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Chinese Medicine Shensong Yangxin Capsule (参松养心胶囊) Ameliorates Myocardial Microcirculation Dysfunction in Rabbits with Chronic Myocardial Infarction

  • Chan Jiang
  • Xi WangEmail author
  • Song Dang
  • Xin Wang
  • Qing Deng
  • Juan Hu
  • Cong-xin Huang
Original Article
  • 7 Downloads

Abstract

Objective

To investigate the effect of Chinese compound Shensong Yangxin Capsule (参松养心 胶囊, SSYX) on myocardial microcirculation in myocardial-infarcted rabbits.

Methods

Myocardial infarction (MI) was established in rabbits by ligation of the left circumflfl ex coronary. Thirty rabbits were randomly divided into the control group, the MI group (model), and the MI treated with SSYX group (MI+SSYX) by a random number table method. After 4 weeks of administration, low-energy real-time myocardial contrast echocardiography (RT-MCE) was conducted to assess the microcirculatory perfusion. Immunoflfl uorescence double staining was used to detect the capillary density. The endothelial ultrastructure was observed with a transmission electron microscope. The mRNA expression levels of vascular endothelial growth factor (VEGF), endothelin 1 (ET-1), prostaglandin I2 (PGI2) and endothelial nitric oxide synthase (eNOS) were measured by real-time quantitative polymerase chain reaction (Real-time PCR). The plasmic levels of ET-1, thromboxane A2 (TXA2), nitric oxide (NO) and von willebrand factor (vWF) were examined with enzyme-linked immunosorbent assays (ELISA).

Results

SSYX signififi cantly improved the myocardial blood volume, myocardial micro bubble velocity, and myocardial inflfl ow according to the examination of RT-MCE, and it visibly ameliorated the capillary endothelial structure. Furthermore, compared with the MI group, the plasma levels of TXA2, ET-1 and vWF contents signififi cantly decreased in the MI+SSYX group, and the ET-1 mRNA expression levels of myocardium in the border zone significantly decreased, and the VEGF, PGI2 and eNOS mRNA expression levels signififi cantly increased (all P<0.05).

Conclusions

SSYX has favorable advantages in ameliorating the impaired myocardial microcirculation following MI. The mechanisms of the effect are related to the ability of SSYX in balancing the endothelial-derived vasodilators and vasoconstrictors, and up-regulating the expression of VEGF and eNOS.

Keywords

myocardial infarction microcirculation endothelium angiogenesis Shensong Yangxin Capsule 

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Copyright information

© Chinese Association of the Integration of Traditional and Western Medicine 2018

Authors and Affiliations

  • Chan Jiang
    • 1
    • 2
  • Xi Wang
    • 1
    • 2
    Email author
  • Song Dang
    • 1
    • 2
  • Xin Wang
    • 1
    • 2
  • Qing Deng
    • 1
    • 2
  • Juan Hu
    • 1
    • 2
  • Cong-xin Huang
    • 1
    • 2
  1. 1.Department of CardiologyRenmin Hospital of Wuhan UniversityWuhanChina
  2. 2.Cardiovascular Research Institute of Wuhan UniversityWuhanChina

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