一个手臂到武器的战略,以克服表型AMR在Mycobacterium结核病
T Anand Kumar1, Shalini Birua2, M SharathChandra3
1Department of Chemistry, Indian Institute of Science Education and Research (IISER), Pune, India.
bioRxiv : the preprint server for biology
|January 23, 2024
概括
新的前期药物克服了结核病的耐药性. 这些新的化甲基莫西弗洛克萨 (MXF) 前药物增强了药物输送和有效性,对抗非复制性Mycobacterium结核病 (Mtb) 持续存在,解决了抗菌素耐药性 (AMR).
科学领域:
- 微生物学 微生物学
- 药物发现 药物发现 药物发现
- 抗微生物耐药性 抗微生物耐药性
背景情况:
- 前线结核病药物对低氧性,不复制的Mycobacterium结核病 (Mtb) 存在持久性无效.
- 这种无效性源于药物通过mtb细胞壁的透性差,导致药物积累和向参与率低.
- 在Mtb的表型抗菌素耐药性 (AMR) 持续存在,这对结核病治疗构成了重大挑战.
研究的目的:
- 开发一种新的前药物策略,使不复制的mtb持续对现有的结核病药物敏感.
- 设计和合成由细菌酸还原酶 (NTR) 激活的酸甲基摩キシ素 (MXF) 前药物.
- 评估这些前药物在改善药物透性,细胞内积累和对持续存在的mtb的致命性方面的疗效.
主要方法:
- 设计和合成一系列的Nitroteeroaryl MXF前药物.
- 评估由细菌缩酶 (NTR) 激活前药物的评估,这些细菌缩酶在缺氧的Mtb.中过度表达.
- 使用表型和基因型数据评估前药物疗效,测量细胞内药物度和Mtb持续致死率.
主要成果:
- 开发的化甲基MXF前药物被Mtb中的NTR有效地激活.
- 与单独使用MXF相比,前药物给药导致MXF的细胞内度增加.
- 这种前药对不复制的mtb持久体的致命性明显高于单独的mxf.
结论:
- 这种"用手臂去解除武器"的前药物方法成功地使mtb对moxifloxacin产生敏感性.
- 这一策略提高了药物的透性和积累,从而提高了药物向的参与度和有效性.
- 产物药物代表了一种有前途的新治疗范式,用于克服结核病治疗中的类型性抗药性.
关键词:
抗微生物耐药性 抗微生物耐药性毒品的积累 毒品的积累诺基诺类化.菌根细菌 (mycobacteria) 是一种细菌.透性 透性的它是持久的,持续的.抗微生物药物耐药性的表型结核病是一种肺结核病.更多相关视频
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