Abstract Number: 2771 • 2014 ACR/ARHP Annual Meeting
PET-CT Imaging and Association of Ferritin Autoantibodies in Polymyalgia Rheumatica
Background/Purpose Previously we described antibodies against ferritin heavy chain peptide (anti-FHCP) in sera of patients with giant cell arteritis (GCA) and/or polymyalgia rheumatic (PMR) before…Abstract Number: 2772 • 2014 ACR/ARHP Annual Meeting
The Use of Imaging in the Diagnosis of Polymyalgia Rheumatica: Systematic Literature Review and Meta-Analysis
Background/Purpose ACR/EULAR provisional classification criteria for polymyalgia rheumatica (PMR) incorporate musculoskeletal ultrasound of shoulder and hip (bursitis and synovitis given equal weight). Our objective was…Abstract Number: 2773 • 2014 ACR/ARHP Annual Meeting
Whole-Body MRI Reveals Characteristic Extracapsular Pattern of Inflammation in Polymyalgia Rheumatica
Background/Purpose Polymyalgia rheumatica (PMR) is a disease of widespread musculoskeletal inflammation characterized by pain and stiffness in shoulder and hip girdles. Here we report the…Abstract Number: 2736 • 2014 ACR/ARHP Annual Meeting
Female Specific Increase in T Cell Glycosylation in Lupus
Background/Purpose: Systemic Lupus Erythematosus (SLE) is an autoimmune inflammatory disease characterized by altered T cell signaling. SLE is characterized by epigenetic mechanisms that cause hypomethylation…Abstract Number: 2735 • 2014 ACR/ARHP Annual Meeting
Association of a-Kinase Anchoring Protein-79 (AKAP79) to PKC Mediates Inhibition of IL2 Transcription and Erk Activation in T Cells
Background/Purpose A-Kinase anchoring Protein AKAP79 associates to and regulates the activity of PKA, PKC and calcineurin, key regulators of T cell activation. We have previously…Abstract Number: 2734 • 2014 ACR/ARHP Annual Meeting
B55β Regulates T Cell Survival through the Modulation of AKT during Cytokine Deprivation
Background/Purpose . The abundance of cytokines controls the length of immune responses through poorly defined mechanisms. B55β is a molecule that triggers apoptosis in activated…Abstract Number: 2737 • 2014 ACR/ARHP Annual Meeting
Microrna-155 Suppresses IL-21 Signaling and Production in Systemic Lupus Erythematosus
Background/Purpose IL-21 is a key regulator of B cells functions and autoantibody production and is mainly produced by follicular T helper cells. The purpose of…Abstract Number: 2738 • 2014 ACR/ARHP Annual Meeting
Shk-186, a Kv1.3 channel inhibitor That Targets Effector Memory T Cells: Safety and Tolerability in Humans and Its Evaluation in a Model of Rapidly Progressive Glomerulonephritis
Background/Purpose: The voltage-gated potassium channel Kv1.3 is a novel target for the treatment of autoimmune disorders including psoriatic and rheumatic diseases. ShK-186 is an exquisitely specific,…Abstract Number: 2739 • 2014 ACR/ARHP Annual Meeting
SHP-1 Regulates the Activation Threshold of iNKT Cells
Background/Purpose Autoreactive invariant Natural Killer T (iNKT) cells have been implicated in several rheumatic diseases, including Systemic lupus erythematosus and Rheumatoid arthritis. iNKT cells are…Abstract Number: 2740 • 2014 ACR/ARHP Annual Meeting
Microbiota Modulate Intraepithelial Lymphocyte Presence and Function
Background/Purpose: Microbiome studies in autoimmune diseases including rheumatoid arthritis and inflammatory bowel disease demonstrate alterations in relative abundance of specific bacterial species (dysbiosis). The immunologic…Abstract Number: 2741 • 2014 ACR/ARHP Annual Meeting
The Role of Fli1 in Lupus T Cell Function and Nephritis
Background/Purpose: The Ets factor Fli1 is implicated as a key modulator of lupus disease expression. Over-expressing Fli1 in healthy mice, results in the development of…Abstract Number: 2742 • 2014 ACR/ARHP Annual Meeting
Polymorphisms in the Slam Family of Molecules Play a Role in the Development and Function of Invariant Natural Killer T Cells in New Zealand Black Mice
Background/Purpose: The family of signaling lymphocyte activating molecules (SLAM) have been shown to play a key role in the development of autoimmunity in spontaneous and…Abstract Number: 2743 • 2014 ACR/ARHP Annual Meeting
CD27 Is a Key Regulator of T Cell Responses
Background/Purpose: CD27 is a member of the TNF superfamily of receptors that is expressed on a majority of natural killer (NK) cells, T cells, memory…Abstract Number: 2744 • 2014 ACR/ARHP Annual Meeting
Mi-RNA Profile of Active Vascular BEHÇET’S Patients
Background/Purpose Behçet’s Disease (BD) is a systemic vasculitis that predominantly presented with oral aphtous ulcers and additionally at least two of the following findings like…Abstract Number: 2745 • 2014 ACR/ARHP Annual Meeting
Plasma of Patients with Active Behçet´s Disease (BD) Increases Neutrophil Extracellular Trap Formation, Oxidative Metabolism and NADPH-Oxidase Expression in Normal and BD Neutrophils, and Carries Several Neutrophil Stimulating Factors
Background/Purpose Plasma factors seem to play a role in Behçet’s disease (BD) pathogenesis, especially by increasing phagocyte oxidative profile. No data exists regarding neutrophil extracellular…