奇诺林化衍生物作为新型抗菌剂,对抗多药耐药菌株
Diana Hodyna1, Vasyl Kovalishyn1, Yanina Romanenko2
1V.P. Kukhar Institute of Bioorganic Chemistry and Petrochemistry of, National Academy of Science of Ukraine, Kyiv, 02094, Academician Kukhar Str., 1, Ukraine.
Chemistry & biodiversity
|August 8, 2023
概括
新型氨酸化衍生物显示出作为抗微生物剂的前景,有效抑制金黄色葡萄球菌和大肠杆菌的标准和耐药菌株. 这些化合物向二叶酸减少酶,表明潜在的新治疗途径.
科学领域:
- 药用化学 医学化学
- 计算化学计算化学
- 微生物学 微生物学
背景情况:
- 抗生素耐药细菌的增加需要开发新的抗菌剂.
- 奎诺林衍生物在抗微生物研究中显示出潜力.
- 结构-活动关系对于设计有效的候选药物至关重要.
研究的目的:
- 设计和合成林的新型2(4) - 水衍生物.
- 为了评估这些合成化合物的抗菌活性.
- 开发定量结构-活性关系 (QSAR) 模型来预测抗菌疗效.
主要方法:
- 设计和合成2(4) - 中素衍生物.
- 使用OCHEM网络平台和机器学习开发QSAR模型.
- 针对大肠杆菌和黄金杆菌的林衍生物的虚拟查.
- 使用增长抑制区进行抗菌活性测试.
- 分子对接以评估与二叶酸减少酶的结合亲和力.
主要成果:
- 已成功开发出QSAR模型来预测抗菌活性.
- 虚拟选发现了有前途的诺林衍生物.
- 合成的2(4) - 水衍生物对S. aureus和E. coli (15-30毫米抑制区) 显示出显著的抗菌活性.
- 对标准菌株和抗生素耐药菌株均观察到活性.
- 分子对接揭示了强大的结合亲和力 (-8.4到-9.4 kcal/mol) 对二叶酸减少酶.
结论:
- 合成的2(4) - 中酸衍生物具有显著的抗菌性能.
- 这些化合物代表了开发新型抗菌药物的潜在候选者.
- 这项研究强调了QSAR建模和分子对接在药物发现中的实用性.
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