Abstracts tagged "Autoantibody(ies)"

Abstract Number: 1121 • ACR Convergence 2022
Intricate Roles of Low Gene Copy Numbers for Complement C4, C4A Deficiency and HLA-DRB1*03 as Genetic Risk Factors for Myositis, Its Subgroups and Autoantibodies
Danlei Zhou¹, Emily H King¹, Simon Rothwell², Olga Kryštůfková³, Antonella Notarnicola⁴, Samantha Coss¹, Rabheh Abdul Aziz⁵, Katherine E Miller¹, Amanda Dang¹, G. Richard Yu¹, Joanne Drew⁶, Emeli Lundstrom⁴, Lauren Pachman⁷, Gulnara Mamyrova⁸, Rodolfo V Curiel⁸, Boel De Paepe⁹, Jan De Bleecker⁹, Antony Payton¹⁰, William Ollier¹¹, Terrance P O'Hanlon¹², Ira Targoff¹², Willy Flegel¹², Vidya Sivaraman⁶, Edward Oberle⁶, Shoghik Akoghlanian⁶, Kyla Driest⁶, Charles H Spencer¹³, Yee Ling Wu¹⁴, Haikady N Nagaraja¹⁵, Stacy P Ardoin⁶, Hector Chinoy¹⁶, Lisa G Rider¹², Frederick Miller¹², Ingrid Lundberg¹⁷, Leonid Padyukov¹⁸, Jiří Vencovský³, Janine A Lamb² and Chack-Yung Yu¹, ¹Center for Microbial Pathogenesis, Abigail Wexner Research Institute, Nationwide Children’s Hospital, Columbus, OH, ²National Institute for Health Research Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, The University of Manchester, Manchester, United Kingdom, ³Institute of Rheumatology and Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic, ⁴Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden, ⁵Division of Rheumatology, Nationwide Children’s Hospital and Department of Pediatrics, The Ohio State University, Columbus, OH, ⁶Division of Rheumatology, Nationwide Children's Hospital and Department of Pediatrics, The Ohio State University, Columbus, OH, ⁷Northwestern's Feinberg School of Medicine. Ann and Robert H. Lurie Children's Hospital of Chicago; Stanley Manne Children's Research Institute of Chicago, Lake Forest, IL, ⁸Division of Rheumatology, Department of Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC, ⁹Department of Neurology, Ghent University Hospital, Ghent, Belgium, ¹⁰Division of Informatics, Imaging and Data Sciences, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom, ¹¹Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom, ¹²Environmental Autoimmunity Group, Clinical Research Branch, National Institute of Environmental Health Sciences (NIEHS), National Institutes of Health, Bethesda, MD, ¹³Division of Rheumatology, Nationwide Children’s Hospital and Department of Pediatrics, The Ohio State University, Columbus, MS, ¹⁴Department of Microbiology and Immunology, Loyola University Chicago, Maywood, IL, ¹⁵Division of Biostatistics, The Ohio State University, Columbus, OH, ¹⁶The University of Manchester, Sale, United Kingdom, ¹⁷Karolinska Universitetssjukhuset, Karolinska Institutet, Stockholm, Sweden, ¹⁸Karolinska Institutet, Stockholm, Sweden
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are a group of autoimmune diseases characterized by autoantibodies plus infiltration of leukocytes into muscles and/or the skin, leading to…
Abstract Number: 1542 • ACR Convergence 2022
Exploratory Clinical Subgroup Clustering in Systemic Sclerosis – Results from the Indian Progressive Systemic Sclerosis Registry
