在TET2和ASXL1中心房动和克隆性血液形成
Seyedmohammad Saadatagah1,2, Mohammadreza Naderian3, Mesbah Uddin4
1Department of Medicine, Baylor College of Medicine, Houston, Texas.
JAMA cardiology
|April 10, 2024
概括
不确定潜力的克隆性血液形成 (CHIP) 与心房 (AF) 的风险增加有关. 具体来说,大型TET2和ASXL1CHIP亚型与心脏重塑和更高的AF风险有关.
科学领域:
- 心血管医学 心血管医学
- 血液学 血液学 血液学
- 遗传学 遗传学 是一个
背景情况:
- 不确定潜力的克隆性血液形成 (CHIP) 是一种血液形成干细胞获得突变的情况,可能会增加心血管疾病风险.
- CHIP与炎症和心脏重塑的关联表明可能与心房动 (AF) 有关.
研究的目的:
- 调查CHIP和AF发病率之间的关联.
- 检查CHIP,炎症生物标志物,心脏生物标志物和心脏重塑的回声心脏学指数之间的关系.
主要方法:
- 一项基于人口的前性队列研究,利用来自社区动脉样硬化风险 (ARIC) 研究和英国生物银行 (UKB) 的数据.
- 包括没有血液恶性瘤或特定的膜/结构性心脏病的成年人.
- 分析包括评估CHIP状态 (VAF≥2%),特定CHIP亚型 (DNMT3A,TET2,ASXL1),大CHIP (VAF≥10%),生物标志物 (炎症和心脏) 和心声回声数据.
主要成果:
- 这项研究包括199,982名成年人. 较大的CHIP与12%的AF风险增加有关 (HR1.12;95% CI,1.01-1.25).
- 较大的TET2CHIP (HR 1.29;95% CI,1.05-1.59) 和较大的ASXL1CHIP (HR 1.45;95% CI,1.02-2.07) 与增加的AF风险显著相关.
- 较大的TET2CHIP与IL-6水平升高相关,而较大的ASXL1CHIP与较高的hs-TnT水平和左心室质量指数增加有关.
结论:
- 大型CHIP,特别是涉及TET2和ASXL1突变,与心脏重塑和发展AF的风险增加有关.
- 这些发现突出了一个潜在的机制,将血液的克隆扩张与心房动联系起来.
- 需要进一步的研究来阐明潜在的机制,并探索潜在的治疗干预措施.
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