期刊
VASCULAR PHARMACOLOGY
卷 63, 期 2, 页码 71-78出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.vph.2014.08.005
关键词
Gallic acid; Vascular calcification; BMP2; Noggin; Smad1/5/8 signaling
资金
- Korea Healthcare Technology R&D Project, Ministry for Health & Welfare, Republic of Korea [HI13C1527]
Vascular calcification is associated with increased risk of morbidity and mortality in patients with cardiovascular diseases, chronic kidney diseases, and diabetes. Gallic acid, a natural compound found in gallnut and green tea, is known to be antifungal, antioxidant, and anticancer. Here we investigated the effect of gallic acid on vascular smooth muscle cell (VSMC) calcification and the underlying mechanism. Gallic acid inhibited inorganic phosphate-induced osteoblast differentiation markers as well as calcification phenotypes (as determined by calcium deposition, Alizarin Red, and Von Kossa staining). Knockdown of BMP2 or Noggin blocked phosphate-induced calcification. Gallic acid suppressed phosphorylation of Smad1/5/8 protein induced by inorganic phosphate. Taken together, we suggest that gallic acid acts as a novel therapeutic agent of vascular calcification by mediating BMP2-Smad1/5/8 signaling pathway. (C) 2014 Elsevier Inc. All rights reserved.
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