Article Publish Status: FREE
Abstract Title:

Astragaloside IV enhances cardioprotection of remote ischemic conditioning after acute myocardial infarction in rats.

Abstract Source:

Am J Transl Res. 2016 ;8(11):4657-4669. Epub 2016 Nov 15. PMID: 27904669

Abstract Author(s):

Songyi Cheng, Peng Yu, Li Yang, Haibo Shi, Anxia He, Hanyu Chen, Jie Han, Liang Xie, Jiandong Chen, Xiaohu Chen

Article Affiliation:

Songyi Cheng


BACKGROUND: Remote ischemic conditioning (RIC) has been shown to be a practical method for protecting the heart from ischemic/reperfusion (I/R) injury. In the present study, we investigated whether or not the combination of RIC and Astragaloside IV (AS-IV) could improve cardioprotection against acute myocardial infarction (AMI)-induced heart failure (HF) when compared with individual treatments.

MATERIAL AND METHODS: A rat model of AMI was established via permanent ligation of the left anterior descending coronary artery (LAD). Postoperatively, the rats were randomly grouped into a sham group (n=10), a model group (n=15), an AS-IV alone group (n=15), an RIC alone group (n=15) and a combined treatment group (AS-IV+RIC; n=15). All treatments were administered for 2 weeks.

RESULTS: After treatment for 2 weeks, the survival rate was improved, the cardiac function was preserved and the infarcted size was limited in AS-IV alone and RIC alone treatment groups compared to the model group, whereas the combined treatment yielded the most optimal protective effects. Additional studies suggested that AS-IV enhanced the cardioprotective effects of RIC by alleviating myocardial fibrosis, suppressing inflammation, attenuating apoptosis and ameliorating impairment of the myocardial ultrastructural.

CONCLUSION: AS-IV enhances the cardioprotective effects of RIC against AMI-induced HF and ventricular remodeling, which represents a potential therapeutic approach for preserving cardiac function and improving the prognosis of AMI.

Study Type : Animal Study
Additional Links
Pharmacological Actions : Cardioprotective : CK(3412) : AC(1032)

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