Abstract Number: 1152 • ACR Convergence 2022
A Novel Serological Biomarker Measuring a Fragment of Cartilage Intermediate Layer Protein 1 Is Highly Upregulated in Rheumatic Diseases
Background/Purpose: A hallmark of rheumatic joint diseases is altered cartilage protein turnover and protein composition. During cartilage erosions, the cartilage intermediate layer protein-1 (CILP-1), is…Abstract Number: 1851 • ACR Convergence 2022
Phenotype and Genotype of Adult-onset Adenosine Deaminase 2 Deficiency Patients
Background/Purpose: Deficiency of adenosine deaminase 2 (DADA2) is an autosomal recessive autoinflammatory disease, characterized by early‑onset vasculopathy, fever, strokes, livedoid rash, hepatosplenomegaly, and hematologic dysfunction,…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: 1153 • ACR Convergence 2022
Differentially Expressed Genes in Males and Females with Ankylosing Spondylitis (AS): Transcriptomics of IL-17-producing Cells in Patients with AS
Background/Purpose: Unlike most autoimmune diseases, ankylosing spondylitis (AS) is more frequently diagnosed in men (3:1) and with a higher radiographic progression compared to women. Th17…Abstract Number: 1853 • ACR Convergence 2022
A Comparitive Study of NLRP3- and NLRP12-autoinflammatory Disease
Background/Purpose: NLRP3-associated autoinflammatoy disease (NLRP3-AID) and NLRP12-AID are rare autosomal dominant diseases. FACS1(familial cold autoinflammatory syndrome type 1), a subset of NLRP3-AID, is thought to…Abstract Number: 0563 • ACR Convergence 2022
High-Dimensional Immunophenotyping with Mass Cytometry Reveals Unique Immune Cell Aberrations in Patients with Undiagnosed Inflammatory and Autoimmune Diseases
Background/Purpose: Few tools are available to evaluate the immune dysregulation in patients with severe autoimmune or inflammatory conditions that do not conform to well-defined rheumatologic…Abstract Number: 1208 • ACR Convergence 2022
Development and Validation of a Prognostic Model for Methotrexate Discontinuation with Abnormal Monitoring Blood-test Results: A Cohort Study Using Data from Clinical Practice Research Datalink Gold and Aurum
Background/Purpose: Patients established on long-term low-dose weekly methotrexate treatment undergo 3-monthly monitoring blood-tests to facilitate early detection of drug-related adverse events. Regular testing may not…Abstract Number: 1930 • ACR Convergence 2022
Assessing the Number of Children Evaluated for Recurrent Fevers During the COVID-19 Pandemic in North America
Background/Purpose: The impact of the COVID-19 pandemic on the number of pediatric patients evaluated in North America for recurrent fevers and autoinflammatory diseases is unknown;…Abstract Number: 0010 • ACR Convergence 2022
The Inflammation Induced by Monosodium Urate and Calcium Pyrophosphate Crystals Depends on Osmolarity and Aquaporin Channels
Background/Purpose: The inflammation induced by monosodium urate (MSU) and calcium pyrophosphate (CPP) crystals is driven by interleukin (IL)-1β production. This later relies on NLRP3 inflammasome…Abstract Number: 0567 • ACR Convergence 2022
Gain-of-Function Mutations in Lyn Kinase Cause a Novel Autoinflammatory Disease with Small Vessel Vasculitis and Liver Fibrosis
Background/Purpose: Lyn kinase is a member of the Src family of tyrosine kinases that regulates innate and adaptive immune responses. Lyn C-terminal tail tyrosine residue,…Abstract Number: 1240 • ACR Convergence 2022
A Systematic Review and Meta-Analysis of Diagnostic Test Accuracy for the Diagnosis of Cardiac Sarcoidosis
Background/Purpose: Autopsy reports for patients with sarcoidosis have suggested that up to 25% have cardiac involvement, mostly undiagnosed. Given the limited diagnostic accuracy of endomyocardial…Abstract Number: 1931 • ACR Convergence 2022
NOD2 Mutations Are Associated with Upregulated Type 1 Interferon Gene Expression and Development of Granulomatous Hepatitis in Children with Autoimmune Hepatitis
Background/Purpose: Mutations in the gene NOD2 encoding the nucleotide-binding oligomerization domain-containing protein 2 (NOD2) which controls innate responses to LPS have been linked to Blau…Abstract Number: 0014 • ACR Convergence 2022
The Expanded CD21 Low B Cell Subpopulation in Ankylosing Spondylitis Consists Mainly of Antigen-Inexperienced Cells
Background/Purpose: The role of B cells in the pathogenesis of ankylosing spondylitis (AS) remains relatively understudied. Nevertheless, available evidence shows presence of B cells at…Abstract Number: 0584 • ACR Convergence 2022
Non-Clinical Evaluations of Deucravacitinib and Janus Kinase Inhibitor Specificity in Inflammatory or Homeostatic Pathways
Background/Purpose: Deucravacitinib is a selective inhibitor of tyrosine kinase 2 (TYK2) that has shown clinical efficacy in psoriasis, PsA, and SLE. Deucravacitinib is an allosteric…Abstract Number: 1321 • ACR Convergence 2022
Systemic Inflammatory-based Scores and Bone Turnover Ratio as Novel Diagnostic Tools for Chronic Nonbacterial Osteomyelitis (CNO) of the Sternocostoclavicular Region in Adults
Background/Purpose: Chronic non-bacterial osteomyelitis (CNO) in adults exhibits as sterile osteitis and consequent disrupted bone metabolism favoring bone formation of the sternocostoclavicular region (SCCH). Diagnosis…
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