Abstracts tagged "T Cell"

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: 1407 • ACR Convergence 2020
Resolvin D5 Modulates Th17/Treg Cell Differentiation and Suppresses Osteoclastogenesis
Hirotaka Yamada¹, Jun Saegusa², Sho Sendo³, Yo Ueda⁴, Takaichi Okano¹, Yoshikazu Fujikawa⁵, Yuzuru Yamamoto⁶, Takumi Nagamoto¹, Yoshihide Ichise¹, Ikuko Naka¹, Kengo Akashi⁷, Akira Onishi⁷, Masakazu Shinohara¹ and Akio Morinobu⁷, ¹Kobe University, Kobe, Japan, ²Department of Clinical Laboratory, Kobe University Hospital, Kobe, Japan, ³Kobe University, Kobe, ⁴Kobe UniversityRheumatology and Clinical Immunology, Kobe University Hospital, Kobe, Japan, ⁵Kobe University, Kobe city, Japan, ⁶Kobe University, Kobe-city, Japan, ⁷Rheumatology and Clinical Immunology, Kobe University Hospital, Kobe, Japan
Background/Purpose: Over the last two decades, it has become increasingly clear that resolution of acute inflammation is not a passive process, but requires active modulation.…
Abstract Number: 1857 • ACR Convergence 2020
KIR3DL2 Is Not Overexpressed on CD4+ T Cells and NK Cells in Patients with Axial Spondyloarthritis csDMARD and bDMARD Naive
Guillaume Larid¹, Sophie Trijau¹, Clothilde Barral¹, Pierre Lafforgue¹ and Thao Pham², ¹Aix Marseille Univ, APHM, Rheumatology department, Marseille, France, ²Aix Marseille Univ, APHM, department of rheumatology, Marseille, France
Background/Purpose: Overexpression of KIR3DL2 on CD4+ T-cells and NK-cells has been reported in patients with ankylosing spondylitis (AS) HLAB27+. We aimed to 1) analyse KIR3DL2…
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: 1408 • ACR Convergence 2020
Metabolic Reprogramming in Memory CD4+ T Cells Is Associated with Immune Cell Dysfunction During Aging
Yuling Chen¹, Yuanchun Ye², Hao Wu³, Pierre-Louis Krauß¹, Pelle Löwe¹, Moritz Pfeiffenberger¹, Lisa Ehlers¹, Thomas Buttgereit⁴, Paula Hoff⁵, Frank Buttgereit⁶ and Timo Gaber¹, ¹Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Rheumatology and Clinical Immunology, Berlin, Germany, ²Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Hematology, Oncology and Tumor Immunology, Berlin, Germany, ³Julius-Maximilians Universität Würzburg, Institut für Systemimmunologie, Würzburg, Germany, ⁴Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Dermatology, Venerology, and Allergology, Berlin, Germany, ⁵Endokrinologikum Berlin, Rheumatologie, Berlin, Germany, ⁶Charité University Medicine, Berlin, Germany
Background/Purpose: Inflamm-aging is a chronic, sterile, low-grade inflammatory status, characterized by an increase of proinflammatory cytokines which participate in the development of most age-related diseases…
Abstract Number: 1858 • ACR Convergence 2020
Increased Proportion of TH17, TH22 and TC17 Cells and the Correlation to IL-22 and Clinical Parameters in Patients with Ankylosing Spondylitis from Northern Sweden
Kristina Lejon¹, Urban Hellman², Lan Do², Anjani Kumar² and Helena Forsblad-d'Elia³, ¹Department of Clinical microbiology, Infection and Immunology, Umeå University, Umeå, Sweden, ²Department of Public Health and Clinical Medicine, Rheumatology, Umeå, Sweden, ³Department of Public Health and Clinical Medicine/Rheumatology, Umeå University, Umeå, Vasterbottens Lan, Sweden
Background/Purpose: Increased levels of TH17 and TH22 as well as TC17 and TC22 cells have previously been associated with ankylosing spondylitis (AS). The correlation between…
