Abstracts tagged "Autoantibody(ies)"

Abstract Number: 1142 • ACR Convergence 2023
A Retrospective Analysis of Radiographic and Serologic Findings in Patients with Scleroderma and Interstitial Lung Disease
Nikita Jhawar, Claire Wilson, Andy Abril, Li Zhuo and Yaohua Ma, Mayo Clinic, Jacksonville, FL
Background/Purpose: Connective tissue diseases such as scleroderma are frequently associated with interstitial lung disease (ILD). Detection of autoantibodies is crucial in characterizing disease phenotypes, but…
Abstract Number: 1607 • ACR Convergence 2023
Autoantibodies to Transcription Factor a Mitochondria Link Mitochondrial Damage and Thrombosis in Systemic Lupus Erythematosus
Eduardo Gomez-Banuelos¹, Alessandra Ida Celia², Maria Isabel Trejo Zambrano³, Merlin Paz³, Erika Darrah³, Daniel Goldman⁴, Michelle Petri⁴ and Felipe Andrade³, ¹The Johns Hopkins University, Baltimore, MD, ²John Hopkins University of Medicine, Rome, Italy, ³Johns Hopkins University, Baltimore, MD, ⁴Department of Medicine, Division of Rheumatology, Johns Hopkins University School of Medicine, Timonium, MD
Background/Purpose: Upon activation with interferon (IFN) and RNP-immune complexes, defective mitophagy in neutrophils results in the release of mtDNA in complex with transcription factor A…
Abstract Number: 1972 • ACR Convergence 2023
Evaluation of Myositis Autoantibodies as Predictors of Response to IVIG: Post-hoc Analysis of a Large Randomized, Double-Blind, Placebo-Controlled Phase III Trial
Christina Charles-Schoeman¹, Joachim Schessl², Rohit Aggarwal³ and and the ProDERM investigators⁴, ¹UCLA Medical Center, Santa Monica, CA, ²Friedrich-Baur-Institute, Ludwig-Maximilians University of Munich, Munich, Germany, ³University of Pittsburgh, Pittsburgh, PA, ⁴Institutions in Europe and North America, Vienna, Austria
Background/Purpose: Dermatomyositis (DM) is an immune-mediated inflammatory myopathy (IIM). Two subsets ofautoantibodies have been identified in patients with IIM: Myositis-specific antibodies (MSA) and myositis-associated antibodies…
Abstract Number: 0277 • ACR Convergence 2023
Anti-carbamylated Antibodies in Autoimmunity – Focus on Their Diagnostic and Prognostic Value: A Systematic Review and Meta-analysis
Julie Sarrand, Dorian Parisis, Muhammad Soyfoo and Paschalis Sidiras, Erasmus Hospital, Brussels, Belgium
Background/Purpose: This is the first systematic review and meta-analysis to examine the prevalence, the diagnostic and the prognostic value of anti-carbamylated protein (CarP) antibodies in…
Abstract Number: 0717 • ACR Convergence 2023
Mitochondria-mediated Platelet Activation in Polymyalgia Rheumatica
Despoina Michailidou¹, Linda Johansson², Jorge Armando Gonzalez-Chapa¹, Ting Wang¹, Junmei Chen³, José A. López³, Solbritt Rantapää-Dahlqvist⁴ and Christian Lood¹, ¹University of Washington, Seattle, WA, ²Umea University, Umea, Sweden, ³Bloodworks Research Institute, Seattle, WA, ⁴Department of Public Health and Clinical Medicine/Rheumatology, Umeå University, Umeå, Sweden
Background/Purpose: Platelets have been suggested to be involved in polymyalgia rheumatica (PMR) pathogenesis with elevated platelet activation observed in early stages of the disease. Upon…
Abstract Number: 1152 • ACR Convergence 2023
Relation Between Positive MPO-ANCA Antibodies And: Associated Diseases, Anca-associated Vasculitis Specificty, Severity and Prognosis. Study from a Single University Hospital
