Abstracts tagged "B-Cell Targets"

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: 0860 • ACR Convergence 2020
PREVAIL 1: A Multiple Ascending Dose Study in Normal Healthy Volunteers of PRV-3279, a Novel Bispecific DART Molecule Targeting CD32B and CD79B on B Cells, with Potential for Treatment of SLE
Paul Dunford¹, Gail Comer¹, Ralph Raymond¹, Donald Jung¹, Paul Moore², Francisco Leon¹ and Joan Merrill³, ¹Provention Bio, Oldwick, NJ, ²MacroGenics, Rockville, MD, ³Oklahoma Medical Research Foundation, Oklahoma City, OK
Background/Purpose: B-cell targeted therapeutics have proven efficacious in the treatment of autoimmune disorders. A desired improvement in efficacy and safety necessitate the development of alternate,…
Abstract Number: 0947 • ACR Convergence 2020
STING Gain-of-Function in Radio-resistant Cells Supports a Lymphocyte Dependent Auto-inflammatory Lung Disease
Kevin Gao¹, Mona Motwani¹, Ann Marshak-Rothstein² and Katherine Fitzgerald¹, ¹University of Massachusetts medical school, worcester, MA, ²University of Massachusetts medical school, Newton, MA
Background/Purpose: cGAS-STING is a cytosolic dsDNA sensing pathway whose regulation is vital to immune homeostasis. Pediatric patients with constitutively active STING mutations develop an autoinflammatory…
Abstract Number: 0991 • ACR Convergence 2020
Pathogenic, Glycolytic PD-1+ B Cells Accumulate in the Hypoxic RA Joint
Achilleas Floudas¹, Nuno Neto², Viviana Marzaioli³, Kieran Murray⁴, Barry Moran⁵, Michael Monaghan⁶, Candice Low⁷, Ronan Mullan⁸, Navin Rao⁹, Vinod Krishna⁹, Sunil Nagpal¹⁰, Douglas Veale¹¹ and Ursula Fearon³, ¹Molecular Rheumatology Trinity Biomedical Sciences Institute, Dublin, Dublin, Ireland, ²Department of Mechanical and Manufacturing Engineering, Dublin, Dublin, Ireland, ³Molecular Rheumatology, Trinity College Dublin, Dublin, Dublin, Ireland, ⁴Saint Vincent's University Hospital, Dublin 4, Dublin, Ireland, ⁵Trinity Biomedical Sciences Institute, Dublin, Ireland, ⁶Department of Mechanical and Manufacturing Engineering, Dublin, Ireland, ⁷EULAR Centre for Arthritis and Rheumatic diseases, St Vincents University Hospital, UCD, Dublin, Ireland, ⁸Adelaide and Meath Hospital, Dublin, Dublin, Ireland, ⁹Janssen R&D, Spring House, PA, ¹⁰Janssen Research & Development, Collegeville, PA, ¹¹EULAR Centre for Arthritis and Rheumatic Diseases, St Vincents University Hospital, UCD, Dublin, Dublin, Ireland
Background/Purpose: Rheumatoid arthritis (RA) often has a progressive and debilitating course, with significant impact on the patient’s quality of life. Despite the long-known association with…
Abstract Number: 0992 • ACR Convergence 2020
Impact of Selective Inhibitors of Nuclear Export on SLE Plasma Cells Is Modulated by the BM Microenvironment
Neha Nandedkar-Kulkarni¹, Nida Meednu², Jennifer Albrecht², Jennifer Barnas², Douglas Widman³ and Jennifer Anolik², ¹University of Rochester, Rochester, NY, ²University of Rochester Medical center, Rochester, NY, ³Karyopharm Therapeutics, Newton, MA
Background/Purpose: Systemic lupus erythematous (SLE) is a complex autoimmune disorder with heterogeneous disease presentation and a multi-pronged pathogenesis. Although autoreactive plasma cells play a key…
Abstract Number: 0994 • ACR Convergence 2020
Does Tofacitinib Impact B Cell Functions?
