Abstract Number: 0010 • ACR Convergence 2023
A Potential Mechanism for Major Adverse Cardiac Events Associated with JAK Inhibitors: JAK Inhibitor Withdrawal Causes Urokinase Release by Primed STAT Signaling
Background/Purpose: Sjögren’s Disease (SjD) has high glandular IFNg levels, associated with disease activity and lymphoma risk. We showed that IFNg-stimulated minor salivary gland (SG)-mesenchymal stromal…Abstract Number: 0092 • ACR Convergence 2023
Multi-omics Immune Profiling of Cytotoxic T Cells from Ankylosing Spondylitis Patients Identified a Subset of Clonally Exapnded CTLs That Evade Immune Exhaustion
Background/Purpose: Sustained chronic inflammation in the spine and of the sacroiliac joints is a key feature in Ankylosing Spondylitis (AS). A central role of CTL…Abstract Number: 0838 • ACR Convergence 2023
Infusion of Etanercept into the Peripheral Lymphatics Significantly Reduces Disease Activity in Rheumatoid Arthritis Patients with Inadequate Response to Subcutaneous Injections
Background/Purpose: The lymphatic system serves as a conduit for transporting immune cells and inflammatory molecules present in arthritic joints to lymph nodes (LN), playing a…Abstract Number: 1637 • ACR Convergence 2023
IgG-Fc-N-Sialylation and -Galactosylation in Primary Sjögren’s Syndrome (Pss) in Its Potential as Marker of Disease State and Disease Activity
Background/Purpose: Loss of galactose and sialic acid structures attached to the IgG-Fc-fragment switches the antibody effector function from anti-inflammatory to pro-inflammatory1. This study investigated the…Abstract Number: 2184 • ACR Convergence 2023
Development of Salivary Gland Organoids to Study Sjögren Syndrome
Background/Purpose: Sjögren disease (Sjo) is an autoimmune disease characterized by the infiltration of exocrine glands by immune cells, especially salivary glands (SG). SG epithelial cells…Abstract Number: 0022 • ACR Convergence 2023
Validation of a Transcriptomic-Based Machine Learning Model to Establish the Endotype of SLE Patients
Background/Purpose: We previously developed a novel machine learning (ML) pipeline leveraging analysis of gene expression data to identify subsets of SLE patients with common molecular…Abstract Number: 0094 • ACR Convergence 2023
Granzyme K Elicits a New Pathway for Complement Activation in RA Synovium
Background/Purpose: T cells are major drivers of rheumatoid arthritis (RA) pathogenesis. While most research has focused on CD4+ T cells, we have found that CD8+…Abstract Number: 0900 • ACR Convergence 2023
Complement Deposition on Extracellular Mitochondria Induces Platelet Activation in Vitro
Background/Purpose: Mitochondria are extruded upon cell death and platelet activation, being elevated in several inflammatory conditions, including systemic lupus erythematosus (SLE). Mitochondria are immunogenic, with…Abstract Number: 1651 • ACR Convergence 2023
Beneficial Effect of Temporary Methotrexate Interruption on B and T Cell Responses upon SARSCoV-2 Vaccination in Patients with Rheumatoid Arthritis or Psoriatic Arthritis
Background/Purpose: Previous published works have raised the concern that methotrexate (MTX) might have a negative effect on immune response upon vaccine administration. At the beginning…Abstract Number: 2191 • ACR Convergence 2023
Efficacy of anti-CD38 Treatment with Daratumumab in Two Cases of Refractory and Severe Sjogren Disease
Background/Purpose: Sjögren's disease (Sjo) is a systemic autoimmune disease. In 80% of the patients, Sjo is responsible for dryness, fatigue, and joint pain. In 10%…Abstract Number: 0032 • ACR Convergence 2023
Quantification of the Escape from X Chromosome Inactivation with the Million Cell-scale Human Blood Single-cell RNA-seq Datasets Reveals Heterogeneity of Escape Across Immune Cells and Escape in the Autoimmune Disease Conditions
Background/Purpose: Understanding the differences in the immune system between sexes is important to elucidate the pathogenesis of autoimmune diseases which are more prevalent in females…Abstract Number: 0105 • ACR Convergence 2023
Characterization of B-Cell Subsets in Antiphospholipid Syndrome Patients: Implications for Disease Phenotype and Pathogenesis
Background/Purpose: Primary antiphospholipid syndrome (PAPS) is an autoimmune disorder characterized by the presence of pathogenic autoantibodies. The key immune cell subsets change in PAPS patients…Abstract Number: 0906 • ACR Convergence 2023
Paired Autoantibody Specificities from Serum and Immune Complexes Do Not Fully Explain the Circulating Immune Complex Load in Systemic Lupus Erythematosus: A Study on 530 Patients
Background/Purpose: Systemic Lupus Erythematosus (SLE) is a prototypical autoimmune disease where autoantibody production and immune complex (IC) formation play a key role. Which antibodies contribute…Abstract Number: 1676 • ACR Convergence 2023
Tofacitinib Accelerates in Vitro Clot Formation and Delays Clot Lysis in Rheumatoid Arthritis Blood by Enhancement of Macrophage TLR4 Mediated Cytokine Responses- a New Angle on Thrombosis with JAKi in Rheumatology
Background/Purpose: Rheumatoid Arthritis (RA) patients treated with Janus Kinase inhibitors (JAKi) have reportedly higher venous thromboembolism (VTE) risk and atherosclerotic-related complications including myocardial infarction (1).Although…Abstract Number: 2242 • ACR Convergence 2023
Irrespective of the Number of Erosions at Baseline, Patients with Psoriatic Arthritis Treated with Ixekizumab Show Improved Clinical Outcomes
Background/Purpose: Psoriatic arthritis (PsA) is a chronic and progressive disease characterized by high rates of early joint erosions, which have been associated with impaired quality…
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