Abstract
Phytomedicine has shown a promising potential for the prevention of cardiovascular system diseases and disorders. This study aimed to evaluate protective effect of ergosterol (ER) on isoproterenol (ISO)-induced myocardial cardiotoxicity. We found that pretreatment with ER significantly decreased levels of myocardial CK-MB and LDH, and alleviated myocardial damage induced by ISO in rat model. In addition, ER restored Nrf2 and HO-1 expression and inhibited apoptosis through upregulating Bcl-2 and downregulating Bax, cytochrome c, cleaved caspase-3, caspase-9, and PARP in rat hearts. Hypoxia-reoxygenation model in H9C2 cells confirmed the cardioprotective effects of ER. In conclusion, we provide both in vitro and in vivo evidence that ER significantly enhances Nrf2-mediated anti-oxidative activities, and exerts a protective effect on cardiomyocyte apoptosis. ER could be considered as a potential therapeutic agent to prevent myocardial injury.
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25 May 2023
This article has been retracted. Please see the Retraction Notice for more detail: https://doi.org/10.1007/s12012-023-09796-4
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This study was supported in part by the National Natural Science Foundation of China (81700346) and the Natural Foundation of Jiangsu Province (BK20160549).
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QX, SL, YG, LJ, and CD performed in vivo and in vitro experiments and collected the data; JS designed the study and wrote the manuscript.
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Xie, Q., Li, S., Gao, Y. et al. RETRACTED ARTICLE: Ergosterol Attenuates Isoproterenol-Induced Myocardial Cardiotoxicity. Cardiovasc Toxicol 20, 500–506 (2020). https://doi.org/10.1007/s12012-020-09574-6
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DOI: https://doi.org/10.1007/s12012-020-09574-6