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Abstract Title:

Berberine Protects Against Simulated Ischemia/Reperfusion Injury-Induced H9C2 Cardiomyocytes Apoptosisand Myocardial Ischemia/Reperfusion-Induced Apoptosisby Regulating the Mitophagy-Mediated HIF-1α/BNIP3 Pathway.

Abstract Source:

Front Pharmacol. 2020 ;11:367. Epub 2020 Mar 27. PMID: 32292345

Abstract Author(s):

Na Zhu, Jiang Li, Yongli Li, Yuwei Zhang, Qiubo Du, Peiyuan Hao, Jinying Li, Xueming Cao, Li Li

Article Affiliation:

Na Zhu

Abstract:

Berberine (BBR) has a variety of pharmacological activities and is widely used in Asian countries. However, the clinical application of BBR still lacks scientific basis, what protective mechanism of BBR against myocardial ischemia-reperfusion injury (MIRI).experiments, BBR pretreatment regulated autophagy-related protein expression, induced cell proliferation and autophagosome formation, and reduced the mitochondrial membrane potential (ΔΨm) increase in H9C2 cells.experiments, BBR reduced the myocardial infarct size, decreased cardiomyocyte apoptosis, and markedly decreased myocardial enzyme (CK-MB, LDH, and AST) activity-induced I/R. In addition, upon BNIP3 knockdown, the regulatory effects of BBR on the above indicators were weakened both in H9C2 cells and. Luciferase reporter and ChIP assays indicated that BBR mediated BNIP3 expression by enhancing the binding of HIF-1α to the BNIP3 promoter. BBR protects against myocardial I/R injury by inducing cardiomyocytes proliferation, inhibiting cardiomyocytes apoptosis, and inducing the mitophagy-mediated HIF-1α/BNIP3 pathway. Thus, BBR may serve as a novel therapeutic drug for myocardial I/R injury.

Study Type : Animal Study

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