Abstracts tagged "Myositis"

Abstract Number: 2080 • ACR Convergence 2024
HLA-DRB1*11:01 Association Differenciates Anti-hmgcr Immune-mediated Necrotizing Myopathy from Non-immune Mediated Statin Myotoxicity
Cristina Corrales Selaya¹, Diana Prieto-Peña², gonzalo Ocejo-Viñals³, Carmen Secada Gómez⁴, alfonso Corrales-Martínez⁵, Carmen Ibarbia⁶, Zaida Salmón-gonzalez⁶, Marta Martín-millan⁶, Virginia Portilla-González⁶, Nerea mota-perez⁶, M. sebastian-mora gil⁶, J.C Batista-liz⁶, Veronica Pulito-Cueto⁷, Raquel Lopez-mejias⁷, Ricardo Blanco-Alonso⁸ and Jose Luis Hernandez⁶, ¹Rheumatology, Marques de Valdecilla University Hospital. IDIVAL, Santander, Cantabria, Spain, ²Division of Rheumatology, Hospital Universitario Marqués de Valdecilla. IDIVAL, Immunopathology group, Santander, Cantabria, Spain, ³Department of Immunology, Marqués de Valdecilla University Hospital (HUMV), Santander, Spain, ⁴Rheumatology, Hospital Universitario Marqués de Valdecilla, IDIVAL, Santander, Spain, ⁵Hospital Universitario Marques de Valdecilla, Santander, Spain, ⁶Hospital Universitario Marques de Valdecilla, Santander, Cantabria, Spain, ⁷IDIVAL, Santander, Spain, ⁸Division of Rheumatology, Hospital Universitario Marqués de Valdecilla. IDIVAL, Immunopathology group, Santander, Spain
Background/Purpose: Genetic risk factors may explain why only a small proportion of patients taking statins develop severe cases of anti-3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR) immune-mediated necrotizing myopathy…
Abstract Number: 0319 • ACR Convergence 2024
Sporadic Inclusion Body Myositis Novel Autoantibody and Biomarker Research Utilizing Proteome Microarray and Mass Spectrometry Proteomics Analysis
Farbod Moghaddam¹, Mark Tarnopolsky², Valérie Leclair³, marie Hudson³, Ross Mitchell⁴, Katherine Buhler¹, Erin Hatcher⁵, Meifeng Zhang¹, Antoine Dufour¹, Luiz de Almeida¹, Marvin Fritzler⁶ and May Choi¹, ¹University of Calgary, Calgary, AB, Canada, ²McMaster University, Hamilton, ON, Canada, ³McGill University, Montreal, QC, Canada, ⁴University of Alberta, Edmonton, Canada, ⁵McMaster University, Hamilton, Canada, ⁶Mitogen Diagnostics Corp, Calgary, AB, Canada
Background/Purpose: Sporadic inclusion body myositis (sIBM) is often challenging to diagnose because many patients have no known biomarkers (seronegative). Machine learning was applied to identify…
Abstract Number: 0343 • ACR Convergence 2024
An Interlaboratory Variability Study of Detection Methods for Myositis-Specific and Myositis-Associated Autoantibodies in Sera from Patients with Idiopathic Inflammatory Myopathies
Georgina Harvey¹, Idil Ashur², Xavier Bossuyt³, Martin Bluethner⁴, Anna Brusch⁵, Chris Bundell⁵, hector Chinoy⁶, Claire Coeshott⁷, Charmaine Donald², Juliet Dunphy⁸, Marvin Fritzler⁹, Adrian Heaps², marie Hudson¹⁰, Masataka Kuwana¹¹, Océane Landon-Cardinal¹², Hui Lu¹, FIONNUALA MCMORROW¹, Marie Mayrhofer⁴, Alain Meyer¹³, Birthe Michiels³, Benoit Nespola¹⁴, Susan O'Loughlin¹⁵, Ivana Putova¹⁶, Johan Rönnelid¹⁷, Ross Sadler¹⁸, Maria Teresa Sanz-Martinez¹⁹, Paul Sciore²⁰, Albert Selva-O’Callaghan²¹, Helena Storfors²², Ernesto Trallero-Araguás²³, Yves Troyanov¹², Jade Tyson², Jiří Vencovský²⁴, Akira Yoshida²⁵ and Sarah