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补阳还五汤及有效组分对大鼠增生血管内膜细胞外基质蛋白表达的影响 被引量:19

Effective components extracted from Buyang Huanwu decoction inhibited the expressions of extracellular matrix protein in rats
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摘要 目的:探讨补阳还五汤有效组分生物碱和苷对大鼠主动脉球囊损伤后增生内膜中细胞外基质(ECM)及其调节因子基质金属蛋白酶-9(MMP-9)、组织基质金属蛋白酶抑制物-1(TIMP-1)表达的影响,揭示该方作用的物质基础及其机制。方法:大鼠随机分为假手术组、模型组、生物碱治疗组、苷治疗组、补阳还五汤原方治疗组和阿托伐他汀治疗组,以球囊导管损伤主动脉内膜后第2d开始灌胃给药,连续14d,未次给药后第2d(术后第16d)取胸主动脉损伤段,以免疫组化法测定增生内膜中Ⅰ型胶原(Col-Ⅰ)、纤维连接蛋白(FN)、层黏连蛋白(LN)和MMP-9、TIMP-1的表达。结果:(1)模型组Col-Ⅰ表达增强(P<0.01);补阳还五汤原方治疗组、生物碱治疗组、苷治疗组和阿托伐他汀治疗组Col-Ⅰ表达显著低于模型组(P<0.01)。模型组FN表达增强(P<0.01);生物碱治疗组和阿托伐他汀治疗组FN表达强度显著低于模型组(P<0.01)。而各组LN表达强度的变化差异均无显著(P>0.05)。(2)模型组TIMP-1表达增强(P<0.05);生物碱治疗可使TIMP-1表达降低(P<0.05);而原方、苷和阿托伐他汀对TIMP-1表达的增强无显著影响(P>0.05)。模型组MMP-9表达无显著变化(P>0.05);生物碱治疗组、苷治疗组和阿托伐他汀治疗组MMP-9表达强度显著高于模型组(P<0.05);而补阳还五汤原方治疗组MMP-9表达无显著变化(P>0.05)。结论:补阳还五汤及其2种有效组分生物碱和苷可抑制增生内膜中Col-Ⅰ的表达,生物碱还可抑制FN的表达。生物碱和苷可增强MMP-9的表达,生物碱还可抑制TIMP-1的表达。提示补阳还五汤及其2种有效组分生物碱和苷可能通过抑制增生内膜中ECM的合成,促进ECM成分的清除和降解以对抗血管内膜增生。
出处 《中国病理生理杂志》 CAS CSCD 北大核心 2010年第1期169-173,共5页 Chinese Journal of Pathophysiology
基金 国家自然科学基金资助项目(No.30572301)
关键词 血管再狭窄 补阳还五汤 细胞外基质 胶原Ⅰ型 纤维蛋白类 层黏连蛋白 基质金属蛋白酶9 金属蛋白酶1组织抑制剂 Vascular restenosis Buyang huanwu decoction Extracellular matrix Collagen typeⅠ Fibronectins Laminin Matrix metalloproteinase - 9 Tissue inhibitor of metalloproteinase - 1
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