Guillaume Decarriere¹, Julie Mielle², Bernard Combe³, Jacques Morel¹, Rachel Audo² and Claire Daien¹, ¹Rheumatology department, CHU Montpellier and University of Montpellier, Montpellier, France, ²Institut de génétique moléculaire de Montpellier (IGMM), Montpellier, France, ³University of Montpellier, Montpellier, France
Background/Purpose: Tofacitinib (tofa) inhibits cytokine signaling mediated by JAK1 JAK3 pathways leading therefore to a decrease in Th17 and an increase of Treg cells. The…
Abstract Number: 0995 • ACR Convergence 2020
Jo-1-Binding B Cells Undergo Limited Class-Switching but Are Biased Towards Autoreactive-Prone and Memory B Cell Subsets in Anti-histidyl-tRNA Synthetase Syndrome
Jennifer Young-Glazer¹, Alberto Cisneros², Erin Wilfong¹, Scott Smith¹, Leslie J. Crofford¹ and Rachel Bonami¹, ¹Vanderbilt University Medical Center, Nashville, TN, ²Vanderbit University Medical Center, Nashville, TN
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are systemic autoimmune diseases traditionally classified as dermatomyositis or polymyositis, but these disorders are increasingly defined by the presence of…
Abstract Number: 0997 • ACR Convergence 2020
Novel Shared Antibody Specificities in Ro Antibody Negative Sjögren’s Syndrome
Sherri Longobardi¹, Constantin Georgescu², Christina Lawrence³, Charmaine Moya³, Jonathan Wren⁴, Judith James⁵, Kathy Sivils³ and A. Darise Farris⁶, ¹Graduate Program in Biological Sciences, University of Oklahoma Health Sciences Center; Arthritis and Clinical Immunology Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, ²Genes & Human Disease Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, ³Arthritis and Clinical Immunology Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, ⁴Genes & Human Disease Program, Oklahoma Medical Research Foundation, Oklahoma City, ⁵Oklahoma Medical Research Foundation, Oklahoma City, ⁶Arthritis and Clinical Immunology Program, Oklahoma Medical Research Foundation, Oklahoma City
Background/Purpose: Sjögren’s syndrome (SS) is a rheumatic autoimmune disease characterized by focal lymphocytic infiltrates in the lacrimal and salivary glands, severe dry mouth and eyes,…
Abstract Number: 1050 • ACR Convergence 2020
Rituximab in the Treatment of Interstitial Lung Disease Associated with Autoimmune Diseases: Experience from a Single Referral Center
Belén Atienza-Mateo¹, Sara Remuzgo-Martínez², Diana Prieto-Peña¹, Víctor Manuel Mora Cuesta³, David Iturbe-Fernández³, Sonia Fernández Rozas¹, Alfonso Corrales¹, José Manuel Cifrián² and Miguel Ángel González-Gay⁴, ¹Research group on genetic epidemiology and atherosclerosis in systemic diseases and in metabolic bone diseases of the musculoskeletal system, IDIVAL; and Department of Rheumatology, Hospital Universitario Marqués de Valdecilla, Santander, Spain, ²Research group on genetic epidemiology and atherosclerosis in systemic diseases and in metabolic bone diseases of the musculoskeletal system, IDIVAL, Santander, Spain, ³Research group on genetic epidemiology and atherosclerosis in systemic diseases and in metabolic bone diseases of the musculoskeletal system, IDIVAL; and Department of Pneumology, Hospital Universitario Marqués de Valdecilla, Santander, Spain, ⁴Hospital Universitario Marques de Valdecilla, Santander, Cantabria, Spain
Background/Purpose: The presence of interstitial lung disease (ILD) in patients with autoimmune diseases (AD)s influences significantly on their morbidity and mortality [1]. Different treatment strategies…
Abstract Number: 1439 • ACR Convergence 2020
Proteinase 3-Reactive B Cell Pool Restructuring After Rituximab and Risk of Relapse in Severe PR3-ANCA-Associated Vasculitis
Alvise Berti¹, Sophie Hillion², Marta Casal Moura¹, Amber Hummel¹, Eva Carmona¹, Tobias Peikert¹, Carol Langford³, Peter A. Merkel⁴, Paul Monach⁵, Philip Seo⁶, Robert Spiera⁷, Eugene St Clair⁸, Fernando C. Fervenza¹, Kristina Harris⁹, John H. Stone¹⁰, Jacques-Olivier Pers¹¹, Ulrich Specks¹ and Divi Cornec¹², ¹Mayo Clinic, Rochester, MN, ²Brest University, Brest, Bretagne, France, ³Cleveland Clinic, Moreland Hills, OH, ⁴Division of Rheumatology University of Pennsylvania, Philadelphia, PA, ⁵Brigham and Women's, Boston, ⁶Johns Hopkins University, Baltimore, MD, ⁷Division of Rheumatology, Hospital for Special Surgery, New York, New York, USA, New York, NY, ⁸Duke University, Durham, NC, ⁹Immune Tolerance Network, Bethesda, MD, ¹⁰Massachusetts General Hospital Rheumatology Unit, Harvard Medical School, Boston, MA, ¹¹University of Brest, Brest, France, ¹²Rheumatology Department, Brest University Hospital, Brest, France
Background/Purpose: In ANCA-associated vasculitis (AAV) B cells play a central pathogenic role and are instrumental for the production of ANCA, which are thought to mediate…
Abstract Number: 1441 • ACR Convergence 2020
