Albarracin ¹, Carl Cirilli ¹ and Shante Hinson ⁴, ¹John Jay College, City University of New York, New York, ²SUNY Downstate Medical Center, Brooklyn, ³Lincoln Medical & Mental Mental Health Center, Brooklyn, ⁴Lincoln Medical & Mental Mental Health Center, New York
Background/Purpose: The Dual Specificity Phosphatase 22 (DUSP22) gene expression has been shown to be regulated via DNA methylation of its promoter. In addition, aberrant DNA…
Abstract Number: 2738 • 2019 ACR/ARP Annual Meeting
Differential Methylation of Peripheral Blood Adaptive Immune Cells in Individuals at High Risk for RA and with Early RA Compared with Controls Identifies Pathways Important in Transition to Arthritis
Rizi Ai¹, David Boyle ², Deepa Hammaker ³, Kevin Deane ⁴, V. Michael Holers ⁵, Andre Matti ⁶, William Robinson ⁷, Jane Buckner ⁸, Navin Rao ⁹, Frédéric Baribaud ¹⁰, George Vratsanos ¹¹, Sunil Nagpal ⁹, Wei Wang ² and Gary Firestein ³, ¹University of California San Diego, San Diego, ²University of California, San Diego, San Diego, CA, ³University of California, San Diego, San Diego, ⁴University of Colorado Denver, Division of Rheumatology, Aurora, CO, USA, Aurora, CO, ⁵University of Colorado Denver, Division of Rheumatology, Aurora, CO, USA, Denver, ⁶UCSD, La Jolla, CA, ⁷Stanford University, Stanford, CA, ⁸Benaroya Research Institute, Seattle, WA, ⁹Janssen R&D, Spring House, PA, ¹⁰Janssen Research & Development, LLC, Spring House, PA, ¹¹JNJ, Raritan, NJ
Background/Purpose: The “Targeting Immune Responses for Prevention of RA” (TIP-RA) collaboration studies individuals at high risk for developing RA because of serum anti-citrullinated protein antibody…
Abstract Number: 76 • 2018 ACR/ARHP Annual Meeting
Whole Blood Targeted Bisulfite Pyrosequencing Identifies Differentially Methylated Regions within Major Histocompatibility Complex (MHC) of Patients with Rheumatoid Arthritis
Vidyanand Anaparti¹, Irene Smolik², Prasoon Agarwal³, Neeloffer Mookherjee¹ and Hani El-Gabalawy⁴, ¹Internal Medicine, University of Manitoba, Winnipeg, MB, Canada, ²Food and Nutritional Sciences, University of Manitoba, Winnipeg, MB, Canada, ³Physiology and Pathophysiology, University of Manitoba, Winnipeg, MB, Canada, ⁴University of Manitoba, Winnipeg, MB, Canada
Background/Purpose: Human major histocompatibility complex (MHC) is strongly associated with rheumatoid arthritis (RA) pathogenesis. Epigenome-wide association study by Liu et al showed that differential DNA…
Abstract Number: 88 • 2018 ACR/ARHP Annual Meeting
Lymphocyte DNA Methylation As a Mediator of Genetic Risk in Rheumatoid Arthritis
Alex Clark^1,2, Nisha Nair³, Andrew Skelton^1,2, Amy Anderson^1,2, Nishanthi Thalayasingam^1,2, Najib Naamane^1,2, Julie Diboll^1,2, Jonathan Massey⁴, Stephen Eyre^3,4, Anne Barton^3,4, John Isaacs^1,2, Louise Reynard⁵ and Arthur Pratt^1,2, ¹Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom, ²NIHR, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom, ³Arthritis Research UK Centre for Genetics and Genomics and Centre for Epidemiology, University of Manchester, Manchester, United Kingdom, ⁴NIHR Manchester Musculoskeletal Biomedical Research Centre, Manchester University NHS Foundation Trust, Manchester, United Kingdom, ⁵Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom
Background/Purpose: Genome-wide association studies (GWAS) have to date identified over 100 genomic loci at which single nucleotide polymorphisms (SNPs) confer an increased risk of developing…
Abstract Number: 154 • 2018 ACR/ARHP Annual Meeting
Epigenetic Editing of FOXP3 in Human T Cells Is Sufficient to Induce Overexpression and Create a Regulatory T Cell Phenotype in Vitro
Christopher Dunn¹, Cassandra Velasco¹, Madison Andrews², Alexander Rivas³ and Matlock A. Jeffries⁴, ¹Rheumatology, Immunology, and Allergy, University of Oklahoma Health Sciences Center, Oklahoma City, OK, ²Oklahoma Medical Research Foundation, Oklahoma City, OK, ³University of Arkansas for Medical Sciences, Little Rock, AR, ⁴Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK
Background/Purpose: Defects in the number and function of naturally-occurring regulatory T cells (Tregs) have been identified in a variety of autoimmune diseases. The development of…
Abstract Number: 916 • 2018 ACR/ARHP Annual Meeting
Integrative Analysis of Multi-Omics Data in an Ethnically Diverse Lupus Cohort Identifies Distinct Molecular Subtypes of SLE