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: 1409 • ACR Convergence 2020
Lack of Conventional Acinar Cells in the Salivary Gland Following Anti PD-L1 and anti-PD-1 Immune Checkpoint Inhibitor Therapy
Sarah Pringle¹, Bert van der Vegt¹, Xiaoyan Wang¹, Nico van Bakelen¹, Arjan Vissink¹, Frans Kroese² and Hendrika Bootsma², ¹UMCG, Groningen, ²University Medical Centre Groningen, Groningen, Netherlands
Background/Purpose: Salivary glands (SGs) can be damaged by immune checkpoint inhibitor (ICI) therapy. In patients with ICI-induced SG dysfunction, 60% progress to fulfill the ACR-EULAR…
Abstract Number: 1949 • ACR Convergence 2020
CB2 Receptor Distribution and Effects of LenabasumTM in Dermatomyositis In Vitro
Spandana Maddukuri¹, Jay Patel², Christina Bax³, Maria Wysocka³ and Victoria Werth⁴, ¹University of Pennsylvania and the Michael J. Crescenz VA Medical Center, Montville, NJ, ²University of Pennsylvania and the Michael J. Crescenz VA Medical Center, Philadelphia, ³University of Pennsylvania, Department of Dermatology, Philadelphia, ⁴University of Pennsylvania and Corporal Michael J. Crescenz Veterans Administration Hospital, Philadelphia
Background/Purpose: Dermatomyositis (DM) patients report poor quality of life due to disease activity and persistent itch. Lenabasum is an oral non-immunosuppressive, non-psychoactive cannabinoid type 2…
Abstract Number: 0030 • ACR Convergence 2020
Distinct DNA Methylation Patterns of Rheumatoid Arthritis Peripheral Blood and Synovial Tissue T Cells
Rizi Ai¹, Gary Firestein², David Boyle³ and Wei Wang⁴, ¹University of California San Diego, San Diego, CA, ²University of California, San Diego, La Jolla, CA, ³UCSD, La Jolla, CA, ⁴UCSD, La Jolla
Background/Purpose: To understand the epigenetic patterns of T cells accumulated in rheumatoid arthritis (RA) synovium, we characterized DNA methylation of CD3+ T cells in peripheral…
Abstract Number: 0838 • ACR Convergence 2020
T Cell–Specific CaMKIV Deficiency Protects Mice from Imiquimod-induced Glomerulonephritis
Milena Vukelic¹, Masataka Umeda¹, Andrew Ferretti², Rhea Bhargava¹, Nobuya Yoshida¹ and George Tsokos³, ¹Beth Israel Deaconess Medical Center Harvard Medical School, Boston, MA, ²Beth Israel Deaconess Medical Center Harvard Medical School, Boston, ³Division of Rheumatology & Clinical Immunology/Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA
Background/Purpose: Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized by autoantibody production, immune complex deposition and multisystem involvement. Calcium/calmodulin-dependent protein kinase type IV…
Abstract Number: 1410 • ACR Convergence 2020
Resident Memory T Cells Persist in Joints of Anakinra-Treated Mice in Spontaneous Arthritis Model
Anais Levescot¹, Margaret Chang², Alexandra Wactor¹, Rachel Blaustein¹, Nathan Nelson-Maney¹, Robert Fuhlbrigge³ and Peter Nigrovic⁴, ¹Brigham and Women's Hospital, Boston, MA, ²Boston Children's Hospital, Boston, MA, ³University of Colorado, Denver, CO, ⁴Division of Rheumatology, Inflammation and Immunity, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Division of Immunology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA, Boston
Background/Purpose: Inflammatory arthritis is characterized by chronic inflammation of joints which can be suppressed with immunomodulatory therapy. However, two-thirds of patients will have an arthritis…
Abstract Number: 1952 • ACR Convergence 2020
