鉴定双类似物暴露的代谢特征:对新替代品的快速毒性查的影响
Hong-Xuan Kuang1, Ye Liu1, Lei Yan1
1Key Laboratory of Environmental Pollution Health Risk Assessment, Ministry of Ecology and Environment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, China.
Environmental science & technology
|August 20, 2025
概括
由于毒性评估不足,双A替代品 (BPs) 存在污染风险. 一个新的胺/氨酸比率生物标志物有效地识别BP暴露,有助于快速毒性查.
科学领域:
- 环境化学
- 毒理学
- 代谢学
背景情况:
- 双A替代品 (BPs) 缺乏全面的毒性数据,导致环境问题.
- 开发BP毒性快速查工具对于公众健康和环境安全至关重要.
研究的目的:
- 开发特定的生物标志物,用于对双A替代品 (BPs) 的快速毒性查和评估.
- 研究由BP暴露引起的代谢干扰和毒性机制.
主要方法:
- 使用非向性和向性代谢组来分析血代谢物对BP暴露的反应.
- 用分子对接来评估BP及其代谢物的与激素受体的结合性.
- 对肝功能,功能和代谢指数进行了分析.
主要成果:
- BPs暴露显著改变了许多代谢物,基努林和丁被确定为常见的代谢特征.
- 希斯提丁/ 氨酸的比率显示出高预测精度 (AUC: 0. 937) 区分BP暴露.
- 具有较弱激素受体结合的代谢转化产物 (MTP) 与降低的代谢干扰相关,表明对解毒能力的作用.
结论:
- 胺/氨酸比率作为一个有前途的生物标志物,用于快速评估新出现的BP.
- 代谢中断由BP受到其代谢解毒途径的影响.
- 需要对BP毒性和生物标志物的进一步研究.
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