Cristina Lanata¹, Ishan Paranjpe², Joanne Nitiham³, Kimberly Taylor⁴, Brooke Rhead⁵, Milena Gianfrancesco⁶, Lisa Barcellos⁷, Louise Murphy⁸, Patricia Katz⁹, Laura Trupin⁶, Jinoos Yazdany², Maria Dall'Era², Marina Sirota¹⁰ and Lindsey A. Criswell⁹, ¹Rosalind Russell Medical Research Center for Arthritis, Department of Medicine, Division of Rheumatology, University of California, San Francisco, San Francisco, CA, ²University of California, San Francisco, San Francisco, CA, ³Rosalind Russell / Ephraim P. Engleman Rheumatology Research Center, University of California, San Francisco, San Francisco, CA, ⁴University of California, San Francisco, Rosalind Russell / Ephraim P. Engleman Rheumatology Research Center, San Francisco, CA, ⁵University of California, Berkeley, Berkeley, CA, ⁶Medicine/Rheumatology, University of California, San Francisco, San Francisco, CA, ⁷School of Public Health, UC Berkeley, Berkeley, CA, ⁸Arthritis Program, Centers for Disease Control and Prevention, Atlanta, GA, ⁹University of California San Francisco, San Francisco, CA, ¹⁰Pediatrics, Institute for Computational Health Sciences, University of California, San Francisco, San Francisco, CA
Background/Purpose: Systemic Lupus Erythematous (SLE) is a chronic autoimmune disease with heterogeneous disease manifestations and outcomes. We aimed to define how molecular differences underlie this…
Abstract Number: 2061 • 2018 ACR/ARHP Annual Meeting
Genome-Wide DNA Methylation Analysis in Ankylosing Spondylitis
Patrick Coit¹, Prashant Kaushik², Liron Caplan³, Gail S. Kerr⁴, Jessica Walsh⁵, Maureen Dubreuil⁶, Andreas Reimold⁷ and Amr H Sawalha¹, ¹Division of Rheumatology, University of Michigan, Ann Arbor, MI, ²Rheumatology/Medicine, Stratton VAMC, Albany, NY, ³Div of Rheumatology, Denver VA Medical Center and University of Colorado, Aurora, CO, ⁴Rheumatology, Washington DC VAMC and Georgetown and Howard University, Washington, DC, ⁵George E. Wahlen Veteran Affairs Medical Center & University of Utah, Salt Lake City, UT, ⁶Rheumatology, VA Boston Healthcare System & Boston University School of Medicine, Boston, MA, ⁷Rheumatology, Dallas VA Medical Center and University of Texas - Southwestern, Dallas, TX
Background/Purpose: Ankylosing spondylitis is a chronic inflammatory disease characterized by inflammation of the sacroiliac joints and the spine leading to significant immobility. A subset of…
Abstract Number: 755 • 2017 ACR/ARHP Annual Meeting
Genome-Wide DNA Methylation Pattern in Systemic Sclerosis Microvascular Endothelial Cells: Identification of Epigenetically Affected Key Genes and Pathways
Shadia Nada¹, Ibtissam Gad², Ali Alqahtani³, Ahmad Assaly², Sadik Khuder⁴, Yongqing Wang⁵, Bashar Kahaleh¹ and Nezam Altorok¹, ¹Medicine/Rheumatology, University of Toledo, Toledo, OH, ²University of Toledo, Toledo, OH, ³Internal Medicine, University of Toledo, Toledo, OH, ⁴Department of Medicine, University of Toledo, Toledo, OH, ⁵Medicine, University of Toledo, Toledo, OH
Background/Purpose: The etiology of systemic sclerosis (SSc) is not clear, but there is evidence suggesting a critical role for epigenetic alterations in disease pathogenesis and…
Abstract Number: 1018 • 2017 ACR/ARHP Annual Meeting
Comprehensive Identification of Differentially Methylated Regions Associated with Systemic Sclerosis in Dermal Fibroblasts from African-American Patients
Paula S. Ramos^1,2, Willian da Silveira³, E. Starr Hazard³, Ilia Atanelishvili⁴, Robert C. Wilson⁵, Jim C. Oates¹, Galina S. Bogatkevich⁴ and Gary Hardiman^1,2,3, ¹Department of Medicine, Medical University of South Carolina, Charleston, SC, ²Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, ³Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, ⁴Division of Rheumatology and Immunology, Department of Medicine, Medical University of South Carolina, Charleston, SC, ⁵Department of Pathology and Laboratory Medicine, Medical University of South Carolina, Charleston, SC
Background/Purpose: The etiology and reasons underlying the ethnic disparities in systemic sclerosis (SSc) remain unknown. African-Americans are disproportionally affected by SSc, yet dramatically underrepresented in…
Abstract Number: 1727 • 2017 ACR/ARHP Annual Meeting
Genome-Wide DNA Methylation Analysis in Systemic Sclerosis Reveals Hypomethylation of Interferon-Associated Genes in CD4+ and CD8+ T Cells