Shery Susan Philip¹, Ramya Janardana¹, Revanesh S Mirji¹, Chengappa Kavadichanda², Devender Bairwa³, Geetabali Sircar⁴, Parasar Ghosh⁵, Anupam Wakhlu⁶, Padmanabha Shenoy⁷, Sumithra Selvam⁸ and Vineeta Shobha¹, ¹St. John’s Medical College Hospital, Bangalore, India, ²JIPMER, Pondicherry, Puducherry, India, ³Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, Puducherry, India, ⁴Institute of Postgraduate Medical Education and Research, Kolkata, West Bengal, India, ⁵Govt of West Bengal, Kolkata, India, Kolkata, West Bengal, India, ⁶Apollo Medics Super Speciality Hospitals, Lucknow, India, ⁷Centre for Arthritis and Rheumatism Excellence (CARE), Cochi, India, ⁸Division of Epidemiology and Biostatistics, St. John’s Research Institute, St. John's Medical College Hospital, Bangalore, India
Background/Purpose: Classification of systemic sclerosis (SSc) into subsets has been a challenge due to it's heterogeneity. This study attempts to identify SSc subsets based on…
Abstract Number: 2023 • ACR Convergence 2022
Salivary Autoantibodies in Sicca Patients Are Associated with Dry Symptoms
Martha Tsaliki¹, Joshua Cavett¹, Biji T. Kurien², Christina Bruxvoort¹, Robert Hal Scofield² and Kristi A Koelsch³, ¹University of Oklahoma Health Sciences Center, Oklahoma City, OK, ²University of Oklahoma Health Sciences Center, Oklahoma, OK, ³Oklahoma Medical Research Foundation, Oklahoma City, OK
Background/Purpose: Sjögren’s Syndrome (SS) diagnosis depends on clinic examinations that involve measurements of serum levels of anti-Ro\SSA, anti-La\SSB, and rheumatoid factor antibodies; the first is…
Abstract Number: 0321 • ACR Convergence 2022
M-Phase Phosphoprotein 1 (MPP-1) Autoantibodies as a Potential Biomarker for Cranial Neuropathies in an International SLE Inception Cohort
Eugene Krustev¹, John Hanly², Ricky Chin³, Katherine Buhler¹, Francesca S Cardwell⁴, Murray Urowitz⁵, Caroline Gordon⁶, Sang-Cheol Bae⁷, Juanita Romero-Diaz⁸, Jorge Sanchez-Guerrero⁹, Sasha Bernatsky¹⁰, Daniel Wallace¹¹, David Isenberg¹², Anisur Rahman¹³, Joan Merrill¹⁴, Paul R Fortin¹⁵, Dafna Gladman¹⁶, Ian N. Bruce¹⁷, Michelle Petri¹⁸, Ellen M. Ginzler¹⁹, Mary Anne Dooley²⁰, Rosalind Ramsey-Goldman²¹, Susan Manzi²², Andreas Jönsen²³, Graciela Alarcón²⁴, Ronald van Vollenhoven²⁵, Cynthia Aranow²⁶, Meggan Mackay²⁶, Guillermo Ruiz-Irastorza²⁷, S. Sam Lim²⁸, Murat İnanç²⁹, Kenneth Kalunian³⁰, Soren Jacobsen³¹, Christine Peschken³², Diane Kamen³³, Anca Askanase³⁴, Jill Buyon³⁵, Marvin Fritzler¹, Ann E Clarke³⁶ and May Choi³⁷, ¹University of Calgary, Calgary, AB, Canada, ²Division of Rheumatology, Queen Elizabeth II Health Sciences Center (Nova Scotia Rehabilitation Site) and Dalhousie University, Halifax, NS, Canada, ³University of Calgary, Ottawa, ON, Canada, ⁴University of Waterloo, Department of Geography & Environmental Management, Burlington, ON, Canada, ⁵University of Toronto, University Health Network, Schroeder Arthritis Institute, Toronto, ON, Canada, ⁶Rheumatology Research Group, Institute of Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom, ⁷Hanyang University Medical Center, Seoul, Republic of Korea, ⁸Instituto Nacional de Ciencias Medicas y Nutricion SZ, Ciudad de México, Mexico, ⁹Mount Sinai Hospital and University Health Network, University of Toronto, Toronto, ON, Canada, ¹⁰Research Institute of the McGill University Health Centre, Montréal, QC, Canada, ¹¹Cedars-Sinai Medical Center, Los Angeles, CA, ¹²University College London, London, United Kingdom, ¹³Centre for Rheumatology, Department of Medicine, University College London, London, United Kingdom, ¹⁴Oklahoma Medical Research Foundation, Oklahoma City, OK, ¹⁵Centre ARThrite - CHU de Québec - Université Laval, Québec, QC, Canada, ¹⁶Toronto Western Hospital, Schroeder Arthritis Institute, Toronto, ON, Canada, ¹⁷Centre for Epidemiology Versus Arthritis, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom, ¹⁸Johns Hopkins University School of Medicine, Division of Rheumatology, Baltimore, MD, ¹⁹SUNY Downstate Health Sciences University, Department of Medicine, Brooklyn, NY, ²⁰Raleigh Neurology Associates, Chapel Hill, NC, ²¹Northwestern University Feinberg School of Medicine, Chicago, USA, Chicago, IL, ²²Allegheny Health Network, Lupus Center of Excellence, Wexford, PA, ²³Department of Clinical Sciences, Lund, Section for Rheumatology, Lund University, Lund and Skåne University Hospital, Lund, Sweden, ²⁴The University of Alabama at Birmingham, Oakland, ²⁵Amsterdam University Medical Centers, Amsterdam, Netherlands, ²⁶Feinstein Institutes for Medical Research, Manhasset, NY, ²⁷Autoimmune Diseases Research Unit, Biocruces Bizkaia Health Research Institute, Hospital Universitario Cruces, UPV/EHU, Barakaldo, Spain, ²⁸Emory University, Atlanta, GA, ²⁹Istanbul University Faculty of Medicine, Istanbul, Turkey, ³⁰University of California San Diego, La Jolla, CA, ³¹Rigshospitalet, Copenhagen, Denmark, ³²University of Manitoba, Winnipeg, MB, Canada, ³³Medical University of South Carolina, Charleston, SC, ³⁴Columbia University Medical Center, New York, NY, ³⁵NYU Grossman School of Medicine, New York, NY, ³⁶University of Calgary, Division of Rheumatology, Cumming School of Medicine, Calgary, AB, Canada, ³⁷Brigham and Women's Hospital | University of Calgary, Calgary, AB, Canada
Background/Purpose: We previously reported in a single centre prevalent SLE cohort that antibodies against the cytokinesis-associated protein M-Phase Phosphoprotein 1 (anti-MPP-1) were associated with SLE-related…
Abstract Number: 0691 • ACR Convergence 2022
Structural Differences Exist in Beta-2-Glycoprotein I from APS Patients Compared to Healthy Controls
Hannah Britt¹, Hannah Bradford¹, Valentina Spiteri¹, Anisur Rahman², Ian Giles¹, Mihaela Delcea³, Paul Dalby¹, Kostas Thalassinos¹ and Thomas McDonnell¹, ¹University College London, London, United Kingdom, ²Centre for Rheumatology, Department of Medicine, University College London, London, United Kingdom, ³University of Greifswald, Greifswald, Germany
Background/Purpose: Beta-2-Glycoprotein I (B2GPI) is a serum protein of approximately 50kDa and is the main autoantigen of Antiphospholipid syndrome (APS). Antibodies to B2GPI (aB2GPI) are…
Abstract Number: 1141 • ACR Convergence 2022
Consequences of SLE Heterogeneity on the Epigenome and the Drivers Behind
Olivia Castellini-Pérez¹, Athina Spiliopoulou², Guillermo Barturen¹, Andrii Iakovliev², Manuel Martinez-Bueno¹, Elena Carnero-Montoro¹ and Marta Alarcon-Riquelme¹, ¹Center for Genomics and Oncological Research (GENYO), Granada, Spain, ²University of Edinburgh, Edinburgh, Scotland, United Kingdom
Background/Purpose: Systemic Lupus Erythematosus (SLE) is a prototypic systemic autoimmune disease characterized by a complex aetiology and heterogenous symptomatology which has been recently dissected using…
Abstract Number: 1629 • ACR Convergence 2022
AUR200: An Improved BAFF/APRIL Inhibitor with Increased Potency and Safety for the Treatment of B Cell-Mediated Diseases
Shawn Morales, Jennifer Cross and Robert Huizinga, Aurinia Pharmaceuticals, Inc., Victoria, BC, Canada
