新型非酸 uracil 衍生的人类淋巴激素释放激素受体对手
Samuele Ciceri1, Enrico M A Fassi2, Valeria Vezzoli3
1Department of Pharmaceutical Sciences, University of Milan, Milan, Italy; Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy.
通过修改elagolix开发了新的口服GnRH1R抗剂. 这些新型的甲和细胞因子衍生物显示出强大的GnRH1R对抗性,为改善生殖系统疗法提供了潜力.
科学领域:
- 药用化学 医学化学
- 药理学 药理学是指药理学的学科.
- 生殖生物学 生殖生物学
背景情况:
- 淋巴激素释放激素 (GnRH) 通过GnRH1受体 (GnRH1R) 调节生殖系统.
- 目前的GnRH1R疗法经常使用需要注射的调节器,从而限制了患者的便利性.
- 口服小分子GnRH1R调制剂被寻求作为改进的治疗替代品.
研究的目的:
- 探索elagolix的化学修饰,以增强其体性质.
- 设计和合成新的非类GnRH1R抗剂.
- 评估新elagolix衍生物的疗效和结合方式.
主要方法:
- 合成埃拉戈利克斯的-乌拉和细胞因子衍生物.
- 凝染色学用于三聚体分离.
- 核磁共振 (NMR) 和密度功能理论 (DFT) 用于结构分析.
- 分子对接和分子动力学 (MD) 模拟用于结合模式评估.
主要成果:
- uracil (1) 和cytosine (2) 衍生物表现出 GnRH1R 抗活性,EC50 值分别为 39 nM 和 110 nM.
- 化合物1和2的亚tropisomers成功地分离出来.
- DFT和MD研究阐明了与elagolix.不同的结合模式和可比的结合亲和力 (ΔG).
结论:
- 经过化学修饰的elagolix衍生物显示出强大的口服GnRH1R对抗作用.
- 这些新型化合物为开发用于生殖系统疾病的先进,口服可用的治疗方法提供了潜力.
- 这项研究强调了针对GnRH1R的非化调节器的多功能性.
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