The long noncoding RNA Chaer defines an epigenetic checkpoint in cardiac hypertrophy.
The long noncoding RNA Chaer defines an epigenetic checkpoint in cardiac hypertrophy.
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长非编码 RNA Chaer 定义了心脏肥大的表观遗传检查点。
DOI:
10.1038/nm.4179
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发表时间:
2016-10
期刊:
影响因子:
82.9
通讯作者:
Wang, Yibin
中科院分区:
文献类型:
--
作者:
Wang, Zhihua;Zhang, Xiao-Jing;Ji, Yan-Xiao;Zhang, Peng;Deng, Ke-Qiong;Gong, Jun;Ren, Shuxun;Wang, Xinghua;Chen, Iris;Wang, He;Gao, Chen;Yokota, Tomohiro;Ang, Yen Sin;Li, Shen;Cass, Ashley;Vondriska, Thomas M.;Li, Guangping;Deb, Arjun;Srivastava, Deepak;Yang, Huang-Tian;Xiao, Xinshu;Li, Hongliang;Wang, Yibin
Epigenetic reprogramming is a critical process of pathological gene induction during cardiac hypertrophy and remodeling. However, the underlying regulatory mechanism remains to be elucidated. Here we identified a heart-enriched long non-coding (lnc)RNA, named Cardiac Hypertrophy Associated Epigenetic Regulator (Chaer), necessary for the development of cardiac hypertrophy. Mechanistically, Chaer directly interacts with Polycomb Repressor Complex 2 (PRC2) catalytic subunit through a 66-mer motif, interferes with its targeting to genomic locus, and subsequently inhibits histone H3 lysine 27 methylation at hypertrophic genes. This interaction is transiently induced upon hormone or stress stimulation in an mTORC1 dependent manner, and is prerequisite for epigenetic reprogramming and induction of hypertrophic genes. Inhibition of Chaer in intact heart before, but not after, the onset of pressure overload significantly attenuates cardiac hypertrophy and dysfunction. Therefore, our study reveals that stress-induced pathological gene activation in heart requires a previously uncharacterized lncRNA-dependent epigenetic checkpoint.
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影响因子:
4.5
作者:
Burd CE;Jeck WR;Liu Y;Sanoff HK;Wang Z;Sharpless NE
通讯作者:
Sharpless NE
影响因子:
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Xiao X
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通讯作者:
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