Abstracts tagged "Antibodies"

Abstract Number: L02 • 2019 ACR/ARP Annual Meeting
Multiple Industrial Air Pollutants and Anti-Citrullinated Protein Antibody Positivity
Naizhuo Zhao ¹, Audrey Smargiassi ², Marianne Hatzopoulou ³, Ines Colmegna ⁴, Marie Hudson ⁵, Marvin Fritzler ⁶, Philip Awadalla ⁷ and Sasha Bernatsky⁸, ¹Research Institute of the McGill University Health Centre, Montreal, Canada, ²University of Montreal, Montreal, Canada, ³University of Toronto, Toronto, Canada, ⁴McGill University Health Center, Montreal, QC, Canada, ⁵Jewish General Hospital, Lady Davis Institute for Medical Research, and Department of Medicine, McGill University, Montreal, Canada, ⁶Cumming School of Medicine, University of Calgary, Calgary, Canada, ⁷Ontario Institute for Cancer Research, Toronto, Canada, ⁸Research Institute of the McGill University Health Centre, Montreal, QC, Canada
Background/Purpose: Studies of associations between industrial air emissions and rheumatic disease, or diseases-related serological biomarkers, are few. Moreover, previous evaluations typically studied individual (not mixed)…
Abstract Number: 109 • 2019 ACR/ARP Annual Meeting
Targeting CD6 Expression Attenuates T Cell Activity in Murine Collagen Induced Arthritis
Yan Li ¹, Jeffrey H. Ruth ², Stephanie Rasmussen ³, Kalana S. Athukorala ², Daniel P. Weber ², M. Asif Amin ², Phillip Campbell ³, Nora Singer ⁴, David Fox⁵ and Feng Lin ¹, ¹Cleveland Clinic, Cleveland, OH, ²University of Michigan, Ann Arbor, MI, ³Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, ⁴The MetroHealth System -Case Western Reserve University School of Medicine, Cleveland, OH, ⁵Division of Rheumatology, Department of Internal Medicine, Autoimmunity Center of Excellence,University of Michigan, Ann Arbor, MI
Background/Purpose: CD6, an important regulator of T cell function, interacts with the ligands CD166 and CD318. We previously examined CD318 expression on synovial tissues (STs)…
Abstract Number: 964 • 2019 ACR/ARP Annual Meeting
Identifying Jo-1-Specific B Cells in the Primary Immune Repertoire in Idiopathic Inflammatory Myopathies
Jennifer Young-Glazer¹, Erin Wilfong ², Peggy Kendall ¹, Rachel Bonami ¹ and Leslie Crofford ², ¹Vanderbilt University Medical Center, Nashville, TN, ²Vanderbilt University, Nashville
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: 1274 • 2019 ACR/ARP Annual Meeting
New Aspects of Clinical and Immunological Characteristics in Patients with Anti-KS Antibody
Sho Sasaki¹, Akira Ishii ², Mai Sugiyama ², Yuto Izumi ², Yoko Nakagome ², Kazuki Hirano ³, Takayoshi Kurabayashi ¹, Shinichi Nogi ⁴, Noriko Sasaki ², Chiho Yamada ² and Shinji Sato ⁵, ¹Tokai Universitiy School of Medicine, Isehara, Japan, ²Tokai University School of Medicine, Isehara, Japan, ³Tokai University School of Medicine, Isehara, ⁴National Hospital Organization Sagamihara Hospital, Sagamihara, Japan, ⁵Division of Rheumatology, Department of Internal Medicine, Tokai University School of Medicine, Yokohama, Japan
Background/Purpose: Anti-KS antibody, an anti-aminoacyl tRNA synthetase (ARS) antibody, is found mainly in patients with interstitial lung disease (ILD) accompanied by polymyositis/dermatomyositis (PM/DM). Although anti-KS…
Abstract Number: 1288 • 2019 ACR/ARP Annual Meeting
Line Blot Immunoassay in Inflammatory Myopathies: Diagnostic Accuracy and Factors Predicting Positive Results in Routine Clinical Practice
Fergus To¹, Clara Ventín Rodríguez ², Shuayb Elkhalifa ³, James Lilleker ⁴ and Hector Chinoy ⁴, ¹University of British Columbia, Vancouver, Canada, ²Complejo Hospitalario Universitario de A Coruña, A Coruña, Spain, ³(3) Department of Immunology, Salford Royal NHS Foundation, Salford, United Kingdom, ⁴University of Manchester, Manchester, United Kingdom
Background/Purpose: To evaluate the real-world accuracy of a line blot immunoassay (LIA) for myositis-specific (MSA) and myositis-associated (MSA) autoantibody testing in patients at a tertiary…
