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: 2417 • 2016 ACR/ARHP Annual Meeting
High Dimensional Interrogation of the T Cell Immunome in Polyarticular Juvenile Idiopathic Arthritis Patients
Jing Yao Leong¹, Justin Tiong², Joo Guan Yeo^2,3, Liyun Lai¹, Phyllis Chen³, Loshinidevi D/O Thana Bathi³, Thaschawee Arkachaisri², Daniel J Lovell⁴ and Salvatore Albani^1,5, ¹SingHealth Translational Immunology and Inflammation Centre, Singapore Health Services Pte Ltd, Singapore, Singapore, ²Rheumatology and Immunology, KK Women's and Children's Hospital, Singapore, Singapore, ³Singhealth Translational Immunology and Inflammation Centre, Singapore Health Services Pte Ltd, Singapore, Singapore, ⁴PRCSG Cincinnati Children's Hospital Medical Center, Cinncinnati, OH, ⁵Duke-National University of Singapore Medical School, Singapore, Singapore
Background/Purpose: Clinical management of polyarticular JIA with anti-TNF-alpha has been met with moderate success, with up to 50% of patients demonstrating clinically meaningful efficacy. Concerns…
Abstract Number: 178 • 2016 ACR/ARHP Annual Meeting
Alpha-Enolase Promotes Pro-Inflammatory Phenotype of Monocytes-Derived Macrophages
Pascal Rottenberg^1,2, Manuel Fréret^1,2, Sébastien Calbo¹ and Olivier Vittecoq^1,2, ¹INSERM U905 & Normandy University, Institute for Research and Innovation in Biomedicine, Rouen, France, ²Rheumatology, Rouen University Hospital, Rouen, France
Background/Purpose: Monocytes of healthy donors were cultured with M-CSF (gcultured with ENO1, or control BSA, to investigate its effect on monocytes differentiation and macrophages polarization.…
Abstract Number: 2558 • 2016 ACR/ARHP Annual Meeting
Dissociation of the Inhibitory Apoptosis Stimulating Protein of p53 (iASPP) Binding with Transcription Factor p73 Induces Synovial Fibroblast Apoptosis in the Rheumatoid Joint
Chrong-Reen Wang¹, Shih-Yao Chen¹, Ai-Li Shiau², Ming-Fei Liu¹ and Chao-Liang Wu³, ¹Internal Medicine, National Cheng Kung University Medical College and Hospital, Tainan, Taiwan, ²Microbiology and Immunology, National Cheng Kung University Medical College, Tainan, Taiwan, ³Biochemistry and Molecular Biology, National Cheng Kung University Medical College, Tainan, Taiwan
Background/Purpose: Apoptosis-resistant synovial fibroblasts (SFs) constitute the major cell component of pannus tissues in rheumatoid arthritis (RA). In tumor cells, the binding of inhibitory…
Abstract Number: 179 • 2016 ACR/ARHP Annual Meeting
CD11b+Gr1dimcells, Which Are Induced By GM-CSF Produced By Th17 and Group3 Innate Lymphoid Cell, May Facilitate the Progression of Pneumonitis in SKG Mice
Sho Sendo¹, Jun Saegusa¹, Takaichi Okano², Soshi Takahashi³ and Akio Morinobu¹, ¹Rheumatology and Clinical Immunology, Kobe University Graduate School of Medicine, Kobe, Japan, ²Rheumatology and Clinical immunology, Kobe University Graduate School of Medicine, Kobe, Japan, ³Department of Rheumatology and Clinical Immunology, Kobe University Graduate School of Medicine, Kobe, Japan
Background/Purpose: Rheumatoid lung disease is a prognostic factors of rheumatoid arthritis in human. The pathogenesis and the mechanism of rheumatoid lung disease is unclear. Zymosan…
Abstract Number: 2560 • 2016 ACR/ARHP Annual Meeting
Sputum Antibody to Malondialdehyde-Acetaldehyde Adduct in Subjects with Established Rheumatoid Arthritis
Bryant R. England^1,2, Peter Maloley³, Eric Daubach³, Michael J. Duryee⁴, M. Kristen Demoruelle⁵, Kevin D. Deane⁵, Geoffrey M. Thiele⁶ and Ted R Mikuls⁶, ¹Division of Rheumatology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, ²VA Nebraska-Western Iowa, Omaha, NE, ³University of Nebraska Medical Center, Omaha, NE, ⁴Internal Medicine Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE, ⁵Division of Rheumatology, University of Colorado School of Medicine, Aurora, CO, ⁶Veteran Affairs Nebraska-Western Iowa Health Care System and University of Nebraska Medical Center, Omaha, NE
