1-Hydroxy-1,8-napthyridinone (DHN) 类似物强烈抑制水病毒溶解酶 (Mpr)
Samuel Offei1, Jacob P Mahoney1, Ziyue Wang2
1Center for Drug Design, College of Pharmacy, University of Minnesota, Minneapolis, Minnesota 55455, United States.
Journal of medicinal chemistry
|December 22, 2025
概括
研究人员开发了新的mopox resolvase (Mpr) 抑制剂,对疫苗病毒 (VACV) 具有强大的抗病毒活性. 最好的化合物在Mpr抑制和VACV疗效方面显著改善,并具有有利的ADME特性.
科学领域:
- 生物化学 生物化学
- 病毒学 病毒学
- 药用化学 医学化学
背景情况:
- 脊髓灰质炎病毒基因组复制和成熟取决于病毒编码的霍莱德结结解酶.
- 一种1-hydroxy-1,8-napthyridinone (DHN) 模拟物,化合物3被确定为mopox resolvase (Mpr) 的初始抑制剂.
研究的目的:
- 对化合物3进行全面的结构-活性关系 (SAR) 研究,以优化Mpr抑制剂.
- 合成和评估针对疫苗病毒 (VACV) 的抗病毒活性的新型Mpr抑制剂.
主要方法:
- 合成了70种化合物3的类似物,在C-3,C-5和C-6位置有变化.
- 对Mpr抑制活性和对VACV的抗病毒疗效的评估.
- 结合自由能量的计算预测和ADME属性的评估.
主要成果:
- SAR研究确定了Mpr抑制的C-3 () 和C-5/C-6 (双部分) 的最佳替代剂,C-5类似物显示优越性.
- 新型类似物在低μM到nM范围内对VACV表现出抗病毒活性.
- 与化合物3相比,5-1的化合物在Mpr抑制中呈现了10倍的改善 (IC50 = 36 nM) 和400倍的VACV疗效 (EC50 = 3.2 nM) 的改善.
结论:
- 优化的DHN类似物显示出显著增强的Mpr抑制特征和强大的VACV抗病毒活性.
- 化合物5-1代表了作为抗病毒治疗药物进一步开发的有希望的候选者,显示出改善的功效和有利的ADME特征.
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