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Int. J. Mol. Sci. 2013, 14(11), 22708-22720; doi:10.3390/ijms141122708

Hsa-Let-7g miRNA Targets Caspase-3 and Inhibits the Apoptosis Induced by ox-LDL in Endothelial Cells

Emergency Department, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310003, China
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Received: 14 October 2013 / Revised: 29 October 2013 / Accepted: 1 November 2013 / Published: 18 November 2013
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract

It has been well confirmed ox-LDL plays key roles in the development of atherosclerosis via binding to LOX-1 and inducing apoptosis in vascular endothelial cells. Recent studies have shown ox-LDL can suppress microRNA has-let-7g, which in turn inhibits the ox-LDL induced apoptosis. However, details need to be uncovered. To determine the anti-atherosclerosis effect of microRNA has-let-7g, and to evaluate the possibility of CASP3 as an anti-atherosclerotic drug target by has-let-7g, the present study determined the role of hsa-let-7g miRNA in ox-LDL induced apoptosis in the vascular endothelial cells. We found that miRNA has-let-7g was suppressed during the ox-LDL-induced apoptosis in EAhy926 endothelial cells. In addition, overexpression of has-let-7g negatively regulated apoptosis in the endothelial cells by targeting caspase-3 expression. Therefore, miRNA let-7g may play important role in endothelial apoptosis and atherosclerosis. View Full-Text
Keywords: hsa-let-7g; caspase-3; apoptosis; ox-LDL; endothelial cells hsa-let-7g; caspase-3; apoptosis; ox-LDL; endothelial cells
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Zhang, Y.; Chen, N.; Zhang, J.; Tong, Y. Hsa-Let-7g miRNA Targets Caspase-3 and Inhibits the Apoptosis Induced by ox-LDL in Endothelial Cells. Int. J. Mol. Sci. 2013, 14, 22708-22720.

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