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调节菌根细菌包膜完整性,以实现与本佐醇的抗生素协同作用

Eva Habjan¹, Alexander Lepioshkin², Vicky Charitou¹

¹Department of Medical Microbiology and Infection Prevention, Amsterdam UMC, Location VU Medical Center, Amsterdam, Netherlands.

Life science alliance

|May 14, 2024

概括

新的西醇化合物增强了结核病细菌的透性.

科学领域:

微生物学微生物学
药用化学医学化学
药物发现药物发现药物发现

背景情况:

菌根菌具有无透的细胞外,有助于内在抗生素耐药性.
由于这种耐药性机制,开发新的结核病药物具有挑战性.

研究的目的:

开发新型的西醇化合物,增加菌根细胞包膜的透性.
通过向细胞外防御来确定针对Mycobacterium结核病的新疗法策略.

主要方法:

查佐醇化合物,以检测它们提高膜透性的能力 (乙化的吸收).
在Mycobacterium marinum-zebrafish胚胎和Mycobacterium结核病感染的巨细胞模型中测试化合物的疗效.
研究药物协同作用与现有的抗生素,如万科米辛和利芬皮辛.
通过抵抗突变分析识别化合物的分子标.

主要成果:

最初的化合物BT-08增强了膜透性,并在感染模型中显示出有效性.
BT-08证明了与万科米辛和利芬皮辛的协同效应.
优化化合物BT-37表现出更好的功效和无毒性,保持与利芬素的协同作用.
确定MMAR_0407 (Rv0164) 是BT-37的分子标,对其活性和协同作用至关重要.

结论:

新型西醇衍生物 (BT-08,BT-37) 有效地提高了菌根细胞外的透性.
这些化合物与现有的抗生素具有协同作用,为克服耐药性提供了潜在的战略.
鉴定MMAR_0407作为新药标,为结核病治疗开发提供了新的途径.

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