Tansley¹, ¹University of Bath, Bath, United Kingdom, ²Severn Pathology, North Bristol NHS Trust, Bristol, United Kingdom, ³University Hospitals Leuven, Leuven, Belgium, ⁴MVZ Labor PD Dr. Volkmann und Kollegen GbR, Karlsruhe, Germany, ⁵Department of Clinical Immunology, PathWest Laboratory Medicine, Perth, Western Australia, Australia, ⁶The University of Manchester, Manchester, United Kingdom, ⁷Advanced Diagnostics Laboratories National Jewish Health, Denver, CO, ⁸Royal United Hospital Bath NHS Foundation Trust, Bath, United Kingdom, ⁹Mitogen Diagnostics Corp, Calgary, AB, Canada, ¹⁰McGill University, Montreal, QC, Canada, ¹¹Department of Allergy and Rheumatology, Nippon Medical School, Tokyo, Japan, Tokyo, Japan, ¹²Centre Hospitalier de l'Université de Montréal, Montreal, QC, Canada, ¹³UR3072, Physiology Department, Rheumatology Department, University Hospital of Strasbourg, Strasbourg, France, ¹⁴Laboratoire d’immunologie, Hôpitaux Universitaires de Strasbourg, Strasbourg, France, ¹⁵Greater Manchester Immunology Service, Manchester, England, United Kingdom, ¹⁶Institute of Rheumatology, Prague, Czech Republic, ¹⁷Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden, ¹⁸Laboratory of Immunology, Churchill Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, England, United Kingdom, ¹⁹Immunology Division, Vall d'Hebron Hospital, Barcelona, Spain, ²⁰Mitogen Diagnostics Corp., Calgary, ²¹Internal Medicine Department, Universitat Autònoma de Barcelona, Barcelona, Spain, ²²Department of Clinical Immunology and Transfusion Medicine, Uppsala University Hospital, Uppsala, Sweden, ²³Rheumatology Departament, Vall d'Hebron Hospital, Barcelona, Spain, ²⁴Institute of Rheumatology and Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic, ²⁵Nippon Medical School Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
Background/Purpose: In idiopathic inflammatory myopathy (IIM) spectrum diseases, myositis-specific and myositis-associated autoantibodies (MSAs/MAAs) are key markers of disease subtype and prognosis and are considered routine…
Abstract Number: 1149 • ACR Convergence 2024
Cause-Specific Proportionate Mortality Trends in Idiopathic Inflammatory Myopathies
Ansaam Daoud¹, Muhammad Shamim², Loai Dweik³ and Haseeb Chaudhary⁴, ¹Case Western Reserve University/University Hospitals, Akron, OH, ²University Hospitals/ Case Western Reserve University, Cuyahoga Falls, OH, ³Cleveland Clinic Akron General Internal Medicine, Akron, OH, ⁴Case Western Reserve University, Westlake, OH
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are associated with increased morbidity, mortality, and economic health burden compared to the general population despite advancements in overall disease management.…
Abstract Number: 1168 • ACR Convergence 2024
Improved Survival in Patients with Myositis-Associated Interstitial Lung Disease (ILD) During the Period 2011 to 2023: Comparative and Integrative Analysis of Three Multicenter Cohorts in Japan
