Between-group differences in perforation rates were not significant. Local recurrence rates in cases with curative resection were as follows: 0% (0/56) in ESD; 0% (0/27) in hybrid ESD; 1.4% (1/69) in EMR; and 12.1% (13/107) in EPMR; that
is, significantly higher in EPMR. No metastasis was seen at follow up. The recurrence rate for EPMR yielding ≥ three pieces was significantly high (P < 0.001). All 14 local recurrent lesions were adenomas that were click here cured endoscopically. Conclusions: As for safety, ESD/hybrid ESD is equivalent to EMR/EPMR. ESD/hybrid ESD is a feasible technique for en bloc resection and showed no local recurrence. Although local recurrences associated with EMR/EPMR were seen, which were conducted based on our indication criteria, all local recurrences could obtain complete cure by additional endoscopic treatment. “
“The aim of this study is to evaluate the effect of metformin on intestinal inflammation. COLO205 cells were pretreated with metformin and stimulated with tumor necrosis factor (TNF)-α. Expression of interleukin
(IL)-8 was determined by luciferase assay and real-time PCR. Inhibitor of kappaB (IκB) phosphorylation/degradation and adenosine monohosphate-activated protein kinase (AMPK) activity were evaluated by Western blotting. DNA-binding activity of transcription factor nuclear factor-kappaB (NF-κB) was assessed by electrophoretic RG-7388 mouse mobility shift assay. In an acute colitis model, Glycogen branching enzyme mice were given 4% dextran sulfate sodium (DSS) for 5 days. IL-10−/− mice were used to evaluate the effect of metformin on chronic colitis. In an inflamation-associated tumor model, mice were given a single intraperitoneal injection of azoxymethane followed by three cycles of 2% DSS for 5 days and 2 weeks of free water consumption. Metformin significantly inhibited IL-8 induction in COLO 205 cells stimulated with TNF-α. Metformin attenuated IκBα phosphorylation and NF-κB DNA-binding
activity. Administration of metformin significantly reduced the severity of DSS-induced colitis. In addition, DSS-induced IκB kinase (IKK) activation was significantly reduced in mice treated with metformin. Metformin significantly attenuated the severity of colitis in IL-10−/− mice, induced AMPK activity in intestinal epithelial cells, and inhibited the development of colitic cancer in mice. These results indicate that metformin suppresses NF-κB activation in intestinal epithelial cells and ameliorates murine colitis and colitis-associated tumorigenesis in mice, suggesting that metformin could be a potential therapeutic agent for the treatment of inflammatory bowel disease. “
“The pathogenesis of nonalcoholic steatohepatitis (NASH) and inflammasome activation involves sequential hits. The inflammasome, which cleaves pro–interleukin-1β (pro–IL-1β) into secreted IL-1β, is induced by endogenous and exogenous danger signals.
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