Background/Purpose: Anti-malondialdehyde-acetaldehyde adduct (MAA) antibodies target immunogenic products of oxidative stress, are detected in higher concentration in paired synovial fluid vs serum in RA, and…
Abstract Number: 488 • 2016 ACR/ARHP Annual Meeting
Exploring the Association Between Air Pollutant Exposure and Seropositivity in Rheumatoid Arthritis
Asha Mariam Alex^1,2, Gary A. Kunkel³, Jorge Flautero Arcos⁴, Richard Amdur⁵ and Gail S. Kerr⁶, ¹Rheumatology, Veterans Affairs Medical Center, Washington, DC, ²Rheumatology, Georgetown University Hospital, Washington, DC, ³Division of Rheumatology, George Wahlen VA Medical Center/University of Utah, Salt Lake City, UT, ⁴Rheumatology, Howard University Hospital, Washington, DC, ⁵Lead Biostatistician, Medical Faculty Associates Clinical Professor, Dept. of Surgery, George Washington University School of Medicine & Health Sciences, Washington, DC, ⁶Washington DC VAMC, Georgetown University Hospital, Howard University Hospital, Washington, DC
Background/Purpose: The etiology of rheumatoid arthritis (RA) is multi-factorial, with expression of HLA-DRB1 shared epitope (SE), smoking and socioeconomic status (SES) exerting influence. Prior studies…
Abstract Number: 2562 • 2016 ACR/ARHP Annual Meeting
Human Seroreactivity to Gut Microbiota Antigens in Rheumatoid Arthritis and Controls-Lack of Association with Rheumatoid Arthritis Autoantibodies
Carol Hitchon¹, Charles O. Elson², David Robinson³, Irene Smolik³ and Hani S. El-Gabalawy¹, ¹University of Manitoba, Winnipeg, MB, Canada, ²Dept of Medicine, University of Alabama at Birmingham, Birmingham, AL, ³Arthritis Center, University of Manitoba, Winnipeg, MB, Canada
Background/Purpose: The human gut microbiome maintains normal immune homeostasis. Changes to the microbiota evolve with aging and have been implicated in the development of autoimmune…
Abstract Number: 568 • 2016 ACR/ARHP Annual Meeting
Triggering Receptor Expressed on Myeloid Cells (TREM) As a Novel Indicator of Disease Progression in ‘at-Risk’ Individuals
Laura Hunt¹, Sahar Musaad^1,2, John Stephenson³, Becki Burn², Isao Matsuura¹, Kulveer Mankia¹, Jackie L. Nam¹ and Paul Emery¹, ¹NIHR-Leeds Musculoskeletal Biomedical Research Unit and Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom, ²Microbiology, Calderdale & Huddersfield NHS Foundation Trust, Huddersfield, United Kingdom, ³Department Health Sciences, University of Huddersfield, Huddersfield, United Kingdom
Background/Purpose: Whilst the exact aetiology of rheumatoid arthritis (RA) remains unclear, current concepts suggest an environmental link with possible microbial triggers. Studying individuals at-risk of…
Abstract Number: 2578 • 2016 ACR/ARHP Annual Meeting
Plasma Levels of Bone Morphogenetic Protein (BMP) Subgroups and Their Inhibitors (noggin, sclerostin) in Rheumatoid Arthritis Patients and Correlation with Disease Activity, Clinical and Radiographic Progression
Ozge Kockara¹, Merve Sibel Gungoren², Erdem Karabulut³, Sebnem Ataman⁴ and Filiz Akbiyik², ¹Physical Medicine and Rehabilitation, Ankara University Faculty of Medicine, Ankara, Turkey, ²Medical Biochemistry, Hacettepe University Faculty of Medicine, Ankara, Turkey, ³Biostatistics, Hacettepe University Faculty of Medicine, Ankara, Turkey, ⁴Rheumatology Department, Ankara University Faculty of Medicine, Ankara, Turkey
Background/Purpose: Progressive bone destruction occurs in rheumatoid arthritis (RA) due to imbalance of osteoblast/osteoclast activity. Bone morphogenetic proteins (BMPs) regenerate bone damage by stimulating the…
