使用无维参数缩放方法对饮用水中的消毒副产品进行比较性细胞毒性分析:素替代类型和数量的影响
Lu Jiang1, Jiayi Luo1, Wenzhe Wei1
1State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu 210023, China.
Water research
|May 29, 2023
概括
饮用水中的消毒副产品 (DBPs) 具有不同的细胞毒性. 这项研究使用了一种新的缩放方法来量化素替代如何影响不同细胞系的DBP细胞毒性,揭示一致的模式并使预测模型成为可能.
科学领域:
- 环境化学环境化学
- 毒理学 毒理学 毒理学
- 计算化学计算化学
背景情况:
- 在饮用水中发现了700多种消毒副产品 (DBPs).
- 根据化学结构和化,DBP的细胞毒性会有很大的变化.
- 对跨细胞系的DBP细胞毒性进行素替代效应的量化是具有挑战性的.
研究的目的:
- 量化确定素替代和DBP细胞毒性之间的关系.
- 建立一种在不依赖绝对值的情况下,在多个细胞系中评估DBP细胞毒性的方法.
- 开发DBP细胞毒性的预测模型.
主要方法:
- 采用无维参数缩放方法来分析DBP细胞毒性.
- 引入的参数是Dx-orn-speciescellline,D ̄x-orn-speciescellline,ktypeornumbercellline,以及k ̄typeornumbercellline. 这两个参数是Dx-orn-species,D ̄x-orn-speciescellline,D ̄x-orn-speciescellline, ktypeornumbercellline,以及 ktypeornumber,这些参数都被使用了.
- 使用了三种细胞系:人类乳腺癌 (MVLN),中国仓鼠卵巢 (CHO) 和人类肝瘤 (Hep G2).
主要成果:
- 素替代类型和数量对DBP细胞毒性的影响在三个细胞系中显示出一致的模式.
- 在异形DBP中,CHO细胞对素替代效应最敏感.
- 在循环DBP中,MVLN细胞对素替代效应最敏感.
结论:
- 建立了七种定量结构-活性关系 (QSAR) 模型来预测DBP细胞毒性.
- 这些发现提供了对DBP细胞毒性的素替代效应模式的见解.
- 开发的模型可以预测DBP细胞毒性,并验证观察到的模式.
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