Masataka Kuwana¹, Kenichi Masui², Atsushi Kawakami³, Takafumi Suda⁴, Shinji Sato⁵, Yasushi Kawaguchi⁶, Takeshi Johkoh⁷, Tomoaki Hoshino⁸, Naoki Shimada⁹, Yasuhiro Kondoh¹⁰, Yoshinori Tanino¹¹, Tohru Takeuchi¹², Yoshiyuki Abe¹³, Naoki Kimura¹⁴, Yasushi Inoue¹⁵, Keisuke Tomii¹⁶, Toru Arai¹⁷, Kunihiro Yamaoka¹⁸, Kaneshige Sasaki¹⁹, Taio Naniwa²⁰, Ran Nakashima²¹, Kenjiro Shima²², Osamu Nishiyama²³, Yuko Waseda²⁴, Hiroshi Mukae²⁵, Hirofumi Chiba²⁶, Keigo Ikeda²⁷, Kazuya Ichikado²⁸, Yohei Kirino², Koichi Amano²⁹, Takashi Nawata³⁰, Tomoo Kishaba³¹, Daisuke Asatori³², Daisuke Kobayashi²² and Takahisa Gono³³, ¹Department of Allergy and Rheumatology, Nippon Medical School, Tokyo, Japan, Tokyo, Japan, ²Yokohama City University School of Medicine, Yokohama, Japan, ³Nagasaki University, Nagasaki, Japan, ⁴Hamamatsu University School of Medicine, Hamamatsu, Japan, ⁵Tokai University School of Medicine, Isehara, Japan, ⁶Tokyo Women's Medical University School of Medicine, Tokyo, Japan, ⁷Kansai Rosai Hospital, Amagasaki, Japan, ⁸Kurume University School of Medicine, Kurume, Japan, ⁹International University of Health and Welfare, Ohtawara, Japan, ¹⁰Tosei General Hospital, Seto, Japan, ¹¹Fukushima Medical University School of Medicine, Fukushima, Japan, ¹²Osaka Medical and Pharmaceutical University, Takatsuki, Japan, ¹³Juntendo University School of Medicine, Tokyo, Japan, ¹⁴Tokyo Medical and Dental University, Tokyo, Japan, ¹⁵Japanese Red Cross Fukuoka Hospital, Fukuoka, Japan, ¹⁶Kobe City Medical Center General Hospital, Kobe, Japan, ¹⁷NHO Kinki Chuo Chest Medical Center, Sakai, Japan, ¹⁸Kitasato University School of Medicine, Sagamihara, Japan, ¹⁹Kainan Hospital, Yatomi, Japan, ²⁰Nagoya City University, Nagoya, Japan, ²¹Department of Rheumatology and Clinical Immunology, Kyoto University Graduate School of Medicine, Kyoto, Japan, ²²Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan, ²³Kindai University Faculty of Medicine, Osakasayama, Japan, ²⁴University of Fukui, Eiheiji, Japan, ²⁵Nagasaki University Hospital, Nagasaki, Japan, ²⁶Sapporo Medical University, Sapporo, Japan, ²⁷Juntendo University Urayasu Hospital, Urayasu, Japan, ²⁸Saiseikai Kumamoto Hospital, Kumamoto, Japan, ²⁹Saitama Medical Centre, Saitama Medical University, Kawagoe, Japan, ³⁰Yamaguchi University Graduate School of Medicine, Ube, Japan, ³¹Okinawa Chubu Hospital, Uruma, Japan, ³²Tokyo Metropolitan Tama Medical Center, Fuchu, Japan, ³³Nippon Medical School Graduate School of Medicine, Tokyo, Japan
Background/Purpose: ILD is the leading cause of mortality in patients with idiopathic inflammatory myopathies, and rapidly progressive ILD, associated mainly with anti-MDA5 antibody, is the…
Abstract Number: 1779 • ACR Convergence 2024
Single-Nuclear RNA-Sequencing of Treatment Naïve JDM Muscle Highlights Dysregulated Vascular Integrity and Angiogenesis in Endothelial Cells and Decreased Nitric Oxide Synthase Signaling in Type II Muscle Fibers
Jessica Turnier¹, Chioma Madubata², Christine Goudsmit³, Sean Ferris³, Celine Berthier³, Zilan Zheng⁴, Sophia Matossian³, Jeff Dvergsten⁵, Meredyth Wilkinson⁶, Lucy R Wedderburn⁷, Gabrielle Morgan⁸, Lauren Pachman⁹, Claudia Lalancette³, Stephen Parker³, Andrew Heaton¹⁰, J. Michelle Kahlenberg³, Gabriela K Fragiadakis² and Jessica Neely⁴, ¹University of Michigan, Saline, MI, ²University of California, San Francisco, San Francisco, CA, ³University of Michigan, Ann Arbor, MI, ⁴UCSF, San Francisco, CA, ⁵Duke University Hospital, Hillsborough, NC, ⁶Great Ormond Street Institute of Child Health, London, United Kingdom, ⁷UCL GOS Institute of Child Health, London, United Kingdom, ⁸Ann & Robert H. Lurie Children's Hospital of Chicago and Northwestern University Feinberg School of Medicine, Chicago, IL, ⁹Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, ¹⁰Cure JM, Leesburg, VA
