环境化学诱导的心脏代谢障碍:综合流行病学和实验证据
Qi Jiang1, Donghui Zhang1, Naifan Hu1
1Department of Epidemiology and Biostatistics, School of Public Health, Research Center of Public Health, Renmin Hospital of Wuhan University, Department of Gastrointestinal Oncology, Zhongnan Hospital of Wuhan University, TaiKang Center for Life and Medical Sciences, Wuhan University, Wuhan, Hubei 430071, China.
Environmental science & technology
|February 20, 2025
概括
像PFNA和PFOA这样的环境污染物显著影响心脏代谢健康. 了解它们的不良结果途径 (AOP) 为临床干预和研究提供了目标.
科学领域:
- 环境健康 环境健康
- 毒理学 毒理学 毒理学
- 心血管科学 心血管科学
背景情况:
- 识别影响心脏代谢健康的环境污染物对于临床干预至关重要.
- 暴露于许多化学物质可以破坏新陈代谢过程.
研究的目的:
- 为了选环境污染物对心脏代谢的危害.
- 阐明已识别的污染物的有毒路径.
- 为了确定潜在的治疗目标.
主要方法:
- 在13286名个体的暴露数据上进行后勤回归和混合物建模.
- 对有毒物质构建不利结果途径 (AOPs).
- 分子对接和体外实验 (HepG2细胞) 用于机制验证.
主要成果:
- 确定了与心脏代谢障碍相关的15种化学物质.
- 四种化学物质 (PFNA,PFOA,硫酸盐,) 显著导致混合物效应.
- 甲基物质激活PPARα,影响高脂血症;PFNA通过PPARα激活促进脂质积累.
结论:
- PFNA和PFOA是影响心脏代谢状态的关键环境毒素.
- PPARα激活是醇基物质诱导的高脂血症的一个关键途径.
- 已识别的分子标记物 (CD36,ACSL1,CPT1a) 是研究和治疗的潜在目标.
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