多作为潜在的β-乳糖酶抑制剂:综合计算和实验研究
Fatima Mourabiti1, Fatimazahra Jouga1, Lorena G Calvo2
1Laboratory of Health, Environment and Biotechnology, Team of Physiopathology, Molecular Genetics and Biotechnology, Faculty of Sciences Ain Chock, Hassan II University of Casablanca, Casablanca 20100, Morocco.
Molecules (Basel, Switzerland)
|November 27, 2025
概括
四种天然的多醇显示出作为碳酶抑制剂的前景,对抗细菌耐药性. 奎尔塞丁和凯姆菲罗尔表现出强烈的结合,有可能恢复抗生素对抗性细菌的有效性.
科学领域:
- 生物化学 生物化学
- 药理学 药理学是指药理学的学科.
- 微生物学 微生物学
背景情况:
- β-乳酸酶的产生是细菌对卡巴胺耐药性的主要驱动因素.
- 开发有效的碳烯酶抑制剂对于打击抗菌素耐药性至关重要.
研究的目的:
- 为了确定可以抑制碳烯酶活性的天然多.
- 评估选择的多的结合亲和力,稳定性和安全性,以对抗关键的碳烯酶.
- 评估这些聚醇与抗生素结合的抗菌和协同作用.
主要方法:
- 在分析包括分子对接,分子动力学和ADMET预测.
- 在体外抗菌试验和对*Klebsiella pneumoniae*,*Escherichia coli*和*Pseudomonas aeruginosa*进行的棋盘分析.
- 评估β-乳酸的水解活性抑制.
主要成果:
- 奎尔赛丁,凯姆菲罗尔和咖啡酸对KPC-2,NDM-1和OXA-48碳烯酶表现出强烈的结合亲和力和稳定性.
- 奎尔赛丁和凯姆菲罗尔表现出最高的结合亲和力 (-8.0 kcal/mol),相互作用稳定.
- 试验室研究证实了抗菌活性,与塞福塔キシ姆的协同作用,以及氨酸对β-乳酸盐水解的显著抑制.
结论:
- 研究的多,特别是氨酸和珀醇,显示出作为天然β-乳酸酶抑制剂的显著潜力.
- 这些化合物具有有利的药理动力学特征和低毒性.
- 进一步的体内和酶动力学研究是有必要的,以探索它们对抗抗卡巴胺耐药细菌的治疗应用.
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