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: 0035 • ACR Convergence 2023
Using Genotyping and Functional Data from Monocytes to Identify Risk-Driving SNPs on JIA Risk Haplotypes
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 disease risk…Abstract Number: 0041 • ACR Convergence 2023
Interactions Between Synovial Fibroblasts and Macrophages: Implications for Tissue Remodeling in Chronic Inflammatory Diseases and Macrophage Differentiation in Response to the Immune Microenvironment
Background/Purpose: Activated macrophages (Mph) can be subdivided in at least 2 major subgroups according to their polarization into classical pro-(M1-Mph) or anti-inflammatory (M2-Mph) subtypes. Together…Abstract Number: 0054 • ACR Convergence 2023
RA Monocytes and Monocyte-Derived Macrophages Display Heightened Inflammatory Responses, Reduced Endocytic Capacity and Distinct TET Expression Compared to PsA Monocytes
Background/Purpose: RA and PsA share various pathogenic features, while also displaying significant differences at the clinical, cellular and molecular levels. In this study, we investigate…Abstract Number: 0061 • ACR Convergence 2023
Discovery of a RIPK2 Scaffolding Inhibitor for the Treatment of Joint Autoimmune Diseases
Background/Purpose: Receptor interacting protein kinase 2 (RIPK2) is a key signaling node for inflammation caused by peptidoglycan (PGN). In the intestine, RIPK2 integrates signaling originating…Abstract Number: 0062 • ACR Convergence 2023
Differential Metabolic Profiles, Activation and Circadian Dynamics in Rheumatoid Arthritis and Psoriatic Arthritis Circulatory Monocytes
Background/Purpose: While Rheumatoid Arthritis (RA) and Psoriatic Arthritis (PsA) share many features, they are distinct in clinical presentation and molecular profile. As monocytes are crucial…Abstract Number: 0916 • ACR Convergence 2023
Upregulation of the M-CSF Receptor on Non-Classical Monocytes from SLE Patients as an Indicator for Premature Monocyte Aging
Background/Purpose: Circulating monocytes are divided into three subsets: classical, intermediate, and non-classical monocytes. Monocytes egress from the bone marrow as classical monocytes and develop into…Abstract Number: 1588 • ACR Convergence 2023
Monocyte-derived Macrophages Accumulate in the Lungs in anti-MDA5+ Dermatomyositis with RP-ILD: Proinflammatory and Profibrotic Phenotype Revealed by Single-cell RNA Sequencing
Background/Purpose: Anti-melanoma differentiation-associated gene 5-positive dermatomyositis (anti-MDA5+ DM) is a rare inflammatory autoimmune disease with impressively life-threatening rapid progressive interstitial lung disease (RP-ILD). The mechanism…Abstract Number: 1714 • ACR Convergence 2023
Aberrant Myeloid Populations in the TNF-Transgenic Model of Pulmonary Hypertension Overexpress Interferon Pathways and Are Driven by TNFR1 Signaling
Background/Purpose: Pulmonary hypertension (PH) is a severe, progressive disorder characterized by elevated pulmonary artery pressures, right ventricular hypertrophy, and increased mortality. We previously demonstrated that…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…
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