人参皂苷Rh2通过VEGF/MMP-9信号通路抑制哮喘小鼠气道重塑的实验研究

被引:23
作者
崔勇 [1 ]
李世明 [1 ]
金燕 [2 ]
崔弘 [3 ]
姜京植 [3 ]
杨今实 [2 ]
延光海 [3 ]
郑明昱 [2 ]
机构
[1] 延边中医医院延吉市中医医院
[2] 延边大学中医学院
[3] 延边大学医学院
关键词
气道重塑; 人参皂苷Rh2; VEGF; MMP-9;
D O I
暂无
中图分类号
R285.5 [中药实验药理];
学科分类号
100806 [中药药理学];
摘要
目的:探讨人参皂苷Rh2对支气管哮喘小鼠气道重塑及VEGF和MMP-9信号通路的影响。方法:60只清洁级雌性BABL/c小鼠,随机数字表法分为6组,每组10只,分别为A组为生理盐水对照组、B组为卵蛋白(OVA)哮喘组、C组为人参皂苷Rh2低剂量组、D组人参皂苷Rh2高剂量组、E组为SU5416治疗组、F组为地塞米松治疗组。在末次激发24h后所有小鼠取左肺组织行苏木精-伊红(HE)染色、Masson三色染色、PAS染色。取右肺组织分别用酶联免疫吸附法(ELISA),RT-PCR和Westernblot检测支气管肺泡灌洗液(BALF)中IL-4、IL-5、IL-13含量以及VEGF和MMP-9 mRNA、蛋白表达。结果:哮喘模型组小鼠与对照组相比较BALF中炎症细胞计数、IL-4、IL-5、IL-13水平增高;肺组织VEGF和MMP-9 mRNA、蛋白表达水平均显著高于对照组(P<0.01)。人参皂苷Rh2干预组小鼠与哮喘模型组相比较BALF中炎症细胞计数、IL-4、IL-5、IL-13水平,VEGF和MMP-9 mRNA、蛋白表达水平均显著降低,具有显著差异(P<0.01),但2个不同治疗组之间上述各指标间差异无统计学意义(P>0.05)。结论:人参皂苷Rh2可抑制哮喘小鼠气道重塑的发生,其机制有可能部分是通过抑制VEGF/MMP-9信号通路而实现的。
引用
收藏
页码:1932 / 1935
页数:4
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