Abstracts tagged "DNA Methylation"

Abstract Number: 0521 • ACR Convergence 2021
Genome-Wide DNA Methylation and Gene Expression Signatures in Classical Monocytes from African Ancestry Patients with Systemic Sclerosis
Sarah Smith¹, Peter Allen², Robert Wilson¹, Jena Wirth¹, DeAnna Baker Frost¹, Gary Gilkeson¹, Melissa Cunningham¹, Devin Absher³ and Paula Ramos¹, ¹Medical University of South Carolina, Charleston, SC, ²University of Alabama at Birmingham, Birmingham, AL, ³HudsonAlpha Institute for Biotechnology, Huntsville, AL
Background/Purpose: Systemic sclerosis (SSc) is a multisystem autoimmune disorder that has an unclear etiology and disproportionately affects individuals of African ancestry (AA). Despite this, AA…
Abstract Number: 1470 • ACR Convergence 2021
Cartilage Epigenetic Changes Induced by Microbial DNA Amplified from Human OA Samples
Vladislav Izda¹, Christopher Dunn², Cassandra Sturdy¹, Jake Martin¹, Cassandra Velasco², Paul Jacob³ and Matlock Jeffries¹, ¹Oklahoma Medical Research Foundation, Oklahoma City, OK, ²University of Oklahoma Health Sciences Center, Oklahoma City, OK, ³Oklahoma Joint Reconstruction Institute, Oklahoma City, OK
Background/Purpose: Strong links between epigenetic changes, particularly alterations in DNA methylation, have been linked with the onset and progression of knee osteoarthritis (OA); however, the…
Abstract Number: 1483 • ACR Convergence 2021
Down-regulation of Hematopoietic Progenitor Kinase 1 by Aberrant Epigenetic Alterations in T Follicular Helper Cells Accounts for Excessive Immunity in Systemic Lupus Erythematosus
Qing Zhang¹, Huilin Zhang² and Yuming Xie¹, ¹Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha, China (People's Republic), ²Clinical Nursing Teaching and Research Section, Second Xiangya Hospital, Central South University, Changsha, China (People's Republic)
Background/Purpose: Recently, T follicular helper cells (Tfh cells) have been discovered to be the main CD4+ T cells assisting B cells to produce antibody. Tfh…
Abstract Number: 1789 • ACR Convergence 2021
Prediction of Psoriatic Arthritis in Patients with Psoriasis Using DNA Methylation Profiles
Omar Cruz Correa¹, Remy Pollock¹, Rohan Machhar² and Dafna Gladman³, ¹University Health Network, Toronto, ON, Canada, ²Krembil Research Institute, University Health Network, Toronto, ON, Canada, ³Schroeder Arthritis Institute, Krembil Research Institute, Toronto Western Hospital, Toronto, ON, Canada
Background/Purpose: Psoriatic arthritis (PsA) poses an immense clinical burden with significantly increased morbidity and mortality risk compared to psoriasis alone. PsA may develop in 30%…
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…

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