Abstracts tagged "pathogenesis"

Abstract Number: 1572 • 2016 ACR/ARHP Annual Meeting
Relationship Between KDR (VEGFR2) Gene Polymorphisms and Serum KDR Protein Levels in Patients with Rheumatoid Arthritis
Agnieszka Paradowska-Gorycka¹, Barbara Stypinska², Andrzej Pawlik³, Damian Malinowski³, Katarzyna Romanowska-Próchnicka⁴, Ewa Haladyj⁵, Malgorzata Manczak⁶ and Marzena Olesinska⁷, ¹Department of Biochemistry and Molecular Biology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland, ²Department of Biochemistry and Molecular Biology, National Institute of geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland, ³Department of Pharmacology, Pomeranian Medical University, Szczecin, Poland, ⁴Department of Pathophysiology, Medical University of Warsaw and Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland, ⁵Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland, ⁶Department of Epidemiology and Health Promotion, National Institute of geriatrics, Rheumatology and Rehabilitation,, Warsaw, Poland, ⁷Department of Connective Tissue Disease, National Institute of Geriatrics, Rheumatology and Rehabilitation,, Warsaw, Poland
Background/Purpose: Rheumatoid arthritis (RA) is one of the chronic autoimmune diseases, with genetic and environmental predisposition, and synovial angiogenesis is considered to be a notable…
Abstract Number: 1658 • 2016 ACR/ARHP Annual Meeting
Regulatory Role of the IL-9/IL-9R System on Pannus Formation in Psoriatic Arthritis
Siba P. Raychaudhuri^1,2 and Smriti K. Raychaudhuri³, ¹Davis, CA, ²Rheumatology, Univ of California, Davis & VAMC Sacramento, Davis, CA, ³Rheumatology/Immunology, VA Sacramento Medical Center, Davis, CA
Background/Purpose: Earlier we have reported that synovial tissues of psoriatic arthritis (PsA) and rheumatoid arthritis (RA) are enriched with the Th9 cells along…
Abstract Number: 802 • 2015 ACR/ARHP Annual Meeting
Identification of Cyclin-Dependent Kinase 1 As a Novel Regulator for Controlling Type I Interferon Signaling in Systemic Lupus Erythematosus
Lingling Wu¹, Bo Qu¹, Yuting Qin¹ and Nan Shen^1,2, ¹Shanghai Institute of Rheumatology,Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China, ²The Center for Autoimmune Genomics and Etiology (CAGE),Cincinnati Children’s Hospital Medical Center,Cincinnati, Ohio, United States of America, Cincinnati, OH
Background/Purpose: Type I interferon (IFN) signaling has been a central pathogenic pathway in systemic lupus erythematosus (SLE). The application of specific inhibitors of IFN pathway has emerged…
Abstract Number: 3136 • 2015 ACR/ARHP Annual Meeting
Impact of Prokinetic Agents on Systemic Sclerosis-Associated Gastrointestinal Disease: A Systematic Review
Annaliese Tisseverasinghe¹, Ahmad Kadhim², Ambica Parmar², Louis Liu² and Sindhu R. Johnson¹, ¹Toronto Scleroderma Program, Division of Rheumatology, Toronto Western Hospital, Mount Sinai Hospital, Institue of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada, ²Division of Gastroenterology, Toronto Western Hospital, University of Toronto, Toronto, ON, Canada
Background/Purpose: More than 90% of patients with Systemic Sclerosis (SSc) have gastroinstestinal (GI) involvement, commonly dysmotility causing complications such as gastroesophageal reflux and constipation. Treatment…
Abstract Number: 961 • 2015 ACR/ARHP Annual Meeting
Altered Th Cell Plasticity Favors Th17 Cells in Rheumatoid Arthritis
Jan Leipe¹, Fausto Pirronello², Hendrik Schulze-Koops² and Alla Skapenko², ¹Division of Rheumatology, University of Munich, Munich, Germany, ²Division of Rheumatology and Clinical Immunology, University of Munich, Munich, Germany
Background/Purpose: Previously, T helper (Th) cell subsets have been regarded as irreversibly differentiated endpoints. However, evidence suggests that Th cell differentiation is a plastic process…
Abstract Number: 964 • 2015 ACR/ARHP Annual Meeting
Neutrophil Extracellular Traps Are Not Only Targets for ACPA-Positive IgG from Rheumatoid Arthritis Patients but Also Directly Trigger Pro- and Anti-Inflammatory Effects Partly Mediated By the C1q Complement Protein
