Abstracts tagged "pathogenesis"

Abstract Number: 38 • 2019 ACR/ARP Annual Meeting
Autophagy Receptor Optineurin in Synovial Fibroblasts Plays a Protective Role Against Joint Destruction in Rheumatoid Arthritis
Wen Shi Lee¹, Masaru Kato ¹, Eri Sugawara ¹, Michihiro Kono ¹, Yuki Kudo ², Michihito Kono ³, Yuichiro Fujieda ¹, Toshiyuki Bohgaki ¹, Olga Amengual ¹, Kenji Oku ¹, Shinsuke Yasuda ¹ and Tatsuya Atsumi ⁴, ¹Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan, ²Hokkaido University Graduate School of Medicine, Sapporo, Japan, ³Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Hokkaido, Japan, ⁴Hokkaido University, Sapporo, Japan
Background/Purpose: Joint destructions progress throughout the course of rheumatoid arthritis (RA) without complete remission. Optineurin (OPTN) is an autophagy receptor with multiple functions related to…
Abstract Number: 34 • 2018 ACR/ARHP Annual Meeting
Microbiome-Drived Aberration of Hematopoietic Stem Cell Development Facilitates Immune Deregulation on the Onset of Collagen-Induced Arthritis in Mice
Peiqing Yang¹, Lingchong Su¹, Yanhong Li¹, Yi Liu² and Yubin Luo³, ¹West China Hospital, Sichuan University, Chengdu, China, ²Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan, China, Chengdu, China, ³Department of Rheumatology & Immunology,, West China Hosptial, Sichuan University, Chengdu, China
Background/Purpose: Increasing studies indicate that immune deregulation occurs prior to symptom in Rheumatoid arthritis (RA). Hematopoietic stem cell (HSC) gives rise to multipotent progenitors differentiating…
Abstract Number: 152 • 2018 ACR/ARHP Annual Meeting
Polymorphonuclear Neutrophils and Regulatory T Lymphocytes (Treg) Cooperate to Sustain Treg Activity in Normal and Arthritic Contexts
Maxime Batignes¹, François Santinon¹, Marie-Christophe Boissier^2,3, Patrice Decker⁴ and Natacha Bessis¹, ¹INSERM UMR 1125 University of Paris 13, Sorbonne Paris Cité, Bobigny, France, ²University of Paris 13,Sorbonne Paris Cité, Bobigny, France, ³Rheumatology Department, Assistance Publique – Hôpitaux de Paris (AP-HP), Avicenne Hospital, Bobigny, France, ⁴Inserm UMR 1125, Li2P, University of Paris 13, Sorbonne Paris Cité, Bobigny, France
Background/Purpose: Polymorphonuclear neutrophils (PMN) are abundant and activated in rheumatoid arthritis (RA) joints. In addition to their pro-inflammatory role, PMN exert immunoregulatory functions and may…
Abstract Number: 929 • 2018 ACR/ARHP Annual Meeting
Transcriptional Profiling of the Subcutaneous Rheumatoid Nodule: An Insight into Pathogenic Mechanisms and Cellular Content
Judith Marsman¹, Melanie J Millier¹, John Highton¹, Lisa K. Stamp² and Paul A Hessian¹, ¹Department of Medicine, University of Otago, Dunedin, New Zealand, ²University of Otago, Christchurch, New Zealand
Background/Purpose: Rheumatoid nodules are the most common cutaneous manifestation in patients with RA, often associated with longstanding and a more severe disease course. Paradoxically, therapy…
Abstract Number: 1332 • 2018 ACR/ARHP Annual Meeting
Proteomic Discovery Analysis Identifies Unique Proteins and Pathways Correlating with Different Clinical Activity and Damage Measures in Juvenile Dermatomyositis (JDM)
Hanna Kim¹, Angelique Biancotto², Foo Cheung², Terrance P. O'Hanlon³, Yan Huang⁴, Frederick W. Miller³, Raphaela Goldbach-Mansky⁴ and Lisa G. Rider⁵, ¹Pediatric Translational Research Branch, NIAMS, NIH, Bethesda, MD, ²Center for Human Immunology Autoimmunity and Inflammation (CHI), NIAID, NIH, Bethesda, MD, ³Environmental Autoimmunity Group, NIEHS, NIH, Bethesda, MD, ⁴Translational Autoinflammatory Disease Section (TADS), Laboratory of Clinical Investigation and Microbiology (LCIM), NIAID/NIH, Bethesda, MD, ⁵Environmental Autoimmunity Group, National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, MD