Background/Purpose: Juvenile dermatomyositis (JDM) is the most common idiopathic inflammatory myopathy in children, and it frequently follows a chronic disease course. Treatments are limited secondary…
Abstract Number: 2082 • ACR Convergence 2024
Different Clinical Phenotypes of Patients with Anti-synthetase Syndrome: Unsupervised Cluster Analysis in the CLASS Database
Akira Yoshida¹, Iazsmin Bauer Ventura², Eduardo Dourado³, Giovanni Zanframundo⁴, Sara Faghihi Kashani⁵, Aravinthan Loganathan⁶, Daphne Rivero Gallegos⁷, Francisca Bozan⁸, Gianluca sambataro⁹, Sangmee Bae¹⁰, Ernesto Trallero-Araguás¹¹, Andrew Mammen¹², Carlo Scire¹³, Carlomaurizio Montecucco¹⁴, Chester Oddis¹⁵, David Fiorentino¹⁶, Francesco Bonella¹⁷, Frederick Miller¹⁸, Antonella Notarnicola¹⁹, Jens Schmidt²⁰, Jorge Rojas-Serrano²¹, marie Hudson²², Masataka Kuwana²³, Miguel Angel Gonzalez-Gay²⁴, Neil McHugh²⁵, Tamera J Corte²⁶, Tracy J Doyle²⁷, Victoria Werth²⁸, Rohit Aggarwal²⁹ and Lorenzo Cavagna³⁰, and the CLASS project investigators, ¹Nippon Medical School Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan, ²University of Chicago, Chicago, IL, ³Unidade Local de Saúde da Região de Aveiro, Aveiro, Portugal, ⁴Università di Pavia, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy, Milano, Italy, ⁵UCSF, Mountain View, CA, ⁶RUH, Middle Park, Queensland, Australia, ⁷INER, Ciudad de México, Mexico State, Mexico, ⁸Hospital Clinico Universidad de Chile, Santiago, Chile, ⁹University of Catania, Catania, Italy, ¹⁰UCLA, Los Angeles, CA, ¹¹Rheumatology Departament, Vall d'Hebron Hospital, Barcelona, Spain, ¹²NIH, Bethesda, MD, ¹³University of Milano Bicocca, Milan, Italy, ¹⁴IRCCS policlinico S. Matteo foundation, University of Pavia, Pavia, Italy, ¹⁵Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, ¹⁶Stanford University, Menlo Park, CA, ¹⁷Center for Interstitial and Rare Lung Disease Unit, University of Duisburg-Essen, Ruhrlandklinik, Essen, Germany, Essen, Germany, ¹⁸NIH, NIEHS, Chapel Hill, NC, ¹⁹Karolinska University Hospital and Karolinska Institutet, Stockholm, Stockholms Lan, Sweden, ²⁰University Medical Center Goettingen, Göttingen, Germany, ²¹National Institute of Respiratory Diseases, Ismael Cosío Villegas, Mexico City, Mexico, ²²McGill University, Montreal, QC, Canada, ²³Department of Allergy and Rheumatology, Nippon Medical School, Tokyo, Japan, Tokyo, Japan, ²⁴University of Cantabria, Fundación Jimenez Díaz, Madrid, Madrid, Spain, ²⁵University of Bath, Bath, United Kingdom, ²⁶Royal Prince Alfred Hospital, University of Sydney, Sydney, Australia, ²⁷Brigham and Women's Hospital, West Roxbury, MA, ²⁸University of Pennsylvania, Wynnewood, PA, ²⁹Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, USA, Pittsburgh, PA, ³⁰University of Pavia and Fondazione IRCCS Policlinico San Matteo Hospital of Pavia, Pavia, Pavia, Italy
