Abstracts Archive - Page 888 of 2607 - ACR Meeting Abstracts

Abstract Number: 0774 • ACR Convergence 2020
Nr4a1-high Arthritogenic T Cells from SKG Mice Are Associated with Markers of Recent and Chronic Antigen-stimulation and an Altered T Cell Receptor Repertoire
Judith Ashouri-Sinha¹, Elizabeth McCarthy¹, Steven Yu², Chun Jimmie Ye¹ and Arthur Weiss¹, ¹UNIVERSITY OF CALIFORNIA, SAN FRANCISCO, San Francisco, CA, ²UNIVERSITY OF CALIFORNIA, SAN FRANCISCO, San Francsico, CA
Background/Purpose: T cells can either be activated through their T cell receptor (TCR) in an antigen-specific manner, or in response to cytokines. Identification of antigen-reactive…
Abstract Number: 0775 • ACR Convergence 2020
T and B Cell Responses to Common Tenascin-C Peptides in RA
JING Song¹, Anja Schwenzer², Sara Turcinov³, Alicia Wong², Cliff Rims¹, Lorena Rodriguez Martinez², David Arribas-Layton⁴, Christina Gerstner⁵, Virginia Muir⁶, Jeffrey Carlin⁷, Kim Midwood², Vivianne Malmström⁸, Eddie James¹ and Jane Buckner¹, ¹Center for Translational Immunology, Benaroya Research Institute at Virginia Mason, Seattle, WA, ²Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom, ³Division of Rheumatology, Department of Medicine,Center for Molecular Medicine, Institutet, Stockholm, Sweden, ⁴Center for Translational Immunology, Benaroya Research Institute at Virginia Mason, Seattle, ⁵Division of Rheumatology, Department of Medicine,Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden, ⁶Center for Systems Immunology, Benaroya Research Institute at Virginia Mason, Seattle, WA, ⁷Department of Rheumatology, Virginia Mason Medical Center, Seattle, WA, ⁸Karolinska Institutet, Stockholm, Stockholms Lan, Sweden
Background/Purpose: Although autoreactive CD4+ T cell and antibody responses against citrullinated antigens are known to contribute to loss of immune tolerance in rheumatoid arthritis (RA),…
Abstract Number: 0776 • ACR Convergence 2020
The Influence of Adipokine Profile and Periodontal Infection in Early Stages of Rheumatoid Arthritis and First-degree Relatives
Consuelo Romero-Sanchez¹, Juliette De Avila², Jeimmy Andrea Chaparro-Sanabria³, Philipe Chalem Choueka⁴, Juan Manuel Bello-Gualtero⁵, Alejandro Ramos-Casallas², Lorena Chila-M² and Wilson Bautista-Molano⁶, ¹Hospital Militar Central, Rheumatology and Immunology Department, Universidad Militar Nueva Granada / Clinical Immunology Group, Hospital Militar Central, School of Medicine, Universidad Militar Nueva Granada /Universidad El Bosque, Cellular and Molecular Immunology Group -InmuBo-, School of Dentistry, Bogotá D.C., Colombia, ²Universidad El Bosque, Cellular and Molecular Immunology Group -InmuBo-, School of Dentistry, Bogotá D.C., Colombia, ³Clinical Immunology Group, Hospital Militar Central, School of Medicine, Universidad Militar Nueva Granada, Bogotá D.C., Colombia, ⁴Fundacion Instituto de Reumatología Fernando Chalem, Universidad El Rosario, Bogotá D.C., Colombia, ⁵Hospital Militar Central, Rheumatology and Immunology Department, Universidad Militar Nueva Granada/ Clinical Immunology Group, Hospital Militar Central, School of Medicine, Universidad Militar Nueva Granada, Bogotá D.C., Colombia, ⁶University Hospital Fundación Santa Fé de Bogotá and Universidad El Bosque, Bogotá, Colombia
Background/Purpose: Early RA (eRA) patients have a significant incidence of periodontal inflammation and overweight/obesity. A similar degree of disease activity, functional disability and health-related quality…
Abstract Number: 0777 • ACR Convergence 2020
CLEC12A Expression as a Potential Predictor of Disease Activity in Early Rheumatoid Arthritis
Myriam Vaillancourt¹, Philippe Desaulniers¹, Guillaume Paré¹, Nathalie Pagé¹, Asmaa Lachaab¹, Anthony Kerever¹, Anne-Sophie Julien¹, Nathalie Amiable¹, Martin Pelletier¹, Philippe Tessier¹, Louis Bessette², Paul Fortin³, Laetitia Michou¹ and Maria Fernandes¹, ¹Université Laval, Québec, QC, Canada, ²Laval University, Quebec, Canada, ³CHU de Quebec - Universite Laval, Quebec, Canada