Fabricio Benavides¹, Monica Renuncio-García¹, Salma Al Fazazi², clara escagedo Cagigas¹, maria rodriguez Vidriales¹, Vanesa Calvo Río³, Juan Irure-Ventura¹, luis martin penagos⁴, Marcos Lopez-Hoyos⁵ and Ricardo Blanco⁶, ¹Hospital Universitario Marqués de Valdecilla, Santander, Spain, ²Hospital Universitario Puerta Del Mar, Cádiz, Spain, ³Valdecilla Hospital, Santander, Spain, ⁴Division of Nephrology, Immunopathology Group, Hospital Universitario Marqués de Valdecilla-DIVAL, Santander, Spain, ⁵Marques de Valdecilla University Hospital-IDIVAL, Santander, Spain, ⁶Hospital Universitario Marqués de Valdecilla, IDIVAL, Santander, Spain
Background/Purpose: ANCA-associated vasculitis (AAV) is a group of pathologies characterized by necrotizing inflammation that mainly affects small and medium-sized vessels. Serum anti-neutrophil cytoplasmic antibodies (ANCA),…
Abstract Number: 1622 • ACR Convergence 2023
Myositis-associated Autoantibodies in Juvenile Myositis Are Associated with Severe Disease Features and Mortality
Matthew Sherman¹, Payam Noroozi Farhad², Katherine Pak³, Iago Pinal-Fernandez³, Kakali Sarkar², Megan Neely⁴, Ira Targoff⁵, Frederick Miller⁶, Andrew Mammen⁷ and Lisa Rider⁸, ¹NIAMS/NIH, Washington, DC, ²Environmental Autoimmunity Group, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD, ³National Institutes of Health, Bethesda, MD, ⁴Department of Biostatistics and Bioinformatics, Duke University, Durham, NC, ⁵Veterans Affairs Medical Center, University of Oklahoma Health Sciences Center, and Oklahoma Medical Research Foundation, Oklahoma City, OK, ⁶NIH, NIEHS, Chapel Hill, NC, ⁷NIH, Bethesda, MD, ⁸NIEHS, NIH, Bethesda, MD
Background/Purpose: Myositis-associated autoantibodies (MAAs), such as anti-Ro52 autoantibodies (Abs), have been found to be associated with interstitial lung disease (ILD) and worse prognosis in the…
Abstract Number: 2134 • ACR Convergence 2023
Autoantibodies to Joint-related Proteins Predict Remission with High Specificity in New Onset RA
Monica Leu Agelii¹, Outi Sareila², Erik Lönnblom², Kristina Forslind³, Maria Andersson³, Alf Kastbom⁴, Christopher Sjöwall⁵, Lennart Jacobsson⁶, Jan Kihlberg⁷, Rikard Holmdahl², Ingiäld Hafström² and Inger Gjertsson⁸, ¹Gothenburg University, Goteborg, Sweden, ²Karolinska Institutet, Stockholm, Sweden, ³FoU Spenshult, Halmstad, Sweden, ⁴Linköping University, Linköping, Sweden, ⁵Department of Biomedical and Clinical Sciences, Division of Inflammation and Infection/Rheumatology, Linköping University, Linköping, Sweden, ⁶University of Gothenburg, Malmö, Sweden, ⁷Uppsala University, Uppsala, Sweden, ⁸Department of Rheumatology and Inflammation research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
Background/Purpose: One of the major challenges in the management of rheumatoid arthritis (RA) is to determine individual treatment and predict the prognosis. On a group…
Abstract Number: 0302 • ACR Convergence 2023
Remission in Anti-HMGCR Positive Immune-mediated Necrotizing Myopathy Without the Use of Glucocorticoids: A Multicentric Study of 24 Patients
