微型和纳米塑料暴露基反循环驱动协同作用的气肺毒性
V C Shruti1, Gurusamy Kutralam-Muniasamy2, Fermín Pérez-Guevara3
1Department of Biotechnology and Bioengineering, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av Instituto Politécnico Nacional 2508, San Pedro Zacatenco, Gustavo A. Madero, 07360, Ciudad de México, Mexico.
The Science of the total environment
|December 23, 2025
概括
空气中的微型和纳米塑料 (MNP) 作为载体,放大了空气污染的毒性. 这种MNP暴露体反环可能会恶化呼吸系统疾病,需要新的预测毒理学和监管框架.
科学领域:
- 环境科学 环境科学
- 毒理学 毒理学 毒理学
- 大气化学 大气化学
背景情况:
- 空气中的微型和纳米塑料 (MNP) 是无处不在的大气污染物.
- 尚不清楚MNP的毒理影响,特别是它们在放大其他空气中毒素中的作用.
研究的目的:
- 提出MNP暴露体反环假设,解释MNP如何积极促进大气毒性.
- 引入新的预测毒理学框架和监管方法,以应对与MNP相关的健康风险.
主要方法:
- 对MNP老化,污染物吸附和生物膜形成的新兴科学文献的审查和综合.
- 概念化MNP暴露体反循环及其潜在的健康影响.
- 开发了Exposome-AI框架和载体颗粒物物 (VPM) 监管概念.
主要成果:
- 在大气中老化的MNP可以通过吸附污染物和形成生物膜,与颗粒物 (PM) 形成混合复合体.
- 这些MNP-PM复合体可能会在吸入时触发协同氧化应激,炎症和上皮屏障功能障碍.
- 假设风险来自于毒性的协同放大,而不是附加效应.
结论:
- 许多MNP可能充当催化剂,放大大气-肺系统中空气污染物的毒性.
- 拟议的MNP暴露体反循环突出了呼吸系统疾病的关键,低估的风险路径.
- 曝光体-AI框架和VPM类别为MNP相关危险的风险评估和监管提供了积极的策略.
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