Abstract Number: 1919 • 2016 ACR/ARHP Annual Meeting
Analysis of T Cell Repertoire Diversity of CD4+ Memory and NaïVe T Cells By Next Generation Sequencing and Its Association with Rheumatoid Arthritis Disease Parameters
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disease characterized by peripheral polyarthritis. The importance of CD4+ T cell in the pathophysiology of RA is well-known…Abstract Number: 1920 • 2016 ACR/ARHP Annual Meeting
Vitamin D Induces a Type 1 Regulatory T Cell (Tr1)-like Phenotype in Human C-C Chemokine Receptor Type 6 (Ccr6)+ th Cells and Promotes Their Migration to an Inflammatory Environment
Background/Purpose: The active vitamin D metabolite 1,25(OH)2D3 suppresses various experimental autoimmune diseases. In addition, serum vitamin D levels, vitamin D intake and polymorphisms in the…Abstract Number: 1921 • 2016 ACR/ARHP Annual Meeting
Evidence for Prevotella Copri As an Immune-Relevant Bacterium in Rheumatoid Arthritis
Background/Purpose: Prevotella copri Methods: HLA-DR-presented peptides were identified directly from RA patients' synovial tissue or peripheral blood mononuclear cells (PBMC) by tandem mass spectrometry. P.…Abstract Number: 1922 • 2016 ACR/ARHP Annual Meeting
TNF-α and IL-6 Induced Upregulation of CCR5 and CXCR3 Participate in Vδ2 Chemotaxis in RA
Background/Purpose: Vδ2T cells, a subpopulation of γδ T cells with inflammatory features, play a vital role in inflammation, tumor immunology, infectious disease and autoimmunity. However,…Abstract Number: 1923 • 2016 ACR/ARHP Annual Meeting
Activated Partial Thromboplastin Time Reflects Disease Activity in Patients with Anti-Neutrophil Cytoplasmic Antibody-Associated Vasculitis
Background/Purpose: Anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a group of systemic vasculitides associated with ANCA specific for myeloperoxidase (MPO) or proteinase-3 (PR3), and includes…Abstract Number: 1924 • 2016 ACR/ARHP Annual Meeting
Clinical Features and Outcome in Patients with Elderly Onset ANCA Associated Vasculitis
Background/Purpose: ANCA-associated vasculitis (AAV) usually occurs in elderly patients, but only a few studies regarding clinical features in elderly onset AAV have been reported. So…Abstract Number: 1925 • 2016 ACR/ARHP Annual Meeting
Interest of Procalcitonin for the Follow-up of ANCA-Associated Vasculitis: Data from a Cohort of 99 Patients
Background/Purpose: The prognosis of the ANCA associated vasculitis (AAV) has improved with the new immunosuppressive treatments but infectious complications remain frequent. Procalcitonin (PCT) is…Abstract Number: 1926 • 2016 ACR/ARHP Annual Meeting
Indications for Testing and Diagnostic Outcome in Patients with Positive ANCA at a Canadian Tertiary Care Centre
Background/Purpose: Anti-neutrophil cytoplasmic antibodies (ANCA) are a hallmark of a subset of small vasculitides collectively termed ANCA-associated vasculitis (AAV). With widespread availability of ANCA testing,…Abstract Number: 1927 • 2016 ACR/ARHP Annual Meeting
Relapses in Patients with ANCA-Associated Vasculitis: A Retrospective Study on Severity and Organ Involvement Compared to Initial Onset
Background/Purpose: Despite progress in induction and maintenance therapy in ANCA-associated vasculitis (AAV), relapses remain the main challenge in this disease with a rate above 50%.…Abstract Number: 1928 • 2016 ACR/ARHP Annual Meeting
Treatment of ANCA Associated Vasculitis in the Very Elderly
Background/Purpose: Anti-neutrophil cytoplasmic antibody associated vasculitis (AAV) are a group of disorders predominantly affecting older patients and frequently presenting with acute kidney injury. Despite the…Abstract Number: 1929 • 2016 ACR/ARHP Annual Meeting
Comparison of Two Different ANCA Iif Methods with EIA and Disease Phenotype
Background/Purpose: ANCAs are used as diagnostic markers in patients with autoimmune vasculitis such as Granulomatosis with polyangitis (GPA), Microscopic polyangitis (MPA), and Eosinophilic granulomatosis with…Abstract Number: 1930 • 2016 ACR/ARHP Annual Meeting
Factors Associated with Glucocorticoid Exposure in ANCA-Associated Vasculitis
Background/Purpose: Factors associated with cumulative glucocorticoid exposure in granulomatosis with polyangiitis (GPA) or microscopic polyangiitis (MPA) have not previously been described. We examined the association…Abstract Number: 1931 • 2016 ACR/ARHP Annual Meeting
MRI Findings in Granulomatosis with Polyangiitis: Pachymeningitis and Implications in Quality of Life
Background/Purpose: The frequency of CNS involvement in granulomatosis with polyangiitis (GPA) is uncommon (4-18%). Among them, pachymeningitis (PM) has been reported in 0.6-8%. Improvement of…Abstract Number: 1932 • 2016 ACR/ARHP Annual Meeting
Precapillary Pulmonary Hypertension in Granulomatosis with Polyangiitis: A Case Series with Long-Term Follow-up
Background/Purpose: A few isolated case reports of precapillary pulmonary hypertension (PH) in ANCA-associated vasculitides, mostly granulomatosis with polyangiitis (GPA), have been published. The characteristics and…Abstract Number: 1933 • 2016 ACR/ARHP Annual Meeting
M2 Macrophage Is the Predominant Phenotype in Airways Inflammatory Lesions in Patients with Granulomatosis with Polyangiitis
Background/Purpose: Macrophages may present two main phenotypes indicated as M1 and M2 under different stimuli. M1- and M2-macrophages have divergent functions that range from enhancement…
