Int J Clin Exp Med 2016;9(4):7453-7461 www.ijcem.com /ISSN:1940-5901/IJCEM0017605. Review Article Hypericin protects against doxorubicin-induced dilated cardiomyopathy in rats via down-regulating expression of Cx43 and inhibiting of TNF-α, ET-1, BNP.