Abstract Number: 0003 • ACR Convergence 2023
Expanded Extrafollicular B Cells Were Improved by RTX in IgG4-related Disease
Background/Purpose: IgG4-related disease (IgG4-RD) is an immune-mediated disease characterized by fibrotic masses with expansion of IgG4-producing plasma cell in multiple organs such as pancreas, lacrimal…Abstract Number: 1318 • ACR Convergence 2023
Abatacept Modulates Both Global and Citrulline Specific T Cell Signatures: Results from Inhibition of Co-Simulation in Rheumatoid Arthritis Phase IV Trial
Background/Purpose: Clinical outcomes in Rheumatoid arthritis (RA) have improved with the introduction of biological and targeted synthetic disease modifying anti-rheumatic drugs (b & tsDMARDs). Abatacept…Abstract Number: 0013 • ACR Convergence 2023
A Proliferating T Cell Signature in Blood Is Associated with Response to JAK Inhibitor Therapy in Rheumatoid Arthritis Patients
Background/Purpose: There are multiple DMARDs available to treat rheumatoid arthritis (RA) yet there are no widely used predictive biomarkers to guide selection of a specific…Abstract Number: 1320 • ACR Convergence 2023
Evaluation of Circulating Levels of Helper T and Innate Lymphoid Cells Subsets in a Cohort of bDMARDs-naïve Patients with Rheumatoid Arthritis Treated with Abatacept
Background/Purpose: Helper T cells (Th) are key players in rheumatoid arthritis (RA). Th17 and Th17.1 have a prominent function in the early phase of inflammation,…Abstract Number: 0036 • ACR Convergence 2023
Using Genotyping and Chromatin Data in CD4+ T Cells to Nominate Causal Variants on JIA Risk Haplotypes and to Identify Their Target Genes
Background/Purpose: GWAS have identified multiple genetic regions that confer risk for juvenile idiopathic arthritis (JIA).However, identifying the single nucleotide polymorphisms (SNPs) that drive risk has…Abstract Number: 1370 • ACR Convergence 2023
Synthetic Glabridin Derivatives Improves Sjogren’s Syndrome by Inducing Salivary Secretion and Salivary Gland Regeneration
Background/Purpose: Sjogren’s syndrome (SS) is a systemic autoimmune disease characterized by infiltration of lymphocytes into the exocrine gland resulting in progressive lacrimal and salivary estruction…Abstract Number: 0070 • ACR Convergence 2023
Activation of Joint CD8+ TRM Localize Autoantibody Mediated Arthritis
Background/Purpose: In humans, upper respiratory infections have been associated with onset of Rheumatoid Arthritis. In mice, following viral infection, CD8+ T cells take up residence…Abstract Number: 1491 • ACR Convergence 2023
Targeting the Mevalonate Pathway-dependent Protein Geranylgeranylation to Restrict Follicular Helper T Cell Differentiation for the Treatment of Systemic Lupus Erythematosus
Background/Purpose: Recent research focusing on follicular helper T (Tfh) cells emphasizes its importance in autoimmune diseases, such as systemic lupus erythematosus (SLE). However, the mechanisms…Abstract Number: 0075 • ACR Convergence 2023
Proteomic, Transcriptomic, and T-Cell Receptor (TCR) Profiling of Synovial Integrin-Expressing (InEx) T Cells in Axial Spondyloarthritis (axSpA)
Background/Purpose: The strong clinical and genetic associations between axial spondyloarthritis (axSpA) and inflammatory bowel disease (IBD) underscore the pathogenic role of the gut-joint axis. The…Abstract Number: 1496 • ACR Convergence 2023
Clinical Safety and Efficacy Results from EQUALISE Type B: A Phase 1b Open-label Clinical Study of Itolizumab, a Novel anti-CD6 Therapy, in Subjects with Active Proliferative Lupus Nephritis
Background/Purpose: Itolizumab is a first-in-class, non-depleting, monoclonal antibody against the co-stimulatory receptor CD6 that blocks its interaction with ALCAM, to inhibit Teff cell activity and…Abstract Number: 0077 • ACR Convergence 2023
Circulating CD4+CXCR5-PD-1hiICOS+ Cells Are Elevated in Patients with Newly Diagnosed Giant Cell Arteritis and Associate with the Clinical Outcome
Background/Purpose: Giant cell arteritis (GCA) is a large-vessel granulomatous vasculitis. It is characterized by the presence at the inflamed arterial walls, of activated PD-1+ CD4…Abstract Number: 1778 • ACR Convergence 2023
Role of GITR/GITRL Interaction in Modulating T Helper 9, T Helper 17 and T Regulatory Response in Psoriatic Arthritis
Background/Purpose: The inflammatory process characterizing Psoriatic Arthritis (PsA) is mainly driven by interleukin (IL)-23/IL-17 axis and IL-9 overexpression, in presence of T helper (Th)17 and…Abstract Number: 0087 • ACR Convergence 2023
Immune Checkpoint Inhibitor Therapy Expands an Activated, anti-PD-1 Drug-bound CD8 T Cell Population That Is Clonally Linked in Blood and Synovial Fluid of ICI-arthritis Patients
Background/Purpose: Immune checkpoint inhibitor (ICI) therapies used to treat cancer can induce immune related Adverse events (irAEs) such as ICI-induced arthritis (ICI-arthritis). We have previously…Abstract Number: 1790 • ACR Convergence 2023
Expansion of CD8+ TCRVβ9+ T Cells in the Peripheral Blood of HLA-B27+ Patients with Axial Spondyloarthritis
Background/Purpose: Studies in human HLA-B27 transgenic rats largely discredited the idea that CD8+ T cells are key drivers of disease in axial spondyloarthritis (axSpA). However,…Abstract Number: 0091 • ACR Convergence 2023
Impaired X-Chromosome Inactivation Maintenance in T Cells Is Associated with Features of Reduced Disease Severity in a Toll-Like Receptor 7-Driven Model of Systemic Autoimmunity
Background/Purpose: Many systemic autoimmune rheumatic diseases, including systemic lupus erythematosus (SLE), Sjögren's syndrome, and systemic sclerosis are highly female-biased. Although these diseases are more prevalent…