Matthieu Ribon¹, Sarra Seninet¹, Katarzyna Matyja¹, Mireille Sebbag², Cyril Clavel², Julie Mussard¹, Guy Serre², Marie-Christophe Boissier³ and Patrice Decker¹, ¹Inserm UMR 1125, Li2P, University of Paris 13, Sorbonne Paris Cité, Bobigny, France, ²University of Toulouse, UMR 5165 CNRS-1056 Inserm, Toulouse, France, ³Rheumatology Department, Avicenne Hospital, AP-HP, Bobigny, France
Background/Purpose: Activated neutrophils (PMN) form neutrophil extracellular traps (NET). Those structures are expelled chromatin fibers composed of DNA and associated proteins. The process, NETosis, is…
Abstract Number: 1163 • 2015 ACR/ARHP Annual Meeting
Dynamic Regulation of Enhancers and Super-Enhancers in Rheumatoid Arthritis Synovial Finroblasts
Sung-Ho Park¹, Christopher Sohn¹, Konstantinos Loupasakis², Angela Lee³, Eugenia Giannopoulou¹, Lionel B. Ivashkiv³ and George D. Kalliolias¹, ¹Hospital for Special Surgery, New York, NY, ²Rheumatology, Hospital for Special Surgery Weill Cornell Medical College, New York, NY, ³Medicine, Hospital for Special Surgery, New York, NY
Background/Purpose: Enhancers are regulatory elements that modulate transcriptional rates of genes. Super-enhancers (SupE) are extremely large enhancers associated primarily with highly expressed genes that have…
Abstract Number: 1619 • 2015 ACR/ARHP Annual Meeting
Genetic Influences of Susceptibility to Rheumatoid Arthritis in African Americans
Vincent A. Laufer¹, Richard J. Reynolds², Maria I. Danila³, Hemant K. Tiwari⁴, Amit Patki⁴, Carl D. Langefeld⁵, Devin Absher⁶, Donna K. Arnett⁷ and S. Louis Bridges Jr.⁸, ¹Division of Clinical Rheumatology and Immunology, University of Alabama at Birmingham, Birmingham, AL, ²Medicine, University of Alabama at Birmingham, Birmingham, AL, ³AL, ⁴Biostatistics, University of Alabama at Birmingham, Birmingham, AL, ⁵Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, NC, ⁶Hudson Alpha Institute for Biotechnology, Huntsville, AL, ⁷University of Alabama at Birmingham, Birmingham, AL, ⁸Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL
Background/Purpose: Trans-ethnic analyses have found similarities and differences in genetic influences on RA susceptibility among Caucasians and Asians, making both validation and novel gene association…
Abstract Number: 1621 • 2015 ACR/ARHP Annual Meeting
Genetic Contributions to Radiographic Damage in African Americans with Rheumatoid Arthritis on a Panel of Autoimmune Disease Markers
Vincent A. Laufer¹, Richard J. Reynolds², Peter K. Gregersen³, S. Louis Bridges Jr.⁴, Maria I. Danila⁵ and CLEAR Investigators, ¹Division of Clinical Rheumatology and Immunology, University of Alabama at Birmingham, Birmingham, AL, ²Medicine, University of Alabama at Birmingham, Birmingham, AL, ³Robert S. Boas Center for Genomics and Human Genetics, Feinstein Institute for Med Res, Manhasset, NY, ⁴Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, ⁵AL
Background/Purpose: Rheumatoid arthritis (RA) is a complex autoimmune condition affecting 0.5-1% of populations worldwide and having a significant heritable component. A major endophenotype within RA…
Abstract Number: 2012 • 2015 ACR/ARHP Annual Meeting
TNF Confers Pathogenic Memory in Synovial Fibroblasts Via Chromatin Remodeling, NF-Kb-Dependent Transcription and MAPK-Mediated mRNA Stabilization
Konstantinos Loupasakis¹, Christopher Sohn², Lionel B. Ivashkiv³ and George D. Kalliolias², ¹Rheumatology, Hospital for Special Surgery Weill Cornell Medical College, New York, NY, ²Hospital for Special Surgery, New York, NY, ³Arthritis and Tissue Degeneration Program and the David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY
Background/Purpose: We investigated mechanisms driving pathogenic behavior of synovial fibroblasts (FLS) in rheumatoid arthritis (RA). Methods: FLS from RA patients (1987 classification criteria) were extracted.…
Abstract Number: 2133 • 2015 ACR/ARHP Annual Meeting
Receptor Protein Tyrosine Phosphatase Alpha Enhances Rheumatoid Synovial Fibroblast Signaling and Promotes Arthritis in Mice