Abstract Number: 168 • 2018 ACR/ARHP Annual Meeting
IgG Anti-High-Density Lipoproteins Antibodies Discriminate between Arterial and Venous Events in Thrombotic Antiphospholipid Syndrome Patients
Irene Cecchi¹, Massimo Radin², Elena Rubini³, Ana Suárez⁴, Dario Roccatello⁵, Savino Sciascia⁶ and Javier Rodríguez-Carrio⁷, ¹Center of Research of Immunopathology and Rare Diseases- Coordinating Center of Piemonte and Valle d’Aosta Network for Rare Diseases, Department of Clinical and Biological Sciences, University of Turin, Italy, Turin, Italy, ²Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases- Coordinating Center of Piemonte and Valle d’Aosta Network for Rare Diseases, Department of Clinical and Biological Sciences, University of Turin, Italy, Turin, Italy, ³Center of Research of Immunopathology and Rare Diseases- Coordinating Center of Piemonte and Valle d’Aosta Network for Rare Diseases, Department of Clinical and Biological Sciences, University of Turin and S. Giovanni Bosco Hospital, Turin, Italy., Turin, Italy, ⁴Area of Immunology, Department of Functional Biology, University of Oviedo, Oviedo, Spain, ⁵Center of Research of Immunopathology and Rare Diseases- Coordinating Center of Piemonte and Valle d’Aosta Network for Rare Diseases, Department of Clinical and Biological Sciences, University of Turin and S. Giovanni Bo, Turin, Italy, ⁶Center of Research of Immunopathology and Rare Diseases- Coordinating Center of Piemonte and Valle d’Aosta Network for Rare Diseases, Department of Clinical and Biological Sciences, University of Turin, Italy, Center of Research of Immunopathology and Rare Diseases- Coordinating Center of Piemonte and Valle d’Aosta Network for Rare Diseases, Department of Clinical and Biological Sciences, University of Turin, Italy, Torino, Italy, ⁷Bone and Mineral Research Unit, Instituto Reina Sofía de Investigación Nefrológica, REDinREN del ISCIII, Hospital Universitario Central de Asturias, Oviedo, Spain
Background/Purpose: Reliable biomarkers for risk stratification in Antiphospholipid Syndrome (APS) are still lacking. Anti-high-density lipoproteins antibodies (anti-HDL) showed promising results in predicting the development of…
Abstract Number: 2682 • 2018 ACR/ARHP Annual Meeting
Novel Antibody Against Commensal Bacterial Antigen in Prediction of the Response of Rituximab in Systemic Lupus Erythematosus
Yu-Min Kuo^1,2, Jenhao Chen³, Jean-san Chia⁴, Chiau-jing Jung⁵ and Song-Chou Hsieh⁶, ¹Graduate Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei, Taiwan, Taipei, Taiwan, ²Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan, ³Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, National Taiwan University Hospital,Yunlin branch, Yunlin County, Taiwan, ⁴Graduate Institute of Immunology, National Taiwan University College of Medicine, Taipei, Taiwan, ⁵Department of Microbiology and Immunology, School of Medicine,, College of Medicine, Taipei Medical University, Taipei, Taiwan, ⁶National Taiwan University Hospital, Taipei, Taiwan
Background/Purpose: Streptoccocal infections can cause rheumatic fever sharing clinical presentations similar to SLE. Whether oral commensal streptococci could induce cross-reactive and pathogenic antibodies remained unknown.…
Abstract Number: 390 • 2018 ACR/ARHP Annual Meeting
Severe Axial and Pelvifemoral Muscle Damage in Immune-Mediated Necrotizing Myopathy Evaluated By Whole-Body MRI
Océane Landon-Cardinal¹, Cedi Koumako², Giulia Hardouin³, Benjamin Granger³, Harmen Reyngoudt², Jean-Marc Boisserie², Aude Rigolet¹, Baptiste Hervier¹, Nicolas Champtiaux¹, Perrine Guillaume¹, Mathieu Vautier¹, Pierre Carlier², Olivier Benveniste¹ and Yves Allenbach¹, ¹Department of Internal Medicine and Clinical Immunology and Inflammation-Immunopathology-Biotherapy Department (I2B), Pitié-Salpêtrière University Hospital, Assistance Publique-Hôpitaux de Paris, East Paris Neuromuscular Diseases Reference Center, Paris, France, ²Laboratoire de RMN AIM & CEA, Centre d'Explorations Fonctionnelles, Institut de Myologie, Paris, France, ³Département de Biostatistiques, Santé Publique et Information Médicale, Groupe hospitalier Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris, Paris, France
