Abstract Number: 0498 • ACR Convergence 2024
ACPA Subtypes, RF Isotypes, and the Risk of Rheumatoid Arthritis-Associated Interstitial Lung Disease
Background/Purpose: Interstitial lung disease (ILD) is among the most significant extra-articular manifestations of rheumatoid arthritis (RA), clinically affecting 8-15% of RA patients, and accounting for…Abstract Number: 0873 • ACR Convergence 2024
Epigenetic Control of Pathogenic CD4 T Cell Polarization During Progression to Rheumatoid Arthritis (RA)
Background/Purpose: Multiple T cell subsets, including Th1, Th17 cells, and Tfh/Tph, contribute to rheumatoid arthritis (RA) pathology. Clinical trials have shown efficacy of T cell…Abstract Number: 0933 • ACR Convergence 2024
NLRP3 Inflammasome Promotes Release of Peptidyl Arginine Deiminases2 and 4 from Human Neutrophils
Background/Purpose: Autoantibodies targeting citrullinated proteins (ACPAs) are a characteristic feature and a diagnostic marker in rheumatoid arthritis (RA). The generation of citrullinated protein autoantigens is…Abstract Number: 1349 • ACR Convergence 2024
Two Composite Cytokine Scores Predict Flare and Drug-free Remission in Patients with Rheumatoid Arthritis
Background/Purpose: Recent studies show that half of patients with RA remission can stop conventional synthetic disease-modifying anti-rheumatic drug (csDMARD) therapy to achieve drug-free remission (DFR),…Abstract Number: 1648 • ACR Convergence 2024
In Vitro Expansion of ACPA-positive B Cells from Rheumatoid Arthritis Patients and Effect of Small Molecule NF-κB Inhibitors on Differentiation and Survival of (Autoreactive) Memory B Cells into Plasma Cells
Background/Purpose: Anti-citrullinated protein antibodies (ACPA) play a role in rheumatoid arthritis (RA) pathogenesis and are associated with disease severity. Detailed analysis of ACPApos B cells…Abstract Number: 1679 • ACR Convergence 2024
Differential Pharmacodynamic Changes of Circulated Immune Subsets After Treatment with Abatacept or Adalimumab in Patients with ACPA+ Early RA in the AMPLIFIED Study
Background/Purpose: Despite considerable advances in pharmacologic approaches to RA management, a better understanding of the underlying immunopathology is still needed.1,2 A dysregulated immune system is…Abstract Number: 0039 • ACR Convergence 2024
Blockade of Soluble and Cell Surface PAD Activity Prevents the Generation of Citrullinated Autoantigens Recognized by RA Patients’ Serum
Background/Purpose: Anti-citrullinated protein autoantibodies (ACPA) promote inflammation and joint tissue injury and define a poor prognostic group of patients with rheumatoid arthritis (RA). Citrullinated autoantigens…Abstract Number: 1871 • ACR Convergence 2024
A Seropositive RA Polygenic Risk Score Does Not Predict Progression to RA in an ACPA Positive Population
Background/Purpose: Serum autoantibodies, such as ACPA and RF, are commonly detectable prior to the development of seropositive clinical RA; however, not all individuals with these…Abstract Number: 0045 • ACR Convergence 2024
Proteomic Analysis of the Rheumatoid Arthritis Citrullinome Reveals an Enrichment of Citrullinated Complement Proteins
Background/Purpose: Citrullination is a key physiological process that drives autoantibody formation in Rheumatoid Arthritis (RA). This irreversible post-translational modification of the amino acid arginine is…Abstract Number: 2168 • ACR Convergence 2024
Two Year Data on Quality of Life, Pain and Mobility Scores After Rituximab Treatment in the Preclinical Phase of Rheumatoid Arthritis
Background/Purpose: Over the past 10 years, several trials have investigated prevention of rheumatoid arthritis (RA) by disease modifying antirheumatic drug (DMARD) therapies. Early treatment of…Abstract Number: 0046 • ACR Convergence 2024
Impaired Neutrophil Extracellular Trap (NET) Degradation in Rheumatoid Arthritis (RA) and Pre-clinical RA Is Mediated by Anti-NET Antibodies
Background/Purpose: Rheumatoid Arthritis (RA) begins after a prolonged preclinical phase which is marked by the development of RA antibodies, typically against citrullinated proteins (ACPA). The…Abstract Number: 2247 • ACR Convergence 2024
Pro-inflammatory Monocytes and CD11c Expression in ACPA Positive Individuals with Arthralgia and Their Associations with Subclinical Synovitis Preceding the Onset of Arthritis
Background/Purpose: Autoantibodies, e.g., against citrullinated proteins (ACPA), increase the risk of clinical arthritis and can be detected years before rheumatoid arthritis (RA) onset. EULAR's definition…Abstract Number: 0056 • ACR Convergence 2024
Association of Soluble Immune Checkpoint Proteins with the Risk of Developing RA in ACPA-positive At-risk Individuals
Background/Purpose: ACPA+ individuals without inflammatory arthritis are considered as being in an at-risk state of RA, although further factors are needed to identify individuals with…Abstract Number: 2671 • ACR Convergence 2024
Subcutaneous Abatacept vs Adalimumab Head-to-Head Comparison in Adults with Early, Dual Seropositive Rheumatoid Arthritis, Positive for the Shared Epitope HLA Class II Risk Alleles, and an Inadequate Response to Methotrexate: Results from a Phase 3 Trial
Background/Purpose: For patients (pts) early in their RA disease course, with a clinical profile characterized by inadequate response to MTX (MTX-IR), high titers of ACPA…Abstract Number: 0057 • ACR Convergence 2024
Flow Cytometry of Cells Within Induced Sputum from Individuals At-Risk for RA Reveals Relative Expansion of Small Macrophages
Background/Purpose: Serum elevations of ACPA in the absence of inflammatory arthritis is a well-established risk factor for the future development of clinical RA. The lung…
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