Stephanie M. Stanford¹, Mattias N. D. Svensson¹, Cristiano Sacchetti¹, Caila A. Pilo¹, Dennis J. Wu¹, William B. Kiosses², Annelie Hellvard³, Brith Bergum³, German R. Aleman Muench¹, Christian Elly¹, Yun-Cai Liu¹, Jeroen den Hertog^4,5, Ari Elson⁶, Jan Sap⁷, Piotr Mydel³, David L. Boyle⁸, Maripat Corr⁸, Gary S. Firestein⁸ and Nunzio Bottini¹, ¹Cellular Biology, La Jolla Institute for Allergy and Immunology, La Jolla, CA, ²The Scripps Research Institute, La Jolla, CA, ³Clinical Science, Broegelmann Research Laboratory, Bergen, Norway, ⁴Hubrecht Institute-Koninklijke Nederlands Akademie van Wetenschappen and University Medical Center Utrecht, Utrecht, Netherlands, ⁵Institute of Biology Leiden, Leiden, Netherlands, ⁶Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel, ⁷Epigenetics and Cell Fate, Université Paris Diderot Sorbonne Paris Cité, Paris, France, ⁸Division of Rheumatology, Allergy and Immunology, University of California at San Diego School of Medicine, La Jolla, CA
Background/Purpose: Rheumatoid arthritis (RA) fibroblast-like synoviocytes (FLS) promote disease pathogenesis by aggressively invading the joint extracellular matrix. The focal adhesion kinase (FAK) signaling pathway is…
Abstract Number: 2605 • 2015 ACR/ARHP Annual Meeting
14-3-3η Positive Status and Higher Titres Are Associated with More Severe RA
Shintaro Hirata¹, Kentaro Hanami², Anthony Marotta³ and Yoshiya Tanaka⁴, ¹The First Department of Internal Medicine, University of Occupational & Environmental Health, Japan, Kitakyushu, Japan, ²The First Department of Internal Medicine, University of Occupational and Environmental Health, Japan, Kitakyushu, Japan, ³Augurex Life Sciences Corp., Vancouver, BC, Canada, ⁴The First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
Background/Purpose: Serum 14-3-3η is an RA diagnostic marker that is associated with radiographic progression risk. In vitro studies describe 14-3-3η's potent, dose-dependent up-regulation of factors…
Abstract Number: 2699 • 2015 ACR/ARHP Annual Meeting
Muscle Inflammation Relates to Disease Activity and Disability but Not Insulin Resistance in Rheumatoid Arthritis
Ryan Jessee¹, Rachel Narowski², Monica Hubal³, Janet Huebner⁴, Virginia Kraus⁵, William Kraus⁶ and Kim Huffman^2,7, ¹Internal Medicine, Duke University Medical Center, Durham, NC, ²Duke Molecular Physiology Institute, Duke University Medical Center, Durham, NC, ³Research and Education, George Washington University School of Medicine and Health Sciences, Washington, DC, ⁴Duke Molecular Physiology Institute,, Duke University Medical Center, Durham, NC, ⁵Duke Molecular Physiology Institute, Duke University School of Medicine, Durham, NC, ⁶Division of Cardiology, Duke University Medical Center, Durham, NC, ⁷Durham Veterans Affairs Medical Center, Durham, NC
Background/Purpose: Rheumatoid arthritis (RA) is associated with increased cardiovascular disease, insulin resistance, and disability. Our objectives were to analyze levels of skeletal muscle inflammatory cytokines…
Abstract Number: 2706 • 2015 ACR/ARHP Annual Meeting
3D Location of Erosions in an Early Rheumatoid Arthritis Population: An MRI Study Using Statistical Shape Models with Implications for Pathogenesis
Michael A. Bowes¹, Gwenael Guillard¹, Z. Xie², Bethanie Wilkinson² and Philip G. Conaghan³, ¹Imorphics, Manchester, United Kingdom, ²Pfizer Inc, Groton, CT, ³University of Leeds & NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds, United Kingdom
Background/Purpose: Concepts of erosion pathogenesis in rheumatoid arthritis (RA) have been based on radiographs, although MR images are much better able to visualise erosions. Statistical…
Abstract Number: 2710 • 2015 ACR/ARHP Annual Meeting
Necrox-7 Inhibits Cell Aggressiveness By Suppressing of NF-Kappa B Activation and Reactive Oxygen Species Generation in Human Rheumatoid Arthritis Fibroblast-like Synoviocytes
Hyun Jung Yoo^1,2, Jin Kyun Park², Eun Young Lee², Eun Bong Lee² and Yeong Wook Song^2,3, ¹Department of Molecular Medicine and Biopharmaceutical Sciences, BK21 plus Graduate School of Convergence Science and Technology, and College of Medicine or College of Pharmacy, Seoul National University, Seoul, South Korea, ²Division of Rheumatology, Department of Internal Medicine, Seoul National University Hospital, Seoul, South Korea, ³Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology and College of Medicine Seoul National University, Seoul, South Korea
Background/Purpose: Rheumatoid arthritis (RA) is characterized by hyperplastic synovial pannus tissue, which mediates destruction of cartilage and bone. Fibroblast-like synoviocytes (FLS) are a key component…

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