通过人类肝脏微粒细胞对梅芬特里弗卢科纳的酶选择性代谢
Yuqi Ren1,2, Peilin Guo2, Xinglu Pan2
1College of Horticulture and Landscape, Tianjin Agriculture University, Tianjin 300384, P. R. China.
梅芬特rifluconazole enantiomers 的新陈代谢在人类中有显著差异. 斯-梅芬特里弗卢科纳比R-梅芬特里弗卢科纳代谢速度快4倍,主要由CYP2C19和CYP2C8分别代谢.
科学领域:
- 环境化学环境化学
- 毒理学 毒理学 毒理学
- 药理动力学 药理动力学
背景情况:
- 类农药反体在生物体中表现出不同的代谢特征.
- 了解这些差异对于准确的农药风险评估至关重要,如mfeentrifluconazole.
研究的目的:
- 为了研究人类肝脏显微体中梅芬特里弗卢科纳的酶选择性代谢.
- 为了确定特定的P450酶,负责对Mefentrifluconazole enantiomers的差异代谢.
主要方法:
- 人类肝脏微小体化系统,用于研究梅芬特里弗卢可纳代谢.
- 使用特定的CYP酶抑制剂进行化学抑制测定.
- 分子对接模拟用于预测酶-酶原体结合相互作用.
主要成果:
- S-美芬特里弗卢科纳的代谢率是R-美芬特里弗卢科纳的四倍.
- 鉴定出CYP2C19是S-mefentrifluconazole代谢的主要酶,而CYP2C8是R-mefentrifluconazole代谢的关键.
- 分子对接揭示了R-mefentrifluconazole与CYP2C19的不良结合,以及两种因子体与CYP2C8的良好结合,其中偏好R-mefentrifluconazole.
结论:
- 在人类肝脏显微体的甲中存在显著的enantioselectivity.
- 而CYP2C19和CYP2C8在美芬特rifluconazole enantiomers的差异代谢中起着不同的和至关重要的作用.
- 这些发现对于对梅芬特里弗卢可纳进行全面的毒理学评估至关重要.
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