Protective effect of histone methyltransferase NSD3 on ISO-induced cardiac hypertrophy

被引：9

作者：

Chen, Ke ^{[1
,2
]}

Jian, Dongdong ^{[1
,2
]}

Zhao, Linwei ^{[1
,2
]}

Zang, Xiaobiao ^{[1
,2
]}

Song, Weifeng ^{[1
,2
]}

Ma, Jifang ^{[1
,2
]}

Jia, Zhen ^{[3
]}

Wang, Xianqing ^{[1
,2
]}

Gao, Chuanyu ^{[1
,2
]}

机构：

[1] Fuwai Cent China Cardiovasc Hosp, Dept Cardiol, Zhengzhou 450000, Henan, Peoples R China

[2] Henan Prov Peoples Hosp, Zhengzhou 450000, Henan, Peoples R China

[3] Zhejiang Univ, Sch Med, Affiliated Hosp 1, Dept Cardiothorac Surg, Hangzhou, Zhejiang, Peoples R China

来源：

FEBS LETTERS | 2019年 / 593卷 / 18期

关键词：

ANF; BRD4; cardiomyocyte hypertrophy; H3K27ac; H3K27me2/3; NSD3; DOMAIN; ACTIVATION; REGRESSION; PROTEINS; HEART; BRD4;

D O I：

10.1002/1873-3468.13515

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Nuclear receptor-binding SET domain 3 (NSD3) is a lysine methyltransferase that plays important roles in multiple biological activities; however; its potential roles in the cardiovascular system remain unknown. In this study, we found that NSD3 expression is reduced by isoproterenol (ISO) stimuli both in vitro and in vivo. Overexpression of NSD3 attenuates ISO-induced cardiomyocyte hypertrophy. Mechanistically, ISO treatment decreases H3K27me2/3 modifications on the atrial natriuretic factor (ANF) promoter by suppressing NSD3 and inhibits the association between NSD3 and bromodomain-containing protein 4 (BRD4), thus suppressing the BRD4-mediated H3K27ac modifications, which ultimately promote ANF transcription and cardiomyocyte hypertrophy. In conclusion, NSD3 decreases ANF expression and, thereby, attenuates ISO-induced cardiomyocyte hypertrophy.

引用

页码：2556 / 2565

页数：10

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