辛尼丁可以增强细胞内红色素活性,对抗Rhodococcus equi
Farzaneh Javadimarand1, Pablo Castañera1, Blanca Lorente-Torres1
1Departamento de Biología Molecular, Área de Microbiología, Universidad de León, 24071, León, Spain.
辛尼丁 (CIN) 通过向氧化还原平衡来增强红红素 (ERY) 对抗 Rhodococcus equi 的疗效. 这种组合疗法在治疗由多抗药细胞内细菌引起的感染方面表现有前途.
科学领域:
- 微生物学 微生物学
- 药理学 药理学是指药理学的学科.
- 传染性疾病 传染性疾病
背景情况:
- Rhodococcus equi会在小羊和免疫力低下的人群中引起严重的感染.
- 在R. equi的细胞内生存导致多药性耐药性和治疗挑战.
- 新的治疗策略对于对抗R. equi感染至关重要.
研究的目的:
- 确定针对R. equi.的新型抗菌化合物.
- 评估天然化合物及其组合对R. equi.的疗效.
- 研究协同抗菌作用的作用机制.
主要方法:
- 对3251种天然化合物进行针对R. equi菌株的选.
- 使用棋盘测试确定最小的抑制度和协同作用.
- 在小鼠巨细胞中细胞内疗效的评估和氧化还原应激量化.
主要成果:
- 三十八种化合物选择性地抑制了缺乏mrx的R. equi突变体,这表明了氧化还原介导机制.
- 红素 (ERY) 和辛尼丁 (CIN) 组合显示出显著的协同作用,降低了细胞内细菌负载.
- ERY-CIN协同作用与高氧化应激有关,证实了基于氧化还原的机制.
结论:
- 辛尼丁 (CIN) 作为一种氧化还原活性辅助剂,增强红色素 (ERY) 细胞内活性,对抗R. equi.
- 该ERY-CIN组合的目标是细菌氧化还原稳定,增强细胞内R. equi.的清除.
- 这种组合方法提供了对抗多药耐药细胞内病原体的有希望的策略.
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