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We examined the in vitro and in vivo effects of a probiotic, Escherichia coli strain M-17 (EC-M17), on NF-kappaB signalling, cytokine secretion and efficacy in dextran sulfate sodium (DSS)-induced murine colitis. NF-kappaB signalling was assessed using an NF-kappaB luciferase reporter cell line that was stimulated with TNF-alpha (100 ng/ml). p65 Nuclear(More)
Vidofludimus (Vido) is a novel oral immunomodulatory drug that inhibits dihydro-orotate dehydrogenase and lymphocyte proliferation in vitro. Vido inhibits interleukin (IL)-17 secretion in vitro independently of effects on lymphocyte proliferation. Our primary goal was to evaluate the in vivo effects of Vido on IL-17 secretion and the parameters of(More)
BACKGROUND Recently, we found that the probiotic strain Bacillus coagulans GBI-30, 6086 (GanedenBC30) improved indices of Clostridium difficile (C. difficile)-induced colitis in mice (Fitzpatrick et al., Gut Pathogens, 2011). Our goal was to determine if BC30 could also prevent the recurrence of C. difficile-induced colitis in mice, following initial(More)
BACKGROUND Dihydroorotate dehydrogenase (DHODH) is a key enzyme involved in pyrimidine biosynthesis. DHODH is a known target for the treatment of autoimmune diseases. 4SC-101 is a novel immunosuppressive drug that inhibits DHODH. A goal of our study was to examine the in vitro effects of 4SC-101 on IL-17 production by mononuclear cells. In addition, we(More)
Low molecular mass polypeptide 2 (LMP2) is an inducible proteasome subunit. Our goals were to examine LMP2 expression in mice with dextran sulfate sodium (DSS)-induced colitis and to evaluate colitis in LMP2 knockout (LMP2-/-) mice. Mice were given 2.5% DSS in the drinking water. On day 0, 2, 4, or 6 after DSS treatment, LMP2 expression was determined in(More)
BACKGROUND Only a few studies have used models of inflammatory bowel disease (IBD) with weanling animals. Previously, the effects of probiotics have not been assessed in such IBD models. The objectives of our study were 2-fold: to establish a suitable model of dextran sulfate sodium (DSS)-induced colitis in weanling rats and to determine the effects of the(More)
BACKGROUND Probiotics have beneficial effects in rodent models of Clostridium difficile (C. diffiicle)-induced colitis. The spore forming probiotic strain Bacillus Coagulans GBI-30, 6086 (BC30) has demonstrated anti-inflammatory and immune-modulating effects in vitro. Our goal was to determine if BC30 improved C. difficile-induced colitis in mice. Starting(More)
PURPOSE Low molecular mass polypeptide 2 is an inducible immunoproteasome subunit. The expression of low molecular mass polypeptide 2 has not been examined in the intestine of patients with inflammatory bowel disease. This study was designed to determine whether the intestinal expression of low molecular mass polypeptide 2 was enhanced in a group of(More)
AIM AND OBJECTIVE : Chronic models of inflammatory bowel disease are lacking in preadult rodents. The primary goal of our study was to develop a chronic model of hapten-induced intestinal inflammation and fibrosis in young rats. Second, we aimed to determine the profiles of key Th-1, Th-2, and Th-17 proinflammatory and profibrotic cytokines, during the(More)