Abstracts tagged "Synovitis"

Abstract Number: 0554 • ACR Convergence 2022
Loss of Synovial Tissue Macrophage Homeostasis Precedes Rheumatoid Arthritis Clinical Onset
Megan Hanlon¹, Mary Canavan², conor Smith³, Achilleas Floudas⁴, Nuno Neto⁵, Qingxuan Song⁶, Phil Gallagher⁷, Ronan Mullan⁸, Conor Hurson⁹, Barry Moran⁵, Michael Monaghan⁵, Sunil Nagpal¹⁰, Douglas Veale¹¹ and Ursula Fearon⁵, ¹Molecular Rheumatology, Dublin, Ireland, ²Trinity College, Dublin, Ireland, ³bTrinity College Dublin, Dublin, Ireland, ⁴Molecular Rheumatology Trinity Biomedical Sciences Institute, Dublin, Ireland, ⁵Trinity College Dublin, Dublin, Ireland, ⁶Janssen Research and Development, LLC, Spring House, PA, ⁷St Vincent's University Hospital, Dublin, Ireland, ⁸Tallaght University Hospital, Dublin, Ireland, ⁹St Vincents University Hospital, Dublin, Ireland, ¹⁰Janssen Research, Collegeville, PA, ¹¹St. Vincent's University Hospital, Blackrock, Dublin, Ireland
Background/Purpose: Synovial-tissue macrophages significantly contribute to Rheumatoid Arthritis, yet the precise nature/function of macrophage subsets within the inflamed joint remains unexplored. Here we explore the…
Abstract Number: 0619 • ACR Convergence 2022
Differences Between Patients in Remission with Active Rheumatoid Arthritis by Histological and Molecular Comparisons
Selina Ohl¹, Klaus Frommer², Markus Rickert³, Stefan Rehart⁴, Ulf Müller-Ladner⁵ and Elena Neumann⁶, ¹Department of Rheumatology and Clinical Immunology, Campus Kerckhoff, Bad Nauheim, Germany, ²Justus Liebig University Gießen, Department of Rheumatology and Clinical Immunology, Campus Kerckhoff, Bad Nauheim, Germany, ³Dept. of Orthopaedics and Orthopaedic Surgery, University Hospital Giessen and Marburg, Giessen, Germany, Gießen, Germany, ⁴Agaplesion Markus Hospital, Dpt of Orthopaedics and Trauma Surgery, Frankfurt, Germany, ⁵JLU Campus KK, Bad Nauheim, Germany, ⁶JLU Gießen, Campus Kerckhoff, Bad Nauheim, Germany
Background/Purpose: Rheumatoid arthritis (RA) is a chronic autoimmune disease, whose inflammatory processes in the synovium lead to the destruction of cartilage and bone. Although there…
Abstract Number: 0758 • ACR Convergence 2022
Remitting Seronegative Symmetrical Synovitis with Pitting Edema (RS3PE)-like Syndrome After Immune Checkpoint Inhibition: A CanRIO Study
Azin Rouhi¹, Shahin Jamal², Marie Hudson³, Janet Pope⁴, Janet Roberts⁵, Alexandra Ladouceur³, Sara Hewitt⁶ and Carrie Ye¹, ¹University of Alberta, Edmonton, AB, Canada, ²University of British Columbia, Vancouver, BC, Canada, ³McGill University, Montréal, QC, Canada, ⁴University of Western Ontario, London, ON, Canada, ⁵Dalhousie University, Halifax, NS, Canada, ⁶Western University, London, ON, Canada
Background/Purpose: Immune checkpoint inhibitors (ICI) have shown great promise in the treatment of different malignancies. The use of ICIs has been associated with toxicities that…
Abstract Number: 0776 • ACR Convergence 2022
Expert Clinical Management of Immune-related Inflammatory Arthritis: Results from a Multicenter International Expert Survey
Sebastian Bruera¹, Maria Suarez-Almazor² and mar Riveiro-Barciela³, ¹Baylor College of Medicine, Houston, TX, ²MD Anderson Cancer Center, Houston, TX, ³Hospital Universitari Vall d'Hebron, Barcelona, Spain
Background/Purpose: The management of inflammatory arthritis related to immune-related adverse events (irAEs) from immune checkpoint inhibitors (ICI) is challenging. Arthritis can become chronic and require…
Abstract Number: 0803 • ACR Convergence 2022
Performance of Adenosine Deaminase Activity in Sinovial Fluid for the Early Diagnosis of Tuberculous Arthritis: A Meta Analysis
Juan Carlos Cortés-Quiroz¹, Javier Ena², José Antonio Bernal³ and José Rosas⁴, ¹Marina Baixa Hospital, Mutxamel, Spain, ²Department of Internal Medicine. Marina Baixa Hospital, Villajoyosa, Spain, ³Rheumatology Department. Marina Baixa Hospital, Alicante, Spain, ⁴Rheumatology Department, Hospital Marina Baixa, Villajoyosa, Spain
