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Abstract Title:

Piperlongumine inhibits angiotensin II-induced extracellular matrix expression in cardiac fibroblasts.

Abstract Source:

J Cell Biochem. 2018 Dec ;119(12):10358-10364. Epub 2018 Aug 26. PMID: 30145839

Abstract Author(s):

Xianchuang Wu, Yuxin Liu, Jihong An, Jiahuan Li, Weiling Lv, Shengnan Geng, Yongzhou Zhang

Article Affiliation:

Xianchuang Wu

Abstract:

Piperlongumine (PL), a single component isolated from Piper longum, has been reported to possess anti-inflammatory, antibacterial, antiangiogenic, antioxidant, antitumor, and antidiabetic activities. However, its role in cardiac fibrosis remains to be clarified. Therefore, we determined the effects of PL on cardiac fibroblasts (CFs) proliferation, and extracellular matrix (ECM) production under angiotensin II (Ang II) conditions, and further investigated the underlying molecular mechanism. Our data revealed that PL inhibited the proliferation and migration of CFs induced by Ang II. In addition, PL blocked the transformation of CFs to myofibroblasts induced by Ang II, as well as decreased cellular reactive oxygen species (ROS) production and malondialdehyde level in Ang II-stimulated CFs. Furthermore, PL significantly suppressed the Ang II-increased phosphorylation of extracellular regulated protein kinase 1/2 (ERK1/2) in CFs. Taken together, the results of the current study demonstrated that PL inhibits Ang II-induced cell proliferation, migration, and ECM expression in CFs through the inactivation of the ERR1/2 signaling pathway. These data strongly suggest that PL may be a promising therapeutic candidate for the treatment of cardiac fibrosis.

Study Type : In Vitro Study

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