Background/Purpose: AUR200 targets both B cell activating factor (BAFF) and a proliferation-inducing ligand (APRIL), which are key mediators in the pathogenesis of B cell-mediated autoimmune…
Abstract Number: 2024 • ACR Convergence 2022
Salivary Gland Ultrasound May Lead to a More Accurate Stratification of Patients with the Same Serological Profile in Sjögren’s Syndrome: Towards a Personalized Approach
Silvia Fonzetti¹, Francesco Ferro², Gaetano La Rocca³, Giovanni Fulvio⁴, Inmaculada Concepción Navarro García⁵, Gianmaria Governato⁶, Valentina Donati⁷, Marta Mosca⁸ and Chiara Baldini⁴, ¹Azienda Ospedaliera Universitaria Pisana, Pisa, Italy, ²Clinical and Experimental Medicine Department, Azienda Ospedaliero-Universitaria Pisana, Pisa, Pisa, Italy, ³University of Pisa, Rheumatology Unit, Palermo, Palermo, Italy, ⁴University of Pisa, Pisa, Pisa, Italy, ⁵Clinical and Experimental Medicine Department, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy, ⁶Azienda Ospedaliera Universitaria Pisana, Pisa, Pisa, Italy, ⁷Pathology Unit, University of Pisa, Pisa, Italy, ⁸Rheumatology Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
Background/Purpose: Salivary gland ultrasound (SGUS) abnormalities have been increasingly recognized as possible biomarkers for Sjögren's Syndrome (SS) phenotypic stratification. However, to date few studies have…
Abstract Number: 0006 • ACR Convergence 2021
Metabolic Characteristics of Age-related B Cells in Lupus-prone Mice and Effects on Follicular Helper T Cells
Ivan Ramirez¹, Betty Diamond² and Sun Jung Kim³, ¹Northwell, Little Neck, NY, ²Northwell Health, Manhasset, NY, ³Feinstein Institutes for Medical Research, Manhasset, NY
Background/Purpose: Since the description of age-associated B cells (ABC), there has been a growing interest in the role of these cells in autoimmunity. Evidence suggests…
Abstract Number: 0155 • ACR Convergence 2021
The Additional Value of MRI in Diagnosis of Rheumatoid Arthritis in Undifferentiated Arthritis Patients
Nikolet den Hollander¹, Marloes Verstappen¹, Navkiran Sidhu¹, Elise van Mulligen², Monique Reijnierse¹ and Annette H.M van der Helm-van Mil¹, ¹Leiden University Medical Center, Leiden, Netherlands, ²Erasmus Medical Center, Rotterdam, Netherlands
Background/Purpose: Identifying patients that will develop rheumatoid arthritis (RA) among those presenting with undifferentiated arthritis (UA) remains a clinical dilemma. According to EULAR recommendations magnetic…
Abstract Number: 0687 • ACR Convergence 2021
Clinical Features and Prognosis of a Large North American Cohort of Adult MDA5+ Dermatomyositis
Christopher Mecoli¹, Eleni Tiniakou², William Kelly², Jemima Albayda², Julie Paik², Brittany Adler², Andrew Mammen³, Cheng Ting Lin¹, Sonye Danoff⁴, Livia Casciola-Rosen⁵ and Lisa Christopher-Stine², ¹Johns Hopkins University School of Medicine, Baltimore, MD, ²Johns Hopkins University, Baltimore, MD, ³National Institutes of Health, Bethesda, MD, ⁴Johns Hopkins Medicine, Baltimore, MD, ⁵Johns Hopkins, Baltimore, MD
Background/Purpose: We describe a single-center North American adult cohort of MDA5-positive DM, with emphasis on the subgroup of patients that experience drug-free long-term remission. Methods:…
Abstract Number: 1101 • ACR Convergence 2021
Atypical Pulmonary Radiographic Findings May Help Identify Patients with Usual Interstitial Pneumonia and Autoimmune Features