Effects of Belimumab on Renal Outcomes, Overall SLE Control and Biomarkers: Findings from a Phase 3, Randomized, Placebo-controlled 104-week Study in Patients with Active Lupus Nephritis
Richard Furie¹, Brad Rovin², Frédéric Houssiau³, Gabriel Contreras⁴, Ana Malvar⁵, Amit Saxena⁶, Xueqing Yu⁷, Y K Onno Teng⁸, Pieter van Paassen⁹, Ellen M Ginzler¹⁰, Diane Kamen¹¹, Mary Oldham¹², Damon Bass¹³, Andre van Maurik¹⁴, Mary Beth Welch¹³, Yulia Green¹⁵, Beulah Ji¹⁵, Christi Kleoudis¹⁶ and David Roth¹⁷, ¹Northwell Health, Great Neck, NY, ²The Ohio State University, Columbus, ³Cliniques Universitaires Saint-Luc, Brussels, Belgium, ⁴University of Miami Miller School of Medicine, Miami, ⁵Organizacion Medica de Investigacion, Buenos Aires, Argentina, ⁶NYU School of Medicine, New York, ⁷Guangdong Provincial People’s Hospital and Guangdong Academy of Medical Sciences, Guangzhou, China (People's Republic), ⁸Leiden University Medical Center, Leiden, Netherlands, ⁹Maastricht University, Academisch Ziekenhuis Maastricht, Maastricht, Netherlands, ¹⁰SUNY Downstate Health Sciences University, Brooklyn, ¹¹Medical University of South Carolina, Charleston, SC, ¹²GlaxoSmithKline, Stevenage, United Kingdom, ¹³GlaxoSmithKline, Research Triangle Park, ¹⁴GlaxoSmithKline, Stevenage, ¹⁵GlaxoSmithKline, Uxbridge, ¹⁶Parexel (*At the time of study), Durham, ¹⁷GlaxoSmithKline, Collegeville
Background/Purpose: Belimumab (BEL) has demonstrated efficacy in systemic lupus erythematosus (SLE) in 4 positive pivotal trials. This study assessed the efficacy and safety of intravenous…
Abstract Number: 1452 • ACR Convergence 2020
Transcriptomic Meta-analysis Reveals a Core Transcriptional Program in Murine B Cell Anergy and Implicates Immunometabolic Regulation as a Central Pathway in Maintaining Non-responsiveness of Autoreactive B-cells in Both Mouse and Man
Isaac Harley¹, Bergren Crute², Andrew Getahun² and John Cambier³, ¹University of Colorado Anschutz Medical Campus, Aurora, CO, ²University of Colorado – Anschutz Medical Campus, Aurora, ³Univ, Aurora
Background/Purpose: The mechanisms self-tolerance loss that lead to autoantibody-mediated autoimmune disease remain underdefined. The rapid reversibility of peripheral B-cell tolerance in murine models suggests that…
Abstract Number: 1578 • ACR Convergence 2020
Rituximab Hypersensitivity in Rheumatic and Inflammatory Diseases: Role of Skin Testing
Sravani Penumarty¹, Javier Quintero Betancourt², Eugenio Capitle² and Reena Khianey², ¹Rutgers, Eastvale, CA, ²Rutgers, Newark, NJ
Background/Purpose: Infusion-related reactions have been reported with rituximab, a monoclonal antibody targeting the CD20 antigen on B cells, and may result in discontinuation of the…
Abstract Number: 1693 • ACR Convergence 2020
Evaluation of B-cell Depletion with Rituximab and IVIG Concurrent Treatment in Pediatric Autoimmune Brain Disease
Alexis Wilsey¹, Laura Cannon², Stephanie Johannes² and Heather Van Mater², ¹Duke University School of Medicine, Durham, ²Duke University, Durham, NC
Background/Purpose: Rituximab is standard therapy for autoimmune brain disease (ABD) including autoimmune encephalitis (AE) and Neuromyelitis Optica Spectrum Disease (NMOSD). Recommendations for continuing concurrent intravenous…
Abstract Number: 2048 • ACR Convergence 2020
Comparison of Two Rituximab Regimens for Induction of Remission in Antineutrophil Cytoplasm Antibody-associated Vasculitis: Systematic Review and Meta-analysis
Valerie Benard¹, Cynthia Farhat², Melissa Zarandi-Nowroozi², Madeleine Durand³, Christian Pagnoux⁴, Pierre Charles⁵, Xavier Puechal⁶, Loïc Guillevin⁷ and Jean-Paul Makhzoum¹, ¹Vasculitis Clinic, Canadian Network for Research on Vasculitides (CanVasc), Department of Internal Medicine, Hopital du Sacre-Coeur de Montreal, University of Montreal, Montreal, QC, Canada, ²Department of Medecine, University of Montreal, Montreal, QC, Canada, ³Department of Internal Medicine, Centre Hospitalier de l’Universite de Montreal (CHUM) and Centre de Recherche du Centre Hospitalier de l’Universite de Montreal (CRCHUM), Montreal, QC, Canada, ⁴Vasculitis Clinic, Canadian Network for Research on Vasculitides (CanVasc), Department of Rheumatology, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada, ⁵Department of Internal Medicine, Institut Mutualiste Montsouris, Paris, France, ⁶National Referral Center for Rare Systemic Autoimmune Diseases, Cochin Hospital, Paris-Descartes University, Paris, France, ⁷Department of Internal Medecine, National Referral Center for Rare Systemic Autoimmune Diseases, Cochin Hospital, Paris-Descartes University, Paris, France
Background/Purpose: Organ or life-threatening granulomatosis with polyangiitis (GPA) and microscopic polyangiitis (MPA), two of the antineutrophil cytoplasm antibody-associated vasculitis (AAV), are treated with cyclophosphamide or…