Kengo Akashi

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OBJECTIVE Myeloid-derived suppressor cells (MDSCs) are a heterogeneous population of cells that have the ability to suppress T cell responses. The aim of this study was to evaluate the effects of the JAK inhibitor tofacitinib on MDSCs in a mouse model of rheumatoid arthritis. METHODS Arthritis was induced in SKG mice by zymosan A (ZyA) injection. MDSCs(More)
BACKGROUND The recent findings of cancer-specific metabolic changes, including increased glucose and glutamine consumption, have provided new therapeutic targets for consideration. Fibroblast-like synoviocytes (FLS) from rheumatoid arthritis (RA) patients exhibit several tumor cell-like characteristics; however, the role of glucose and glutamine metabolism(More)
BACKGROUND Endothelin-1 (ET-1) is important in the pathogenesis of systemic sclerosis (SSc). ET-1 binds two receptors, endothelin type A (ETA) and endothelin type B (ETB). Dual ETA/ETB receptor antagonists and a selective ETA receptor antagonist are used clinically to treat SSc, and the effect of these antagonists on fibroblast activation has been(More)
A 72-year-old man was diagnosed with rheumatoid arthritis (RA) and prior hepatitis B virus (HBV) infection. He began treatment with salazosulfapyridine (SASP). Several months later, his blood tests reflected a slightly elevated liver function. Serum tests were positive for hepatitis B surface antigen and HBV-DNA, and the diagnosis of de novo HBV hepatitis(More)
OBJECTIVE SKG mice develop interstitial lung disease (ILD) resembling rheumatoid arthritis-associated ILD (RA-ILD) in human. The aim of this study is to clarify the mechanism behind the lung pathology by analyzing the lung-infiltrating cells in ILD of SKG mice. METHODS We assessed the severity of zymosan A (ZyA)-induced ILD in SKG mice histologically, and(More)
Connective tissue diseases are chronic inflammatory diseases that can affect multiple organs and, thus, have a broad spectrum of clinical presentations. Various autoantibodies are detected in patients with connective tissue diseases, represented by anti-nuclear antibody for systemic lupus erythematosus (SLE), systemic sclerosis (SSc),(More)
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