Background/Purpose: Anti-synthetase syndrome (ASSD) is a rare systemic autoimmune rheumatic disease with significant heterogeneity. The Classification Criteria for Anti-Synthetase Syndrome (CLASS) project is an international…
Abstract Number: 0320 • ACR Convergence 2024
Comparative Transcriptional Profiling Reveals Shared Pathway Activation Between Human Jo-1+ Anti-Synthetase Syndrome and Murine Histidyl-tRNA Synthetase-Induced Myositis
Iago Pinal-Fernandez¹, Daniel Reay², Timothy Oriss², katherine Pak³, Maria Casal-Dominguez⁴, jose milisenda⁵, Albert Selva-O’Callaghan⁶, Werner Stenzel⁷, Andrew Mammen¹ and Dana Ascherman⁸, ¹NIH, Bethesda, MD, ²University of Pittsburgh School of Medicine, Pittsburgh, PA, ³National Institutes of Health, Bethesda, MD, ⁴NIH, Bathesda, MD, ⁵Hospital Clinic de Barcelona, Barcelona, Spain, ⁶Systemic Autoimmune Disease Unit, Vall d’Hebron Institute of Research, Barcelona, Spain, ⁷Charite University, Berlin, Germany, ⁸Division of Rheumatology and Clinical Immunology, University of Pittsburgh Medical Center, Pittsburgh, PA
Background/Purpose: Previous work has shown unique gene expression profiles in muscle tissue corresponding to the anti-synthetase syndrome, with an emphasis on interferon gene signatures (Type…
Abstract Number: 0344 • ACR Convergence 2024
Characteristics of Patients with Antisynthetase Antibodies
Danny Kasto¹, Michael McLucas², Anne-Marie Aubin², Armando Faigl² and Gabor Major¹, ¹Dep of Rheumatology Royal Newcastle Centre / John Hunter Hospital, Rankin Park, New South Wales, Australia, ²Dep of Rheumatology Royal Newcastle Centre / John Hunter Hospital, Rankin Park, Australia
Background/Purpose: Aminoacyl transfer RNA synthetase antibodies (ASAbs) are associated with a range of clinical manifestations, including severe lung and muscle disease and are postulated to…
Abstract Number: 1150 • ACR Convergence 2024
Increased ISG15 Expression in Peripheral Blood from Patients with Positive Dermatomyositis Related Specific Autoantibodies
Sylvia Raftopoulou¹, Nikolaos Michalakeas¹, Maria Gerochristou², Nikolaos Marketos¹, Charalampos Skarlis¹ and Clio Mavragani³, ¹Molecular and Applied Physiology Unit, Department of Physiology, School of Medicine, National and Kapodistrian University of Athens., Athens, Greece, ²Andreas Syggros Hospital, National and Kapodistrian University of Athens, Athens, Greece, ³Department of Physiology and Pathophysiology, School of Medicine, National and Kapodistrian University of Athens., Athens, Greece
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are characterised by muscle inflammation (myositis) and weakness, impacting various organ systems. Clinical subtypes include dermatomyositis (DM), antisynthetase syndrome (ASyS),…
Abstract Number: 1170 • ACR Convergence 2024
Computer Aided Lung Informatics, HRCT and PFT in Patients with Interstitial Lung Disease in Idiopathic Inflammatory Myopathies
Sonali Narain¹, Kourosh Shargani², Ivana Ilic³, Irvind Buttar⁴ and Galina Marder⁵, ¹Northwell Health, Great Neck, NY, ²Northwell, Manhasset, NY, ³Northwell, Brooklyn, NY, ⁴Northwell Health/ Lenox Hill Hospital, Dix Hills, NY, ⁵Donald and Barbara Zucker School of Medicine at Hofstra/ Northwell, Great Neck, NY
