Abstracts Archive - Page 6 of 2605 - ACR Meeting Abstracts

Abstract Number: 0029 • ACR Convergence 2025
A Novel B Cell Subpopulation Characteristic of IgA Vasculitis Identified by Single-Cell RNA Sequencing
Joao Carlos Batista-Liz¹, María Sebastián Mora-Gil², Evan Troendle³, Oisin Cappa³, Maite Leonardo⁴, Ana Peñalba⁴, Luis mARTIN pENAGOS⁵, Ligia Gabrie-Rodriguez⁶, Rafael Gálvez Sánchez⁶, Jose Luis Callejas⁷, Belen Sevilla⁸, Diego de Argila⁹, Esther Vicente-Rabaneda⁹, Santos Castañeda¹⁰, David Simpson³, Ricardo Blanco¹¹, Verónica Pulito Cueto¹ and Raquel Lopez Mejias¹, ¹IDIVAL, Santander, Spain, ²Immunopathology Group, IDIVAL, Santander, Spain, ³Queens University, Wellcome-Wolfson Institute for Experimental Medicine, Belfast, United Kingdom, ⁴Division of Pediatrics, Hospital Universitario Marqués de Valdecilla, Santander, Spain, ⁵Immunopathology Group, IDIVAL and Division of Nephrology, Hospital Universitario Marqués de Valdecilla, Santander, Spain, ⁶Division of Rheumatology, Hospital Universitario Marqués de Valdecilla, IDIVAL, Immunopathology Group, Santander , Spain, Santander, Spain, ⁷Department of Internal Medicine, Hospital San Cecilio, Granada, Spain, ⁸Division of Pediatrics, Hospital Universitario San Cecilio, Granada, Spain, ⁹Hospital Universitario de la Princesa, Madrid, Spain, ¹⁰Hospital Universitario de La Princesa, IIS-Princesa, Madrid, Madrid, Spain, ¹¹Rheumatology Division, Hospital Universitario Marqués de Valdecilla, IDIVAL, Immunopathology Group, Santander, Spain, Santander, Cantabria, Spain
Background/Purpose: IgA vasculitis (IgAV) is a systemic small-vessel vasculitis characterized by immune complex deposition containing aberrantly glycosylated IgA1. While its clinical manifestations are well defined…
Abstract Number: 0030 • ACR Convergence 2025
Immune-related Diagnoses Associated with NOD2 Variants in Human Subjects: A Phenome-wide Association Study
John Davis¹, Elizabeth Atkinson¹, Vanessa Kronzer¹, Cynthia Crowson², Afsaneh Alavi³, John Damianos¹, Loftus Edward¹, Joseph Murray¹, Ann Moyer¹ and Filippo Pinto e Vairo¹, ¹Mayo Clinic, Rochester, MN, ²Mayo Clinic, Stewartvillle, MN, ³Department of Dermatology, Mayo Clinic, Rochester, MN
Background/Purpose: The nucleotide-binding oligomerization domain-containing protein 2 (NOD2) gene is associated with risk for several inflammatory diseases, including Crohn disease, Blau syndrome, and Yao syndrome…
Abstract Number: 0036 • ACR Convergence 2025
Integrated Analysis of Polygenic and Environmental Risk Scores for Late-Onset Systemic Lupus Erythematosus
Mehmet Hocaoglu¹ and Amr Sawalha², ¹University of Pittsburgh Medical Center, Piitsburgh, PA, ²University of Pittsburgh, Pittsburgh, PA
Background/Purpose: Polygenic risk scores (PRS) have been constructed to summarize genetic risk but there is limited research on environment-wide analysis of risk factors for systemic…
Abstract Number: 0071 • ACR Convergence 2025
Unravelling Transcriptomic Landscapes in Rheumatoid Arthritis and Systemic Lupus Erythematosus: Shared and Unique Molecular Signatures related to relevant clinical features.
