Rutin Attenuates Pirarubicin-Induced Cardiomyocyte Injury by Knocking Down lncRNA Miat

IF 3.2 3区医学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY

Journal of Biochemical and Molecular Toxicology Pub Date : 2025-01-26 DOI:10.1002/jbt.70144

Peng Huang, Kaixu Yan, Wenqing Zhang, Jiahua Ji, Dexian Wei, Wentao Zheng, Lu Li, Liqun Ren

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Abstract

Pirarubicin (THP) is a widely used chemotherapeutic agent for breast cancer, but its clinical use is limited by its cardiotoxicity. In our previous study, we found that rutin (RUT), the main active ingredient in the traditional Chinese medicine Sophora japonica, could attenuate THP-induced cardiotoxicity. The aim of this study was to further investigate the potential role and mechanism of RUT in attenuating THP-induced cardiotoxicity. We examined the expression of lncRNA Miat in mouse cardiomyocytes (HL-1) under the intervention of THP/THP + RUT, respectively. Then we evaluated the protective effect of RUT on THP-induced HL-1 by CCK8, TUNEL, reactive oxygen species (ROS) assay and Western Blot. The mediating role of lncRNA Miat was verified by transfection of overexpression lncRNA Miat plasmid. The results showed that RUT increased cell viability, inhibited apoptosis, reduced ROS accumulation and decreased calcium overload in THP-induced HL-1. While overexpression of Miat significantly abrogated the therapeutic effect of rutin. In conclusion, RUT attenuates THP-induced myocardial injury by downregulating lncRNA Miat.

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来源期刊

Journal of Biochemical and Molecular Toxicology 生物-毒理学

CiteScore

5.80

自引率

2.80%

发文量

277

审稿时长

6-12 weeks

期刊介绍： The Journal of Biochemical and Molecular Toxicology is an international journal that contains original research papers, rapid communications, mini-reviews, and book reviews, all focusing on the molecular mechanisms of action and detoxication of exogenous and endogenous chemicals and toxic agents. The scope includes effects on the organism at all stages of development, on organ systems, tissues, and cells as well as on enzymes, receptors, hormones, and genes. The biochemical and molecular aspects of uptake, transport, storage, excretion, lactivation and detoxication of drugs, agricultural, industrial and environmental chemicals, natural products and food additives are all subjects suitable for publication. Of particular interest are aspects of molecular biology related to biochemical toxicology. These include studies of the expression of genes related to detoxication and activation enzymes, toxicants with modes of action involving effects on nucleic acids, gene expression and protein synthesis, and the toxicity of products derived from biotechnology.