Abstract Number: 99 • 2019 ACR/ARP Annual Meeting
Mass Cytometry Immunophenotyping of Synovial Fluid from Checkpoint Inhibitor Related Arthritis
Background/Purpose: Anti-PD-1/PD-L1 checkpoint inhibitor therapies have produced remarkable results in stimulating immune responses against tumors. Checkpoint inhibitor therapy can also trigger a variety of autoimmune…Abstract Number: 1033 • 2019 ACR/ARP Annual Meeting
Mass Cytometric Immunophenotyping Highlights a Dysregulated T cell-B Cell Axis in Patients with New-onset Lupus
Background/Purpose: The immune cell subsets most altered early in SLE disease course remain unclear. Defining abnormalities in lymphocyte populations in patients with new-onset SLE may…Abstract Number: 2734 • 2019 ACR/ARP Annual Meeting
Signaling Lymphocytic Activation Molecule Family (SLAMF) Receptors Deregulation Is Implicated in the Altered Function of NK Cells in Systemic Lupus Erythematosus
Background/Purpose: Systemic lupus erythematosus (SLE) is a multisystemic autoimmune disease characterized by quantitative and qualitative deficiencies of immune cells. Natural killer (NK) cells are innate…Abstract Number: 135 • 2018 ACR/ARHP Annual Meeting
High Dimensional Analysis By Mass Cytometry and RNA-Sequencing Reveals Altered Frequency and Exhausted Features of CD4 T and MAIT Cells in Systemic Sclerosis
Background/Purpose: Systemic sclerosis (SSc) is an autoimmune disease characterised by excessive fibrosis of skin and internal organs, and vascular dysfunction. Association of T and B…Abstract Number: 1104 • 2018 ACR/ARHP Annual Meeting
Mass Cytometry Analysis Detects Dysregulated T Cell Complement Responses in Diffuse Cutaneous Systemic Sclerosis
Background/Purpose: Aberrant CD4+ T cell activation is implicated in disease progression in systemic sclerosis (SSc). Activated T cells release various cytokines that may drive inflammation,…Abstract Number: 1832 • 2018 ACR/ARHP Annual Meeting
Proteomic and Transcriptomic Profiling of Cells in Ankylosing Spondylitis Patients Identifies a Novel, Synovial-Resident CD8+ T Cell
Background/Purpose: Current data suggests that immune events in the gut may impact on joint inflammation in ankylosing spondylitis (AS) but what directs cells in the…Abstract Number: 2029 • 2018 ACR/ARHP Annual Meeting
Extended Phenotypic Immunome Characterization (EPIC): A Web-Based Immune Reference Atlas
Background/Purpose: An atlas of the developing immune system will aid in our understanding of its normal maturation and identification of disease-associated cell subsets. The availability…Abstract Number: 2837 • 2018 ACR/ARHP Annual Meeting
Diminished STAT-3 Phosphorylation and Associated Cell Pathways Characterize MMF-Treated Systemic Lupus Erythematosus Patients
Background/Purpose: Mycophenolate mofetil (MMF) is a commonly used medication to treat major organ involvement in SLE, specifically in patients with lupus nephritis. The safety and…Abstract Number: 2903 • 2018 ACR/ARHP Annual Meeting
Single Cell Association Testing Identifies an Expanded Th1-Skewed Cytotoxic Effector CD4+ T Cell Subset in Rheumatoid Arthritis
Background/Purpose: Defining the precise CD4+ T cell subsets that are dysregulated in RA patients is critical to deciphering pathogenesis. Here we present Mixed effects modeling…Abstract Number: 2946 • 2018 ACR/ARHP Annual Meeting
T Peripheral Helper Cells Are Expanded in the Circulation of Active SLE Patients and Correlate with CD21low B Cells
Background/Purpose: Pathologic T cell-B cell interactions and production of autoantibodies are hallmark features of SLE. T follicular helper (Tfh) cells are generally considered the principal…Abstract Number: 2949 • 2018 ACR/ARHP Annual Meeting
African American and European American SLE Patients with Variable Disease Activity Reveal Distinct Differences in B Cells and TLR7/8 Pathways
Background/Purpose: Systemic lupus erythematosus (SLE) is an autoimmune disorder with a heterogeneous clinical presentation and periods of waxing and waning disease. Heterogeneity in SLE is…Abstract Number: 2420 • 2017 ACR/ARHP Annual Meeting
Mass Cytometry Analysis of CD4+ T Cells in Patients with Rheumatoid Arthritis
Background/Purpose: CD4+ T cells play a key role in the initiation and progression of RA. Past studies have identified impaired function and regulation of several…Abstract Number: 2637 • 2017 ACR/ARHP Annual Meeting
A Novel Regulatory Antigen Presenting B Cell and Memory Regulatory T Cell Subsets Are Enriched during the Quiescent Phase of Childhood Onset Systemic Lupus Erythematosus
Background/Purpose: Systemic Lupus Erythematosus (SLE) is a multi-factorial disease and the conventional oligo-dimensional investigative approach involving one or a few cell subsets at a time…Abstract Number: 83 • 2017 ACR/ARHP Annual Meeting
Whole Blood Stimulations Identify Elevated T Cell Cytokines and Altered Granulocyte/Dendritic Cell Signaling in SLE Patients with Variable Disease Activity
Background/Purpose: Systemic lupus erythematosus (SLE) is characterized by loss of immune tolerance to self-antigens and periods of waxing and waning disease. The clinical aspects of…Abstract Number: 297 • 2017 ACR/ARHP Annual Meeting
Multiplexed Characterization of Circulating and Joint-Derived Human Neutrophils in Inflammatory Arthritis
Background/Purpose: Neutrophils are innate immune cells that play a central role in the initiation of inflammatory arthritis as well as mediating tissue damage. We sought…