Fredeswinda Romero Bueno¹, Carmelo Palacios¹, Maria Jesus Rodriguez Nieto¹, Maria Tello Lasheras¹, Angel Rodriguez Leon², Maria Carmen Vegas Sanchez¹, Gabriel Herrero-Beaumont³ and Olga Sanchez Pernaute¹, ¹University Hospital "Fundación Jimenez Diaz", Madrid, Spain, ²Autonoma University of Madrid, Madrid, Spain, ³University Hospital "Fundacion Jimenez Diaz", Madrid, Spain
Background/Purpose: Once specific etiologic factors have been ruled out, the majority of patients with chronic interstitial pneumonia (IP) can be classified as idiopathic pulmonary fibrosis…
Abstract Number: 1531 • ACR Convergence 2021
New-Onset IgG Autoantibodies in Hospitalized Patients with COVID-19
Sarah Chang¹, Allan Feng¹, Wenzhao Meng², Sokratis Apostolidis², Elisabeth Mack³, Maja Artandi¹, Linda Barman¹, Kate Bennett⁴, Saborni Chakraborty¹, Iris Chang¹, Peggie Cheung¹, Sharon Chinthrajah¹, Shaurya Dhingra¹, Evan Do¹, Amanda Finck⁴, Andrew Gaano⁴, Reinhard Gessner⁵, Heather Giannini⁴, Joyce Gonzalez⁴, Sarah Greib³, Margrit Gündisch³, Alex Hsu¹, Alex Kuo¹, Monali Manohar¹, Rong Mao¹, Indira Neeli⁶, Andreas Neubauer³, Oluwatosin Oniyide², Abigail Powell¹, Rajan Puri¹, Harald Renz³, Jeffrey Schapiro⁷, Payton Weidenbacher¹, Rich Wittman¹, Neera Ahuja¹, Ho-Ryun Chung³, Pras Jagannathan¹, Judith James⁸, Peter Kim¹, Nuala Meyer², Kari Nadeau¹, Marko Radic⁶, William Robinson⁹, Upinder Singh¹, Taia Wang¹, John Wherry⁴, Chrysanthi Skevaki³, Eline Luning Prak⁴ and Paul Utz¹⁰, ¹Stanford, San Francisco, ²University of Pennsylvania, Philadelphia, PA, ³Marburg University, Marburg, Germany, ⁴UPenn, Philadelphia, PA, ⁵University of Marburg, Marburg, Germany, ⁶UTHSC, Memphis, TN, ⁷KPNC Regional Laboratory, Berkeley, ⁸Oklahoma Medical Research Foundation, Oklahoma City, OK, ⁹Stanford University, Palo Alto, CA, ¹⁰Stanford University, Stanford, CA
Background/Purpose: Coronavirus Disease 2019 (COVID-19), caused by Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2), is associated with a wide range of clinical manifestations, including autoimmune features…
Abstract Number: 0010 • ACR Convergence 2021
Relaxed Peripheral Tolerance Drives Broad de Novo Autoreactivity in Severe COVID-19
Matthew Woodruff¹, Richard Ramonell², Ankur Singh Saini², Mark Rudolph³, F. Eun-Hyung Lee² and Iñaki Sanz⁴, ¹Emory University, Decatur, GA, ²Emory University, Atlanta, GA, ³Exagen Inc., Vista, CA, ⁴Emory University School of Medicine, Atlanta, GA
Background/Purpose: An emerging feature of COVID-19 is the identification of autoreactivity in patients with severe disease that may contribute to disease pathology, however the origins…
Abstract Number: 0156 • ACR Convergence 2021
Tenosynovitis Detected by Power Doppler Ultrasound: A Differential Feature of Patients with Seronegative Rheumatoid Arthritis
Einer Sanchez Prado¹, Santiago Ruta², Laura Cuellar¹, Sebastian Magri³ and Rodrigo Garcia Salinas⁴, ¹Hospital Italiano La Plata, La Plata, Argentina, ²Hospital San Martin de La Plata, La Plata, Argentina, ³Hospital Italiano La Plata, La Plata, ⁴Hospital Italiano de La Plata, La Plata, Argentina
Background/Purpose: It is known that seronegative rheumatoid arthritis has different characteristics from seropositive RA. Objectives: To estimate the frequency of rheumatoid arthritis (RA) in a…

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