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1篇 您的检索式：作者名="Birgit Roerig"

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		题名	作者	年代	出处	被引量
	1	Comparison of the chloride channel activator lubiprostone and the oral laxative Polyethylene Glycol 3350 on mucosal barrier repair in ischemic-injured porcine intestine显示文摘AIM: To investigate the effects of lubiprostone and Polyethylene Glycol 3350 (PEG) on mucosal barrier repair in ischemic-injured porcine intestine. METHODS: Ileum from 6 piglets (approximately 15 kg body weight) was subjected to ischemic conditions by occluding the local mesenteric circulation for 45 min in vivo. Ileal tissues from each pig were then harvested and mounted in Ussing chambers and bathed in oxygenated Ringer's solution in vitro. Intestinal barrier function was assessed by measuring transepithelial electrical resistance (TER) and mucosal-to-serosal fluxes of 3H-mannitol and 14C-inulin. Statistical analyses of data collected over a 120-min time course included 2-way ANOVA for the effects of time and treatment on indices of barrier function. RESULTS: Application of 1 μmol/L lubiprostone to the mucosal surface of ischemic-injured ileum in vitro induced significant elevations in TER compared to non-treated tissue. Lubiprostone also reduced mucosal-to-serosal fluxes of 3H-mannitol and 14C-inulin. Alternatively,application of a polyethylene laxative (PEG,20 mmol/L) to the mucosal surface of ischemic tissues significantly increased flux of 3H-mannitol and 14C-inulin. CONCLUSION: This experiment demonstrates that lubiprostone stimulates recovery of barrier function in ischemic intestinal tissues whereas the PEG laxative had deleterious effects on mucosal repair. These results suggest that,unlike osmotic laxatives,lubiprostone stimulates repair of the injured intestinal barrier.	Adam J Moeser Prashant K Nighot Birgit Roerig Ryuji Ueno Anthony T Blikslager	2008	World Journal of Gastroenterology2008，14，39：	2

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