ArticleOxidative medicine and cellular longevity2022
Qishen Granule Protects against Doxorubicin-Induced Cardiotoxicity by Coordinating MDM2-p53-Mediated Mitophagy and Mitochondrial Biogenesis.
Article in Oxidative medicine and cellular longevity, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 14 citations in OpenAlex.
- Ubiquitin E3 Ligases and p53 in Doxorubicin-Induced Cardiotoxicity.International journal of molecular sciences · 2025Review
- Herb-drug interactions in oncology: pharmacodynamic/pharmacokinetic mechanisms and risk prediction.Chinese medicine · 2025Review
- AIG1 protects against doxorubicin-induced cardiomyocyte ferroptosis and cardiotoxicity by promoting ubiquitination-mediated p53 degradation.Theranostics · 2025Article
- Sarmentosin alleviates doxorubicin-induced cardiotoxicity and ferroptosisRedox report : communications in free radical research · 2024Article
- The mechanism and therapeutic strategies in doxorubicin-induced cardiotoxicity: Role of programmed cell death.Cell stress & chaperones · 2024Review
- Potential Effects of Traditional Chinese Medicine in Anti-Aging and Aging-Related Diseases: Current Evidence and Perspectives.Clinical interventions in aging · 2024Review
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Authors and funding
12 authors at 3 institutions in 1 country.
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Abstract
Doxorubicin (DOX), the anthracycline chemotherapeutic agent, is widely used for the treatment of various cancers. However, its clinical application is compromised by dose-dependent and fatal cardiotoxicity. This study is aimed at investigating the cardioprotective effects of Qishen granule (QSG) and the specific mechanism by which QSG alleviates DOX-induced cardiotoxicity (DIC) and providing an alternative for the treatment of DIC. We first evaluated the cardioprotective effects of QSG in a DIC mouse model, and the obtained results showed that QSG significantly protected against DOX-induced myocardial structural and functional damage, mitochondrial oxidative damage, and apoptosis. Subsequently, after a comprehensive understanding of the specific roles and recent developments of p53-mediated mitochondrial quality control mechanisms in DIC, we investigated whether QSG acted on MDM2 to regulate the activity of p53 and downstream mitophagy and mitochondrial biogenesis. The in vivo results showed that DOX inhibited mitochondrial biogenesis and blocked mitophagy in the mouse myocardium, while QSG reversed these effects. Mechanistically, we combined nutlin-3, which inhibits the binding of p53 and MDM2, with DOX and QSG and evaluated their influence on mitophagy and mitochondrial biogenesis in H9C2 cardiomyocytes. The obtained results showed that both DOX and nutlin-3 substantially inhibited mitophagy and mitochondrial biogenesis and induced mitochondrial oxidative damage and apoptosis, which could be partially recovered by QSG. Importantly, the immunoprecipitation results showed that QSG promoted the binding of MDM2 to p53, thus decreasing the level of p53 protein and the binding of p53 to Parkin. Collectively, QSG could promote the degradation of p53 by enhancing the binding of MDM2 to the p53 protein, resulting in the reduced binding of p53 to the Parkin protein, thus improving Parkin-mediated mitophagy. Increased degradation of p53 protein by QSG simultaneously enhanced mitochondrial biogenesis mediated by PGC-1
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