Atheroprotective flow alters EZH2/H3K27me3 dependent transcriptional profile in human endothelial cells
收藏干细胞与再生医学数据中心2022-02-20 更新2024-03-06 收录
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http://data.iscr.ac.cn/Article?id=09feb0bf19c51571b9db71968c93fd1d
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Atherosclerosis is a focal disease that preferentially develop in the regions of atheroprone disturbed flow, but less in regions of atheroprotective laminar flow. The mechanisms by which atheroprotective laminar flow prevents atherosclerosis at the epigenetic level remain largely unknown. In this study, we observed that laminar flow decreased histone methyltransferase EZH2, which imposes a repressive epigenetic mark of histone 3 lysine 27 trimethylation (H3K27me3) onto target gene promoters, leading to transcriptional silencing. To evaluate the effect of atheroprotective flow on EZH2 and H3K27me3 dependent genome-wide transcriptional profile, we performed RNA-sequencing study on laminar flow and EZH2 siRNA treated human endothelial cells. Venn diagram was used to compare the common regulated genes by both laminar flow and EZH2 depletion. We found atheroprotective flow and EZH2 depletion altere endothelial gene landscape, which include upregulating atheroprotective genes while downregulating pro-atherosclerotic genes.
提供机构：
University of Rochester
创建时间：
2022-02-20
