PTEN inhibitor improves vascular remodeling and cardiac function after myocardial infarction through PI3k/Akt/VEGF signaling pathway

Author:

Feng Qiuting,Li Xing,Qin Xian,Yu Cheng,Jin Yan,Qian XiaojunORCID

Abstract

Abstract Background Myocardial infarction (MI) is the leading cause of death from cardiovascular disease (CVD). Currently, the efficacy for MI treatment remains unsatisfactory. Therefore, it is urgent to develop a novel therapeutic strategy. Methods Left anterior descending arteries (LAD) of mice were ligated to induce MI. Another set of mice were intravenously injected with PTEN inhibitor BPV (1 mg/kg) 1 h after LAD ligation and continued to receive BPV injection daily for the following 6 days. Mice were performed echocardiography 14 days after surgery. Results Mice in MI group displayed an increased expression of PTEN with impaired cardiac function, enhanced cardiomyocyte apoptosis and decreased angiogenesis. BPV treatment significantly improved cardiac function, with reduced cardiomyocyte apoptosis, promoted angiogenesis, and activated PI3K/Akt/vascular endothelial growth factor (VEGF) signaling pathway. Conclusion PTEN inhibitor BPV could effectively prevent myocardial infarction in mice, highlighting its potential as a candidate therapeutic drug.

Funder

Key Young Medical Talents Project in Jiangsu Province

the National Science Foundation of China

Natural Science Foundation of Jiangsu Province Grant

Publisher

Springer Science and Business Media LLC

Subject

Genetics(clinical),Genetics,Molecular Biology,Molecular Medicine

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