舒胃汤对功能性消化不良大鼠胃排空、胃动素和P物质表达的影响

World Journal of Integrated Traditional and Western Medicine(2011)

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Abstract
目的 观察舒胃汤对功能性消化不良(FD)大鼠胃排空、胃动素(MTL)和P物质(SP)表达的影响,探讨其可能的作用机制.方法 采用不规则喂养配合夹尾刺激法制作大鼠FD模型,随机分成对照组、模型组、舒胃汤高剂量组、舒胃汤低剂量组、多潘立酮组、木香顺气组六组,连续给药14 d后,用放射免疫法检测血浆SP水平,免疫组化法检测胃窦MTL阳性表达,以酚红法观察胃排空.结果 与对照组相比,模型组胃排空和血浆SP水平显著降低,胃窦组织MTL阳性表达显著降低,差异均有统计学意义(P<0.05);与模型组相比,舒胃汤高剂量组、木香顺气组及多潘立酮组胃排空和SP水平、MTL表达显著升高,差异均有统计学意义(P<0.05).结论 舒胃汤可能通过提高MTL表达、SP水平来促进胃排空,是其治疗FD的作用机制之一.
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Key words
Substance P(SP),Gastric empting,Motilin(MTL),Functional dyspepsia(FD),Shuwei decoction
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