Abstract Number: 2432 • ACR Convergence 2023
Wnt Signaling Drives Pathogenic Stromal Inflammation in Inflammatory Arthritis
Background/Purpose: Synovial fibroblasts are a promising therapeutic target in rheumatoid arthritis (RA) where they can adopt inflammatory or destructive phenotypes and directly promote bone and…Abstract Number: 1750 • ACR Convergence 2023
Dysregulated NUB1 and Neddylation Enhances Rheumatoid Arthritis Fibroblast-Like Synoviocyte Inflammatory Responses
Background/Purpose: Fibroblast-like synoviocytes (FLS) contribute to the pathogenesis of rheumatoid arthritis (RA), especially cartilage damage and cytokine production. These cells display an aggressive phenotype in…Abstract Number: 2438 • ACR Convergence 2023
Synovial Tissue Single-Cell Analysis Demonstrates Differential Fibroblast Populations Between RA and PsA Which Display Distinct Function
Background/Purpose: Synovial fibroblasts (FLS) are key contributors to joint inflammation and damage in patients with Rheumatoid (RA) and Psoriatic Arthritis (PsA). Recent studies have identified…Abstract Number: 1752 • ACR Convergence 2023
Fibroblast Expression of Neurotransmitter Receptor HTR2A Associates with Inflammation in Rheumatoid Arthritis Joint
Background/Purpose: Peripheral neuroimmune crosstalk plays a crucial role in the inflammatory process and bone metabolism in joint. Serotonin receptor HTR2A was reported to be expressed…Abstract Number: 2440 • ACR Convergence 2023
Synovial Shaping of Skin-derived Migrating Immune Cells Determines Initiation of Inflammation in Psoriatic Arthritis
Background/Purpose: Around 30% of the patients with psoriasis (PsO) develop psoriatic arthritis (PsA) overtime, suggesting the existence of a disease mediated skin-joint crosstalk. To date,…Abstract Number: 081 • 2023 Pediatric Rheumatology Symposium
Predicting Extension in Juvenile Idiopathic Arthritis
Background/Purpose: Juvenile idiopathic arthritis (JIA) is the most common rheumatic disease of childhood and carries a risk of permanent joint damage and disability [1]. In…Abstract Number: 0610 • ACR Convergence 2022
Patient-derived Organoids Reveal Transcriptional Regulation of Synovial Lining Fibroblast Differentiation
Background/Purpose: Synovial lining fibroblasts secrete factors into the joint cavity that promote joint lubrication1. In inflammatory arthritis, sublining fibroblasts undergo marked expansion while lining fibroblasts…Abstract Number: 0613 • ACR Convergence 2022
The Subsets of Synovial Fluid Derived Fibroblasts in Clinical Features of Rheumatoid Arthritis
Background/Purpose: Synovial fibroblasts in rheumatoid arthritis (RA) secrete inflammatory cytokines and chemokines, invade and degrade cartilage, and make pannus formation. Synovial fibroblasts characterized by the…Abstract Number: 0029 • ACR Convergence 2022
Characterizing the Anti-fibrotic Effect of Tofacitinib in TGF-β Stimulated Fibroblast-like Synoviocytes from Patients with OA
Background/Purpose: Many osteoarthritis (OA) patients develop fibrosis of the synovial membrane leading to joint swelling, stiffness, and pain. Synovial fibroblasts activated in the synovial membrane…Abstract Number: 0614 • ACR Convergence 2022
Post-translationally Modified Fibrinogen Activated Macrophages Drive the Expression of Fibrotic Genes in Rheumatoid Arthritis Fibroblast-Like Synoviocytes
Background/Purpose: Cellular interactions between synovial macrophages and human fibroblast-like synoviocytes (HFLS) contribute to articular inflammation and fibrosis in rheumatoid arthritis (RA), leading to subsequent joint…Abstract Number: 0051 • ACR Convergence 2022
Identification of a Transcription Factor That Drives Polarization Toward Tissue-destructive Fibroblasts in Arthritis
Background/Purpose: Fibroblasts exert important homeostatic functions but can also drive disease pathogenesis. In rheumatoid arthritis (RA), synovial fibroblasts (SFs) contribute to the joint destruction by…Abstract Number: 0620 • ACR Convergence 2022
Neovascularization Is Altered by Rheumatoid Arthritis Synovial Fibroblasts and Canstatin in Vitro and in Vivo
Background/Purpose: In the pathogenesis of rheumatoid arthritis (RA), neovascularization is increased in the activated and inflamed synovium. RA synovial fibroblasts (RASF) are key players in…Abstract Number: 0499 • ACR Convergence 2022
Drivers of Heterogeneity in Synovial Fibroblasts in Rheumatoid Arthritis
Background/Purpose: Rheumatoid arthritis (RA) is characterized by hyperplasia of both the synovial lining, which forms the synovial fluid interface, as well as the synovial sublining,…Abstract Number: 0623 • ACR Convergence 2022
Rheumatoid Synovial Fibroblasts Display Imprinted Memory of Their Synovial Endotype Which Can Be Plastically Modulated by B-cells Crosstalk
Background/Purpose: Despite advances in the treatment of Rheumatoid Arthritis (RA), synthetics and biologicals drugs are ineffective in ~40% of patients. The origin of this refractoriness…Abstract Number: 0500 • ACR Convergence 2022
T Cell and Macrophage Synergy Drive Inflammatory Synovial Fibroblasts in Rheumatoid but Not Psoriatic Arthritis
Background/Purpose: Rheumatoid (RA) and psoriatic arthritis (PsA) are common autoimmune diseases of unknown aetiology characterised by complex synovial pathology with a detrimental effect on the…
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