长期暴露于环境空气污染和功能以及病的生物标志物
Karl Kilbo Edlund1,2, Yiyi Xu3, Eva M Andersson3,4
1Occupational and Environmental Medicine, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Box 414, 405 30, Gothenburg, Sweden. karl.kilbo.edlund@gu.se.
在瑞典的一项大型研究中,长期暴露于细颗粒物 (PM2.5) 与脏过率的提高有着惊人的联系. 这种过的增加,以及MMP-2水平的升高,可能表明空气污染导致的早期损伤.
科学领域:
- 环境健康 环境健康
- 腎臟病學 (nephrology) 是一種醫學專業.
- 流行病学 流行病学
背景情况:
- 关于空气污染和脏疾病的现有研究显示了相互矛盾的结果.
- 这项研究针对大量人群中低暴露水平的相关性,使用先进的功能和损伤生物标志物.
研究的目的:
- 调查长期暴露于空气污染物和功能之间的关联.
- 在一般人群中检查与特定的损伤生物标志物的关系.
主要方法:
- 在瑞典心肺生物成像研究 (SCAPIS) 中对30,154名参与者的横截面分析.
- 使用高分辨率分散模型对PM2.5,PM10和NOx的10年个体暴露进行建模.
- 线性回归用于评估与估计的膜过率 (eGFR) 和损伤生物标志物的关联.
主要成果:
- 平均PM2.5暴露量为6.2μg/m3;大多数参与者功能正常.
- 暴露于PM2.5与每2.03μg/m3增加的1.3%更高的eGFR有关.
- 暴露于PM2.5与血清MMP-2水平增加7.2%有关;PM10显示出尿酸的趋势.
结论:
- 在低暴露人群中,观察到PM2.5暴露与更高的脏过之间的令人惊的联系.
- 增加的过和升高的MMP-2表明潜在的早期损伤,尽管功能看似健康.
- 研究结果强调了空气污染对脏健康的微妙影响,即使在低水平.
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