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OBJECTIVE Although both innate and adaptive responses to microbiota have been implicated in the pathogenesis of IBD, it is still largely unknown how they are regulated during intestinal inflammation. In this report, we investigated the role of microRNA (miR)-10a, a small, non-coding RNA, in the regulation of innate and adaptive responses to microbiota in(More)
A recent genome-wide SNP association study identified IRF4 as a major susceptibility gene for chronic lymphocytic leukemia (CLL). Moreover, the SNPs located in the 3' UTR of the IRF4 gene have been linked to a down-regulation of IRF4. However, whether a low level of IRF4 is critical for CLL development remains unclear. New Zealand Black (NZB) mice are a(More)
OBJECTIVE MicroRNA (miR)-301a is known to be involved in the tumourigenesis and pathogenesis of several autoimmune diseases, but it remains unclear whether miR-301a is associated with the pathogenesis of IBD. METHODS miR-301a expression was assessed in peripheral blood mononuclear cells (PBMC) and inflamed mucosa of patients with IBD by quantitative(More)
The royal sun mushroom, Agaricus brasiliensis is a widely consumed mushroom around the world. In this study, the immunoregulatory potential of A. brasiliensis polysaccharides was investigated in vitro and in vivo. In vivo, the polysaccharides remarkably increased the spleen and thymus indexes in mice, and this effect was influenced significantly by age (the(More)
BACKGROUND Inflammatory bowel disease (IBD) is characterized by excessive immune responses to altered intestinal microbiota in genetically susceptible individuals. The diagnosis of IBD depends on clinical, endoscopic, histological, radiological and biochemical criteria, which may be invasive, time consuming and usually not accepted by patients with IBD. (More)
Divalent metal-ion transporter 1 (DMT1) has been found to play an important role in the iron metabolism and hemogenesis. However, little is known about the potential role of DMT1 in the pathogenesis of anemia from patients with inflammatory bowel disease (IBD). Herein, we investigated expression of DMT1 in the intestinal mucosa by quantitative real-time(More)
BACKGROUND & AIMS Intestinal tissues from patients with inflammatory bowel disease (IBD) and colorectal cancer have increased expression of microRNA-301a (MIR301A) compared with tissues from patients without IBD. We studied the mechanisms of MIR301A in the progression of IBD in human tissues and mice. METHODS We isolated intestinal epithelial cells (IECs)(More)
Background. Inflammatory bowel diseases (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), are chronically remittent and progressive inflammatory disorders. Phospholipase D2 (PLD2) is reported to be involved in the pathogenesis of several inflammatory diseases. However, the exact role of PLD2 in IBD is obscure. Methods. PLD2 expression was(More)
BACKGROUND Neutrophils are accumulated in inflamed mucosa of IBD and play an important role in the pathogenesis. CD177 is expressed in neutrophils specifically and upregulated during inflammation. However, the role of CD177+ neutrophils in pathogenesis of IBD remains elusive. MATERIALS AND METHODS Expression of CD177 was analysed in peripheral blood and(More)
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