Abstract Number: 25 • 2018 ACR/ARHP Annual Meeting
Circulating CD24hiCD38hi Regulatory B-Cells Influence Th17-Cell Responses in Patients with Granulomatosis with Polyangiitis
Background/Purpose: To investigate whether there is a direct relation between expanded proportions of Th17-effector memory (ThEM17) cells and diminished proportions of regulatory B-cells (Bregs) in…Abstract Number: 1095 • 2018 ACR/ARHP Annual Meeting
IFN Gene Expression Correlates with Frequency of Circulating Switched Memory B-Cells in Patients with Incomplete Systemic Lupus Erythematosus
Background/Purpose: Incomplete systemic lupus erythematosus (iSLE) includes patients with typical features of SLE, who do not meet classification criteria. Still, up to 50% will develop…Abstract Number: 2885 • 2018 ACR/ARHP Annual Meeting
Expansion of Activated PD-1+ ICOS+ T Follicular and Peripheral Helper Cells in Primary Sjögren’s Syndrome Associates with Abnormalities in B Cell Compartment
Background/Purpose: Primary Sjögren’s syndrome (pSS) is a systemic autoimmune disease characterized by immune cell infiltration in the salivary glands resulting in ocular and oral dryness.…Abstract Number: 1 • 2018 ACR/ARHP Annual Meeting
Profiling of B-Cell Related Factors and Its Decoy Receptors in Rheumatoid Arthritis: Potential Clues for Patient Stratification
Background/Purpose: B-cell over-activation plays a key role in the pathogenesis of rheumatoid arthritis (RA), thus being recognized as a therapeutic target. However, the activation of…Abstract Number: 26 • 2018 ACR/ARHP Annual Meeting
Hints for Catecholamine-Driven Autocrine Mechanisms to Regulate Regulatory B Cells
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disease affecting 1% of the worldwide population and characterized by synovial hypertrophy and chronic joint inflammation. In recent…Abstract Number: 1582 • 2018 ACR/ARHP Annual Meeting
Clinical Correlations and Expression Pattern of the Autoimmunity Susceptibility Factor Diora-1 in Primary Sjögren’s Syndrome
Background/Purpose: Genome-wide association studies of multiple autoimmune diseases, including primary Sjögren’s syndrome (pSS), systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA) have revealed an association…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: 38 • 2017 ACR/ARHP Annual Meeting
Cytokine Production By CpG-Activated B Cells Require Glutaminolysis to Drive mTOR Activation, Aerobic Glycolysis and Mitochondrial Respiration
Background/Purpose: B cells contribute to disease pathophysiology through several mechanisms, including cytokine secretion. A wide variety of stimuli can activate B cells to produce cytokines…Abstract Number: 1466 • 2017 ACR/ARHP Annual Meeting
The Effects of Rituximab and B-Cells Depletion on the Inflammatory and Pro-Thrombotic Profile of Leucocytes of Rheumatoid Arthritis Patients and on the Vascular Endothelium
Background/Purpose: Cardiovascular disease (CVD) constitutes a relevant cause of morbidity and mortality in Rheumatoid Arthritis (RA) patients. Rituximab (RTX) has been proved to be effective…Abstract Number: 40 • 2017 ACR/ARHP Annual Meeting
B-Cell Attracting Chemokine-1 (BCA-1) and Macrophage Inflammatory Protein-3 Alpha (MIP-3α) Act Synergistically in the Recruitment of B Cells in the Rheumatoid Synovium
Background/Purpose: B cells are recognized as key players in the pathogenesis of rheumatoid arthritis (AR) through the production of autoantibodies, the local production of proinflammatory…Abstract Number: 1748 • 2017 ACR/ARHP Annual Meeting
Cbl-b Associates with Bcl-6 and Is Differentially Expressed in Circulating Follicular T Helper Cells of Patients with Systemic Lupus Erythematosus
Background/Purpose: Activation of polyclonal CD4+ T cells and B cells is a hallmark of human and murine lupus, which suggests a global defect in the…Abstract Number: 42 • 2017 ACR/ARHP Annual Meeting
Resveratrol Regulates Sirt1 to Control B Cells Activation and Plasma B Cells Differentiation
Background/Purpose: Systemic lupus erythematosus (SLE) is a multi-systemic autoimmune disease characterized by B cell hyperactivation and the production of autoantibodies. Histone deacetylase, Sirtuin1 (Sirt1) has…Abstract Number: 1782 • 2017 ACR/ARHP Annual Meeting
Mycophenolic Acid Decreases IL-10 and IL-6 Production By B Cells of Granulomatosis with Polyangiitis Patients and Healthy Controls in Vitro
Background/Purpose: Granulomatosis with polyangiitis (GPA) is a relapsing autoimmune disease affecting small- to medium-sized blood vessels. B cells are thought to play an important antibody-independent…Abstract Number: 43 • 2017 ACR/ARHP Annual Meeting
Regulation of TLR7 Signalling By UBE2L3 Dependent Linear Ubiquitination Explains Dimethyl Fumarate Suppression of Autoreactive B Cell Development in SLE
Background/Purpose: A single risk haplotype spanning UBE2L3 is strongly associated with SLE and multiple autoimmune diseases. The E2 ubiquitin-conjugating enzyme UBE2L3 regulates TNFα and CD40…Abstract Number: 1834 • 2017 ACR/ARHP Annual Meeting
Selective Inhibitors of Nuclear Export Prevent Lupus Progression By Targeting Germinal Center Formation and Autoreactive Antibody Secreting Cells
Background/Purpose: There is great interest in developing new treatment approaches for systemic lupus erythematosus (SLE), but the biologic therapies under investigation over the past several…
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