Abstract Number: 16 • 2018 ACR/ARHP Annual Meeting
Comprehensive Antibody Profiling Using High Density Peptide Arrays Reveals Novel Citrullinated Protein Targets in Rheumatoid Arthritis Serum Samples
Background/Purpose: Autoantibodies against citrullinated proteins are found in 64-89% of rheumatoid arthritis (RA) patients, with a specificity of 88-99%. While citrullinated vimentin, fibrin and histone…Abstract Number: 1471 • 2018 ACR/ARHP Annual Meeting
ECV304 Cells Self-Citrullinate Proteins Targeted By Anti-Citrullinated Protein/Peptide Autoantibodies from Rheumatoid Arthritis Patients
Background/Purpose: Anti-citrullinated protein/peptide autoantibodies (ACPAs) define a major subset of rheumatoid arthritis (RA) patients. Cyclic citrullinated peptides (CCP) are commonly used as the antigen for…Abstract Number: 2056 • 2018 ACR/ARHP Annual Meeting
Citrullination Is Not a Determinant in the Lack of Tolerance to Peptidylarginine Deiminase 2 and 4 in Rheumatoid Arthritis
Background/Purpose: Peptidylarginine deiminase (PAD) 2 and 4 are targets of the humoral response in RA. However, the mechanisms by which these enzymes become immunogenic in…Abstract Number: 492 • 2017 ACR/ARHP Annual Meeting
Is Leukotoxin_A Produced By Aggregatibacter Actynomycetemcomitans Important for Initiating Autoimmune Responses Underlying Rheumatoid Arthritis?
Background/Purpose: In a recent publication in Science Translational Medicine, Konig et al. (2016) describe a potential explanation for the link between periodontal infection and RA.…Abstract Number: 1072 • 2017 ACR/ARHP Annual Meeting
Mutated Peptidylarginine Deiminase from Porphyromonas Gingivalis Is a Target in Rheumatoid Arthritis and Citrullinates Major RA-Autoantigens
Background/Purpose: Previous reports showed that peptidylarginine deiminase (PPAD) form Porphyromonas gingivalis (P.g.) is not able to citrullinate proteins internally. Mutated PPAD (mPPAD) from P.g. involved…Abstract Number: 965 • 2015 ACR/ARHP Annual Meeting
Crystal Structure of Porphyromonas Gingivalis peptidylarginine Deiminase: Implications for Autoimmunity in Rheumatoid Arthritis
Background/Purpose: Anti-citrullinated protein antibodies (ACPA) are the main autoantibody system in rheumatoid arthritis (RA), and due to high sensitivity and specificity testing using the anti-CCP2…Abstract Number: 527 • 2015 ACR/ARHP Annual Meeting
Characterisation of the Antibody Response to a Citrullinated Peptide – Derived from the Porphyromonas Gingivalis Peptidyl Arginine Deiminase Enzyme – in Patients with Rheumatoid Arthritis
Background/Purpose: It has been hypothesized that Porphyromonas gingivalis - the only known pathogen to express a citrullinating enzyme (called P.PAD) - is etiologically linked to…Abstract Number: 2917 • 2014 ACR/ARHP Annual Meeting
Inhibition of PAD4 Activity and the Formation of Neutrophil Extracellular Traps Via PTPN22, but Not Its Rheumatoid Arthritis-Prone W620 Variant
Background/Purpose: One unique feature of rheumatoid arthritis (RA) is the presence of anti-citrullinated protein antibody (ACPA). Protein citrullination, a process mediated by peptidyl arginine deiminases,…Abstract Number: 1426 • 2014 ACR/ARHP Annual Meeting
Periodontal disease and Clinical Activity of Rheumatoid Arthritis Patients
Background/Purpose: Although several studies have suggested the association between periodontitis, infection by Porphyromona gingivalisand Rheumatoid Arthritis disease activity, its relationship with periodontal disease, oral and…Abstract Number: 2819 • 2013 ACR/ARHP Annual Meeting
Administration Of a Multi-Epitope Citrullinated Peptide Attuneuates adjuvant Induced Arthritis In Rats Via Induction Of Immune Tolerance
Background/Purpose: Antigen-induced peripheral tolerance is a potentially efficient and specific therapeutic approach to attenuate autoimmunity. Citrullinated peptides are major targets of disease-specific autoantibodies in Rheumatoid…Abstract Number: 2685 • 2013 ACR/ARHP Annual Meeting
Anti-Peptidylarginine Deiminase 3/4 Cross-Reactive Antibodies Are Associated With Radiographic Interstitial Lung Disease In Rheumatoid Arthritis, An Effect Potentiated By Smoking
Background/Purpose: Antibodies targeting citrullinated proteins (ACPA) are implicated in the pathogenesis of interstitial lung disease (ILD) in rheumatoid arthritis (RA). Citrullinated proteins and the enzymes…Abstract Number: 1890 • 2013 ACR/ARHP Annual Meeting
Chemokine Receptor Polymorphisms On Chromosome 3 Are Associated With Anticitrullinated Protein Antibody Specificities In African Americans With Rheumatoid Arthritis
Background/Purpose: ACPA antibody specificities to citrullinated autoantigens (e.g., histones, vimentin, fibrinogen) are associated with the preclinical phase of RA and may predict the onset of…Abstract Number: 913 • 2013 ACR/ARHP Annual Meeting
High Throughput Epitope Mapping Of Autoantibodies In BXD2 Mice Reveals The Generation Of Autoantibodies Against Citrullinated Antigens At The Predicted Major Immunogenic Sites
Background/Purpose: Increased polyreactive B cells have been identified in patients with systemic lupus erythematous (SLE) and rheumatoid arthritis (RA). Such autoantibodies (autoAbs) were also identified…Abstract Number: 423 • 2013 ACR/ARHP Annual Meeting
Serological Biomarkers For The Development Of Rheumatoid Arthritis Related Interstitial Lung Disease
Background/Purpose: Interstitial Lung Disease (ILD) is the commonest manifestation of lung disease in Rheumatoid Arthritis (RA) and the only complication reported to be increasing in…
ACR Meeting Abstracts