从植物和海洋化合物中识别出Mycobacterial CYP124的多种配体
Leonid Kaluzhskiy1, Evgeniy Yablokov1, Tatsiana Varaksa2
1Institute of Biomedical Chemistry, 10 Building 8, Pogodinskaya Street, 119121 Moscow, Russia.
Biochimie
|February 28, 2026
概括
研究人员确定了抑制CYP124的新型天然化合物,该化合物是结核病的潜在药物标. 这些化合物可能会通过向细菌毒性来导致抗药结核病的新疗法.
科学领域:
- 生物化学 生物化学
- 微生物学 微生物学
- 药物发现 药物发现 药物发现
背景情况:
- 结核病仍然是一个重大的全球卫生挑战,耐药菌株加剧了这一问题.
- 来自Mycobacterium tuberculosis的细胞染色体P450 124家族 (CYP124) 是一个有前途的治疗点,因为它在毒性和宿主固醇代谢中的作用.
研究的目的:
- 从自然化合物中识别CYP124的新型非azole配体.
- 研究CYP124抑制剂作为治疗多药耐药结核病的潜力.
主要方法:
- 使用表面等离子体共振和UV-Vis光谱定位对32种植物衍生和海洋天然化合物的选.
- 在基分子对接和结构相似性分析.
主要成果:
- 对CYP124发现了9种新的非azole配体.
- 两种化合物,15β-octaol和亨利化物H2 (HD-4) 与CYP124.4形成了长期存在的抑制复合物.
- 分子对接揭示了在CYP124活性部位中对联体结合至关重要的保存水残留物.
- 结构分析表明,CYP124配体与人体内源性固醇之间存在相似之处,这表明宿主-病原体相互作用.
结论:
- 发现了针对CYP124的新型天然化合物,为开发新的抗结核治疗药物提供了基础.
- 了解CYP124连接体相互作用可能会揭示宿主-病原体界面的固醇介导机制.
- 这些发现为针对耐药结核病的基于机制的CYP124抑制剂铺平了道路.
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