Background/Purpose: Immune-mediated necrotizing myopathies (IMNM) are a severe condition with early muscle damage attested by MRI of thigh muscles. Presence of damage in the other…
Abstract Number: 2801 • 2018 ACR/ARHP Annual Meeting
A Novel B-Cell-Helper IL-21-Producing CD8+ T Cell Subset Involved in the Pathogenesis of Rheumatoid Arthritis
Kazuhiko Higashioka¹, Masahiro Ayano¹, Yasutaka Kimoto², Hiroki Mitoma¹, Mitsuteru Akahoshi¹, Yojiro Arinobu¹, Koichi Akashi¹, Takahiko Horiuchi³ and Hiroaki Niro⁴, ¹Department of Medicine and Biosystemic Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan, ²Department of Internal Medicine, Kyushu University Beppu Hospital, Oita, Japan, ³Department of Internal Medicine, Kyushu University Beppu Hospital, Beppu, Japan, ⁴Department of Medical Education, Kyushu University Graduate School of Medical Sciences, Fukuoka, Japan
Background/Purpose: A plethora of evidence from genome-wide association studies and relevant animal models implicates a pivotal role of T cells in the pathogenesis of rheumatoid…
Abstract Number: 397 • 2018 ACR/ARHP Annual Meeting
Myositis-Specific Autoantibodies and Their Clinical Associations
Victor Tak Lung Wong¹, Ho So¹, Ricky Wai Ki Ip², Virginia W Lao³, Steve H Pang³, Lai-Shan Tam⁴, Priscilla Wong⁵, Lydia Ho Pui Tam⁶, Tsz On Lam⁷, Mei Yan Law⁸, Isaac CW Yim⁹, Tin Lok LAI¹⁰, Patrick Man Leung Lee¹¹ and Ronald Man Lung Yip¹², ¹Kwong Wah Hospital, Kowloon, Hong Kong, ²Queen Mary Hospital, Hong Kong, Hong Kong, ³Department of Medicine, Kwong Wah Hospital, Hong Kong, Hong Kong, ⁴Department of Medicine & Therapeutics, The Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China, Hong Kong, Hong Kong, ⁵Department of Medicine & Therapeutics, The Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China, Hong Kong, China, ⁶Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong, Hong Kong, ⁷Prince of Wales Hospital, New Territories, Hong Kong, ⁸Alice Ho Miu Ling Nethersole Hospital, New Territories, Hong Kong, ⁹Department of Medicine, Tseung Kwan O Hospital, Hong Kong, Hong Kong, ¹⁰Medicine, Tseung Kwan O Hospital, Tseung Kwan O, Hong Kong, ¹¹Yan Chai Hospital, Kowloon, Hong Kong, ¹²Tung Wah Group of Hospitals, Hong Kong, Hong Kong, Hong Kong
Background/Purpose: Myositis-specific autoantibodies (MSAs) have been shown to predict clinical features and have prognostic implications in patients with idiopathic inflammatory myopathies (IIMs), with anti-melanoma differentiation-associated…
Abstract Number: 2935 • 2018 ACR/ARHP Annual Meeting
A Practical Classification of Systemic Sclerosis Using Subset and Autoantibodies for the Purpose of Early Risk Stratification
Svetlana I. Nihtyanova¹, Emma C. Derrett-Smith², Carmen Maria Fonseca³, Voon H. Ong² and Christopher P. Denton⁴, ¹Division of Medicine, Centre for Rheumatology and Connective Tissue Diseases, University College London, London, United Kingdom, ²Division of Medicine, University College London, London, United Kingdom, ³Department of Rheumatology and Connective Tissue Disease, University College London, London, United Kingdom, ⁴University College London, London, United Kingdom
Background/Purpose: The Le Roy et al. classification of SSc into limited and diffuse cutaneous subtype remains the most commonly used. Nevertheless, autoantibodies are much better…
Abstract Number: 700 • 2018 ACR/ARHP Annual Meeting
Immunogenicity of Originator and Biosimilar Infliximab: Anti-Drug Antibody Occurence, Cross-Reactivity and Epitope Specificities across Six Diseases. Analyses from a Norwegian Randomized Switching Trial
