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联用芝麻素和维生素E抑制PI3K/AKT信号通路改善自发性高血压大鼠的左室纤维化(英文)

发布时间:2021-08-29 03:36
  目的:观察芝麻素(Ses)和维生素E(Vit E)联用对自发性高血压大鼠(SHRs)左心室纤维化的影响,并探讨其可能机制。方法:14周龄雄性SHRs随机分为Ses和Vit E联用组(160+10 mg·kg-1·d-1、Ses组(160 mg·kg-1·d-1)、Vit E组(10mg·kg-1·d-1)及SHRs组,另设正常对照WKY组,每组7只,1次/d持续灌胃给药10周。采用尾袖法测定大鼠给药前和给药10周后的收缩压。末次给药后取左心室,计算脏器指数,Masson染色观察胶原沉积,分析心肌胶原容积分数(CVF),Western blot观察Ⅰ型胶原(collagenⅠ)、Ⅲ型胶原(collagenⅢ)、转化生长因子β1(TGF-β1)、结缔组织生长因子(CTGF)、基质金属蛋白酶-9(MMP-9)、基质金属蛋白酶抑制剂-1(TIMP-1)、磷酸化蛋白激酶B(p-AKT)、蛋白激酶B(AKT)和磷酸肌醇3激酶... 

【文章来源】:中国临床药理学与治疗学. 2020,25(11)CSCD

【文章页数】:9 页

【文章目录】:
1 MATERIAL AND METHODS
    1.1 Drugs,reagents and instruments
    1.2 Experimental animals
    1.3 Grouping of experimental animals
    1.4 Measurement of systolic blood pressure
    1.5 Measurement of cardiac index (HW/BW)and left ventricular mass index (LVW/HW)
    1.6 MASSON staining and determination of cardiac fibrosis
    1.7 Western blot analysis
    1.8 Statistical analysis
2 RESULTS
    2.1 Effect of sesamin combined with vitamin E on SBP in SHRs
    2.2 Effect of sesamin combined with vitamin E on HW/BW and LVW/HW in SHRs
    2.3 Effect of sesamin combined with vitamin E on CVF in SHRs
    2.4 Effect of sesamin combined with vitamin Eon left ventricular collagen I and collagen III protein in SHRs
    2.5 Effect of sesamin combined with vitamin Eon left ventricular TGF-β1,CTGF,MMP-9 and TIMP-1 protein in SHRs
    2.6 Effect of sesamin combined with vitamin Eon left ventricular p-AKT,AKT and PI3K protein in SHRs
3 DISCUSSION


【参考文献】:
期刊论文
[1]芝麻素与维生素E联用对代谢综合征大鼠心肌损伤的协同保护作用[J]. 杨解人,黄凯,郭莉群,周勇,吴向起,熊克仁,陈国祥.  中药药理与临床. 2009(05)



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