Abstracts tagged "Epigenetics"

Abstract Number: 0782 • ACR Convergence 2020
Epigenetic Regulation of Metabolic Transporters in Rheumatoid Arthritis Fibroblast-Like Synoviocytes
Brian Pedersen¹, Rizi Ai¹, Alyssa Torres¹, Wei Wang¹, Gary Firestein² and Monica Guma³, ¹University of California San Diego, La Jolla, ²University of California, San Diego, La Jolla, CA, ³Division of Rheumatology, University of California San Diego, Department of Medicine, Autonomous University of Barcelona, La Jolla, CA
Background/Purpose: Epigenetic changes contribute to the pathogenesis of rheumatoid arthritis (RA) and a comprehensive epigenomic characterization of RA fibroblast-like synoviocytes (FLS) has recently been described.…
Abstract Number: 0837 • ACR Convergence 2020
Deletion of miR-223 Exacerbates Lupus Nephritis by Targeting S1pr1 in Faslpr/lpr Mice
Sumie Hiramatsu Asano¹, Tomoyuki Mukai², Yoshitaka Morita³ and Jun Wada⁴, ¹Kawasaki Medical School/Department of Rheumatology, Kurashiki city, Japan, ²Kawasaki Medical School, Kurashiki-shi, Okayama, Japan, ³Kawasaki Medical School/Department of Rheumatology, Kurashiki, Okayama, Japan, ⁴Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences., Okayama city, Japan
Background/Purpose: To identify new candidate genes regulated by micro RNAs (miRNAs) and involved in the pathogenesis of systemic lupus erythematosus (SLE), we integrated miRNA and…
Abstract Number: 1525 • ACR Convergence 2020
Intergenic HLA Variants in African American Patients with Systemic Sclerosis Regulate Expression of HLA-DRB1
Urvashi Kaundal¹, Julia Hartman², Chloe Borden², Janet Wang³, Ami Shah⁴, Maureen Mayes⁵, Ayo Doumatey⁶, Amy Bentley⁷, Daniel Shriner⁶, Robyn Domsic⁸, Thomas Medsger⁹, Paula Ramos¹⁰, Richard Silver¹¹, Virginia Steen¹², John Varga¹³, Vivien Hsu¹⁴, Lesley Ann Saketkoo¹⁵, Elena Schiopu¹⁶, Dinesh Khanna¹⁷, Jessica Gordon¹⁸, Lindsey Criswell¹⁹, Heather Gladue²⁰, Chris Derk²¹, Elana Bernstein²², S. Louis Bridges²³, Victoria Shanmugam²⁴, Kathleen Kolstad²⁵, Lorinda Chung²⁶, Suzanne Kafaja²⁷, Reem Jan²⁸, Marcin Trojanowski²⁹, Avram Goldberg³⁰, Benjamin Korman³¹, Monique Hinchcliff³², Settara Chandrasekharappa⁶, Massimo Gadina², Davide Randazzo², Stefania Dell'Orso², Adebowale Adeyemo⁶, Charles Rotimi⁶, Elaine Remmers⁶, Fredrick Wigley³³, Rafael Casellas², Daniel Kastner⁶, Francesco Boin³⁴ and Pravitt Gourh¹, ¹National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), NIH, Bethesda, ²National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), NIH, Bethesda, MD, ³National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), NIH, Beachwood, OH, ⁴Johns Hopkins University School of Medicine, Ellicott City, MD, ⁵University of Texas Houston McGovern Medical School, Division of Rheumatology and Clinical Immunogenetics, Houston, TX, ⁶National Human Genome Research Institute (NHGRI), NIH, Bethesda, MD, ⁷National Human Genome Research Institute (NHGRI), NIH, Bethedsa, MD, ⁸University of Pittsburgh School of Medicine, Pittsburgh, PA, ⁹University of Pittsburgh School of Medicine, Verona, PA, ¹⁰Medical University of South Carolina, Charleston, SC, ¹¹Medical University of South Carolina, Charleston, ¹²Division of Rheumatology, Department of Medicine, MedStar Georgetown University Hospital, Washington, DC, ¹³Northwestern University, Chicago, IL, ¹⁴Rutgers-RWJ Medical School, South Plainfield, NJ, ¹⁵Scleroderma Patient Care and Research Center, Tulane University, New Orleans, LA, ¹⁶Michigan Medicine, Ann Arbor, MI, ¹⁷University of