Guro Løvik Goll¹, Nils Bolstad², Ines Iria^3,4, Rolf Klaasen⁵, Kristin Kaasen Jørgensen⁶, Inge C Olsen⁷, Ana Valido⁸, Maria J Saavedra⁹, João E. Fonseca¹⁰, Merete Lorentzen¹¹, Cato Mork¹², Knut EA Lundin¹³, David J Warren¹⁴, Espen A. Haavardsholm¹⁵, Jorgen Jahnsen¹⁶, Tore Kvien¹⁵ and João Gonçalves¹⁷, ¹Department of Rheumathology, Diakonhjemmet Hospital, Oslo, Norway, ²Department of Medical Biochemistry,, OUS-Radiumhospitalet, Oslo, Norway, ³Dept Pharmacology, Faculdade de Farmacia da Universidade de Lisboa, Lisbon, Portugal, ⁴iMed- Research Institute for medicines, Lisbon, Portugal, ⁵Dartment of Medical Biochemistry, OUS-Radiumhospitalet, Oslo, Norway, ⁶Dept Gastroenterology, Akershus University Hospital, Lørenskog, Norway, ⁷Department of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway, ⁸Rheumatology, Centro Hospitalar Lisboa Norte, Lisbon, Portugal, ⁹Rheumatology and Metabolic Bone Diseases, Hospital de Santa Maria, CHLN, Lisbon, Portugal, ¹⁰Serviço de Reumatologia e Doenças Ósseas Metabólicas, Hospital de Santa Maria, CHLN, Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal, ¹¹Dept of Dermatology, Rikshospitalet, Oslo, Norway, ¹²Dept of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway, ¹³Dept of gastroenterology, Oslo University Hospital, Oslo, Norway, ¹⁴Department of Medical Biochemistry, OUS-Radiumhospitalet, Oslo, Norway, ¹⁵Dept. of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway, ¹⁶Dept of Gastroenterology, Akershus University Hospital, Lørenskog, Norway, ¹⁷Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal
Background/Purpose: The NOR-SWITCH study was funded by the Norwegian government to investigate switching from originator infliximab (INX) to biosimilar CT-P13, in spondyloarthritis (SpA), rheumatoid arthritis…
Abstract Number: 814 • 2018 ACR/ARHP Annual Meeting
NON Diffuse SSc, Peripheral Neuropathy, Concomitant Sjogren Syndrome and ANTI-RNA Polymerase III Represent Risk Factors for the Higher Frequency of Cancer in a Large Single Cohort of Patients with Systemic Sclerosis
Ana Paula Luppino-Assad¹, Adriana Bortoluzzo², Henrique Carriço da Silva³, Danieli Andrade⁴ and Percival Sampaio-Barros⁴, ¹Rheumatology, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR., sao paulo, Brazil, ²c Instituto Insper de Educação e Pesquisa, São Paulo, SP, Brasil, sao paulo, Brazil, ³Rheumatology, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR., SAO PAULO, Brazil, ⁴Rheumatology, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, BR., São Paulo, Brazil
Background/Purpose: A higher prevalence of cancer has been described in patients with systemic sclerosis (SSc), but the magnitude of this risk and the type of…
Abstract Number: 999 • 2018 ACR/ARHP Annual Meeting
Development of an Affimab Engineered to Simultaneously Target IL-6 and Tnfα for Therapeutic Use in Rheumatoid Arthritis
Kyu-Tae Kim, Jong-Seo Lee and Bong-Kook Ko, AbClon Inc., Seoul, Korea, Republic of (South)
Background/Purpose: Antibodies may be functionalized using Affibody® molecules to create bispecific AffiMabs. We used protein engineering to develop single-construct biologics suitable for blocking inflammation driven…
Abstract Number: 1223 • 2018 ACR/ARHP Annual Meeting
Reduced Antibody Titers Against Pertussis in Rheumatoid Arthritis
Caitlyn L. Holmes¹, Chloe Peyton², Amy Bier³, Tobias Donlon², Christie M. Bartels⁴ and Miriam A. Shelef^5,6, ¹University of Wisconsin - Madison, Madison, WI, ²University of Minnesota Medical School, Minneapolis, MN, ³Stritch School of Medicine of Loyola University Chicago, Chicago, IL, ⁴Rheumatology/Medicine, University of Wisconsin - Madison, Madison, WI, ⁵Department of Medicine, Division of Rheumatology, University of Wisconsin - Madison, Madison, WI, ⁶William S. Middleton Memorial Veterans Hospital, Madison, WI
Background/Purpose: Patients with rheumatoid arthritis, an autoimmune disease affecting ~1% of the population, have an increased risk of infection. Interestingly, data are mixed for response…

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