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| 1 | 银杏内酯B在豚鼠肠缺血/再灌注损伤中对腹腔神经节神经元的保护作用显示文摘目的观察在豚鼠肠缺血/再灌注损伤(I/R)过程中,银杏内酯B(GB)对豚鼠离体腹腔神经节(CG)神经元的保护作用。方法 30只豚鼠随机分为三组,正常组、I/R组和I/R+GB组(2.5×10-4mol/L)。建立豚鼠肠I/R模型,通过细胞内生物电记录和应用HE染色技术观察GB对CG神经元的保护作用。结果模型组动物CG神经元损伤。胞内记录表明GB可不同程度地改善并恢复CG神经元的生理功能,使细胞膜电位趋于稳定;给予去极化方波刺激后,在正常组有70.1%(61/87)细胞产生动作电位,I/R组仅有12%(3/25)产生动作电位,I/R+GB组有42.4%(20/48)细胞发生去极化,31.2%(15/48)细胞产生动作电位(P<0.05)。HE染色观察,在灌流GB后,CG神经元数量明显多于I/R组(P<0.05)。结论银杏内酯B在肠缺血/再灌注损伤中对豚鼠离体CG神经元具有一定的保护作用。 | 孙庆 孔德虎 胡金兰 马嵘 | 2010 | 安徽医科大学学报2010，45，3： | 0 |
| 2 | Lubiprostone:Clinical applications beyond constipation显示文摘In comparison to polyethylene glycol,lubiprostone offers other advantages and is increasingly being used as an adjunctive agent in diagnostic as well as management strategies not only in gastroenterology, but in other fields.For instance,lubiprostone exerts beneficial effects in cystic fibrosis tissues.It augmernts the chloride secretion in these cells by activating non-cystic fibrosis transmembrane regulator(CFTR) secretion of chloride by afflicted respiratory epithelia. Lubiprostone also seems to improve visualization of the gastrointestinal tract during procedures such as colonoscopy.This is especially true if the lubiprostone is administered prior to bowel cleansing with agents such as polyethylene glycol electrolyte(PEG-E). Lubiprostone also enhances and stimulates contraction in colonic as well as gastric muscles and may thus further contribute as a prokinetic agent.Besides these effects,lubiprostone also causes hyperpolarization in other tissues such as uterine muscle cells.This may prove to be of significant clinical benefit in the management of uterine pathologies in the near future. | Shailendra Kapoor | 2009 | World Journal of Gastroenterology2009，15，9： | 0 |
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