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与空气污染相关的代谢概况和随后的心力衰竭风险
Chaojun Yang1,2,3,4, Zhixing Fan5,2,3,4, Jing Zhang1,2,3,4
1Department of Cardiology, the First College of Clinical Medical Sciences, China Three Gorges University, Yichang, Hubei, China.
Heart (British Cardiac Society)
|January 21, 2026
概括
空气污染增加了心力衰竭 (HF) 的风险,其中代谢变化,如改变的脂蛋白和脂肪酸代谢起着关键作用. 这些代谢信号有助于解释空气污染如何影响心血管健康.
科学领域:
- 环境健康 环境健康
- 代谢学 代谢学 代谢学
- 心血管疾病流行病学
背景情况:
- 环境空气污染是心力衰竭 (HF) 的已知危险因素.
- 连接空气污染暴露于HF的特定生物途径在很大程度上是未知的.
- 了解这些机制对于制定有针对性的干预措施至关重要.
研究的目的:
- 调查介于空气污染暴露和发生心力衰竭之间的关联的代谢途径.
- 为了识别反映空气污染暴露的特定代谢特征.
- 量化这些代谢特征在空气污染和HF风险之间的关系中的作用.
主要方法:
- 对229,812名英国生物库参与者进行前性队列研究,具有代谢学数据.
- 使用颗粒物和氧化构建空气污染评分.
- 使用弹性净回归识别了53种与空气污染相关的代谢物.
- 考克斯回归和调解分析,以评估HF风险和代谢特征的调解作用.
主要成果:
- 随访时间中位数为13.1年,发现8986例HF病例.
- 与空气污染相关的代谢特征包括脂蛋白代谢的标记物,脂肪酸和氨基酸.
- 代谢特征得分的每一个标准偏差增加都与8%更高的HF风险有关.
- 代谢特征调解了空气污染和高频关联的13.08%,脂蛋白和脂肪酸代谢是主要的调解者.
结论:
- 代谢干扰,特别是在脂蛋白和脂肪酸代谢中,显著调解了空气污染和心力衰竭风险之间的关联.
- 这些发现阐明了空气污染对心血管的影响背后的潜在生物机制.
- 代谢特征为预防空气污染相关心血管疾病提供了新的见解.
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