Abstract Number: 1005 • ACR Convergence 2025
CD49a Contributes to Binding and Survival of Synovial Resident Memory T cells
Background/Purpose: Rheumatoid arthritis (RA) is a systemic autoimmune disease featured with recurrent inflammation in the same joints, a characteristic termed joint-specific memory. We previously demonstrated…Abstract Number: 0980 • ACR Convergence 2025
Expansion of Viral-Reactive CD8+ T cell Repertoire Stratified by Pathotype in New-onset ACPA+ Rheumatoid Arthritis
Background/Purpose: Development of Rheumatoid Arthritis (RA) is strongly associated with specific HLA-DRB1 genotypes and the HLA-DR antigen binding groove, the shared epitope. HLA-B*08 also increases…Abstract Number: 0471 • ACR Convergence 2025
An Open-label, Randomized, Controlled Phase 1/2 Study to Assess the Safety and Efficacy of KYV-101 Anti-CD19 CAR-T Cell Therapy in Active and Difficult-to-treat ACPA positive Rheumatoid Arthritis: Preliminary Results of the COMPARE Trial
Background/Purpose: Rheumatoid Arthritis (RA) is a chronic autoimmune disease characterized by autoreactive B cells that produce anti-citrullinated protein antibodies (ACPA), contributing to sustained synovial inflammation…Abstract Number: 2303 • ACR Convergence 2025
Metabolic impact of low dose IL‐2 therapy for primary Sjögren’s Disease in a double‐blind, randomized clinical trial
Background/Purpose: Low-dose interleukin 2 (Ld-IL2) is increasingly being explored as an immune-modulating treatment for autoimmune diseases which mainly affect T cell subsets. This study investigates…Abstract Number: 1004 • ACR Convergence 2025
Single-Cell Analysis Reveals Tissue Resident Memory T Cells Heterogeneity in the Joint
Background/Purpose: Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by joint-specific memory, the phenomenon in which arthritis repeatedly flares in the same joints. We…Abstract Number: 0979 • ACR Convergence 2025
IL-23 upregulates IFN-γ secretion in Th17.1, but not in Th17 or classical Th1 cells
Background/Purpose: Interleukin-23 (IL-23) is a key cytokine in the pathogenesis of psoriatic diseases, as demonstrated by the clinical success of IL-23-targeted therapies. Monocytes are a…Abstract Number: 0273 • ACR Convergence 2025
Effector CD8+ T cells and PD-1hi CXCL13hi CD4+ T cells contribute to recurrent immune checkpoint inhibitor mediated inflammatory arthritis
Background/Purpose: Immune checkpoint inhibitor (ICI) therapy is associated with life- and/or organ-threatening immune-related adverse events, including inflammatory arthritis (ICI-IA). However, the mechanisms behind ICI-IA, especially…Abstract Number: 2293 • ACR Convergence 2025
CLN-978, a CD19 x CD3-Directed T Cell Engager, Leads to Rapid and Deep B Cell Depletion In Vitro and In Vivo, Supporting Clinical Development Across Multiple Autoimmune Diseases
Background/Purpose: Treatments depleting CD19-expressing B cells have shown benefit in a range of autoimmune diseases. T cell engagers (TCE) offer off-the-shelf convenience, the predictable pharmacokinetic/pharmacodynamic…Abstract Number: 1001 • ACR Convergence 2025
LBL-057, a Novel ADCC Enhanced PD-1 Agonist VHH-Fc Antibody
Background/Purpose: Programmed cell death protein 1 (PD-1) is expressed on activated T cells and serves as a key co-inhibitory checkpoint molecule in immune regulation. Aberrant…Abstract Number: 0950 • ACR Convergence 2025
Ep300-Catalyzed Rad50 Lactylation Compromises Genomic Stability and Drives CD4+T cells Cell Senescence in SLE
Background/Purpose: Senescent CD4+ T cells are increasingly implicated in systemic lupus erythematosus (SLE) pathogenesis. While metabolic reprogramming in lupus T cells enhances glycolysis and lactate…Abstract Number: 0110 • ACR Convergence 2025
SKG Mice Develop CD4⁺ T Cell–Driven Psoriasis and Enable Study of Endogenous Antigen-Specific Responses
Background/Purpose: Psoriasis (Pso) and psoriatic arthritis (PsA) are chronic immune-mediated diseases affecting millions, yet early immunologic triggers remain poorly defined. Therapies targeting TNFα, IL-17, and…Abstract Number: 2277 • ACR Convergence 2025
Immunophenotyping of peripheral blood mononuclear cells reveals potential cellular biomarkers of disease in rheumatoid arthritis
Background/Purpose: Emerging cell-based therapies for rheumatoid arthritis (RA) target the underlying immunologic activity of disease. Objective biomarkers to-date are downstream sequelae of RA immunologic drivers.…Abstract Number: 1000 • ACR Convergence 2025
A Deep-Learning Based Approach Uncovers Novel Mediators of Micro-RNA Restraint of Type-2 Immunity
Background/Purpose: MicroRNAs, such as miR-24 and miR-27, co-expressed within the Mirc11 and Mirc22 clusters, orchestrate a regulatory network critical to Th2 cell differentiation and cytokine…Abstract Number: 0948 • ACR Convergence 2025
Presentation of Apoptotic Cell-Derived Autoantigens in Systemic Autoimmune Disease
Background/Purpose: Systemic lupus erythematosus is a chronic, multisystem autoimmune disease characterized by the dysregulated clearance of dying cells, which results in the release of damage-associated…Abstract Number: 0101 • ACR Convergence 2025
Enrichment of putative bacteria-reactive gut-derived IL-17+ tissue resident memory helper T cells in arthritic ankles in the SKG mouse model of spondyloarthritis
Background/Purpose: In spondyloarthropathy (SpA), arthritis is often associated with gut inflammation. The strong genetic association with HLA-B27 implicates involvement of T cells, but how gut…
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