通过与RNA聚合酶相互作用,17-hydroxy-jolkinolide B具有抗Mycobacterium结核病活性
Xiuyan Han1, Changming Chen2, Renxiang Zhao3
1Pharmaceutical Research Center, Second Affiliated Hospital of Dalian Medical University, Dalian 116044, People's Republic of China.
来自Euphorbia fischeriana的一种新型化合物17-基基诺化B (HJKB),对结核病 (TB) 细菌表现出强烈的活性. HJKB抑制转录,并为结核病治疗提供一种潜在的天然产品.
科学领域:
- 自然产品化学 自然产品化学
- 微生物学 微生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- Euphorbia fischeriana在传统中医药中用于结核病 (TB) 的使用历史悠久.
- 结核病仍然是一个重大的全球卫生挑战,需要新的治疗策略.
研究的目的:
- 为了识别和描述具有抗菌细菌活性的E. fischeriana的生物活性化合物.
- 调查已识别的化合物对Mycobacterium结核病的作用机制.
主要方法:
- 从E. fischeriana中分离和识别17-基-基诺化B (HJKB).
- 针对M.结核病菌株的抗菌细菌活性测试 (MICs).
- 在巨细胞模型中进行细胞内杀菌试验.
- 化学蛋白质组分析,拉下测试和分子对接以确定目标相互作用.
主要成果:
- HJKB表现出强大的抗菌菌活性,MIC范围为1-12μg/mL.
- HJKB对细胞内M.结核病和抗炎性质表现出显著的杀菌作用.
- 发现HJKB与RNA聚合酶的RpoB和RpoC子单元相互作用,抑制转录.
结论:
- 17基基诺利德B (HJKB) 是一种具有抗结核病功效的有前途的天然产品.
- HJKB作为一种对抗M.结核病的转录抑制剂.
- 这项研究为开发天然产品衍生结核病疗法提供了临床前的基础.
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