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Int J Biol Sci 2020; 16(11):1972-1988. doi:10.7150/ijbs.39259 This issue Cite

Research Paper

Protective role of silibinin against myocardial ischemia/reperfusion injury-induced cardiac dysfunction

Yi-He Chen1*✉, Hui Lin2*, Qian Wang3, Jian-Wen Hou3, Zhi-Jie Mao1, Yi-Gang Li3

1. Department of Cardiology, The First Affiliated Hospital of Wenzhou Medical University, 325000, Nanbaixiang, Wenzhou, Zhejiang, China.
2. Department of Respiratory, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 325000, Wenzhou, Zhejiang, China.
3. Department of Cardiology, Affiliated Xinhua Hospital, Shanghai Jiaotong University (SJTU) School of Medicine, Shanghai, China.
*The authors contributed equally to this article.

✉ Corresponding author: Yi-He Chen, MD, PhD. Tel +86 577 55578166, Fax +86 577 55578033, E-mail address: chenyiheedu.cn

Citation:
Chen YH, Lin H, Wang Q, Hou JW, Mao ZJ, Li YG. Protective role of silibinin against myocardial ischemia/reperfusion injury-induced cardiac dysfunction. Int J Biol Sci 2020; 16(11):1972-1988. doi:10.7150/ijbs.39259. https://www.ijbs.com/v16p1972.htm
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Abstract

Graphic abstract

Silibinin is a traditional medicine and utilized for liver protection with antioxidant, anti-inflammation and anti-apoptosis properties. However, its role in myocardial I/R injury and the mechanism involved is currently unknown. In the present study, Silibinin treatment improves cardiac function and limits infarct size, and subsequently inhibits fibrotic remodeling in mice with myocardial I/R injury. Mechanistically, silibinin reduces cardiomyocytes apoptosis, attenuates mitochondrial impairment and endoplasmic reticulum (ER) stress, alleviates ROS generation, neutrophil infiltration and cytokines release. Consistently, silibinin prevents H9C2 cells from hypoxia/reperfusion-induced cell death, oxidative stress and inflammation in vitro. Furthermore, H9C2 cells treated with silibinin blocks NF-κB signaling activation by inhibiting IKKα phosphorylation, IκBα degradation and p65 NF-κB nuclear translocation during hypoxia/ reperfusion. In addition, silibinin plus BAY 11-7082 (a selected NF-κB inhibitor) do not provide incremental benefits in improving myocytes apoptosis, oxidative stress and inflammation in comparison with NF-κB signaling inhibition only. Thus, silibinin-mediated cardioprotection in myocardial I/R injury is associated with decreased apoptosis, oxidative stress and inflammatory response through deactivation of NF-κB pathway.

Keywords: Myocardial I/R injury, Silibinin, Apoptosis, Oxidative stress, Inflammation, NF-κB

Citation styles

APA
Chen, Y.H., Lin, H., Wang, Q., Hou, J.W., Mao, Z.J., Li, Y.G. (2020). Protective role of silibinin against myocardial ischemia/reperfusion injury-induced cardiac dysfunction. International Journal of Biological Sciences, 16(11), 1972-1988. https://doi.org/10.7150/ijbs.39259.

ACS
Chen, Y.H.; Lin, H.; Wang, Q.; Hou, J.W.; Mao, Z.J.; Li, Y.G. Protective role of silibinin against myocardial ischemia/reperfusion injury-induced cardiac dysfunction. Int. J. Biol. Sci. 2020, 16 (11), 1972-1988. DOI: 10.7150/ijbs.39259.

NLM
Chen YH, Lin H, Wang Q, Hou JW, Mao ZJ, Li YG. Protective role of silibinin against myocardial ischemia/reperfusion injury-induced cardiac dysfunction. Int J Biol Sci 2020; 16(11):1972-1988. doi:10.7150/ijbs.39259. https://www.ijbs.com/v16p1972.htm

CSE
Chen YH, Lin H, Wang Q, Hou JW, Mao ZJ, Li YG. 2020. Protective role of silibinin against myocardial ischemia/reperfusion injury-induced cardiac dysfunction. Int J Biol Sci. 16(11):1972-1988.

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