Chary López pedrera¹, Tomás Cerdó², Ismael Sanchez-Pareja², Daniel Toro³, MARIA ANGELES AGUIRRE ZAMORANO², Elena Moreno-Caño⁴, Laura muñoz-Barrera², Sagrario Corrales², Rafaela Ortega-Castro⁵, Concepción Aranda-Valera⁶, Lourdes Ladehesa⁷, Jerusalén Calvo⁶, Pilar Font⁸, M Carmen Abalos-Aguilera⁹, Desiree Ruiz-Vilchez¹⁰, Christian Merlo-Ruiz⁹, Nuria Barbarroja¹¹, Carlos Pérez Sánchez¹², Marta Alarcon-Riquelme¹³ and Alejandro Escudero Contreras⁶, ¹Rheumatology service/Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/ Reina Sofia University Hospital/ University of Cordoba, Spain, Cordoba, Spain, ²Rheumatology service/Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/ Reina Sofia University Hospital/ University of Cordoba, Spain, Córdoba, Spain, ³GENYO / Karolinska Institutet, Granada / Stockholm, Spain, ⁴IMIBIC-Reina Sofia Hospital-University of Cordoba, Cordoba, Spain, Córdoba, Spain, ⁵Rheumatology service/Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/ Reina Sofia University Hospital/ University of Cordoba, Spain, Cordoba, Andalucia, Spain, ⁶IMIBIC / Reina Sofia Hospital / University of Cordoba, Córdoba, Spain, ⁷IMIBIC-Reina Sofia Hospital-University of Cordoba, Cordoba, Spain, Cordoba, Spain, ⁸Rheumatology service/Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/ Reina Sofia University Hospital/ University of Cordoba, SpainBiomedicine of Cordoba (IMIBIC)/ Reina Sofia University Hospital/ University of Cordoba, Spain, Cordoba, Spain, ⁹Rheumatology service/Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/ Reina Sofia University Hospital/ University of Cordoba, Spain, Córdoba, Spain, ¹⁰Department of Rheumatology, Reina Sofía University Hospital / Maimonides Institute for Biomedical Research of Córdoba (IMIBIC) / Department of Medical and Surgical Sciences, Faculty of Medicine, University of Córdoba, Spain, Cordoba, Spain, ¹¹Rheumatology service/Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/ Reina Sofia University Hospital/ University of Cordoba, Spain/CobiomicBioscience S.l, Cordoba, Spain, Cordoba, Spain, ¹²Rheumatology service/Maimonides Institute for Research in Biomedicine of Cordoba (IMIBIC)/ Reina Sofia University Hospital/ University of Cordoba, Spain/ CobiomicBioscience S.l, Cordoba, Spain, Cordoba, Spain, ¹³Fundación Progreso y Salud, Andalusian Government, Granada, Spain
Background/Purpose: This study aimed to identify shared and distinct gene and protein expression profiles associated with clinical features in rheumatoid arthritis (RA), systemic lupus erythematosus…
Abstract Number: 0086 • ACR Convergence 2025
Androgen Upregulates Interferon Signaling in Osteoclast Differentiation During Inflammatory State
Kiana Chen¹, Chia-Lung Wu², Gulzada Kulzhanova² and Homaira Rahimi³, ¹University of Rochester School of Medicine and Dentistry, Bronx, NY, ²University of Rochester Medical Center, Rochester, ³University of Rochester, Rochester, NY
Background/Purpose: Rheumatoid arthritis (RA) is characterized by chronic inflammatory erosions and female predominant disease. Androgen, the dominant sex hormone in males, is protective against bone…
Abstract Number: 0083 • ACR Convergence 2025
Confirmatory Factor Analysis of the Plutchik Suicide Risk Scale in Patients with Rheumatoid Arthritis
Pedro Quevedo¹, Javier mora², william garcia², alejandra Solano², juliana Muñoz² and Daniela Lopez², ¹San Rafael Cinic University Hospital, Bogota, Distrito Capital de Bogota, Colombia, ²san rafael clinic universtity hospital, Bogota, Distrito Capital de Bogota, Colombia
Background/Purpose: Prevalence of depression in RA patients ranging from 10% to 25%, making it the most common psychiatric disorder in this population. The Plutchik Suicide…
Abstract Number: 0049 • ACR Convergence 2025
Enhanced Src Homology Region 2 Domain-containing Phosphatase 1 Activity Ameliorates Murine Inflammatory Arthritis Through the Innate Immune System