Background/Purpose: Rheumatoid arthritis (RA) develops as a result of the dysregulation of immune activating and inhibitory pathways. Several lines of evidence indicate that inhibitory receptors…
Abstract Number: 0778 • ACR Convergence 2020
Bacterial Families Lachnospiraceae/Ruminococcaceae Are Immunologically Targeted in Individuals At-risk for RA and a Specific Strain Is Arthritogenic in Monocultured Gnotobiotic Mice
Meagan Chriswell¹, Jennifer Seifert², Lisa Blum³, Michelle Bloom³, Marie Feser⁴, M Kristen Demoruelle⁵, Jill Norris⁶, Kevin D. Deane⁷, Eddie James⁸, Jane Buckner⁸, William Robinson³, V. Michael Holers⁵ and Kristine Kuhn⁹, ¹UC Denver SOM, Denver, CO, ²UC Denver, Littleton, CO, ³Stanford University, Palo Alto, CA, ⁴Division of Rheumatology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA, Colorado, ⁵University of Colorado, Denver, CO, ⁶Colorado School of Public Health, Aurora, CO, ⁷2 Division of Rheumatology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA, Colorado, ⁸Center for Translational Immunology, Benaroya Research Institute at Virginia Mason, Seattle, WA, ⁹University of Colorado Anschutz Medical Campus, Aurora, CO
Background/Purpose: Circulating autoantibodies, including anti-CCP and RF, develop years before physical manifestations of rheumatoid arthritis (RA), with several lines of evidence suggesting that these autoantibodies…
Abstract Number: 0779 • ACR Convergence 2020
Antibody Responses to Epstein-Barr Virus Are Altered in the Pre-Clinical Period of Rheumatoid Arthritis
Sabrina Fechtner¹, Heather Berens², Elizabeth Bemis³, M Kristen Demoruelle², Carla J. Guthridge⁴, John Harley⁵, Judith James⁶, Jess Edison⁷, Kevin D. Deane⁸, Jill Norris⁹ and V. Michael Holers², ¹University of Colorado, Aurora, CO, ²University of Colorado, Denver, CO, ³Colorado School of Public Health Anschutz Medical Campus, Aurora, CO, ⁴Oklahoma Medical Research Foundation, Oklahoma City, OK, ⁵Cincinnati Children's Hospital Medical Center/Univ of Cincinnati College of Medicine, Cincinnati, OH, ⁶Arthritis and Clinical Immunology Research Program, Oklahoma Medical Research Foundation;Department of Pathology, University of Oklahoma Health Sciences Center;Department of Medicine, University of Oklahoma Health Sciences Center, Edmond, OK, ⁷Walter Reed National Military Medical Center, Bethesda, ⁸2 Division of Rheumatology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA, Colorado, ⁹Colorado School of Public Health, Aurora, CO
Background/Purpose: Viral infections, including infection with Epstein-Barr virus (EBV), have been suggested as environmental risk factors for rheumatoid arthritis (RA). EBV infections are known to…
Abstract Number: 0780 • ACR Convergence 2020
Subsets of Synovial Fluid Derived Fibroblast-like Synoviocytes in Rheumatoid Arthritis
Kuninobu Wakabayashi¹, Takeo Isozaki¹, Shin Ohta² and Tsuyoshi Kasama³, ¹Division of Rheumatology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan, ²Division of Respiratory Medicine and Allergology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan, ³Division of Rheumatology, Department of Medicine, Showa University School of Medicine, Koutou-ku Tokyo, Japan
Background/Purpose: In rheumatoid arthritis (RA), fibroblast-like synoviocytes (FLS) secrete inflammatory cytokines and chemokines, invade and degrade cartilage, and stimulate osteoclast that cause bone erosion. Recently,…
Abstract Number: 0781 • ACR Convergence 2020
Phenotypic and Functional Characterisation of Synovial Fluid-derived Fibroblast-like Synoviocytes in Rheumatoid Arthritis
Ditte Køster¹, Johanne Hovgaard Egedal¹, Malene Hvid¹, Martin Roelsgaard Jakobsen¹, Ulf Müller-Ladner², Bent Deleuran¹, Tue Wenzel Kragstrup¹, Elena Neumann³ and Morten Aagaard Nielsen¹, ¹Aarhus University, Aarhus, Denmark, ²Department of Rheumatology, Immunology, Osteology and Physical Medicine, Justus Liebig University Gießen, Campus Kerckhoff, Bad Nauheim, Germany, Bad Nauheim, Germany, ³Department of Rheumatology and Clinical Immunology, Campus Kerckhoff, Justus Liebig University Giessen, Bad Nauheim, Germany
Background/Purpose: Fibroblast-like synoviocytes (FLS) are central cellular components in persistent inflammatory joint diseases such as rheumatoid arthritis (RA). Pathological subsets of FLS have been identified…
