评估与抗生素结合的异乙烯分子的影响:对对照菌株的初步研究
Carmelo Bonomo1, Paolo Giuseppe Bonacci1, Dalida Angela Bivona1
1Department of Biomedical and Biotechnological Sciences (BIOMETEC), Università degli Studi di Catania, Via S. Sofia, 89, 95123 Catania, Italy.
Antibiotics (Basel, Switzerland)
|August 26, 2023
概括
新型候选药物在通过降低抗生素最小抑制度 (MICs) 来对抗抗生素耐药性方面表现有前途. 将像PB4这样的化合物与现有的抗生素结合起来,可以提高对抗性细菌的疗效,尽管细胞毒性需要进一步研究.
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.
- 药物发现 药物发现 药物发现
背景情况:
- 抗生素耐药性是一个日益增长的全球健康威胁,需要开发新的抗菌剂.
- 定量结构-活性关系 (QSAR) 模型是设计具有所需性质的新药候选药物的有价值工具.
- 由于它们的内在耐药性机制,ESKAPE病原体组构成了重大挑战.
研究的目的:
- 设计和合成使用QSAR模型的新型 heteroaryl 药物候选物.
- 评估这些化合物的抗菌活性和细胞毒性,以对抗各种细菌菌株,包括ESKAPE病原体.
- 研究结合新型化合物 (GC-VI-70) 和先前研究的化合物 (PB4) 与现有的抗生素以克服耐药性的潜力.
主要方法:
- 开发用于药物设计的两个QSAR模型.
- 合成和抗菌测试六种新型异甲基候选药物,对抗九种ATCC细菌菌株.
- 在CaCo-2细胞上使用MTT试验评估化合物细胞毒性.
- 通过与五种抗生素测试PB4的MIC以下度来评估组合疗法的疗效.
主要成果:
- PB4显示了GC-VI-70和几种临床使用的抗生素的最小抑制度 (MIC) 值的降低.
- 设计的 heteroaryl 化合物对一组细菌进行了测试,其中包括关键的 ESKAPE 病原体.
- 所有测试的化合物都对CaCo-2细胞表现出一定程度的细胞毒性活性.
结论:
- 开发的QSAR模型有助于设计潜在的抗菌剂.
- 涉及PB4和现有抗生素的组合治疗显示出增强抗菌有效性和减少MIC的潜力.
- 需要进一步的研究来优化化合物以减少细胞毒性,同时保持抗菌功效.
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