Weilin Pu¹, Weifeng Ding², Lei Wang³, Shuai Jiang⁴, Wenzhen Tu³, Shicheng Guo⁵, Qingmei Liu⁶, Yanyun Ma⁴, Sidi Chen⁷, Wenyu Wu⁶, Xiaodong Zhou⁸, Maureen D. Mayes⁹, Shervin Assassi⁹, John D. Reveille⁹, Li Jin¹⁰ and Jiucun Wang¹⁰, ¹State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences,, State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences and Institutes of Biomedical Sciences, Fudan University, Shanghai, China, Shanghai, China, ²Medical Laboratory Center, Medical Laboratory Center, Affiliated Hospital of Nantong University, Nantong, Jiangsu Province, China, Nantong, China, ³Division of Rheumatology, Division of Rheumatology, Shanghai TCM-integrated Hospital, Shanghai, China, Shanghai, China, ⁴Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Ministry of Education Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, China, Shanghai, China, ⁵Department of Bioengineering, Department of Bioengineering, University of California at San Diego, CA, USA, San Diego, CA, ⁶Department of Dermatology, Department of Dermatology, Huashan Hospital, Fudan University, Shanghai, China, Shanghai, China, ⁷State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences and Institutes of Biomedical Sciences,, State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences and Institutes of Biomedical Sciences, Fudan University, Shanghai, China, Shanghai, China, ⁸Internal Medicine-Rheumatology, University of Texas McGovern Medical School, Houston, TX, ⁹University of Texas McGovern Medical School, Houston, TX, ¹⁰State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences and Institutes of Biomedical Sciences, State Key Laboratory of Genetic Engineering, Collaborative Innovation Center for Genetics and Development, School of Life Sciences and Institutes of Biomedical Sciences, Fudan University, Shanghai, China, Shanghai, China
Background/Purpose: Systemic sclerosis (SSc) is a complex systemic autoimmune disease caused by complicated interaction between genetic, epigenetic and environmental risk factors. Evidence showed epigenetic modifications,…
Abstract Number: 1791 • 2017 ACR/ARHP Annual Meeting
TET1 Is an Important Transcriptional Activator of the Tnfa Locus in Macrophages
Emmanuel Karouzakis¹, Fangfang Sun², Agnieszka Pajak¹, Shuang Ye², Steffen Gay¹, Oliver Distler³ and Michel Neidhart¹, ¹Center of Experimental Rheumatology, Department of Rheumatology, University Hospital Zurich, Zurich, Switzerland, ²Department of Rheumatology, Renji Hospital South Campus, School of Medicine, Shanghai Jiao Tong University, Shanghai, China, ³Department of Rheumatology, University Hospital Zurich, Zurich, Switzerland
Background/Purpose: Activated macrophages are found in the inflamed and hyperplastic synovial RA tissue. Macrophages are the main producers of high levels of pro-inflammatory cytokines such…
Abstract Number: 2654 • 2017 ACR/ARHP Annual Meeting
Treatment-Associated DNA Methylation Patterns in Systemic Lupus Erythematosus
Juliana Imgenberg-Kreuz^1,2, Jonas Carlsson Almlöf¹, Dag Leonard³, Gunnel Nordmark², Maija-Leena Eloranta³, Leonid Padyukov⁴, Iva Gunnarsson⁴, Elisabet Svenungsson⁴, Christopher Sjöwall⁵, Lars Rönnblom², Ann-Christine Syvänen¹ and Johanna K Sandling^1,2, ¹Department of Medical Sciences, Molecular Medicine and Science for Life Laboratory, Uppsala University, Uppsala, Sweden, Uppsala, Sweden, ²Department of Medical Sciences, Section of Rheumatology, Uppsala University, Uppsala, Sweden, Uppsala, Sweden, ³Rheumatology and Science for Life Laboratory, Department of Medical Sciences, Uppsala University, Sweden, Uppsala, Sweden, ⁴Department of Medicine Solna, Rheumatology Unit, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden, Stockholm, Sweden, ⁵Department of Clinical and Experimental Medicine, Rheumatology/AIR, Linköping University, Linköping, Sweden, Linköping, Sweden
Background/Purpose: DNA methylation has emerged as an important contributing factor in the pathogenesis of systemic lupus erythematosus (SLE). SLE typically requires continuous treatment to control…
Abstract Number: 74 • 2016 ACR/ARHP Annual Meeting
Arthritis-Associated DNA Hypermethylation Provokes Increased Antibody Expression in Mouse Model of Rheumatoid Arthritis
Daniel M. Tóth¹, Timea Ocskó¹, Adrienn Markovics¹, Attila Balog², Katalin Mikecz¹, Tibor T. Glant¹ and Tibor A. Rauch¹, ¹Orthopedic Surgery, Rush University Medical Center, Chicago, IL, ²Rheumatology, Albert Szent-Gyorgyi University, Szeged, Hungary
Background/Purpose: Although a number of epigenetic alterations have been revealed in rheumatoid arthritis (RA), it remained an open question whether these epimutations play role in…