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: 0783 • ACR Convergence 2020
Role of Glutamine Metabolism in Rheumatoid Arthritis Fibroblast-Like Synoviocyte Aggressive Phenotype
Alyssa Torres¹, Brian Pedersen¹, Gary Firestein², Elsa Sanchez-Lopez¹ 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: Fibroblast-like synoviocyte (FLS) activation is a key component of rheumatoid arthritis (RA) inflamed synovium. Their aggressive phenotype in RA contributes to initiation and perpetuation…
Abstract Number: 0784 • ACR Convergence 2020
Upregulation of Tyro3TK on CD14+CD16- Monocytes Promotes Osteoclast Formation in Rheumatoid Arthritis
Jimeng Xue¹, Liling Xu¹, Fanlei Hu¹ and Yin Su², ¹Department of Rheumatology and Immunology, Peking University People’s Hospital, Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135), Beijing, China, Beijing, China (People's Republic), ²Department of Rheumatology and Immunology, Peking University People’s Hospital, Beijing, China (People's Republic)
Background/Purpose: The study aimed to investigate the expression and clinical significance of Tyro3TK on CD14+CD16+ and CD14+CD16- monocyte subsets and explore the effect of Tyro3TK…
Abstract Number: 0785 • ACR Convergence 2020
Identification of Recruited CCR2+ Inflammatory Monocytes in a Mouse Model of RA-associated Lung Disease with Potential Role for resolvin-D1 in Reducing Monocyte Inflammatory Responses
Austin Barry¹, Geoffrey Thiele¹, Ted Mikuls¹, Michael Duryee¹, Amy Nelson¹, Rohit Gaurav¹, Bryant England¹ and Jill Poole¹, ¹University of Nebraska Medical Center, Omaha, NE
Background/Purpose: Patients with rheumatoid arthritis (RA) are at an increased risk for comorbid chronic lung disease, with premature mortality. Therapies for RA-associated lung disease are…
Abstract Number: 0786 • ACR Convergence 2020
A Combination of Dimensionality Reduction Techniques Reveals Novel HLA-DR+ ‘Candidate’ Antigen-Presenting Cell Subsets (cAPC) in Patients with Rheumatoid Arthritis (RA)
Christian Geier¹, Jon Giles¹, Samantha Gaines², Christopher Depender¹, Joan Bathon¹ and Robert Winchester¹, ¹Division of Rheumatology, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, ²Division of Rheumatology, Columbia University Vagelos College of Physicians and Surgeons, New York
Background/Purpose: The presentation of MHC-peptide complexes to T lymphocytes via antigen-presenting cells (APC) is a crucial step in the initiation of immune responses. Dendritic cells…
Abstract Number: 0787 • ACR Convergence 2020
MerTK Synovial Expression Correlates with Disease Activity and Treatment Response in Rheumatoid Arthritis Patients
Alessandra Nerviani¹, Marie-Astrid Boutet¹, Giulia Maria Ghirardi², Gloria Lliso-Ribera², Felice Rivellese¹, Myles Lewis¹, Michele Bombardieri², Frances Humby² and Costantino Pitzalis², ¹Centre for Experimental Medicine and Rheumatology, Queen Mary University of London, London, United Kingdom, ²Queen Mary University of London, London, United Kingdom
Background/Purpose: Despite valuable improvements in long-term clinical outcomes, a significant portion of rheumatoid arthritis (RA) patients still do not adequately respond to available treatments, and…
Abstract Number: 0788 • ACR Convergence 2020
Rigorous Plasma Microbiome Analysis Method Enables Disease Association Discovery
Wei Jiang¹, Alexander Alekseyenko², Gary Gilkeson³, Jim Oates⁴, Elizabeth Ogunrind⁵, Quan Li⁶, Diane Kamen², Betty Tsao⁵ and Zhenwu Luo⁵, ¹MUSC, Charleston, SC, ²Medical University of South Carolina, Charleston, SC, ³Division of Rheumatology, Medical University of South Carolina, Charleston, SC, ⁴Medical University of South Carolina, Charleston, SC, Charleston, SC, ⁵Medical University of South Carolina, Charleston, ⁶UT South Western Medical Center, Texas
Background/Purpose: The mucosal microbiome contributes to disease pathogenesis via local and systemic interaction with the host. The hallmark of this interaction in the physiological condition…

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