Abstract Number: 2058 • ACR Convergence 2025
Organ-specific disease activity and serological patterns in idiopathic inflammatory myopathies: A descriptive study in a Hispanic cohort
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are rare diseases that involve chronic muscle inflammation, weakness, and pain. Autoantibodies in IIM play a central role in disease…Abstract Number: 2422 • ACR Convergence 2025
Cluster Analysis of Autoantibodies in Patients with Systemic Lupus Erythematosus
Background/Purpose: Systemic lupus erythematosus (SLE) is a heterogeneous autoimmune disorder characterized by multi-organ involvement and variable clinical manifestations. Recurrent clinical patterns suggest distinct phenotypes, where…Abstract Number: 0076 • ACR Convergence 2025
Antibodies to malondialdehyde-acetaldehyde are associated with circulating inflammatory mediators during the preclinical stages of rheumatoid arthritis
Background/Purpose: Circulating concentrations of anti-malondialdehyde-acetaldehyde (MAA) antibodies distinguish patients with RA and are detectable years prior to arthritis onset. Recent data demonstrate that anti-MAA antibodies…Abstract Number: 0402 • ACR Convergence 2025
Risk Factors for Anti-Adalimumab Antibody Development in Pediatric Patients Using Adalimumab for Rheumatic Disease and Associated Conditions
Background/Purpose: Adalimumab is a monoclonal antibody against TNF-α that is commonly used to treat JIA, hidradenitis suppurativa (HS), chronic uveitis, sarcoidosis, and chronic nonbacterial osteomyelitis…Abstract Number: 0626 • ACR Convergence 2025
Evaluation of Novel Anti-ATP1A1 Autoantibodies by ELISA to Predict Cardiac Neonatal Lupus (Cardiac-NL)
Background/Purpose: For childbearing women with SLE and other autoimmune diseases, the nearly invariant association of cardiac-NL with maternal SSA/Ro52/60kD autoantibodies supports the necessity of these…Abstract Number: 1168 • ACR Convergence 2025
Interstitial Lung Disease-Associated Antibody Testing and Positivity Rates in Systemic Autoimmune Rheumatic Diseases from a National Reference Laboratory
Background/Purpose: Interstitial lung disease (ILD) is frequent in systemic autoimmune rheumatic diseases (SARDs) and is associated with poor prognosis. The prevalence of ILD is approximately…Abstract Number: 1588 • ACR Convergence 2025
Prevalence Of Oral Manifestations And Their Association With Clinical And Serological Profile In Systemic Sclerosis Patients- An Indian Study
Background/Purpose: Systemic sclerosis (SSC) is a chronic, multisystem autoimmune disease characterized by immune dysfunction, microangiopathy, and tissue remodelling. Orofacial manifestations, including xerostomia, microstomia, tooth decay,…Abstract Number: 2059 • ACR Convergence 2025
Autoantibody Patterns in Myositis Immunoblot Testing: A Retrospective Study inInflammatory Myopathies and Connective Tissue Diseases (2017–2023)
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are a heterogeneous group of autoimmune diseases characterized by muscle inflammation and systemic involvement, often associated with specific autoantibodies. Immunoblot…Abstract Number: 2432 • ACR Convergence 2025
Duffy Null Genotype and Autoantibodies Synergistically Contribute to Severe Leukopenia in Systemic Lupus Erythematosus
Background/Purpose: Systemic lupus erythematosus (SLE) is a common, complex inflammatory autoimmune disease in which dysregulation of both innate and adaptive immune responses has been implicated…Abstract Number: L11 • ACR Convergence 2024
Rheumatology Diagnostics Utilizing Artificial Intelligence (ANA Reader©) for ANA Pattern Identification and Titer Quantification
Background/Purpose: Antinuclear antibody (ANA) immunofluorescence (IFA) patterns and titers are a key part of rheumatology diagnostics, however, there is considerable intra- and inter-laboratory variability with…Abstract Number: 0048 • ACR Convergence 2024
Role of the Chemokine CCL22 in Rheumatoid Arthritis Development
Background/Purpose: Understanding alterations of the immune homeostasis in individuals at risk of rheumatoid arthritis (RA) can be a key to achieve earlier diagnosis and prevention.…Abstract Number: 0343 • ACR Convergence 2024
An Interlaboratory Variability Study of Detection Methods for Myositis-Specific and Myositis-Associated Autoantibodies in Sera from Patients with Idiopathic Inflammatory Myopathies
Background/Purpose: In idiopathic inflammatory myopathy (IIM) spectrum diseases, myositis-specific and myositis-associated autoantibodies (MSAs/MAAs) are key markers of disease subtype and prognosis and are considered routine…Abstract Number: 0808 • ACR Convergence 2024
Confirmation of Second Trimester Trophoblast Transport of Maternal Anti-SSA/Ro52 and 60kD Autoantibodies in Cardiac Neonatal Lupus: Implications for FcRn Blockade
Background/Purpose: The nearly invariant finding of anti-SSA/Ro52/60kD autoantibodies in pregnancies complicated by cardiac neonatal lupus (cardiac-NL), which manifests as fetal atrioventricular block and endocardial fibroelastosis…Abstract Number: 1298 • ACR Convergence 2024
What Is an ANA and Why Should I Care? Strategies to Increase Understanding of Basic Rheumatologic Labs Within Medical Education
Background/Purpose: A growing availability crisis in Rheumatology requires consideration of steps and best practices that might be employed to meet high demand. Besides increasing the…Abstract Number: 1650 • ACR Convergence 2024
IL-33 Expands Plasma Cells, Disrupts Germinal Centers and Increases Autoantibody Production
Background/Purpose: IL-33 is a pro-inflammatory cytokine that plays a role in asthma, COPD and autoimmune diseases. The role of IL-33 on B cell maturation and…
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