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Electrolytic lesion of nucleus tractus solitarius weakens effects of electroacupuncturing Zusanli in treatment of gastric stress ulcer in rats

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Author:
No author available
Journal Title:
WORLD CHINESE JOURNAL OF DIGESTOLOGY
Issue:
12
DOI:
10.3969/j.issn.1009-3079.2006.12.016
Key Word:
孤束核;电损毁;电针;应激性胃溃疡

Abstract: 目的:探讨孤束核(NTS)在电针(EA)足三里穴抗大鼠应激性胃溃疡中的作用.方法:健康♂ SD大白鼠56只随机分为应激组、EA+应激组、NTS电损毁组、NTS假损毁组.通过脑立体定向仪电损毁大鼠孤束核,采用束缚-浸水制备大鼠应激性胃溃疡模型,分别测定各组胃黏膜损伤指数(UI)、超氧化物歧化酶(SOD)活性、丙二醛(MDA)含量.结果:与应激组比较,EA+应激组UI明显减少(t=9.5071,P<0.01),SOD活性升高(t=3.8729,P<0.01),MDA降低(t=2.3578,P<0.05).NTS电损毁组分别与假损毁组和EA+应激组比较UI提高(t=4.4223,7.2579,均P<0.01),SOD活性降低(t=3.5625,3.7242,均P<0.01),MDA含量升高(t=2.9045,2.4960,均P<0.05).结论:电损毁孤束核后,电针足三里穴对应激性胃黏膜损伤的保护作用减弱.

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