Abstract Number: 1064 • ACR Convergence 2020
Anti-SMN Autoantibodies Are Associated with Systemic Sclerosis Small Bowel Involvement in anti-U1RNP Positive Autoimmune Myositis
Background/Purpose: The survival of motor neuron (SMN)/gemin proteins are components of a multifunctional protein complex that plays an essential role in RNA metabolism. SMN is…Abstract Number: 1415 • ACR Convergence 2020
Murine Roseolovirus Induces Autoimmune Disease and Development of Autoreactive T Cells and Autoantibodies
Background/Purpose: Murine roseolovirus (MRV) is a recently sequenced beta-herpesvirus that is a natural murine pathogen and is genetically highly related to HHV6 and HHV7. The…Abstract Number: 1818 • ACR Convergence 2020
IgG and IgA Autoantibodies Against L1 ORF1p Expressed in Granulocytes Correlate with Granulocyte Consumption and Disease Activity in Pediatric Systemic Lupus Erythematosus
Background/Purpose: To quantitate autoantibodies against the RNA-binding p40 (ORF1p) protein encoded by the L1 retroelement, expression of p40 itself, and markers of neutrophil death in…Abstract Number: 0761 • ACR Convergence 2020
Anti-Peptidylarginine Deaminase Antibodies in the Individuals with Arthralgia at Risk of Progression to Rheumatoid Arthritis
Background/Purpose: In order to identify the individuals at risk of imminent progression to rheumatoid arthritis (RA), EULAR has established a definition of clinically suspect arthralgia…Abstract Number: 1068 • ACR Convergence 2020
Efficacy of Early Initiation of Plasma Exchange Therapy for a Patient with Anti-MDA5 Autoantibody-Positive Dermatomyositis Developing Refractory Rapidly Progressive Interstitial Lung Disease
Background/Purpose: Dermatomyositis (DM), and particularly the subtype clinically amyopathic DM (CADM), is often associated with fatal rapidly progressive interstitial lung disease (RP-ILD) when anti-melanoma differentiation-associated…Abstract Number: 1445 • ACR Convergence 2020
Citrulline Reactive B Cells Are Present in the Lungs of Risk RA and Early Untreated RA
Background/Purpose: Structural changes, increased tissue citrullination, signs of local inflammation and anti-citrullinated protein autoantibodies (ACPA) are present in the pulmonary compartment of early untreated seropositive…Abstract Number: 1830 • ACR Convergence 2020
Adverse Drug Reactions to Trimethoprim-sulfamethoxazole as a Prophylactic Agent Against Pneumocystis Pneumonia in Patients with Systemic Lupus Erythematosus: anti-Sm Antibody as a Possible Risk Factor
Background/Purpose: Pneumocystis pneumonia (PCP) is a life-threatening infection in immunocompromised patients, including those with connective tissue diseases (CTDs), treated with corticosteroids or immunosuppressive agents. Trimethoprim-sulfamethoxazole…Abstract Number: 0767 • ACR Convergence 2020
Anti-acetylated Protein Antibodies in Rheumatoid Arthritis (RA): Clues for the Starting Point of Autoantibody Responses in RA
Background/Purpose: Rheumatoid arthritis (RA) is characterized by autoantibodies such as rheumatoid factor (RF) and anti-modified protein autoantibodies (AMPAs) like anti-citrullinated protein antibodies (ACPA) and anti-carbamylated…Abstract Number: 1073 • ACR Convergence 2020
Anti Melanoma Differentiation-associated Protein Gene 5 Antibody Titer Monitoring Is a Useful Indicator for Early Detection of Recurrence in Rapidly Progressive Interstitial Lung Disease Associated with Dermatomyositis
Background/Purpose: Anti melanoma differentiation-associated gene 5 (MDA5) antibody (Ab) positive dermatomyositis (DM) often complicates rapidly progressive interstitial lung disease (RP-ILD), which shows fatal prognosis at…Abstract Number: 1447 • ACR Convergence 2020
Vitamin D Deficiency Enhances Antiphospholipid Antibody-Mediated Thrombosis in a Passive Immunization Mouse Model
Background/Purpose: Abnormal vitamin D levels occur frequently in antiphospholipid (APS) patients and are correlated with thrombosis. It remains unclear however if vitamin D deficiency observed…Abstract Number: 1848 • ACR Convergence 2020
Identification of Native and Citrullinated Autoantibodies to Psoriasis Related-antigen PsoP27 in Synovial Fluids of Patients with Psoriatic Arthritis
Background/Purpose: Psoriatic arthritis (PsA) is an inflammatory joint disease with no serological biomarkers, hence diagnosis is based on clinical evaluation alone. PsA is closely associated…Abstract Number: 0769 • ACR Convergence 2020
Does the Autoantibody-Response Mature Between Presentation with Arthralgia and Development of Rheumatoid Arthritis? – a Longitudinal Serological Study
Background/Purpose: Auto-antibodies in rheumatoid arthritis (RA) are often present years before disease onset but their mere presence does not seem enough to induce RA. Several…Abstract Number: 1075 • ACR Convergence 2020
Diagnostic Utility of Myositis Antibodies in HyperCKemia: A University Affiliated Single Center Retrospective Study
Background/Purpose: Myositis specific and associated autoantibodies are now being used more frequently in the diagnosis of idiopathic inflammatory myositis. However there is a no study…Abstract Number: 1456 • ACR Convergence 2020
Exploring the RA Bone Marrow Niche by Single-cell Technology to Identify Long Lived ACPA+ Plasma Cells
Background/Purpose: Autoantibodies is a hallmark of rheumatoid arthritis, placing the adaptive immune system and B-cells centrally in the pathogenesis. The anti-citrullinated autoantibodies (ACPA) detected in…Abstract Number: 1910 • ACR Convergence 2020
Integrated Molecular Analysis of Systemic Sclerosis Skin and Blood Highlights Significant Differences Between Major Autoantibody Subgroups
Background/Purpose: The major antinuclear autoantibodies of systemic sclerosis (SSc) associate with different skin score trajectories and risk of internal organ manifestations. To elucidate molecular differences…
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