发现轴化基拉尔BINOL衍生物作为多目标抗菌剂
Huixiang Wu1, Hua Yang1,2, Yiwei Sun1
1College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, P. R. China.
新的性抗菌剂可以对抗抗生素耐药性. 化BINOL衍生物,特别是 (S) -6,6′-双-BINOL (S4),对黄金葡萄球菌和MRSA表现出强烈的活性,抑制生物膜形成和细菌生长.
科学领域:
- 药用化学 医学化学
- 有机合成 有机合成
- 微生物学 微生物学
背景情况:
- 抗生素耐药性是一个关键的全球健康威胁.
- 迫切需要开发新的抗菌剂.
- 状分子为有针对性的生物相互作用提供了潜力.
研究的目的:
- 设计和合成新型素化奇拉BINOL衍生物.
- 为了评估它们的抗菌活性对抗格拉姆阳性细菌.
- 通过分子对接来研究它们的作用机制.
主要方法:
- 合成和表征合性BINOL衍生物.
- 确定针对S. aureus和MRSA的最小抑制度 (MIC).
- 生物膜抑制测定.生物膜抑制测定.
- 多目标分子对接分析.
主要成果:
- (S) -6,6′-双-BINOL (S4) 显示出对S. aureus (MIC=2.0μg/mL) 和MRSA (MIC=8μg/mL) 的强烈活性.
- S4显著降低了细菌生物膜粘附,并在2倍MIC时在12小时内实现了完全杀死细菌.
- 配置为S的BINOL衍生品比配置为R的同类药物显示出更高的抗菌功效.
- 分子对接揭示了S4与关键目标的强烈结合:TMK,PqsR和PBP2a.
结论:
- 素化奇拉BINOL衍生物,特别是S4,是有前途的抗菌剂.
- 立体化学和化对于调节抗菌功效至关重要.
- S4表现出针对细菌毒性因素的多目标活性,提供了一种新的治疗策略.
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