Abstract Number: 0802 • ACR Convergence 2023
Targeting Fibroblasts in Inflammatory Disease Using Engineered T Cells
Background/Purpose: Fibroblast activation protein alpha (FAPa) expressing fibroblasts orchestrate tissue inflammation and damage in rheumatoid arthritis (RA) as well as tissue immunity in primary Sjögren's…Abstract Number: 0909 • ACR Convergence 2023
Rab4A Controls the Depletion of IL-2 in CD4+ T Cells via Enhanced CD38 Expression: Potential Involvement in Proinflammatory Lineage Development in Systemic Lupus Erythematosus
Background/Purpose: HRES-1/Rab4 (Rab4A) is a small GTPase that is overexpressed in SLE patient T cells1,2, mediates the enhanced recycling of CD3 and CD4 cell surface…Abstract Number: 0928 • ACR Convergence 2023
Skewing of B Cell Receptor Repertoire in Unswitched Memory B Cells Is Associated with Disease Activity of Systemic Lupus Erythematosus and Targeted by Belimumab
Background/Purpose: Despite the involvement of B cells in the pathogenesis of immune-mediated diseases, the biological mechanisms underlying their function are poorly understood. To address this…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: 1180 • ACR Convergence 2022
Deficiency and Altered Phenotype of Mucosal-associated Invariant T Cells in Systemic Sclerosis
Background/Purpose: Systemic sclerosis (SSc) is an autoimmune disease characterized by fibrosis of the skin and internal organs such as the lung. Mucosal-associated invariant T (MAIT)…Abstract Number: 1705 • ACR Convergence 2022
Peptidoglycan Amplifies CD4+ T Cell Activation by MHCII+ Fibroblast-like Synoviocytes in an in Vitro Model of Lyme Arthritis
Background/Purpose: Lyme arthritis (LA), caused by infection with Borrelia burgdorferi (Bb), is characterized by proliferative synovitis accompanied by dysregulated autoimmune Th1 responses. Fibroblast-like synoviocytes (FLS)…Abstract Number: 1739 • ACR Convergence 2022
Single-Cell Characterization of the TCR Repertoire Across Tissue and Blood in Rheumatoid Arthritis
Background/Purpose: In rheumatoid arthritis (RA), T cells represent a large proportion of the immune population present in inflamed joint synovium, and subsets of both CD4+…Abstract Number: 1743 • ACR Convergence 2022
Identification of Immune Cell Types in the Peripheral Blood of Rheumatoid Arthritis Patients Associated with Susceptibility and Response to Treatment
Background/Purpose: Rheumatoid arthritis (RA) is a complex immune mediated disease that affects 1% of the population. Even with modern therapeutic strategies, many patients with RA…Abstract Number: 1744 • ACR Convergence 2022
Immune Responses to mRNA Vaccines Against SARS-CoV-2 in Patients with Immune-mediated Inflammatory Rheumatic Diseases
Background/Purpose: Patients with immune-mediated rheumatic diseases (IMRDs) are commonly treated with immunosuppressors and prone to infections. Recently introduced mRNA SARS-CoV-2 vaccines have demonstrated extraordinary efficacy…Abstract Number: 1747 • ACR Convergence 2022
Changes in the Number and Phenotype of Citrullinated-Antigen Specific T Cells Correlate with Treatment Outcome in Seropositive Rheumatoid Arthritis
Background/Purpose: In Rheumatoid arthritis (RA) citrullinated antigen reactive T cells are key drivers of disease, but knowledge about their relative number and phenotype remains limited.…
ACR Meeting Abstracts