Background/Purpose: Adenosine deaminase (ADA) activity has shown good performance in diagnosing pleural, peritoneal, and meningeal tuberculosis. This study aimed to evaluate the performance of measuring…
Abstract Number: 1232 • ACR Convergence 2022
Reliability and Validity of Single Axial Slice vs. Multiple Slice Quantitative Measurement of the Volume of Effusion-Synovitis on 3T Knee MRI in Knees with Osteoarthritis
Greg Gilles¹, Arjun Vohra¹, Chelsea Caruso¹, Dagoberto Robles¹, Mihra Taljanovic¹, Jeffrey Duryea², Erin Ashbeck¹, Edward Bedrick³ and Kent Kwoh⁴, ¹University of Arizona Arthritis Center, Tucson, AZ, ²Brigham and Women's Hospital, Boston, MA, ³Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ, ⁴University of Arizona, Tucson, AZ
Background/Purpose: Effusion-synovitis (ES) on knee MRI has been identified as an important biomarker of OA. Semi-automated software methods offer objective measurements of ES volume on…
Abstract Number: 1389 • ACR Convergence 2022
The New Serum Synovial Biochemical Marker HELIX-III Predicts Radiological Progression in Early Arthritis Independently of Usual Risk Factors
Patrick Garnero¹, Evelyne Gineyts¹, Jean-Charles Rousseau¹, Pascal Richette², Jérémie SELLAM³ and Roland Chapurlat¹, ¹INSERM 1033, Lyon, France, ²Department of Rheumatology, Hôpital Lariboisière, Assistance Publique-Hôpitaux de Paris, Paris, France, ³Sorbonne Universite, AP-HP, Saint-Antoine hospital, Paris, France
Background/Purpose: The prognosis of rheumatoid arthritis (RA) is highly variable across patients (P.) and difficult to predict. Usual risk factors, e.g., radiological joint damage, increased…
Abstract Number: 1680 • ACR Convergence 2022
Module Signatures of Synovial Single-cell States Identify Disease Phenotypes in Early Treatment-naive Rheumatoid Arthritis
Felice Rivellese¹, Elena Pontarini², Cankut Cubuk¹, Alessandra Nerviani¹, Liliane Fossati-Jimack¹, Anna Surace¹, Elisabetta Sciacca³, Katriona Goldmann¹, Michele Bombardieri⁴, Myles Lewis¹ and Costantino Pitzalis¹, ¹Queen Mary University of London, London, United Kingdom, ²William Harvey Research Institute, London, United Kingdom, ³Queen Mary University of London, Biancavilla, Italy, ⁴Experimental Medicine and Rheumatology, William Harvey Research Institute, Queen Mary University, London, United Kingdom
Background/Purpose: Despite extensive studies, the relationship between circulating and local immune cells and clinico-pathological features of Immune-Mediated Inflammatory Diseases remains unclear. Recently, synovium-specific cell states…
Abstract Number: 1733 • ACR Convergence 2022
Granzyme K Elicits a New Pathway for Complement Activation in RA Synovium
Anna Jonsson¹, Carlos Donado², Emma Gomez-Rivas¹ and Michael Brenner³, ¹Brigham and Women's Hospital, Boston, MA, ²Brigham and Women's Hospital and Harvard Medical School, Boston, MA, ³Brigham and Women's Hospital, Harvard Medical School, Boston, MA
Background/Purpose: T cells are major drivers of rheumatoid arthritis (RA) pathogenesis. Most research has focused on CD4 T cells, but we have found that CD8+…
Abstract Number: 1833 • ACR Convergence 2022
Intraarticular Morphine in Knee-arthritis – Results of a Randomized Placebo-controlled Trial
Hildrun Haibel¹, Joachim Sieper¹, Denis Poddubnyy², valeria Rios-Rodriguez³, Fabian Proft², Mikhail Protopopov⁴, Judith Rademacher⁴, Sabrina Igel⁵, Peter Martus⁶ and Christoph Stein⁵, ¹Charité - Universitätsmedizin, Berlin, Berlin, Germany, ²Department of Gastroenterology, Infectious Diseases and Rheumatology, Charité – Universitätsmedizin Berlin, Berlin, Germany, ³Charité-Universitätsmedizin Berlin, Berlin, Germany, ⁴Charité Universitätsmedizin Berlin, Berlin, Germany, ⁵Charité University Medicine Berlin, Berlin, Germany, ⁶University Hospital Tübingen, Tübingen, Germany
Background/Purpose: The current standard of intraarticular therapy in patients with inflammatory arthritis (e.g. rheumatoid arthritis; RA) or inflammatory exacerbations of osteoarthritis (OA) is the injection…
