Add time:08/29/2019         Source:sciencedirect.com

Scoparone is a biologically active constituent isolated from Artemisia capillaris and possesses a variety of pharmacological activities, such as anti-inflammatory, anti-tumor, anti-allergic and anti-cardiovascular activities. However, there are no studies focusing on the effects of scoparone against cardiac fibrosis. Therefore, the aim of this study was to investigate the effects of scoparone on Angiotensin II (Ang II)-induced extracellular matrix (ECM) remodeling and its possible mechanism in cardiac fibroblasts (CFs). Our results demonstrated that scoparone effectively attenuated CFs proliferation in Ang II-stimulated CFs. Scoparone also prevented the differentiation of CFs to myofibroblasts and ECM proteins (type I collagen and fibronectin) expression in Ang II-stimulated CFs. Furthermore, scoparone prevented Ang II-induced the activation of TGF-β1/Smad signalling in CFs. Taken together, these studies indicated that scoparone attenuated Ang II-induced ECM remodeling in CFs, at least in part, by inhibiting TGF-β1/Smad signalling. These findings suggest that scoparone may be used a novel therapeutic agent against cardiac fibrosis.

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