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Changes of Plasma MOT and Antroduodenal SP Expression in Rats with Functional Dyspepsia and Effect of Qingzhishu
Author(s): LI Zuo, LI Guocheng
Pages: 12-
14,15
Year: 2003
Issue:
1
Journal: CHINESE JOURNAL OF INTEGRATED TRADITIONAL AND WESTERN MEDICINE ON DIGESTION
Keyword: 肝胃不和; 消化不良; 功能性; 胃动素; P物质; 情志舒;
Abstract: 目的:观察肝胃不和型功能性消化不良(FD)大鼠胃和十二指肠运动功能、血浆胃动素(MOT)含量和胃肠壁P物质(SP)的表达,探讨肝胃不和型FD的发病机制及中药情志舒治疗肝胃不和型FD的可能机制.方法:将64只大鼠随机分为对照组、模型组、多潘立酮组及情志舒组;应力传感器记录大鼠胃和十二指肠移行性复合运动(MMC);放免法测定大鼠血浆MOT含量;PAP免疫组化法观察SP在胃窦壁和十二指肠壁的表达情况.结果:与模型组比较,情志舒组MMC周期缩短,Ⅲ相延长,频率加快,幅度升高,MMCⅢ相发生率增加,胃和十二指肠协调收缩率显著增加;MMCⅢ相时血浆MOT含量显著增加;胃肠壁SP免疫阳性产物表达也明显增强(P<0.01,<0.05).结论:胃肠MMCⅢ相异常、胃肠协调运动障碍可能是肝胃不和型FD的发病机制之一;肝胃不和型FD大鼠血浆MOT含量的降低和胃肠壁SP表达的降低可能是肝胃不和型FD发病的神经生物学基础;情志舒可能通过增加MMCⅢ相血浆MOT的释放和胃肠壁SP的表达,从而改善胃肠运动功能来治疗肝胃不和型FD.
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