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在已确定的过敏喘动物中工程纳米颗粒的毒性和机制
Rui Deng1, Ya Zhu2, Xinyue Wu3
1Joint International Research Laboratory of Green Buildings and Built Environments (Ministry of Education), School of Civil Engineering, Chongqing University, Chongqing, 400045, People's Republic of China.
International journal of nanomedicine
|July 5, 2023
概括
工程纳米粒子 (NP) 暴露在动物模型中加剧过敏喘. 了解NP毒性机制对于管理与这些环境污染物相关的呼吸系统健康风险至关重要.
科学领域:
- 环境毒理学环境毒理学
- 呼吸道免疫学 呼吸道免疫学
- 纳米材料的安全性
背景情况:
- 喘是一种慢性呼吸道疾病,由环境污染物加剧.
- 人工制造的纳米粒子 (NP) 是无处不在的环境污染物,对健康的担忧越来越大.
- 以前的毒理学研究将NP暴露与过敏喘的发展和严重程度联系起来.
研究的目的:
- 在过敏性喘的动物模型中审查和分析NP对健康不利影响的研究.
- 阐明NP刺激和加重喘的机制.
- 突出NP在喘发病过程中的关键作用.
主要方法:
- 对毒理学文献的系统审查,重点关注动物模型中的NP暴露和过敏喘.
- 分析研究研究NP的物理化学特性,剂量,持续时间,途径和与过敏原共同暴露的影响.
- 整合了关于NP诱导的氧化应激,炎症细胞,免疫细胞激活和信号通路的数据.
主要成果:
- 暴露于NP显著影响过敏喘的动物模型,显示出明显的不良健康影响.
- NP的毒性是由包括物理化学性质,暴露参数和与过敏原接触的顺序在内的因素调节的.
- 关键的毒性机制包括氧化应激,炎症酶激活,免疫细胞调节和特定的信号通路.
结论:
- 工程纳米粒子在改变和加剧过敏喘中发挥着重要作用.
- 未来的研究应该集中在标准化模型,分子机制,联合暴露和安全的NP暴露水平上.
- 本综述提供了NP危害在呼吸系统健康受损及其在过敏喘中的作用的证据.
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