Calycosin Alleviates Doxorubicin-Induced Cardiotoxicity and Pyroptosis by Inhibiting NLRP3 Inflammasome Activation

上睑下垂 心脏毒性 炎症体 药理学 活性氧 化学 超氧化物歧化酶 氧化应激 线粒体ROS 谷胱甘肽过氧化物酶 体内 阿霉素 活力测定 毛花素 细胞凋亡 细胞生物学 生物化学 医学 生物 内科学 毒性 受体 大豆黄酮 生物技术 有机化学 芒柄花素 化疗 染料木素
作者
Lei Zhang,Cundong Fan,Huachen Jiao,Qian Zhang,Yuehua Jiang,Jie Cui,Yang Liu,Yong-Hao Jiang,Juan Zhang,Mengqi Yang,Yan Li,Yi‐Tao Xue
出处
期刊:Oxidative Medicine and Cellular Longevity [Hindawi Publishing Corporation]
卷期号:2022: 1-15 被引量:29
标识
DOI:10.1155/2022/1733834
摘要

Calycosin (CAL) is the main active component present in Astragalus and reportedly possesses diverse pharmacological properties. However, the cardioprotective effect and underlying mechanism of CAL against doxorubicin- (DOX-) induced cardiotoxicity need to be comprehensively examined. Herein, we aimed to investigate whether the cardioprotective effects of CAL are related to its antipyroptotic effect. A cardiatoxicity model was established by stimulating H9c2 cells and C57BL/6J mice using DOX. In vitro, CAL increased H9c2 cell viability and decreased DOX-induced pyroptosis via NLRP3, caspase-1, and gasdermin D signaling pathways in a dose-dependent manner. In vivo, CAL-DOX cotreatment effectively suppressed DOX-induced cytotoxicity as well as inflammatory and cardiomyocyte pyroptosis via the same molecular mechanism. Next, we used nigericin (Nig) and NLRP3 forced overexpression to determine whether CAL imparts antipyroptotic effects by inhibiting the NLRP3 inflammasome in vitro. Furthermore, CAL suppressed DOX-induced mitochondrial oxidative stress injury in H9c2 cells by decreasing the generation of reactive oxygen species and increasing mitochondrial membrane potential and adenosine triphosphate. Likewise, CAL attenuated the DOX-induced increase in malondialdehyde content and decreased superoxide dismutase and glutathione peroxidase activities in H9c2 cells. In vivo, CAL afforded a protective effect against DOX-induced cardiac injury by improving myocardial function, inhibiting brain natriuretic peptide, and improving the changes of the histological morphology of DOX-treated mice. Collectively, our findings confirmed that CAL alleviates DOX-induced cardiotoxicity and pyroptosis by inhibiting NLRP3 inflammasome activation in vivo and in vitro.
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