Abstract Number: 1736 • ACR Convergence 2023
The Effect of Resolvin E1 and Resolvin D1 Specialised Pro-resolving Mediators on the Inhibition of Osteoclastogenesis
Background/Purpose: Osteoclasts (OCs) are multinucleated bone-resorbing cells playing a key role in rheumatoid arthritis (RA). Under physiological conditions, OCs are in balance with bone-forming osteoblasts,…Abstract Number: 2149 • ACR Convergence 2023
Biologic IRL201805 Drives Differential Cell-contact and Metabolism Transcriptional Profiles in Monocytes from RA Patients Compared to Healthy Donors
Background/Purpose: IRL201805 is a novel biologic derived from Binding Immunoglobulin Protein (BiP) that has been developed for the treatment of Rheumatoid arthritis (RA) (P Eggleton,…Abstract Number: 2150 • ACR Convergence 2023
Novel Biologic IRL201805 Inhibits Osteoclastogenesis in Monocytic Cells from RA Patients
Background/Purpose: In Rheumatoid arthritis (RA), osteoclasts derived from CD14+ Monocytes are associated with a risk of progressive bone and joint destruction, which fundamentally impacts quality-of-life.…Abstract Number: 2232 • ACR Convergence 2023
Guselkumab, an IL-23p19 Subunit–specific Monoclonal Antibody, Is Able to Bind CD64+ Myeloid Cells, Potently Neutralize IL-23 Produced from the Cells, and Mediate Internalization of IL-23
Background/Purpose: Monoclonal antibodies (mAbs) targeting the interleukin (IL)-23p19 subunit are effective in treating psoriatic disease; however, their molecular attributes may translate to differences in clinical…Abstract Number: 2363 • ACR Convergence 2023
Increase in Macrophage Infiltration in Scleroderma Esophageal Mucosa Is Associated with Motility and Mucosal Complications
Background/Purpose: The macrophage activation is elevated in systemic sclerosis (SSc) patients, and is implicated in pathogenesis of tissue inflammation, fibrosis, and the development of skin…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: 037 • 2023 Pediatric Rheumatology Symposium
Transcriptional Analysis of CD14+ Monocytes During Macrophage Activation Syndrome Highlights Role for Interferons and RNA Sensing in Monocytes
Background/Purpose: Macrophage activation syndrome (MAS), a form of secondary hemophagocytic lymphohistiocytosis (HLH), is a potentially fatal complication of rheumatic diseases. MAS is a dysfunctional hyperinflammatory…Abstract Number: 0557 • ACR Convergence 2022
VEXAS Syndrome Is Characterized by Blood and Tissues Inflammasome Pathway Activation and Monocyte Dysregulation
Background/Purpose: Acquired mutations in the UBA1 gene, occurring in myeloid cells and resulting in expression of a catalytically impaired isoform of the enzyme E1, were…Abstract Number: 0568 • ACR Convergence 2022
The Absence of Blk Leads to Increased Inflammation in a Murine Model of Kawasaki Disease
Background/Purpose: Kawasaki Disease (KD) is the leading cause of acquired heart disease in children in developed countries characterized by inflammation of the coronary arteries leading…Abstract Number: 0599 • ACR Convergence 2022
Expansion of HLA-DR+CD45RAhi Non-lymphoid Cells in Patients with Rheumatoid Arthritis
Background/Purpose: In RA, aberrant lymphocytes can damage synovial joints and other organs. Antigen-presenting cells (APC) can activate lymphocytes and are considered critical to initiate immune…Abstract Number: 0604 • ACR Convergence 2022
Altered Metabolic State in Myeloid Precursors and Mature Cells Within Rheumatoid Arthritis
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disease characterised by synovial inflammation and joint destruction. Prior research has revealed perturbation in the myeloid compartment of…Abstract Number: 0652 • ACR Convergence 2022
Serum from Patients with SLE and Anti-MDA5 Antibody-Positive Dermatomyositis Induce Shared Monocyte Cytokine Signature Through Type 1 Interferon Pathway
Background/Purpose: Although type 1 interferon (IFN) plays a pivotal role in the pathogenesis of systemic lupus erythematosus (SLE) and polymyositis/dermatomyositis (PM/DM) [1] as typically evidenced…Abstract Number: 0654 • ACR Convergence 2022
Lymphatic Dysfunction and Immune Activation in Lupus
Background/Purpose: Systemic lupus erythematosus is a prototypic autoimmune disease in which patients frequently have photosensitivity. Exposure to ultraviolet radiation (UVR) causes the eruption of cutaneous…Abstract Number: 0663 • ACR Convergence 2022
Anti-Erythrocyte Antibodies in Childhood Onset Systemic Lupus Erythematosus
Background/Purpose: Systemic Lupus Erythematosus (SLE) is a disease characterized by the presence of auto-antibodies, immune complex deposition, and a robust type 1 interferon signature. It…Abstract Number: 1167 • ACR Convergence 2022
Towards an Autologous 3D Skin-like Tissue Harboring Patient-Derived Fibroblasts, Keratinocytes, T-cells and Macrophages
Background/Purpose: Scleroderma (Systemic Sclerosis; SSc) is an autoimmune disease of unknown etiology that is characterized by vascular dysfunction, fibrosis, and inflammation. A lack of human…