Background/Purpose: JDM is a complex heterogeneous autoimmune disease. To define biomarkers and better understand JDM pathogenesis, aptamer-based proteomic technology was used to mine the serum…
Abstract Number: 1981 • 2018 ACR/ARHP Annual Meeting
A Molecular Bayesian Network for Rheumatoid Arthritis Reveals Multiple Candidate Key Regulators for Disease Severity
Wenhui Wang¹, Amit Lahiri², Teresina Laragione², Jun Zhu¹ and Percio S. Gulko^2,3, ¹Genetics and Genomics, Icahn School of Medicine at Mount Sinai, New York, NY, ²Medicine/Rheumatology, Icahn School of Medicine at Mount Sinai, New York, NY, ³Icahn School of Medicine at Mount Sinai, New York, NY
Background/Purpose: Rheumatoid arthritis (RA) is a common and chronic autoimmune joint disease. RA is pathologically heterogeneous with multiple contributing factors. While there has been a…
Abstract Number: 1982 • 2018 ACR/ARHP Annual Meeting
An Integrative Rheumatoid Arthritis Network for Elucidating Molecular Mechanisms Underlying RA Severity
Wenhui Wang¹, Teresina Laragione², Amit Lahiri², Jun Zhu¹ and Percio S. Gulko³, ¹Genetics and Genomics, Icahn School of Medicine at Mount Sinai, New York, NY, ²Medicine/Rheumatology, Icahn School of Medicine at Mount Sinai, New York, NY, ³Icahn School of Medicine at Mount Sinai, New York, NY
Background/Purpose: Rheumatoid arthritis (RA) is a pathologically heterogeneous disease with multiple contributing factors. Many models have been developed to study RA severity and progression, and…
Abstract Number: 2035 • 2018 ACR/ARHP Annual Meeting
Effect of Baricitinib on Joint-Related Biomarkers in Patients with Moderate-to-Severe Rheumatoid Arthritis
Christian S. Thudium¹, Anne C. Bay-Jensen¹, Suntara Cahya², Ernst R. Dow², Morten A. Karsdal¹, Alisa E. Koch², Wenling Zhang² and Robert J. Benschop², ¹Nordic Bioscience, Herlev, Denmark, ²Eli Lilly and Company, Indianapolis, IN
Background/Purpose: Baricitinib (bari) is an oral selective inhibitor of Janus kinase (JAK) 1 and JAK2. In the phase 3 study RA-BUILD (NCT01721057), once-daily bari yielded…
Abstract Number: 2050 • 2018 ACR/ARHP Annual Meeting
B and T Cell Phenotypes of First Degree Relatives of RA Patients in an Indigenous North American Cohort
Stacy Tanner¹, Christine Zhang², Irene Smolik³, Aaron Marshall² and Hani El-Gabalawy⁴, ¹Rheumatology, University of Manitoba, Winnipeg, MB, Canada, ²Immunology, University of Manitoba, Winnipeg, MB, Canada, ³Arthritis Center, University of Manitoba, Winnipeg, MB, Canada, ⁴University of Manitoba, Winnipeg, MB, Canada
Background/Purpose: First degree relatives (FDR) of patients with RA are known to have approximately 4 times increased risk of developing RA and prevalence of RA…
Abstract Number: 2053 • 2018 ACR/ARHP Annual Meeting
Global Mirna Expression and Transcriptomic Profiling of Monocytes from RA Patients
Marzena Ciechomska¹, Krzysztof Bonek², Piotr Gluszko², Marzena Olesinska², Bartosz Wojtas³, Vladimir Benes⁴ and Wlodzimierz Maslinski¹, ¹Department of Pathophysiology and Immunology, National Institute of Geriatrics Rheumatology and Rehabilitation, Warsaw, Poland, Warsaw, Poland, ²Department of Rheumatology, National Institute of Geriatrics Rheumatology and Rehabilitation, Warsaw, Poland, Warsaw, Poland, ³Nencki Institute of Experimental Biology, Warsaw, Poland, Warsaw, Poland, ⁴The European Molecular Biology Laboratory, Heidelberg, Germany, Heidelberg, Germany
Background/Purpose: Infiltration of the synovium by mononuclear cells, including monocytes, is one of the main features of RA. Monocytes are the first immune cells which…
Abstract Number: 2084 • 2018 ACR/ARHP Annual Meeting
