基于证据权重 (WoE) 方法,优先考虑IARC组1-2B之外的潜在环境暴露致癌物
Lu Zhang1, Min Li1, Dalong Zhang2
1Department of Toxicology, Tianjin Centers for Disease Control and Prevention, Tianjin, 300011, China; Tianjin Key Laboratory of Pathogenic Microbiology of Infectious Disease, Tianjin Centers for Disease Control and Prevention, Tianjin, 300011, China.
Regulatory toxicology and pharmacology : RTP
|May 22, 2024
概括
识别潜在的致癌物质对于安全至关重要. 这项研究引入了一种新的证据权重 (WoE) 方法,使用计算方法来优先考虑环境暴露,成功识别新的和已知的致癌化学物质.
科学领域:
- 环境健康 环境健康
- 毒理学 毒理学 毒理学
- 计算化学的计算化学
背景情况:
- 环境暴露是癌症的主要原因.
- 许多环境物质的致癌性仍然未被评估.
- 优先考虑潜在的致癌物质对于公共健康和安全至关重要.
研究的目的:
- 开发和评估一种新的证据权重 (WoE) 方法,以优先考虑环境致癌物.
- 整合各种计算方法,以提高致癌物质的识别.
- 确定以前未经评估的具有高致癌性关注的环境暴露.
主要方法:
- 开发和评估四种不同的证据权重 (WoE) 方法.
- 计算毒理学方法的整合:交叉阅读,结构性警报, (定量) 结构-活性关系 ((Q) SAR) 和化学疾病关联.
- 应用 WoE 方法对 681 种未被IARC 1-2B 组分类的环境暴露.
主要成果:
- 与单一计算方法相比,拟议的WoE-1方法在预测性能 (AUC +0.21,MCC +0.39) 中显示出显著的改进.
- 该研究从评估的环境暴露中优先考虑了52种高度致癌的化学物质.
- 八种化合物首次被确定为潜在的致癌物,以及21种已知或疑似致癌物.
结论:
- 证据权重 (WoE) 方法有效地整合了各种计算方法,以实现强大的致癌物质优先级.
- 这种新的方法成功地识别和优先考虑了具有显著致癌潜力的环境暴露.
- 这些发现为加强对环境化学品的安全评估和为公共卫生战略提供信息提供了关键工具.
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