Abstract Number: 488 • 2016 ACR/ARHP Annual Meeting
Exploring the Association Between Air Pollutant Exposure and Seropositivity in Rheumatoid Arthritis
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
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: 1619 • 2015 ACR/ARHP Annual Meeting
Genetic Influences of Susceptibility to Rheumatoid Arthritis in African Americans
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
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
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
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
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
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
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
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…Abstract Number: 2711 • 2015 ACR/ARHP Annual Meeting
The Lung Microbiome in Rheumatoid Arthritis and Associated Local/Systemic Autoimmunity
Background/Purpose: Rheumatoid arthritis (RA) is a complex autoimmune disorder in which several genetic and environmental factors play a role. Recent data suggest that the gut…Abstract Number: 483 • 2015 ACR/ARHP Annual Meeting
Antibody to Malondialdehyde-Acetaldehyde (MAA) Adducts Serve As Biomarkers of Treatment Response in Rheumatoid Arthritis
Background/Purpose: Previous reports have demonstrated that malondialdehyde-acetaldehyde (MAA) adducts are produced as a byproduct of oxidative stress and lipid peroxidation and are expressed in…Abstract Number: 2723 • 2015 ACR/ARHP Annual Meeting
Basal STAT5 Signaling Is Elevated in Multiple Peripheral Blood Cell Subsets in Rheumatoid Arthritis and Is Markedly Downregulated By IFN-γ in T Lymphocytes
Background/Purpose: The importance of type I interferons (IFN-α and others) as a driver of pathogenesis in autoimmunity, including rheumatoid arthritis (RA) is well recognized. However,…Abstract Number: 519 • 2015 ACR/ARHP Annual Meeting
In Indigenous North Americans at High Risk for RA Complement C5 Level Is Associated with ACPA Positivity and C5a with Transition to Synovitis Even after Correcting for in Vitro Complement Activation Found with Prolonged Sample Storage
Background/Purpose: Complement activation, a key component of innate immunity and activator of adaptive immunity has been linked to RA pathogenesis. Anti-citrullinated peptide antibody (ACPA) and…Abstract Number: 3085 • 2015 ACR/ARHP Annual Meeting
Platelet Activation and Endothelial Reactivity in the Pathogenesis of Tissue Inflammation/Injury in Systemic Lupus Erythematosus
Background/Purpose: Patients with systemic lupus erythematosus (SLE) are at increased risk for widespread endothelial dysfunction, vascular thromboses, and premature cardiovascular disease. Enhanced platelet activation and…
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