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OBJECTIVES Various autoantibodies are detected in the sera of PM/DM patients. Some of them are specific to PM/DM patients and closely associated with clinical manifestations of the diseases. Recently, the anti-CADM-140 antibody was reported to be found specifically in clinically amyopathic DM (C-ADM) patients and to be associated with acute interstitial(More)
OBJECTIVE Although interleukin-17 (IL-17)-producing gamma/delta T cells were reported to play pathogenic roles in collagen-induced arthritis (CIA), their characteristics remain unknown. The aim of this study was to clarify whether gamma/delta T cells or CD4+ T cells are the predominant IL-17-producing cells, and to determine what stimulates gamma/delta T(More)
In the treatment of polymyositis and dermatomyositis (PM/DM), the complication of interstitial lung disease (ILD) is an important prognostic factor. It has been reported that autoantibodies against aminoacyl-tRNA synthetases (ARS) are strongly associated with ILD. The aim of this study is to examine the correlation between anti-ARS and the clinical course(More)
MicroRNAs (miRNAs) are present in human plasma and known as a non-invasive biomarker for cancer detection. Our study was designed to identify plasma miRNAs specific for rheumatoid arthritis (RA) by a comprehensive array approach. We performed a systematic, array-based miRNA analysis on plasma samples from three RA patients and three healthy controls (HCs).(More)
Follistatin-related protein (FRP)/follistatin-like 1 (FSTL1) has multi-specific binding nature especially with TGF-β superfamily proteins, and thereby modulates organ development. However, its function in immune systems remains unclear. Previously, we reported FRP interacts with CD14, which is known to mediate toll-like receptor 4 (TLR4) signaling. Here, we(More)
OBJECTIVE To determine the significance of anti-U1 RNP antibodies in the cerebrospinal fluid (CSF) of patients with systemic lupus erythematosus (SLE) or mixed connective tissue disease (MCTD) who have central neuropsychiatric SLE (NPSLE). METHODS The frequency of antinuclear antibodies including anti-U1 RNP antibodies in the sera and CSF of 24 patients(More)
AIM Neuropsychiatric systemic lupus erythematosus (NPSLE) is a serious treatment-resistant phenotype of systemic lupus erythematosus. A standard treatment for NPSLE is not available. This report describes the clinical and laboratory tests of 10 patients with NPSLE before and after rituximab treatment, including changes in lymphocyte phenotypes. METHODS(More)
OBJECTIVE To compare tumor necrosis factor-α (TNF-α) inhibitors to nonbiological disease-modifying antirheumatic drugs (DMARD) for the risk of serious infection in Japanese patients with rheumatoid arthritis (RA). METHODS Serious infections occurring within the first year of the observation period were examined using the records for patients recruited to(More)
INTRODUCTION The objective of this study was to directly compare the safety of tocilizumab (TCZ) and TNF inhibitors (TNFIs) in rheumatoid arthritis (RA) patients in clinical practice. METHODS This prospective cohort study included RA patients starting TCZ [TCZ group, n=302, 224.68 patient-years (PY)] or TNFIs [TNFI group, n=304, 231.01 PY] from 2008 to(More)
OBJECTIVE Th17 has been shown to have a pivotal role in the development of arthritis. However, the role of IL-17 in the T cell-independent effector phase has not fully been examined. We investigated whether IL-17 is involved in the effector phase of arthritis by using K/BxN serum-induced arthritis model. METHODS K/BxN serum was transferred into IL-17(More)