Abstract Number: 2660 • 2015 ACR/ARHP Annual Meeting
Elevated 14-3-3η Serum Protein Levels Increase RA Confirmation Rates in Recent-Onset Polyarthritis Patients
Background/Purpose: The 14-3-3 family of conserved regulatory proteins consists of seven isoforms: α/β, γ, δ/ζ, ε, η, θ/τ and σ. These proteins exist as intracellular…Abstract Number: 551 • 2015 ACR/ARHP Annual Meeting
Baseline Autoantibodies Preferentially Impact Abatacept Efficacy in Patients with RA Who Are Biologic Naïve: 6-Month Results from a Real-World, International, Prospective Study
Background/Purpose: In a recent meta-analysis, neither rheumatoid factor (RF) nor anti-cyclic citrullinated peptide (anti-CCP) antibody status were associated with clinical response to treatment with anti-TNF…Abstract Number: 2676 • 2015 ACR/ARHP Annual Meeting
Is It Useful to Determine All Rheumatoid Factors Isotypes to Enhance Rheumatoid Arthritis Detection? a Clinical Laboratory Perspective
Background/Purpose: Rheumatoid arthritis (RA) diagnosis includes determination of autoantibodies and, their presence can represents 33% (2/6) to 50% (3/6) of the 2010 ACR/EULAR classification criteria…Abstract Number: 584 • 2015 ACR/ARHP Annual Meeting
Positivity for Rheumatoid Factor Is Associated with a Better Short-Term Response and Long-Term Drug Retention of Abatacept: Results from Consecutive 508 Patients with Rheumatoid Arthritis in a Japanese Multicenter Registry
Background/Purpose: Abatacept (ABT) is a biologic drug and has been available for rheumatoid arthritis (RA) patients since 2010 in Japan. There have still been few…Abstract Number: 2021 • 2014 ACR/ARHP Annual Meeting
The Association Between Rheumatoid Factor and Cardiovascular Disease in Healthy Adults
Background/Purpose Rheumatoid arthritis (RA) has been shown to be a risk factor for cardiovascular disease (CVD). Both elevated rheumatoid factor (RF) and anti-citrullinated protein antibodies…Abstract Number: 1560 • 2014 ACR/ARHP Annual Meeting
Rheumatoid Factor Status Is a Predictor of Osteoporosis in Patients with Psoriatic Arthritis
Background/Purpose Osteoporosis is an important comorbidity in patients with rheumatic diseases, but risk factors for osteoporosis in Psoriatic Arthritis (PsA) patients have not been explored. …Abstract Number: 1404 • 2014 ACR/ARHP Annual Meeting
Presence and Significance of Anti-CCP Antibody in Patients with Interstitial Lung Disease with and without Clinically Apparent Rheumatoid Arthritis
Background/Purpose: Interstitial lung disease (ILD) can be idiopathic or associated with underlying etiologies including rheumatoid arthritis (RA). The purpose of this study is to determine…Abstract Number: 1054 • 2014 ACR/ARHP Annual Meeting
Rheumatoid Factor, Not ACPA, Is Associated with Disease Activity in Rheumatoid Arthritis
Background/Purpose To investigate the associations of rheumatoid factor (RF) and autoantibodies against citrullinated proteins (ACPA) with rheumatoid arthritis (RA) disease activity.Methods We analyzed the association…Abstract Number: 453 • 2014 ACR/ARHP Annual Meeting
In a Periodontal Disease Cohort without RA, Indeterminate or Low-Positive Anti-CCP-2 Antibodies Are Associated with Multiple Distinct ACPA
Background/Purpose: Periodontal disease (PD) and RA share the risk factors HLA DR B1 shared epitope (SE) and tobacco exposure (TE). PD may represent a risk…Abstract Number: 408 • 2014 ACR/ARHP Annual Meeting
14-3-3η Auto-Antibody Positivity Informs Better Clinical Outcomes in RA
Background/Purpose We have previously reported pilot data that patients who are only positive for 14-3-3η auto-antibodies (AAb) and negative for the 14-3-3η protein have a…Abstract Number: 407 • 2014 ACR/ARHP Annual Meeting
Serum 14-3-3η Protein Supplements Traditional Rheumatoid Arthritis Biomarkers
Background/Purpose: The 14-3-3 family of chaperonin proteins consists of 7 isomers. The tissue distribution of the 14-3-3η (eta) isoform is limited to synovial tissue and…Abstract Number: 362 • 2014 ACR/ARHP Annual Meeting
14-3-3η Early RA Biomarkers: Does Seronegative RA Exist?
Background/Purpose RF and ACPA are used for early diagnosis and in prediction models for the risk of RA development in arthralgia patients. There remains a…Abstract Number: 360 • 2014 ACR/ARHP Annual Meeting
88% of Recent Onset Polyarthritis Patients Are Positive for 14-3-3η Markers and 14-3-3η Auto-Antibodies Inform a Favourable Prognosis
Background/Purpose The 14-3-3η protein has been described as a mechanistic marker that is detectable in serum during the very early stages of RA development. A…Abstract Number: 372 • 2014 ACR/ARHP Annual Meeting
Diagnostic Accuracy and Associated Costs of Rheumatoid Factor Testing in Primary Care: A Population-Based Cohort Study in Spain
Background/Purpose: To assess the sensitivity, specificity, and predictive values of rheumatoid factor (RF) as a test for rheumatoid arthritis (RA) in primary care, and to…Abstract Number: 183 • 2013 ACR/ARHP Annual Meeting
The Performance Of a Point Of Care Test For Detection Of Anti-Mutated Citrullinated Vimentin and Rheumatoid Factor In Early Rheumatoid Arthritis
Background/Purpose: Besides rheumatoid factor (RF), anti-cyclic citrullinated peptide antibody (ACPA), a newer serologic marker, was added to the new American College of Rheumatology (ACR)/European League…