Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8383997 | FEBS Letters | 2015 | 12 Pages |
Abstract
Homocysteine (Hcy) is an independent risk factor for atherosclerosis, but the underlying molecular mechanisms are not known. We investigated the effects of Hcy on fatty acid-binding protein 4 (FABP4), and tested our hypothesis that Hcy-induced atherosclerosis is mediated by increased FABP4 expression and decreased methylation. The FABP4 expression and DNA methylation was assessed in the aorta of ApoEâ/â mice fed high-methionine diet for 20Â weeks. Over-expression of FABP4 enhanced accumulation of total cholesterol and cholesterol ester in foam cells. The up-regulation of DNA methyltransferase 1 (DNMT1) promoted the methylation process and decreased FABP4 expression. These data suggest that FABP4 plays a key role in Hcy-mediated disturbance of lipid metabolism and that DNMT1 may be a novel therapeutic target in Hcy-related atherosclerosis.
Keywords
Related Topics
Life Sciences
Agricultural and Biological Sciences
Plant Science
Authors
An-Ning Yang, Hui-Ping Zhang, Yue Sun, Xiao-Ling Yang, Nan Wang, Guangrong Zhu, Hui Zhang, Hua Xu, Sheng-Chao Ma, Yue Zhang, Gui-Zhong Li, Yue-Xia Jia, Jun Cao, Yi-Deng Jiang,