开发一种通用的PBK模型用于人类生物监测,并将其应用于脱氧尼瓦伦
Sylvia Notenboom1, Rudolf T Hoogenveen1, Marco J Zeilmaker1
1National Institute for Public Health and the Environment (RIVM), 3721 BA Bilthoven, The Netherlands.
Toxins
|September 27, 2023
概括
一个通用的基于生理学的动力学 (PBK) 模型被调整为人体生物监测deoxynivalenol (DON). 这种方法成功地模拟了DON及其代谢物的尿道分泌,扩展了PBK模型的应用.
科学领域:
- 环境健康 环境健康
- 毒理学 毒理学 毒理学
- 生物监测 生物监测
背景情况:
- 毒动力学模型将内部暴露 (生物标志物) 与外部暴露联系起来.
- 特定化学品模型对于相关污染物或暴露途径缺乏灵活性.
研究的目的:
- 研究一种通用的基于生理学的动力学 (PBK) 模型,作为脱氧尼瓦伦醇 (DON) 特定生物动力学模型的替代方案.
- 适应IndusChemFate (ICF) 模型用于人类生物监测真菌毒素,特别是DON.
主要方法:
- 适应了通用PBK模型,IndusChemFate (ICF),用于DON及其代谢物.
- 从分布和新陈代谢的文献中收集化学特异性数据.
- 将ICF模型与现有的尿排泄数据相匹配,以估计吸收和排泄.
主要成果:
- 通用ICF模型成功地模拟了通过饮食暴露后DON及其葡萄糖化代谢物的尿液分泌.
- 证明了该模型适用于人类生物监测真菌毒素的适用性.
- 为未来的模型开发奠定了基础,包括吸入暴露.
结论:
- 一种通用的PBK模型可以有效地模拟人类的脱氧尼瓦enol (DON) 生物动力学和尿液分泌.
- 调整后的ICF模型将PBK建模的应用范围扩大到真菌毒素生物监测.
- 该研究支持进一步开发多路线暴露评估.
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