Background/Purpose: Evaluation of Interstitial Lung Disease (ILD) progression relies on high resolution computed tomography (HRCT) and pulmonary function test (PFT). As we previously reported in our Idiopathic…
Abstract Number: 2060 • ACR Convergence 2024
Clustering Analysis of Immune Cell Subtypes and Clinical Phenotypes in Idiopathic Inflammatory Myopathy
xiaoyan xing¹, Yuhui Li² and Jing He³, ¹Department of Rheumatology and Immunology and Beijing Key Laboratory for Rheumatism and Immune Diagnosis (BZ0135), Peking University People’s Hospital, Beijing, China, Beijing, China, ²Peking University, BeiJing, China, ³Rheumatology, Beijing, China
Background/Purpose: Immune cell profiling plays a pivotal role in the pathogenesis of idiopathic inflammatory myopathy (IIM). Characterizing immune cell subtypes, such as CD4+ T cells,…
Abstract Number: 2083 • ACR Convergence 2024
A Novel Scoring System to Predict a Cancer Development in Patients with Idiopathic Inflammatory Myopathy
Yun Kyu Kim¹, Ju yeon Kim², Jung Yoon Pyo³, Min Jung Kim⁴, Jin Kyun Park⁵, Eun Young Lee⁶, Yun Jong lee³, eun Bong Lee¹ and Jun Won park², ¹Seoul National University Hospital, Seoul, Republic of Korea, ²Seoul National University Hospital, Seoul, Seoul-t'ukpyolsi, Republic of Korea, ³Seoul National University Bundang Hospital, Seongnam-si, ⁴Seoul Metropolitan Government Boramae Medical center, Dongjak-gu, Seoul, South Korea, ⁵Seoul National University College of Medicine, Jongno-gu, Seoul, Republic of Korea, ⁶3Division of Rheumatology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
Background/Purpose: Previous studies have demonstrated that idiopathic inflammatory myopathy (IIM) is associated with an elevated cancer risk. However, there is limited evidence on the specific…
Abstract Number: 0321 • ACR Convergence 2024
Diffusion Weighted Imaging in Muscle MRI Can Detect Quantitative Improvements in Muscle Edema: A Post-hoc Analyses of the Study of Tofacitinib in Refractory Dermatomyositis
Julie Paik¹, Patrick Debs², Anshula Nallapati¹, Lisa Christopher-Stine¹, Jemima Albayda³, Eleni Tiniakou⁴ and Laura Fayad², ¹Johns Hopkins University, Baltimore, MD, ²Johns Hopkins Radiology, Baltimore, MD, ³Johns Hopkins School of Medicine, Baltimore, MD, ⁴Johns Hopkins University, Lutherville Timonium, MD
Background/Purpose: Diffusion weighted imaging (DWI) in muscle magnetic resonance imaging is an underutilized, quantitative assessment tool in idiopathic inflammatory myopathies (IIM). It is not uncommon…
Abstract Number: 0346 • ACR Convergence 2024
Clonally Expanded and Total B Cells in Patients with Idiopathic Inflammatory Myopathies Show Skewed B Cell Subset Distribution and Reduced Somatic Hypermutation Relative to Healthy Controls
Amelia Sawyers¹, Leslie Crofford², Erin Wilfong³ and Rachel Bonami³, ¹Vanderbilt University School of Medicine, Nashville, TN, ²Vanderbilt University Medical Center, Melbourne, AR, ³Vanderbilt University Medical Center, Nashville, TN
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are a collection of rare, systemic rheumatic diseases. A role for B cells in IIM is indicated by the success…

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