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Article Publish Status: FREE
Abstract Title:

Ginsenoside Rb1 ameliorates CKD-associated vascular calcification by inhibiting the Wnt/β-catenin pathway.

Abstract Source:

J Cell Mol Med. 2019 Aug 19. Epub 2019 Aug 19. PMID: 31423730

Abstract Author(s):

Peng Zhou, Xinyu Zhang, Mengqi Guo, Rong Guo, Lei Wang, Zihao Zhang, Zongwei Lin, Mei Dong, Hongyan Dai, Xiaoping Ji, Huixia Lu

Article Affiliation:

Peng Zhou

Abstract:

Vascular calcification (VC) is a pathological process underpinning major cardiovascular conditions and has attracted public attention due to its high morbidity and mortality. Chronic kidney disease (CKD) is a common disease related to VC. Ginsenoside Rb1 (Rb1) has been reported to protect the cardiovascular system against vascular diseases, yet its role in VC and the underlying mechanisms remain unclear. In this study, we established a CKD-associated VC rat model and aβ-glycerophosphate (β-GP)-induced vascular smooth muscle cell (VSMC) calcification model to investigate the effects of Rb1 on VC. Our results demonstrated that Rb1 ameliorated calcium deposition and VSMC osteogenic transdifferentiation both in vivo and in vitro. Rb1 treatment inhibited the Wnt/β-catenin pathway by activating peroxisome proliferator-activated receptor-γ (PPAR-γ), and confocal microscopy was used to show that Rb1 inhibited β-catenin nuclear translocation in VSMCs. Furthermore, SKL2001, an agonist of the Wnt/β-catenin pathway, compromised the vascular protective effect ofRb1. GW9662, a PPAR-γ antagonist, reversed Rb1's inhibitory effect on β-catenin. These results indicate that Rb1 exerted anticalcific properties through PPAR-γ/Wnt/β-catenin axis, which provides new insights into the potential theraputics of VC.

Study Type : Animal Study, In Vitro Study

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