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BACKGROUND & AIMS Mucosal natural killer (NK) cells that produce interleukin (IL)-22 mediate intestinal homeostasis and inflammation in mice. However, their role in the pathogenesis of human inflammatory bowel diseases (IBDs) is not known. We investigated intestinal NK cells in intestinal mucosa samples of patients with Crohn's disease (CD). METHODS We(More)
Lamina propria macrophages (LPMs) spontaneously produce large amounts of anti-inflammatory IL-10 and play a central role in regulation of immune responses against commensal bacteria. MCP-1 is a chemokine that plays an important role in recruitment of monocytes and macrophages to inflamed tissues. We demonstrated that, in addition to IL-10, LPMs produced(More)
Mice that lack the p85alpha regulatory subunit of phosphatidylinositol-3 kinase (PI3K) are deficient in gastrointestinal and peritoneal mast cells but have dermal mast cells. Accordingly, these mice show impaired bacterial clearance in response to acute septic peritonitis and are highly susceptible to infection by the intestinal nematode Strongyloides(More)
BACKGROUND Tumor necrosis factor (TNF)-like protein 1A (TL1A) is a member of the TNF superfamily and contributes to the pathogenesis of Crohn's disease (CD) by stimulating T-helper (Th) 1 cells. In addition to Th1, recent studies have focused on the role of Th17 cells in the pathogenesis of CD. Here we tried to clarify the role of TL1A in Th1 and Th17(More)
Dendritic cells (DCs) are known as antigen-presenting cells and play a central role in both innate and acquired immunity. Peripheral blood monocytes give rise to resident and recruited DCs in lymph nodes and non-lymphoid tissues. The ligands of nuclear hormone receptors can modulate DC differentiation and so influence various biological functions of DCs.(More)
BACKGROUND The endocytoscopy system (ECS) is a new method to provide real-time super-magnifying microscopic imaging in vivo. Routine diagnosis of amebic colitis requires multiple tests that are both time consuming and costly. OBJECTIVE To determine the feasibility of ECS to directly detect the amebic parasites in vivo. DESIGN Prospective, single-center,(More)
OBJECTIVE This study aimed to predict the 6-year incidence of metabolic syndrome (MetS) using an artificial neural network (ANN) system and multiple logistic regression (MLR) analysis based on clinical factors, including the insulin resistance index calculated by homeostasis model assessment (HOMA-IR). DESIGN Subjects were recruited from participants in(More)
New-onset diabetes after transplantation (NODAT) is a serious complication after kidney transplantation. Obesity was widely identified as a modifiable risk factor for NODAT. Body mass index (BMI) is the most frequently used diagnostic indication of obesity, and higher pretransplant BMI has been reported to be an independent risk factor of NODAT. However,(More)
Catamenial hemoptysis is a rare condition, and only 36 cases have been reported since the first published case. We describe a woman with catamenial hemoptysis recurring over 8 years. The lesion was diagnosed using chest CT scan during menses and was also visualized clearly via thoracoscopy. The patient was treated successfully with a partial resection of(More)
BACKGROUND Hepatic hydrothorax is defined as a pleural effusion that arises in patients with cirrhosis of the liver and no cardiopulmonary disease; it is believed to result from peritoneopleural communication through a defect in the diaphragm. METHODS Nine patients underwent thoracoscopic pleurodesis. The diaphragmatic defect was detected and corrected in(More)