Michigan, Ann Arbor, MI, ¹⁸Hospital for Special Surgery, New York, NY, ¹⁹Rosalind Russell/Ephraim P. Engleman Rheumatology Research Center, University of California San Francisco, San Francisco, CA, ²⁰Arthritis and Osteoporosis Consultants of the Carolinas, Charlotte, NC, ²¹University of Pennsylvania, Philadelphia, PA, ²²Columbia University, New York, NY, ²³University of Alabama at Birmingham, Mountain Brk, AL, ²⁴The George Washington University, Washington, DC, ²⁵Division of Immunology & Rheumatology, Stanford University School of Medicine, Palo Alto, CA, ²⁶Stanford University School of Medicine and Palo Alto VA Health Care System, Palo Alto, CA, ²⁷David Geffen School of Medicine, UCLA, Los Angeles, CA, ²⁸Pritzker School of Medicine, University of Chicago, Chicago, IL, ²⁹Boston University Medical Center, BOSTON, MA, ³⁰NYU Langone Medical Center - NYU Hospital for Joint Diseases, Lake Success, NY, ³¹Department of Medicine, University of Rochester Medical Center, Rochester, NY, ³²Yale School of Medicine, Westport, CT, ³³Johns Hopkins University School of Medicine, Baltimore, MD, ³⁴University of California San Francisco, Cedars-Sinai, West Hollywood, CA
Background/Purpose: Genome-wide association study (GWAS) from the Genome Research in African American Scleroderma Patients (GRASP) cohort has identified the human leukocyte antigen (HLA) region as…
Abstract Number: 1787 • ACR Convergence 2020
Differences in Chromatin Architecture Between Treatment Naïve Pediatric and Adult Lupus Patients
Joyce Hui-Yuen¹, Frank Jenkins², Kaiyu Jiang³, Susan Malkiel⁴, Betty Diamond⁴ and James Jarvis⁵, ¹Northwell LIJ Health System, Manhasset, NY, ²Northwell Health, Manhasset, ³University at Buffalo, Buffalo, NY, ⁴Northwell Health, Manhasset, NY, ⁵University at Buffalo Jacobs School of Medicine, Buffalo, NY
Background/Purpose: Systemic lupus erythematosus (SLE) is possibly triggered by gene-environment interactions. We showed most of the SLE haplotypes encompass genomic regions enriched for epigenetic marks…
Abstract Number: 1812 • ACR Convergence 2020
Longitudinal Blood DNA Methylation in a Multi-ethnic Cohort of SLE Patients
Cristina Lanata¹, Joanne Nititham², Kim Taylor², Sharon Chung², Laura Trupin¹, Patricia Katz³, Maria Dall'Era⁴, Jinoos Yazdany¹, Marina Sirota¹, Lisa Barcellos⁵ and Lindsey Criswell⁶, ¹UCSF, San Francisco, CA, ²University of California, San Francisco, San Francisco, CA, ³University of California, San Francisco, Novato, CA, ⁴Division of Rheumatology, University of California, San Francisco, CA, ⁵UC Berkeley, Berkeley, CA, ⁶Rosalind Russell/Ephraim P. Engleman Rheumatology Research Center, University of California San Francisco, San Francisco, CA
Background/Purpose: Cross-sectional studies have shown associations between DNA methylation differences in whole blood with Systemic Lupus Erythematosus (SLE) status and outcomes such as lupus nephritis.…
Abstract Number: 1856 • ACR Convergence 2020
Abnormal DNA Methylation in CD4+T Cells Is Associated with Cardiovascular Risk in Psoriatic Arthritis