Jun Li, Katalin Mikecz and Adrienn Markovics, Rush University Medical Center, Chicago
Background/Purpose: Src homology region 2 domain-containing phosphatase 1 (SHP-1) is a cytoplasmic protein tyrosine phosphatase expressed in hematopoietic cells (PMID9069265). SHP-1 is a key negative…
Abstract Number: 0063 • ACR Convergence 2025
Effect of alpha-ketoglutarate on Synovial Fibroblasts-Mediated Inflammation in Arthritis
Surabhi Gautam, Vinay Devulapalli, Akash Sathiyamurthi, Jayla Whittaker and Pallavi Bhattaram, Emory University, Atlanta, GA
Background/Purpose: Rheumatoid arthritis (RA) and related autoimmune joint disease patients exhibit cyclic episodes of resolution and exacerbation of joint inflammation, referred to as flares. Fibroblast-like…
Abstract Number: 0051 • ACR Convergence 2025
Spp1+ Macrophages Are Specifically Enriched in Arthritic Joints and Associated with Abnormal Bone Metabolism in Collagen-Induced Arthritis Mice
Chenjia He, Xuyang Xia, Heng Xu, Geng Yin and Qibing Xie, West China Hospital, Sichuan University, Chengdu, China (People's Republic)
Background/Purpose: Synovial fluid (SF) of RA patients contains unique SPP1+ macrophages that drive pathogenesis by activating fibroblast-like synoviocytes (FLS). Single-cell RNA sequencing (scRNA-seq) data from…
Abstract Number: 0003 • ACR Convergence 2025
In Vivo Generation of anti-CD19 CAR T Cells Utilizing Circular RNA Encapsulated in Targeted Lipid Nanoparticles
Xiaoyu Pan¹, Xiaoning Wang¹, Zhihao Chen¹, Xiaowen Zou¹, Siqi Li¹, Jian Ye¹, Fei Lin¹, Yang He¹, Edo Kon², Peng Zhu¹, Mengyun Chen¹ and Weiyi Zhang¹, ¹RiboX Therapeutics, Shanghai, China (People's Republic), ²RiboX Therapeutics, Cambridge, MA
Background/Purpose: Chimeric Antigen Receptor (CAR) T-cell therapy has revolutionized cancer treatment and shown promise in addressing autoimmune diseases. However, current ex vivo CAR T-cell therapies…
Abstract Number: 0021 • ACR Convergence 2025
DoCTIS: A Single Cell RNA-Seq Atlas of Drug Response To Targeted Therapies
Antonio Julià¹, Yolanda Guillén², Paloma Vela Casasempere³, Antonio Fernández Nebro⁴, Carlos Marras⁵, Santos Castañeda⁶, Jaime Calvo Alén⁷, Jesús Tornero Molina⁸, Juan Cañete⁹, Eugeni Domènech¹⁰, Javier Gisbert¹¹, Jose M. Carrascosa¹², Eduardo Fonseca¹³, Luis Bujanda Fernández De pierola¹⁴, Valle García Sánchez¹⁵, Britta Siegmund¹⁶, Giampiero Girolomoni¹⁷, Holger Heyn¹⁸, Laura Jiménez Gracia¹⁸, Pere Santamaria¹⁹, Edgar Angelats²⁰, Richard Myers²¹, Sergio H. Martínez Mateu², Juan Ángel Patiño Galindo², Ernest Choy²² and Sara Marsal¹, ¹Vall d'Hebron Hospital Research Institute, Rheumatology Research Group, Barcelona, Spain, ²IMIDomics, Barcelona, Spain, ³Hospital General Universitario de Alicante, Rheumatology, Alicante, Spain, ⁴Hospital Regional Universitario Carlos Haya, Rheumatology, Málaga, Spain, ⁵Hospital Universitario Virgen de la Arrixaca, Rheumatology, Murcia, Spain, ⁶Hospital Universitario de La Princesa, IIS-Princesa, Madrid, Madrid, Spain, ⁷Hospital Universitario de Araba, Rheumatology, Vitoria, Spain, ⁸Hospital Universitario de Guadalajara, Rheumatology, Guadalajara, Spain, ⁹Rheumatology Department, Hospital Clínic and IDIBAPS, Barcelona, Spain, Barcelona, Spain, ¹⁰Hospital Universitari Germans Trias i Pujol, Gastroenterology, Badalona, Spain, ¹¹Hospital Universitario La Princesa, Rheumatology, Madrid, Spain, ¹²Hospital Universitari Germans Trias i Pujol, Dermatology, Badalona, Spain, ¹³Complejo Hospitalario Universitario de A Coruña, Dermatology, A Coruña, Spain, ¹⁴Hospital Universitario de Donostia, Gastroenterology, San Sebastián, Spain, ¹⁵Hospital Universitario Reina Sofía, Gastroenterology, Córdoba, Spain, ¹⁶Charité-Universitätsmedizin Berlin, Gastroenterology, Berlin, Germany, ¹⁷University of Verona, Dermatology, Verona, Spain, ¹⁸Centre for Genomic Regulation (CNAG-CRG), Barcelona, Spain, ¹⁹Institut d'Investigacions Biomèdiques August Pi i Sunyer, Barcelonoa, Spain, ²⁰Hospital Clínic-IDIBAPS, Barcelona, Spain, ²¹HudsonAlpha Institute for Biotechnology, Huntsville, AL, ²²Division of Infection and Immunity, CREATE Centre, Cardiff University, Cardiff, United Kingdom
