Abstract Number: 2181 • ACR Convergence 2022
Gut Microbe-derived Short-Chain Fatty Acids Regulate Arthritis and Myositis During Chikungunya Virus Infection
Background/Purpose: The intestinal microbiota regulates musculoskeletal inflammation and antibiotic use increases risk for the development or relapse of inflammatory arthritis. However, the basis for this…Abstract Number: 0249 • ACR Convergence 2022
Identification of Distinct Peripheral Blood Myeloid Cell Subpopulations in Patients with Rheumatoid Arthritis-associated Interstitial Lung Disease
Background/Purpose: Interstitial lung disease (ILD) is associated with significant morbidity and mortality in rheumatoid arthritis (RA). The key cellular players of RA-ILD remain largely unknown.…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…Abstract Number: 1002 • ACR Convergence 2021
Nerve and Airway-associated Tissue Resident Pulmonary Macrophages Limit Infiltration and Alter Phenotype of Infiltrating Monocytes and Fibrocytes to Reduce Pulmonary Fibrosis
Background/Purpose: Macrophages and monocytes are increasingly implicated in the pathogenesis of autoimmune induced pulmonary fibrosis. In addition to the well-recognized classes of tissue resident macrophages…Abstract Number: 1422 • ACR Convergence 2021
Urinary CD163 Predicts Proliferative Lupus Nephritis in SLE Patients with Proteinuria: A Practical Liquid Biopsy Approach
Background/Purpose: Diagnosis of lupus nephritis (LN) relies on a kidney biopsy obtained in SLE with proteinuria. Delayed access to kidney biopsies may delay diagnosis and…Abstract Number: 1490 • ACR Convergence 2021
Myeloid and B Cell Transcriptional Phenotypes Reveal Race Dependent Differences in Early Autoimmunity
Background/Purpose: Early immune events leading to clinical autoimmune disease are complex and the pathways involved remain incompletely defined. Anti-nuclear antibody (ANA) positivity is a feature…Abstract Number: 1860 • ACR Convergence 2021
Three Distinct Transcriptional Profiles of Monocytes Correlate with Disease Activity in SSc Patients
Background/Purpose: Patients with SSc display a complex clinical phenotype.Our group has made important contributions to an emerging understanding of monocytes and macrophages as central to…Abstract Number: 1890 • ACR Convergence 2021
Cellular Origin and Functions of Osteoclasts in Inflammatory Arthritis
Background/Purpose: Inflammatory arthritis (IA) is an autoimmune disease targeting multiple joints and characterized by joint destruction caused by osteoclasts (OC), leading to physical disability. However,…