由贝达基林诱导的线粒体功能障碍作为抗毒素的替代品
Yuehong Shi1, Yucong Jiang1, Haolong Qiu1
1College of Animal Science and Technology, Guangxi University, Nanning, 530004, China.
Veterinary research
|December 20, 2023
概括
贝达奎林是一种抗结核药物,有效地抑制了Toxoplasma gondii的生长,并减少了小鼠的大脑囊. 这种重新设计的药物显示出通过向寄生虫线粒体来治疗毒素菌的前景.
科学领域:
- 寄生虫学的寄生虫学
- 药物重用 药物重用
- 线粒体生物学 线粒体生物学
背景情况:
- 毒淋巴菌感染了全球三分之一的人口,由于复杂的生命周期,治疗选择有限.
- 对于具有强大的抗毒素菌活性的新药或重新设计的药物有着至关重要的需求.
研究的目的:
- 为了研究 FDA 批准的抗菌菌药物贝达基林 (Bedaquiline,BDQ) 对抗毒菌的疗效.
- 阐明BDQ对T. gondii的作用机制.
主要方法:
- 在体外评估BDQ对T. gondii tachyzoites的抑制.
- 对BDQ对寄生虫线粒体结构,膜潜力,ATP水平和活性氧物种 (ROS) 的影响进行分析.
- 转录组分析以确定受影响的途径,并在慢性毒素菌的小鼠模型中进行体内评估.
主要成果:
- 在没有影响入侵的情况下,BDQ显示出强大的,剂量依赖的T. gondii tachyzoite增殖抑制 (EC50 = 4.95 μM).
- 治疗BDQ导致线粒体收缩,膜潜力和ATP水平降低,ROS增加,并诱导了自.
- 转录组数据显示氧化酸化途径发生显著破坏;BDQ治疗减少了受感染小鼠的大脑囊.
结论:
- 贝达基林表现出显著的抗毒素淋巴细胞活性,可能是通过阻断质子运输来损害线粒体功能.
- BDQ 是一个有前途的候选人,可以作为抗毒素菌的治疗剂重新使用.
- 这些发现支持开发针对寄生虫线粒体的新药,用于治疗毒素.
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