Background/Purpose: Targeted therapies have revolutionized the management of immune-mediated inflammatory diseases (IMIDs), however, there is a substantial number of patients who respond poorly to a…
Abstract Number: 0090 • ACR Convergence 2025
Interleukin-36β modulates the progression of rheumatoid arthritis by altering the behavior of rheumatoid arthritis synovial fibroblasts
Marie Svenja Kümmel¹, Mona Arnold-Gräf², Selina Ohl², Klaus Frommer³, Nils Schulz⁴, Stefan Rehart⁵, Ulf Müller-Ladner³ and Elena Neumann³, ¹Dept. of Rheumatology and Clinical Immunology, Campus Kerckhoff, Bad Nauheim, Justus-Liebig-University, Germany, Gießen, Germany, ²Dept. of Rheumatology and Clinical Immunology, Campus Kerckhoff, Bad Nauheim, Justus-Liebig-University, Germany, Bad Nauheim, Germany, ³Dept. of Rheumatology and Clinical Immunology, Campus Kerckhoff, Bad Nauheim, Justus-Liebig-University, Germany, Bad Nauheim, Hessen, Germany, ⁴Kerkchoff Klinik, Dep. of rheumatology, Bad Nauheim, Germany, ⁵Agaplesion Markus Hospital, Frankfurt, Hessen, Germany
Background/Purpose: Rheumatoid arthritis synovial fibroblasts (RASF) play a central role in driving inflammation and promoting cartilage degradation in Rheumatoid arthritis (RA). In our study, we…
Abstract Number: 0092 • ACR Convergence 2025
SynovAI: A Revolutionary AI Framework for Enhanced Detection and Differentiation of Rheumatoid Arthritis, Osteoarthritis, and Spondyloarthritis via Advanced Ultrasound Imaging
Mojtaba S. Fazli¹, Mariani Diaz Deluna², Suzanne Tamang² and Robert Fairchild², ¹Stanford University, San Francisco, CA, ²Stanford University, Stanford, CA
Background/Purpose: Rheumatology musculoskeletal ultrasound (MSKUS) is a powerful technique to identify and differentiate arthritidies joint pathology, yet MSKUS is highly dependent on user experience. Techniques…
Abstract Number: 0085 • ACR Convergence 2025
Single Cell RNA-seq Revealed Immune/epithelial Cell Abnormalities Underlying the Pathogenesis of Rheumatoid Arthritis-related Interstitial Lung Disease
Kensuke Suga¹, Amara Seng², Changfu Yao³, Tanyalak Parimon³, Youn Jung Choi², Justyna Fert-Bober⁴, Barry Stripp³, Jon Giles⁵, Peter Chen³ and Nunzio Bottini⁶, ¹Kao Autoimmunity Institute, Cedars-Sinai Medical Center, Beverly Hills, CA, ²Kao Autoimmunity Institute, Cedars-Sinai Medical Center, Los Angeles, CA, ³Women's Guild Lung Institute, Cedars-Sinai Medical Center, Los Angeles, CA, ⁴Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, CA, ⁵Cedars Sinai Medical Center, Los Angeles, CA, ⁶Cedars Sinai Medical Center, Beverly Hills, CA
Background/Purpose: Interstitial lung disease (ILD) is one of the extra-articular manifestations of rheumatoid arthritis (RA) characterized by inflammation and/or fibrosis. Clinically relevant RA-ILD occurs in…
Abstract Number: 0043 • ACR Convergence 2025
Single-cell and Spatial Transcriptomic Profiling of Muscle Reveals Inflammatory Mechanisms in Anti-glycyl tRNA Synthetase Syndrome
Takuya Harada¹, Hiroyuki Yamashita¹, Ami Isoda¹, Ken Kawaue¹, Mayuko Hayashi¹, Yutaro Misawa¹, Aruto Yamamoto¹, Miyu Wakatsuki¹, Yuya Akiyama¹, Setsuko Oyama¹, Kyoko Motomura¹, Hiroyuki Takahashi¹, Akiko Mitsuo², Yuichi Goto³, Eisei Noiri³ and Hiroshi Kaneko¹, ¹Division of Rheumatic Diseases, National Center for Global Health and Medicine, Japan Institute for Health Security, Tokyo, Japan, ²Division of Clinical Laboratory Medicine, National Center for Global Health and Medicine, Japan Institute for Health Security, Tokyo, Japan, ³National Center Biobank Network, Tokyo, Japan
Background/Purpose: We characterized the spatial distribution of immune cells and identified hub genes within activated molecular networks in key immune cell populations, based on the…

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