一个计算框架来评估BPA及其同类与人类肝脏X受体-β的相互作用,用于健康风险评估
Rajesh Kumar Pathak1,2, Saurav Kumar1,3, Vikas Kumar1,2,3
1Pere Virgili Institute for Health Research (IISPV), Tarragona 43005, Spain.
Chemical research in toxicology
|February 16, 2026
概括
许多双A (BPA) 替代品比BPA本身更强烈地与肝脏X受体-β (LXRβ) 结合. 这项计算研究表明,一些BPA替代品可能比BPA具有更大的肝毒性风险.
科学领域:
- 毒理学 毒理学 毒理学
- 计算化学的计算化学
- 药理学 药理学是指药理学的学科.
背景情况:
- 双,包括双A (BPA),在消费品中普遍存在,并与内分泌干扰和肝脏疾病有关.
- 乙A的毒性导致了限制,促进使用其对肝脏代谢,特别是通过肝脏X受体-β (LXRβ) 的作用尚未完全理解的结构相似物.
研究的目的:
- 通过计算方法研究BPA类似物与LXRβ的相互作用.
- 通过评估它们的结合亲和力和药理动力学/药理动力学特性,评估BPA替代品的潜在肝毒性.
主要方法:
- 分子对接被用来预测BPA类似物与LXRβ的结合,使用BPA和G58作为参考.
- 评估了前10个类型的药理动力学和药理动力学特性.
- 用分子动力学模拟和MM-PBSA计算来分析结合的自由能量和动态相互作用.
主要成果:
- 与BPA相比,一些BPA类型显示出与LXRβ的预测更强的结合亲和力.
- 一些类似物表现出与BPA相似的药理动力学和药理动力学特征.
- 某些类似物与LXRβ的增强结合引起了人们对其潜在的肝毒性表示担忧.
结论:
- 这项"in silico"研究预测,常用的BPA替代品可能比BPA具有更高的肝毒性风险.
- 计算方法对于在实验安全评估中优先考虑化学品是有价值的,特别是对于BPA替代品.
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