Iván Arias de la Rosa¹, Maria Dolores Lopez-Montilla², Carlos Pérez-Sánchez¹, Javier Rodriguez-Ubreva³, Esteban Ballestar³, Carmen Torres-Granados¹, María-Carmen Abalos-Aguilera¹, Ignacio Gómez-García¹, Alejandra Maria Patiño-Trives¹, Maria Luque-Tevar¹, Eduardo Collantes-Estévez⁴, Chary Lopez-Pedrera⁵, Alejandro Escudero-Contreras⁴, Clementina Lopez-Medina⁶ and Nuria Barbarroja¹, ¹Rheumatology Department, Reina Sofia University Hospital/ Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/ University of Cordoba, Cordoba, Spain, Cordoba, Spain, ²IMIBIC/University of Cordoba/Reina Sofia Hospital, Cordoba, Spain, ³Josep Carreras Institute (IJC), Badalona, Spain, ⁴Rheumatology Department, Reina Sofia University Hospital/ Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/ University of Cordoba, Cordoba, Spain, Córdoba, Spain, ⁵IMIBIC/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain, ⁶Rheumatology Department, Cochin Hospital, Paris, Paris, France
Background/Purpose: Cardiovascular risk factors are increased in Psoriatic Arthritis (PsA). Latest studies suggested that inflammatory and metabolic disorders may be under epigenetic control, including DNA…
Abstract Number: 1903 • ACR Convergence 2020
Assessment of Global DNA Methylation in Peripheral Blood Cell Subpopulations of Patients with Axial Spondyloarthritis : Preliminary Results
Eric Toussirot¹, Sebastien Pasquereau², Charline Vauchy³, Zeina Nehme⁴, Daniel Wendling⁵, Jean Charles Balbalnc⁶, Caroline Laheurte⁷, Marc Puyraveau⁸ and Georges Herbein², ¹CIC biotherapies, Besançon University Hospital, Besançon, France, ²Pathogens & Inflammation/EPILAB Laboratory, UPRES EA 4266, Besancon, France, ³INSERM CIC-1431, Besancon, France, ⁴Pathogens & Inflammation/EPILAB Laboratory, UPRES EA 4266, Besancon, ⁵CHU Besançon, department of rheumatology, Besancon, France, ⁶Rhumatologie, Trevenans, France, ⁷Plateforme de biomonitring, Besancon, France, ⁸uMETh & INSERM CIC 1431, Besancon, France
Background/Purpose: Axial spondyloarthritis (ax-SpA) corresponds to a group of chronic inflammatory disease mainly affecting the axial skeleton. TNF and IL-17A have been identified as key…
Abstract Number: 1914 • ACR Convergence 2020
Long Non-coding RNA HOTAIR Induces GLI2 Expression Through Notch Signalling in Systemic Sclerosis Dermal Fibroblasts
Christopher Wasson¹, Rebecca Ross¹, Rebecca Wells¹, Clarissa Corinaldesi¹, Ioanna Georgiou², Natalia Riobo-Del Galdo² and Francesco Del Galdo³, ¹1. Leeds Institute of Rheumatic and Musculoskeletal Medicine, Faculty of Medicine and Health, University of Leeds, Leeds, United Kingdom, ²2. School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds, United Kingdom, ³Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK, Leeds, United Kingdom
Background/Purpose: Systemic sclerosis (SSc) is characterised by tissue fibrosis of the major organs of the body including the skin, lungs and heart. We have previously…
Abstract Number: 151 • 2020 Pediatric Rheumatology Symposium
Differences in Chromatin Architecture Between Treatment-Naïve Pediatric and Adult Lupus Patients
Joyce Hui-Yuen¹, Frank Jenkins ², Kaiyu Jiang ³, Betty Diamond ² and James Jarvis ⁴, ¹Cohen Children's Medical Center, New Hyde Park, ²Northwell Health, Manhasset, ³University at Buffalo, Buffalo, ⁴University at Buffalo Jacobs School of Medicine, Buffalo
Background/Purpose: Systemic lupus erythematosus (SLE) is possibly triggered by gene-environment interactions. We showed most of the SLE haplotypes contain epigenetic marks associated with enhancer function…
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: 2740 • 2019 ACR/ARP Annual Meeting
Takayasu Arteritis Associated Risk Locus in IL6 Represses the Anti-inflammatory Gene GPNMB Through Chromatin Looping and Recruiting MEF2-HDAC Complex
Xiufang Kong ¹ and Amr Sawalha², ¹University of Michigan & Fudan University, Ann Arbor, MI, ²University of Pittsburgh & University of Michigan, Pittsburgh, PA
