桂枝茯苓胶囊对子宫腺肌病小鼠病灶组织MMP-2、MMP-7的影响
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Abstract
目的:探讨桂枝茯苓胶囊治疗子宫腺肌病(Adenomyosis,以下简称Ad)的实验依据。方法:将7周龄雌性BALB/c小鼠随机分为正常组、模型组、中药组和西药组,除正常组以外,对其他3组小鼠行经腹同种异体垂体宫腔移植手术,术后正常组和模型组小鼠灌胃蒸馏水,中药组灌胃桂枝茯苓胶囊,西药组灌胃孕三烯酮,用药3个月,停药后继续饲养3个月,并行病理切片HE染色和基质金属蛋白酶-2(MMP-2)、MMP-7免疫组化测定。结果:小鼠Ad发病率模型组(90.0%)〉中药组(75.0%)〉西药组(69.2%)〉正常组(0.0%),且MMP-2和MMP-7在动情间期子宫内膜的表达强于动情期,在模型组Ad病灶中的表达最强,和正常组相比差异显著(P〈0.05),在中药组中的表达有所下降,在西药组中的表达更低,与模型组差异显著(P〈0.05)。结论:采用BALB/c系小鼠行经腹同种异体垂体移植术可以作为建立Ad动物模型的理想方法,桂枝茯苓胶囊能降低小鼠Ad的发生率,其作用机理与调节MMP-2、MMP-7蛋白表达水平有关。
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