Abstract Number: 111 • 2023 Pediatric Rheumatology Symposium
Monitoring for Hypogammaglobulinemia After B-Cell Therapy in an Academic Pediatric Center
Background/Purpose: Hypogammaglobulinemia is an under-recognized complication of B-cell targeted therapies (BCTT) in both autoimmune diseases (AID) and malignancy. Hypogammaglobulinemia may be transient or persistent, and…Abstract Number: L04 • ACR Convergence 2022
Psoriatic Arthritis Disease Subtypes Mediated by CD8 T Cells Are Phenocopied in a Novel Humanized Murine Model of Psoriasis and Arthritis
Background/Purpose: A pivotal clinical characteristic of psoriatic arthritis (PsA) is disease manifestations in several domains (skin, entheses, joints, spine) and multiple domain involvement is prevalent,…Abstract Number: L03 • ACR Convergence 2022
A Phase 2 Trial of Peresolimab for Adults with Rheumatoid Arthritis
Background/Purpose: Peresolimab is a humanized immunoglobulin G1 monoclonal antibody that stimulates human programmed cell death protein 1 (PD-1). We hypothesized that peresolimab binding to PD-1,…Abstract Number: L10 • ACR Convergence 2022
Efgartigimod Prevents Necrosis and Allows for Muscle Fiber Regeneration in a Humanized Mouse Model of Immune-mediated Necrotizing Myopathy (IMNM)
Background/Purpose: Immune-mediated necrotizing myopathy (IMNM) is a severe form of myositis characterized by muscle weakness and elevated creatine kinase levels in serum. The most frequent…Abstract Number: 0040 • ACR Convergence 2022
Plasma Proteomic Signatures in Juvenile Dermatomyositis Highlight Novel Proteins and a Protein Module That Associate with Skin and Global Disease Activity
Background/Purpose: Juvenile dermatomyositis (JDM) patients display heterogenous disease phenotypes and treatment response patterns. Our study used a multiplexed proteomics assay for measurement of 3072 proteins…Abstract Number: 0608 • ACR Convergence 2022
Wnt Pathway Regulators R-spondin 3 and Dickkopf-related Protein 3 Demarcate a Transcriptional Gradient That Drives Synovial Fibroblast Inflammatory Pathology in Rheumatoid Arthritis
Background/Purpose: Synovial fibroblasts are key players in rheumatoid arthritis (RA) where they secrete inflammatory cytokines and directly instigate cartilage and bone destruction. However, most treatments…Abstract Number: 0760 • ACR Convergence 2022
Prevalence of Autoimmune Conditions in Metastatic Melanoma Patients Starting Checkpoint Inhibitors
Background/Purpose: Since patients with pre-existing autoimmune conditions are commonly excluded from clinical trials with immune checkpoint inhibitors (ICI), we aimed to describe the characteristics of…Abstract Number: 1171 • ACR Convergence 2022
Distinct Immune Cell Subsets in Systemic Sclerosis-related Interstitial Lung Disease
Background/Purpose: The pathogenesis of systemic sclerosis is not well understood. The key differences between immune cell compartments in scleroderma with and without interstitial lung disease…Abstract Number: 1705 • ACR Convergence 2022
Peptidoglycan Amplifies CD4+ T Cell Activation by MHCII+ Fibroblast-like Synoviocytes in an in Vitro Model of Lyme Arthritis
Background/Purpose: Lyme arthritis (LA), caused by infection with Borrelia burgdorferi (Bb), is characterized by proliferative synovitis accompanied by dysregulated autoimmune Th1 responses. Fibroblast-like synoviocytes (FLS)…Abstract Number: 1936 • ACR Convergence 2022
A De Novo Dominant-negative PSMB8 mutation is Linked to a More Severe CANDLE-like Phenotype
Background/Purpose: Homozygote (HM)/compound heterozygote (CH) and digenic (DG) mutations in proteasome subunits cause the autoinflammatory syndrome CANDLE, or proteasome-associated autoinflammatory syndrome (PRAAS). Inflammation is mediated…Abstract Number: 0047 • ACR Convergence 2022
Cenerimod, a Novel Selective S1P1 Receptor Modulator, Prevents or Attenuates Joint Inflammation in Several Preclinical Models of Rheumatoid Arthritis
Background/Purpose: Targeting the sphingosine-1-phosphate (S1P) pathway has become an attractive target for therapeutic intervention in autoimmune diseases due to its selective impact on the migration…Abstract Number: 0615 • ACR Convergence 2022
Semaphorin 5A Suppresses Ferroptosis Through Activation of PI3K-AKT-mTOR Signaling in Rheumatoid Arthritis
Background/Purpose: Rheumatoid arthritis (RA) is a systemic autoimmune disease with synovial inflammation as the main pathological feature, and can eventually lead to irreversible joint or…Abstract Number: 0769 • ACR Convergence 2022
Heterologous Vector versus Homologous mRNA COVID-19 Booster Vaccination in Non-seroconverted Immunosuppressed Patients: A Randomized Controlled Trial
Background/Purpose: Patients under immunosuppressive therapy have a high risk for severe COVID-19 disease courses. However, efficacy of vaccination and therefore the right vaccination strategy remains…Abstract Number: 1174 • ACR Convergence 2022
Cellular Immunotherapy for Systemic Sclerosis
Background/Purpose: Pro-fibrotic macrophages (MØs) are implicated in the pathogenesis of systemic sclerosis (SSc). In prior work, we and others have shown that MØs derived from…Abstract Number: 1717 • ACR Convergence 2022
Deficiency of IL-23 Receptor in Podocytes of MRL/lpr lupus-prone Mice Abrogates the Development of Lupus Nephritis Despite IgG Deposition in the Glomeruli
Background/Purpose: Interleukin 23 (IL-23) is involved in the pathogenesis of systemic lupus erythematosus (SLE). IL-23 is elevated in the sera of patients with active SLE…
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