Abstract Number: 2033 • ACR Convergence 2022
Novel Autoantibodies Identified in Seronegative Sjögren’s Disease Using Innovative Whole Peptidome Array Technology
Background/Purpose: SjD disease (SjD) is typically diagnosed by the presence of an anti-SSA antibody or focal lymphocytic sialadenitis in salivary gland tissue. Among SjD patients…Abstract Number: 0450 • ACR Convergence 2022
Incidence of Solid and Hematologic Tumors in Patients with ANCA: A 10-year Retrospective Cohort Study
Background/Purpose: Serum antineutrophil cytoplasmic antibodies (ANCA) are significantly associated with the development of ANCA-associated vasculitides (AAV) but may also be detected in patients with other…Abstract Number: 0795 • ACR Convergence 2022
Post-Acute COVID-19 Sequalae (PACS) with New-onset Rheumatological Complications
Background/Purpose: Post-Acute Sequalae of COVID-19 (PASC), prevalent in ~20-30% of convalescent COVID-19 patients is characterized by new/persistent symptoms after the initial recovery. Certain autoantibodies have…Abstract Number: 1379 • ACR Convergence 2022
Association of HLA Alleles with Specific Auto-antibodies in an Ancestrally Diverse Population of Childhood Systemic Lupus Erythematosus (SLE)
Background/Purpose: Systemic lupus erythematosus (SLE) is an autoimmune disease capable of affecting multiple organ systems. Genetic variants in the Human Leukocyte Antigen (HLA) are associated…Abstract Number: 1714 • ACR Convergence 2022
The Circadian Clock Gene Bmal1 Negatively Regulates Autoantibody Production in SLE
Background/Purpose: Systemic lupus erythematosus (SLE) is a systemic autoimmune disease that affects multiple organs including kidney and skin. While its etiology and pathogenesis are still…Abstract Number: 2043 • ACR Convergence 2022
What Does Isolated Anti-Ro52 Antibody Positivity Mean in Sjögren’s Syndrome?
Background/Purpose: Primary Sjögren's syndrome (pSS) is a systemic autoimmune disease characterized by a triad of dryness, pain and fatigue in affected patients. Its diagnosis is…Abstract Number: 0530 • ACR Convergence 2022
Abatacept Significantly Reduces Subclinical Inflammation During Treatment (6 Months), This Persists After Discontinuation (12 Months), Resulting in a Delay in the Clinical Development of RA in Patients at Risk of RA (The ARIAA Study)
Background/Purpose: Development of the clinical phase of rheumatoid arthritis (RA) is preceded by an autoimmune phase, characterized by the presence of anti-citrullinated protein antibodies (ACPA),…Abstract Number: 0809 • ACR Convergence 2022
Ex Vivo Comparative Immunogenicity Assessment (EVCIA) to Determine Relative Immunogenicity in Chronic Plaque Psoriasis in Participants Receiving Humira® or Undergoing Repeated Switches Between Humira and AVT02
Background/Purpose: A common reason for clinical development failure of biologic medicines is immunogenicity. Immunogenicity is traditionally measured by detecting neutralizing (NAb) anti-drug antibodies (ADA) in…Abstract Number: 1385 • ACR Convergence 2022
Clinical and Serologic Characterization of Juvenile Systemic Sclerosis Overlap Disease
Background/Purpose: Juvenile systemic sclerosis (jSSc) is a systemic fibroinflammatory autoimmune disease characterized by skin fibrosis and multiple extracutaneous manifestations. A proportion of children with jSSc…Abstract Number: 1732 • ACR Convergence 2022
Novel Human Class II MHC Tetramers Detect Rare, Self-Reactive CD4+ T Cells Relevant to Mixed Connective Tissue Disease
Background/Purpose: Nearly all patients with mixed connective tissue disease (MCTD) have IgG autoantibodies (autoAb) specific for U170k, a component of the U1-snNRP spliceosomal complex. A…Abstract Number: 2048 • ACR Convergence 2022
Serology Driven Pulmonary Phenotype Characterization of Sjögren Syndrome-associated Interstitial Lung Disease: A Monocentric Cohort Study
Background/Purpose: Interstitial lung disease (ILD) is a relatively frequent manifestation of Sjögren's Syndrome (pSS), potentially presenting with a wide spectrum of clinical-radiological characteristics. Anti-Ro52 autoantibodies…Abstract Number: 0011 • ACR Convergence 2022
B Cell Subsets Contributing to the Autoreactive Plasma Cell Pool in Lyn-/- Mice
Background/Purpose: Systemic Lupus Erythematosus (SLE) is characterized by autoantibodies (autoAbs) against nucleic acid containing antigens. These antibodies form immune complexes that promote inflammation and cause organ…Abstract Number: 0592 • ACR Convergence 2022
Autoantibodies Targeting Malondialdehyde-modifications Are Potential Mediators of Inflammation and Bone Loss in RA, Acting via Macrophage and Osteoclast Regulatory Pathways
Background/Purpose: Proteins subjected to post-translational modifications, such as citrullination, carbamylation, acetylation, malondialdehyde (MDA) or malondialdehyde/acetaldehyde (MDA/MAA) modification are targeted by autoantibodies in seropositive rheumatoid arthritis…Abstract Number: 0814 • ACR Convergence 2022
Clinical Correlation of Dense Fine Speckled (DFS) Pattern of ANA
Background/Purpose: The clinical significance of Dense Fine Speckled (DFS) pattern Anti-nuclear antibodies (ANA) by indirect immunofluorescence method (IIF) is unclear and has been inversely associated…Abstract Number: 1440 • ACR Convergence 2022
Interrelation of T-cell Cytokines and Autoantibodies in Lupus Nephritis: A Cross-sectional Study
Background/Purpose: To determine if different classes of lupus nephritis (LN) are correlated with specific circulating autoantibodies (autoAbs) and T-helper cell cytokines and other manifestations of…
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