David Martinez-Lopez¹, Cristina Corrales Selaya², Diana Prieto-Peña², Piotr Szczesny³, Antonella Notarnicola⁴, Ricardo Blanco⁵, Ingrid Lundberg⁶ and Maryam Dastmalchi⁶, ¹Hospital de Sierrallana, Santander, Spain, ²Hospital Universitario Marqués de Valdecilla, Santander, Spain, ³Department of Rheumatology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland; Department of Neurology, Medical University of Warsaw, Warsaw, Poland, ⁴Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden, ⁵Hospital Universitario Marqués de Valdecilla, IDIVAL, Santander, Spain, ⁶Division of Rheumatology, Department of Medicine, Karolinska Institutet; Department of Gastroenterology, Dermatotology, Rhematology, Karolinska Universitetssjukhuset, Stockholm, Sweden
Background/Purpose: Statin-induced immune mediated necrotizing myopathy (IMNM) is a subtype of inflammatory myopathy associated with anti-3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR) autoantibodies. This condition is characterized by progressive…
Abstract Number: 0787 • ACR Convergence 2023
Understanding Distinct Resident and Migratory Fibroblast Populations in Systemic Sclerosis Skin Through Single-cell RNAseq and Immunohistochemistry
Kristina Clark¹, Shiwen Xu², Voon Ong³, Christopher Buckley⁴ and Christopher Denton², ¹Barts Health NHS Trust, London, United Kingdom, ²University College London, London, United Kingdom, ³UCL Medical School Royal Free Campus, London, United Kingdom, ⁴University of Oxford, Oxford, United Kingdom
Background/Purpose: We previously described distinct migratory and resident fibroblast populations from lesional skin biopsies in SSc patients. Both populations are profibrotic compared with those from…
Abstract Number: 1156 • ACR Convergence 2023
Presentations and Outcomes of Idiopathic Inflammatory Myopathies in Hong Kong
Iris Tang¹, Ho So², Teresa li³, Vivian Tang⁴, Chi Ho⁵ and Roy Ho⁶, ¹Department of Medicine, University of Hong Kong, Hong Kong, Hong Kong, ²Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong, Hong Kong, ³Queen Mary Hospital, Hong Kong, Hong Kong, ⁴North District Hospital, Hong Kong, Hong Kong, ⁵Alice Ho Miu Ling Nethersole Hospital, Hong Kong, Hong Kong, ⁶Queen Elizabeth Hospital, Hong Kong, Hong Kong
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are a group of heterogeneous autoimmune diseases with cutaneous, musculoskeletal, and systemic involvements. The Hong Kong Myositis Registry (MyoHK) was…
Abstract Number: 1637 • ACR Convergence 2023
IgG-Fc-N-Sialylation and -Galactosylation in Primary Sjögren’s Syndrome (Pss) in Its Potential as Marker of Disease State and Disease Activity
Helena Achten¹, Liselotte Deroo², Kristel De Boeck³, Matthias Jarlborg¹, Tine Decruy¹, Joke Deprez¹, Emilie Dumas¹, Dirk Elewaut⁴ and isabelle peene⁵, ¹Ghent University, Ghent, Belgium, ²Ghent University, Gent, Belgium, ³Ghent University Hospital, Ghent, Belgium, ⁴Ghent University and VIB Center for Inflammation Research, Ghent, Belgium, ⁵University Hospital Ghent, Ghent, Belgium
Background/Purpose: Loss of galactose and sialic acid structures attached to the IgG-Fc-fragment switches the antibody effector function from anti-inflammatory to pro-inflammatory1. This study investigated the…
Abstract Number: 2144 • ACR Convergence 2023
Pharmacodynamic Effects of Nipocalimab in Patients with Moderate to Severe Active Rheumatoid Arthritis (RA): Results from the Multicenter, Randomized, Double-blinded, Placebo-controlled Phase 2A IRIS-RA Study
