Effect of Reinforcing Qi and Activating Blood Recipe on Ventricular Remodeling in Rats with Chronic Heart Failure and Mechanisms Involved

Zi-han FANG; Ying-yu XIE; Ming-yang WANG; Ya-nan WANG; Yuan-fang LI; Huai-yu MU; Jun-ping ZHANG

doi:10.13422/j.cnki.syfjx.20200104

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Effect of Reinforcing Qi and Activating Blood Recipe on Ventricular Remodeling in Rats with Chronic Heart Failure and Mechanisms Involved

Pharmacology | 更新时间：2021-02-09

- Effect of Reinforcing Qi and Activating Blood Recipe on Ventricular Remodeling in Rats with Chronic Heart Failure and Mechanisms Involved
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 26, Issue 4, Pages: 82-87(2020)
- 作者机构：
  
  1.天津中医药大学，天津　 301617
  2.天津中医药大学　第一附属医院，天津　 300381
- 作者简介：
- 基金信息：
- DOI：10.13422/j.cnki.syfjx.20200104
  CLC： R2-0; R22; R285.5; R289
- Received：09 June 2019，
  
  Published Online：12 September 2019，
  
  Published：20 February 2020
- 稿件说明：
移动端阅览
Zi-han FANG, Ying-yu XIE, Ming-yang WANG, et al. Effect of Reinforcing Qi and Activating Blood Recipe on Ventricular Remodeling in Rats with Chronic Heart Failure and Mechanisms Involved[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(4): 82-87.
DOI：

Zi-han FANG, Ying-yu XIE, Ming-yang WANG, et al. Effect of Reinforcing Qi and Activating Blood Recipe on Ventricular Remodeling in Rats with Chronic Heart Failure and Mechanisms Involved[J]. Chinese journal of experimental traditional medical formulae, 2020, 26(4): 82-87. DOI： 10.13422/j.cnki.syfjx.20200104.

摘要

目的：

观察益气活血方对慢性心力衰竭模型大鼠心脏结构变化的影响，并从线粒体动力学和分泌型糖蛋白(Wnt)/

-链蛋白(

-catenin)通路探讨其作用机制。

方法：

40只雄性SD大鼠随机选取10只为假手术组，其余行左冠状动脉前降支结扎术构建慢性心力衰竭(CHF)大鼠模型，造模完成后随机分为模型组、卡托普利组和益气活血组，每组10只。给药组分别予以卡托普利片13.5 mg·kg

-1

·d

-1

，益气活血颗粒20 g·kg

-1

·d

-1

灌胃给药，干预8周后取心脏组织，称取体质量与心脏质量结合超声心动图检测心脏结构变化情况，行马松(Masson)染色测定心肌间质胶原容积分数，应用蛋白免疫印迹法(Western blot)检测心肌线粒体融合蛋白视神经萎缩相关蛋白1(Opa1)，分裂蛋白线粒体动力相关蛋白1(Drp1)的表达水平，应用实时荧光定量聚合酶链式反应(Real-time PCR)检测Wnt/

-catenin通路相关因子低密度脂蛋白受体相关蛋白6(LRP6)，糖原合成酶激酶-3

(GSK-3

)，

-catenin mRNA的表达。

结果：

与假手术组比较，模型组左心室壁明显增厚(

0.05)，心腔明显扩大、心肌间质胶原含量升高(

0.01)；Opal表达水平降低，Drp1表达水平升高(

0.01)，LRP6，GSK-3

，

-catenin的mRNA表达量升高(

0.01)。与模型组比较，益气活血组可减轻室壁增厚和心腔扩大(

0.05，

0.01)，降低心肌间质胶原含量(

0.05)；上调Opa1的低表达、下调Drpl的高表达、下调LRP6，GSK-3

，

-catenin的高表达(

0.01)，作用效果优于或不劣于卡托普利组。

结论：

益气活血方可有效减轻慢性心力衰竭大鼠心室重构、改善线粒体能量代谢，其机制可能与抑制Wnt/

-catenin的相关因子的表达相关。

Abstract

Objective:

To observe the intervention effect of Yiqi Huoxue recipe (YQHX) on ventricular remodeling in rats with chronic heart failure

in order to explore its mechanism.

Method:

Among 40 male SD rats

10 were randomly selected as the sham operation group. The left anterior descending coronary artery ligation was performed to construct the chronic heart failure(CHF) rat model. After modeling

they were randomly divided into model group

captopril group(13.5 mg·kg

-1

·d

-1

) and YQHX group (20 g·kg

-1

·d

-1

)

and orally given the corresponding drugs. After 8 weeks of intervention

cardiac tissues were collected

body mass and heart mass were weighed

and echocardiography were performed to detect the changes in cardiac structure. Masson staining was performed to determine the myocardial interstitial collagen volume fraction. Western blot was used to detect the expression levels of mitochondrial fusion protein optic atrophy 1 (Opa1) and cleavage protein dynamic-related protein 1 (Drpl). The quantitative real-time fluorescence polymerase chain reaction(Real-time PCR)was applied to detect the expressions of Wnt/

-catenin pathway-related factors such as lipoprotein receptor-related protein 6 (LRP6)

glycogen synthase kinase-3

(GSK-3

) and

-catenin.

Result:

Compared with the sham group

the left ventricular wall of the model group was significantly thickened (

0.05)

the cardiac cavity was significantly enlarged

and the content of collagen in the myocardial interstitium was increased (

0.01). The expression level of Opal decreased

the expression level of Drp1 increased (

0.05)

the mRNA expression level of LRP6

GSK-3

and

-catenin increased (

0.01). Compared with the model group

YQHX group can reduce ventricular wall thickening

heart chamber enlargement

myocardial interstitial collagen content

up-regulate the low expression of Opa1

but down-regulate the high expressions of Drpl

LRP6

GSK-3

-catenin(

0.05

0.01).

Conclusion:

YQHX can effectively alleviate ventricular remodeling and improve mitochondrial energy metabolism in rats with CHF. The mechanism may be related to the inhibition of Wnt/

-catenin related factors.

关键词

Keywords

references

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