Targeting the Voltage-Gated K+ Channels: T Cell Targeted Therapies for Spondyloarthritis
Siba P. Raychaudhuri¹, Smriti K. Raychaudhuri² and Heike Wulff³, ¹Rheumatology Section, Sacramento Veterans Affairs Medical Center, Sacramento, CA, ²Rheumatology/Immunology, VA Sacramento Medical Center, Davis, CA, ³Pharmacology, School of Medicine, University of California Davis, Davis, CA
Background/Purpose: TCR (T cell receptor) engagement triggers intracellular Ca++ influx through voltage-independent Ca2+ channels. This crucial Ca2+-influx is only possible by a counterbalancing K+ efflux…
Abstract Number: 2791 • 2018 ACR/ARHP Annual Meeting
Characterization of Monoclonal Anti-PAD4 Autoantibodies from Rheumatoid Arthritis Patients: Functional Implications for Citrullination and Disease Progression
Alejandro Gomez, Sarah Kongpachith, Nithya Lingampalli, Cecilia Cisar and William H. Robinson, Department of Medicine, Stanford University, Stanford, CA
Background/Purpose: Anti-citrullinated protein antibodies (ACPA) are present in two-thirds of patients with rheumatoid arthritis (RA), and target proteins that have been post-translationally modified by the…
Abstract Number: 1902 • 2017 ACR/ARHP Annual Meeting
A Pattern of Higher Serum Levels of IL-10 and MMP-3, Along with Lower IL-6R, Identify RA Patients with Interstitial Lung Disease
Jon T. Giles¹, Cheilonda Johnson², Elana J. Bernstein³, Erika Darrah⁴, Felipe Andrade⁵ and Sonye K. Danoff⁶, ¹Division of Rheumatology, Columbia University, College of Physicians and Surgeons, New York, NY, ²Medicine/Pulmonology, Johns Hopkins University School of Medicine, Baltimore, MD, ³Rheumatology, Columbia University, New York, NY, ⁴Department of Medicine/Division of Rheumatology, The Johns Hopkins University School of Medicine, Baltimore, MD, ⁵Medicine/Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, ⁶Medicine, Johns Hopkins University School of Medicine, Baltimore, MD
Background/Purpose: The pathogenesis and prediction of RA-associated interstitial lung disease (ILD), an extra-articular manifestation with high morbidity and mortality, is poorly understood. We explored the…
Abstract Number: 2435 • 2017 ACR/ARHP Annual Meeting
Circulating Mirnas As Potential Biomarkers of Cardiovascular Disease in Rheumatoid Arthritis Patients
Chary Lopez-Pedrera¹, Nuria Barbarroja¹, Patricia Ruiz-Limon², Ivan Arias de la Rosa², Maria Carmen Abalos-Aguilera², Yolanda Jiménez-Gómez¹, Rafaela Ortega-Castro¹, Eduardo Collantes-Estévez¹, Alejandro Escudero-Contreras², Raquel Lopez-Mejías³, Miguel Angel González-Gay³ and Carlos Perez-Sanchez¹, ¹Rheumatology service, IMIBIC/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain, ²Rheumatology Service, IMIBIC/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain, ³Hospital Universitario Marqués de Valdecilla. IDIVAL. Santander. Universidad de Cantabria. Spain, Santander, Spain
Background/Purpose: Extracellular microRNAs, circulating in the bloodstream and extracellular space, have been proposed as attractive candidates as both diagnostic and prognostic biomarkers in various diseases,…
Abstract Number: 78 • 2017 ACR/ARHP Annual Meeting
IL-37 Is Associated with Increased Atherogenesis in Patients with Rheumatoid Arthritis
Barbora Sumova^1,2, Tereza Lennerova^1,2, Lucie Andres Cerezo¹, Hana Hulejova¹, Romana Jandova¹, Karel Pavelka^1,2, Jiri Vencovsky^1,2 and Ladislav Senolt^1,2, ¹Institute of Rheumatology, Prague, Czech Republic, Prague, Czech Republic, ²Department of Rheumatology, 1st Faculty of Medicine, Charles University, Prague, Czech Republic, Prague, Czech Republic
Background/Purpose: Interleukin-37 (IL-37) is one of few anti-inflammatory cytokines belonging to the IL-1 cytokine family. It is mainly produced by immune cells of innate immunity…