Activated Memory T Cells Produce Ligands That Cause NF-κB-dependent Inflammatory Activation of the Endothelium: Identification of Novel Therapeutic Targets
Kim Jeucken¹, Jan Piet van Hamburg¹, Lotte Kocken¹ and Sander Tas², ¹Amsterdam Rheumatology and Immunology Center (ARC), Department of Rheumatology and Clinical Immunology, Department of Experimental Immunology and Amsterdam Infection and Immunity Institute, Amsterdam UMC; location AMC, University of Amsterdam, Netherlands, Amsterdam, Netherlands, ²Amsterdam Rheumatology and Immunology Center (ARC), Department of Rheumatology and Clinical Immunology, Department of Experimental Immunology and Amsterdam Infection and Immunity Institute, Amsterdam UMC; location AMC, University of Amsterdam, Netherlands, Utrecht, Netherlands
Background/Purpose: Endothelial cells (EC) are important contributors to inflammation via expression of inflammatory mediators, including cytokines, chemokines and adhesion molecules. Production of these inflammatory mediators…
Abstract Number: 0095 • ACR Convergence 2020
Systematic Evaluation of Nine Monogenic Autoinflammatory Diseases Reveals Common and Disease-Specific Correlations with Allergy-Associated Features
Moses Kitakule¹, Brian Dizon², Cristhian Gutierrez-Huerta¹, Sarah Blackstone², Aarohan Burma¹, Aran Son¹, Natalie Deuitch¹, Sofia Rosenzweig¹, Hirsh Komarow¹, Deborah Stone³, Anne Jones⁴, Michele Nehrbecky¹, Patrycja Hoffmann⁵, Tina Romeo⁶, Adriana de Jesus⁷, Sara Alehashemi⁸, Megha Garg⁹, Sofia Torreggiani¹⁰, Gina Montealegre Sanchez¹¹, Katelin R. Honer¹⁰, Karyl Barron¹, Ivona Aksentijevich⁴, Amanda Ombrello¹², Raphaela Goldbach-Mansky¹³, Daniel Kastner¹⁴, Joshua Milner¹⁵, Pamela Frischmeyer-Guerrerio¹ and Daniella Schwartz¹⁶, ¹National Institutes of Health, Bethesda, ²National Institutes of Health, BETHESDA, MD, ³NIH, Bethesda, ⁴National Human Genome Research Institute, Bethesda, MD, ⁵NIH, Vienna, VA, ⁶NIH, Bethesda, MD, ⁷Translational Autoinflammatory Disease Section (TADS)/NIAID/NIH, Silver Spring, MD, ⁸Translational Autoinflammatory Disease Section (TADS)/NIAID/NIH, Clarksville, MD, ⁹NIH/NIAID, Rochester, NY, ¹⁰Translational Autoinflammatory Disease Section (TADS)/NIAID/NIH, Bethesda, MD, ¹¹NIAID/NIH, Rockville, MD, ¹²National Human Genome Research Institute/National Institutes of Health, Bethesda, MD, ¹³Translational Autoinflammatory Disease Section (TADS)/NIAID/NIH, Potomac, MD, ¹⁴National Human Genome Research Institute (NHGRI), NIH, Bethesda, MD, ¹⁵Division of Allergy, Immunology and Rheumatology Columbia University Medical Center, New York, NY, ¹⁶National Institutes of Health Clinical Center, Bethesda, MD
Background/Purpose: Monogenic autoinflammatory diseases (AID) are caused by mutations in innate immune signaling genes. The effect of these mutations on the risk of allergy is…
Abstract Number: 0840 • ACR Convergence 2020
Amelioration of Immune Complex-Mediated Glomerulonephritis via CD6 Modulation
Samantha Chalmers¹, Sayra Garcia¹, Leal Herlitz², Jeanette Ampudia³, Cherie Ng⁴, Stephen Connelly³ and Chaim Putterman¹, ¹Albert Einstein College of Medicine, Bronx, NY, ²Cleveland Clinic, Cleveland, OH, ³Equillium, Inc, San Diego, CA, ⁴Equillium, Inc, La Jolla, CA
Background/Purpose: CD6 is a co-stimulatory receptor, predominantly expressed on T cells, that binds to activated leukocyte cell adhesion molecule (ALCAM), a ligand expressed on antigen-presenting…