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黄连素通过ROS/ERK1/2通路抗幽门螺旋杆菌相关性胃炎的实验研究

Traditional Chinese Medicine Journal(2017)

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Abstract
目的:从抗氧化应激、调节ERK1/2蛋白表达方面来探讨黄连素抗幽门螺旋杆菌(HP)相关性胃炎胃黏膜损伤、保护胃黏膜的作用机制.方法:建立HP相关性胃炎大鼠模型,随机分成正常组、正常+黄连素组、模型组和模型+黄连素组.正常+黄连素组与模型+黄连素组用黄连素配合0.5%羧甲基纤维素钠溶液制成浓度为100 mg/ml的混悬液,正常组和模型组用0.5%的羧甲基纤维素钠溶液,四组均按2 ml/(kg·d)体积灌胃,连续给药4周.Wester Blot法检测NOX2、NOX4、SOD、iNOS、ERK1/2的蛋白含量.结果:黄连素能显著降低HP相关性胃炎大鼠胃黏膜的NOX2、NOX4、iNOS、ERK1/2蛋白含量,增加SOD的含量.结论:黄连素可能是通过ROS/ERK1/2通路抗HP相关性胃炎胃黏膜损伤、保护胃黏膜的.
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