Abstract Number: 1906 • ACR Convergence 2022
Bile Acid Profile Is Associated to Synovitis in Knee Osteoarthritis
Roxana Coras¹, Jessica Murillo Saich², Michal Hose Sanchez³, Anne Quan³, Emily Gentry¹, Pieter Dorrestein¹, Nancy Lane⁴ and Monica Guma⁵, ¹University of California San Diego, San Diego, CA, ²University of California San Diego, La Jolla, CA, ³VA San Diego Healthcare System, San Diego, CA, ⁴University of California Davis, Hillsborough, CA, ⁵Division of Rheumatology, Allergy, and Immunology, Department of Medicine, University of California San Diego, La Jolla, CA
Background/Purpose: Increasing evidence indicates that low grade systemic and local inflammation contributes to osteoarthritis (OA) progression. Bioactive lipid mediators are signaling molecules involved in inflammatory…
Abstract Number: 0019 • ACR Convergence 2022
Bacterial Peptidoglycan in Synovial Tissue at Time of Total Knee Arthroplasty Is Associated with Inflammatory Synovitis and Younger Patient Age
Meaghan Holub¹, Amanda Wahhab², Joseph Rouse², Brandon Jutras³, Klemen Strle⁴, Adam Edelstein⁵ and Robert Lochhead⁶, ¹Central Michigan University College of Medicine, Mount Pleasant, MI, ²Medical College of Wisconsin, Milwaukee, WI, ³Virginia Tech, Blacksburg, VA, ⁴Wadsworth Center, Albany, NY, ⁵Northwestern Medicine, Chicago, IL, ⁶Medical College of Wisconsin, Germantown, WI
Background/Purpose: Peptidoglycan (PG) is a bacterial cell wall component that is known to induce innate immune responses. PG has been identified as a driver of…
Abstract Number: 1969 • ACR Convergence 2022
The Potential Diagnostic Value of C-X-C Motif Chemokine 13 (CXCL13) in Seronegative Arthritis
Silvia Piantoni¹, Fabrizio Angeli¹, Francesca Regola², Franco Franceschini² and Paolo Airò³, ¹Rheumatology and Clinical Immunology Unit, Department of Clinical and Experimental Sciences, ASST Spedali Civili and University of Brescia, Brescia, Italy, ²Rheumatology and Clinical Immunology Unit, ASST Spedali Civili and University of Brescia, Brescia, Italy, ³Rheumatology and Clinical Immunology Unit, ASST Spedali Civili, Brescia, Italy
Background/Purpose: The finding of circulating biomarkers in the field of chronic arthritis is still an unmet need, especially for the subgroup of seronegative arthritis [e.g.,…
Abstract Number: 0261 • ACR Convergence 2022
Machine Learning and Computational Pathology Can Reveal Synovial Pathotypes in Mice and Humans
Richard Bell¹, Matthew Brendel², Justin Xiang³, AMP RA/SLE Consortium¹, Edward DiCarlo¹, Jennifer Anolik⁴, Laura Donlin¹, Dana Orange⁵, Edward Schwarz⁴, Lionel Ivashkiv¹ and Fei Wang², ¹Hospital for Special Surgery, New York, NY, ²Weil Cornell Medical College, New York, NY, ³Horace Grant High School, New York, NY, ⁴University of Rochester Medical Center, Rochester, NY, ⁵The Rockefeller University, New York, NY
Background/Purpose: Synovial pathotyping is a critical step in understanding the etiology of inflammatory arthritis as different pathotypes have differential response to therapy. Determining these pathotypes…
Abstract Number: 1971 • ACR Convergence 2022
Cumulative Joint Inflammation Is Associated with Local Joint Damage Progression in Rheumatoid Arthritis Despite Long-Term Targeted Treatment
Sascha Heckert¹, Sytske Anne Bergstra², Yvonne Goekoop-Ruiterman³, Melek Guler-Yuksel⁴, Willem Lems⁵, Xanthe Matthijssen⁶, Maikel Van Oosterhout⁷, Tom Huizinga⁶ and CF Allaart⁶, ¹Leiden University Medical Centre, Leiden, Netherlands, ²LUMC, Leiden, Netherlands, ³HagaZiekenhuis, The Hague, Netherlands, ⁴Maasstad ziekenhuis, Rotterdam, Netherlands, ⁵Amsterdam University Medical Centers, Amsterdam, Netherlands, ⁶Leiden University Medical Center, Leiden, Netherlands, ⁷Groene Hart Ziekenhuis, Gouda, Netherlands
Background/Purpose: In Rheumatoid Arthritis (RA), both systemic and local disease activity have been shown to be associated with joint damage progression. Earlier we showed that…

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