Rohit Panchakshari¹, Matthew Loza², Thomas Huizinga³, Georg Schett⁴, Keying Ma², Jocelyn H. Leu², Sophia G. Liva², Fowzia Ibrahim⁵, Bei Zhou⁶, Qingmin Wang², Ricardo Rojo Cella², Chetan S. Karyekar², Kaiyin Fei², Carolyn Cuff⁷ and Sheng Gao², ¹Janssen Research & Development, LLC, La Jolla, CA, ²Janssen Research & Development, LLC, Spring House, PA, ³Leiden University Medical Center, Leiden, Netherlands, ⁴Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany, ⁵Janssen Research & Development, LLC, High Wycombe, United Kingdom, ⁶Janssen Research & Development, LLC, Chesterbrook, PA, ⁷Janssen Research & Development, LLC, Cambridge, MA
Background/Purpose: Nipocalimab is a fully human, immunoglobulin G (IgG) 1 monoclonal antibody that blocks the neonatal crystallizable fragment receptor (FcRn), thereby lowering IgG levels. RA…
Abstract Number: 0305 • ACR Convergence 2023
Prevalence and Clinical Significance of anti-Ro52 Antibodies in Antisynthetase Syndrome
Javier Narvaez¹, Paola Vidal-Montal², Elena Cañadillas-Sanchez³, Pol Maymó², Judith Palacios², Martí Aguilar², Montserrat Roig² and Joan Miquel Nolla², ¹Hospital Universitario de Bellvitge, Barcelona, Spain, ²Department of Rheumatology, Hospital Universitario de Bellvitge, Barcelona, Spain, ³Department of Rheumatology, Hospital Clínico Universitario Lozano Blesa, Zaragoza, Spain
Background/Purpose: Antisynthetase syndrome (ASSD) is a systemic autoimmune condition characterized by the positivity of anti-aminoacyl-transfer-RNA synthetases antibodies (ARS) and the occurrence of the classic triad,…
Abstract Number: 0835 • ACR Convergence 2023
Abatacept in Individuals at Risk of Developing Rheumatoid Arthritis: Results from the Arthritis Prevention in the Pre-clinical Phase of RA with Abatacept (APIPPRA) Trial
Andrew Cope¹, Marianna Jasenecova², Joana Vasconcelos³, Andrew Filer⁴, Karim Raza⁵, Sumera Qureshi², Maria Antonietta D'Agostino⁶, Iain McInnes⁷, John Isaacs⁸, Arthur Pratt⁹, Benjamin A Fisher⁴, Christopher Buckley¹⁰, Paul Emery¹¹, Pauline Ho¹², Maya Buch¹³, Coziana Ciurtin¹⁴, René Toes¹⁵, Thomas Huizinga¹⁵, Dirkjan van Schaardenburg¹⁶, Caroline Caroline¹⁷ and Toby Prevost³, ¹King's College London, London, United Kingdom, ²Centre for Rheumatic Diseases, King's College London, London, United Kingdom, ³Nightingale-Saunders Clinical Trials & Epidemiology Unit, King's College London, London, United Kingdom, ⁴University of Birmingham, Birmingham, United Kingdom, ⁵Institute of Inflammation and Ageing, University of Birmingham, Birmingham, United Kingdom, ⁶Division of Rheumatology - Catholic University of the Sacred Heart, Fondazione Policlinico Universitario Agostino Gemelli, Rome, Italy, ⁷University of Glasgow, Glasgow, United Kingdom, ⁸Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, United Kingdom, ⁹Translational & Clinical Research Institute, University of Newcastle, Newcastle, United Kingdom, ¹⁰University of Oxford, Oxford, United Kingdom, ¹¹Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom, ¹²Centre for Musculoskeletal Research, University of Manchester, Manchester, United Kingdom, ¹³University of Manchester and NIHR Manchester Biomedical Research Centre, Manchester, United Kingdom, ¹⁴Centre for Rheumatology Research, University College London, London, United Kingdom, ¹⁵Leiden University Medical Center, Leiden, Netherlands, ¹⁶Reade, Amsterdam, Netherlands, ¹⁷King's Clinical Trials Unit, King's College London, London, United Kingdom
Background/Purpose: The definition of higher risk states for rheumatoid arthritis (RA) has been refined in more recent years through inclusion of serum autoantibodies and symptom…

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