高等学校化学学报 ›› 2023, Vol. 44 ›› Issue (2): 20220500.doi: 10.7503/cjcu20220500

• 物理化学 • 上一篇    下一篇

天然产物法卡林二醇与人类GABAA受体相互作用的机制

沈琦1, 陈海瑶1, 高登辉1, 赵熹1(), 那日松2, 刘佳2, 黄旭日1   

  1. 1.吉林大学理论化学研究所, 长春 130061
    2.河南农业大学植物保护学院, 郑州 450046
  • 收稿日期:2022-07-25 出版日期:2023-02-10 发布日期:2022-10-04
  • 通讯作者: 赵熹 E-mail:zhaoxi@jlu.edu.cn
  • 基金资助:
    国家自然科学基金(21702048);河南农业大学教学改革项目(2021XJGLX100)

Interaction Mechanism of the Natural Product Falcarindiol and Human GABAA Receptor

SHEN Qi1, CHEN Haiyao1, GAO Denghui1, ZHAO Xi1(), NA Risong2, LIU Jia2, HUANG Xuri1   

  1. 1.Institute of Theoretical Chemistry,Jilin University,Changchun 130061,China
    2.College of Plant Protection,Henan Agricultural University,Zhengzhou 450046,China
  • Received:2022-07-25 Online:2023-02-10 Published:2022-10-04
  • Contact: ZHAO Xi E-mail:zhaoxi@jlu.edu.cn
  • Supported by:
    the National Natural Science Foundation of China(21702048);the Teaching Reform Project of the Henan Agricultural University, China(2021XJGLX100)

摘要:

通过分子动力学模拟、 伞形采样模拟、 结合自由能计算和分子对接等方法, 研究了法卡林二醇在γ-氨基丁酸A型(GABAA)受体上结合作用的模式和对GABAA受体动态属性的影响, 确定了3个有效结合位点均对此受体产生拮抗作用, 为后续研究聚乙炔醇类化合物对GABAA受体作用及相应药物开发提供了理论依据.

关键词: 法卡林二醇, γ-氨基丁酸 A型受体, 分子动力学模拟, 拮抗作用

Abstract:

Falcarindiol is a natural polyacetylene alcohol compound that has demonstrated anti-inflammatory, neurological and potentially anticancer properties, and modulates the activity of the γ-aminobutyric acid type A(GABAA) receptor which is an important therapeutic target for neurological disorders in humans, but the mechanism of action is not clear. In this paper, the binding mode and dynamic properties of falcarindiol acting on GABAA receptor were investigated by molecular dynamics simulation, umbrella sampling simulations, binding free energy calculations and molecular docking, and determined that all three effective binding sites have antagonistic effects on this receptor. This work will provide a theoretical basis for the subsequent study of the effects of polyethynyl alcohol analogues on GABAA receptors and the corresponding drug development.

Key words: Falcarindiol, γ-Aminobutyric acid type A(GABAA) receptor, Molecular dynamics simulation, Antagonism

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