Background/Purpose: Previous work has revealed a genetic association between Takayasu arteritis and a non-coding genetic variant in an enhancer region within IL6 (rs2069837 A/G). The…
Abstract Number: 2743 • 2019 ACR/ARP Annual Meeting
Characterizing the Epigenomic Landscape of Psoriasis Patients Destined to Develop Psoriatic Arthritis
Remy Pollock¹, Rohan Machhar ¹, Vinod Chandran ² and Dafna Gladman ³, ¹Krembil Research Institute, University Health Network, Toronto, Canada, ²University Health Network, University of Toronto, Toronto, Canada, ³Toronto Western Hospital, Toronto, Canada, Toronto, ON, Canada
Background/Purpose: Approximately 30% of psoriasis patients develop psoriatic arthritis (PsA), an inflammatory musculoskeletal disease, usually after psoriasis onset. A large proportion of individuals with PsA…
Abstract Number: 816 • 2019 ACR/ARP Annual Meeting
The Long Non-coding RNA HOTAIR Regulates BMP2 and Wnt Pathways in Synovial Fibroblasts
Muriel Elhai¹, Raphael Micheroli ¹, Mojca Frank-Bertoncelj ², Kerstin Klein ¹, Oliver Distler ³ and Caroline Ospelt ², ¹Center of Experimental Rheumatology, Department of Rheumatology, University Hospital Zurich, Switzerland., Zürich, Switzerland, ²University Hospital Zürich, Zürich, Switzerland, ³Dept. of Rheumatology, University Hospital Zürich, Zürich, Switzerland, Zürich, Switzerland
Background/Purpose: Mechanisms involved in joint patterning of rheumatic diseases remain unknown. The long non-coding RNA HOTAIR is exclusively expressed in synovial fibroblasts (SF) from lower…
Abstract Number: 1013 • 2019 ACR/ARP Annual Meeting
Effects of Anti-TNF on MiR Expression in Monocytes and CD4+ T-Lymphocytes in Spondyloarthritis
Olivier Fogel¹, Maud Fagny ², Elodie Roche ³, Nelly Sigrist ³, Jean-François Deleuze ⁴, Maxime Dougados ⁵, Corinne Miceli-Richard ¹ and Jorg Tost ³, ¹Paris Descartes University, Department of Rheumatology - Hôpital Cochin, Assistance Publique - Hôpitaux de Paris, Paris, France, ²CEA-CNRGH-Institut François Jacob- Laboratoire Epigenetique et Envrironnement, Evry, Ile-de-France, France, ³CEA-CNRGH-Institut François Jacob- Laboratoire Epigenetique et Envrironnement, Evry, France, ⁴CEA-CNRGH-Institut François Jacob, Evry, France, ⁵Cochin Hospital, Paris, France
Background/Purpose: TNFα inhibitors are an effective treatment for many inflammatory diseases. However, their mechanism of action is more complicated than just blocking the targeted cytokine.…
Abstract Number: 1058 • 2019 ACR/ARP Annual Meeting
Inhibition of Histone Readers Bromodomain and Extraterminal Domain Proteins Alleviates Scleroderma Fibrosis
Sirapa Vichaikul ¹, Phillip Campbell ², M. Asif Amin ³, Jeffrey H. Ruth ³, Dallas Rohraff ¹, David Fox ⁴, Dinesh Khanna ⁵, Amr Sawalha ⁶ and Pei-Suen Tsou³, ¹University of Michigan, Ann Arbor, ²Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, ³University of Michigan, Ann Arbor, MI, ⁴Division of Rheumatology, Department of Internal Medicine, Autoimmunity Center of Excellence,University of Michigan, Ann Arbor, MI, ⁵Scleroderma Program, Division of Rheumatology, Department of Internal Medicine, Autoimmunity Center of Excellence, University of Michigan, Ann Arbor, ⁶University of Pittsburgh & University of Michigan, Pittsburgh, PA
Background/Purpose: Epigenetic regulation, including histone acetylation, plays an important role in scleroderma (SSc) fibrosis. The binding of the bromodomain and extra-terminal domain proteins (BRDs) to…

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