Abstract Number: 570 • 2016 ACR/ARHP Annual Meeting
A Molecular Timeline for Preclinical RA Pathogenesis Defined By Dysregulated PTPN22, Hypercitrullination, and Aberrant Cytokine/Metabolic Profiles in PBMC of at-Risk Individuals
Hui-Hsin Chang¹, Nishant Dwivedi², Bo Sun², Deepak A. Rao³, Jeffrey A. Sparks³, Jennifer Kinslow⁴, Yuko Okamoto⁴, Kevin D. Deane⁵, M. Kristen Demoruelle⁶, Jill M. Norris⁷, Elizabeth Karlson², V. Michael Holers⁸ and I-Cheng Ho¹, ¹Brigham and Women's Hospital, Harvard Medical School, Boston, MA, ²Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, ³Division of Rheumatology, Immunology, and Allergy, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, ⁴University of Colorado School of Medicine, Aurora, CO, ⁵Division of Rheumatology, University of Colorado School of Medicine, Aurora, CO, ⁶Rheumatology, University of Colorado School of Medicine, Aurora, CO, ⁷Epidemiology, Colorado School of Public Health, Aurora, CO, ⁸Rheumatology Division, University of Colorado School of Medicine, Aurora, CO
Background/Purpose: One unique feature of RA is the presence of ACPA. PTPN22 is a phosphatase that also acts to suppress citrullination independently of its phosphatase…
Abstract Number: 2928 • 2016 ACR/ARHP Annual Meeting
Hypomethylation of an Intragenic Alternative Promoter Contributes to Impaired Treg Function in Rheumatoid Arthritis By Transcriptional Interference with Expression of the Treg-Specific Protein, Glycoprotein a Repetitions Predominant (GARP)
Alla Skapenko, Jan Leipe and Hendrik Schulze-Koops, Division of Rheumatology and Clinical Immunology, University of Munich, Munich, Germany
Background/Purpose: The expression of Treg specific genes, such as the master transcription factor of Tregs, FoxP3 or the Treg specific surface molecule, glycoprotein A repetitions…
Abstract Number: 581 • 2016 ACR/ARHP Annual Meeting
Cell-Mediated Neutrophil Lysis-a Mechanism Promoting Hypercitrullination in Rheumatoid Arthritis?
Tal Gazitt¹, Christian Lood¹, Xizhang Sun², David Feith³, Jeffrey Ledbetter², Gordon Starkebaum¹, Thomas Loughran Jr.⁴ and Keith B. Elkon¹, ¹Department of Medicine, Division of Rheumatology, University of Washington, Seattle, WA, ²University of Washington, Seattle, WA, ³Hematology and Oncology, University of Virginia, Charlottesville, VA, ⁴Hematology Oncology, University of Virginia, Charlottesville, VA
BACKGROUND/PURPOSE:Protein citrullination, the post-translational conversion of arginine to citrulline, mediated by peptidylarginine deiminase (PAD) enzymes, is considered a likely mechanism for the stimulation of anti-citrullinated…
Abstract Number: 3017 • 2016 ACR/ARHP Annual Meeting
Elevated Neutrophil Extracellular Trap Levels Correlate with Anti-CCP3-IgG and Anti-CCP3-IgA Levels in the Sputum of Individuals at-Risk for Future Rheumatoid Arthritis
M. Kristen Demoruelle¹, Monica Purmalek², Heather Rothfuss³, Michael Weisman⁴, Lindsay Kelmenson¹, Michael Mahler⁵, Jill M. Norris⁶, Brian Cherrington³, Mariana Kaplan², V. Michael Holers¹ and Kevin D. Deane¹, ¹Rheumatology Division, University of Colorado Denver, Aurora, CO, ²Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, ³Zoology and Physiology, University of Wyoming, Laramie, WY, ⁴Rheumatology, Cedars-Sinai Medical Center, Los Angeles, CA, ⁵Research and Development, Inova Diagnostics, San Diego, CA, ⁶Epidemiology, Colorado School of Public Health, Aurora, CO
Background/Purpose: The initial site of anti-citrullinated protein antibody (ACPA) generation in RA has been proposed to be a mucosal site. We have previously demonstrated ACPA…

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