使用Radix Paeoniae Rubra抑制Rhizoma Coptidis介导的金黄色葡萄球菌的抗生素交叉耐药性
Chaoheng Chen1, Yilan Huang1, Yanke Liao1
1Institute of Pharmacy, Guangxi University of Chinese Medicine, Guangxi, 530001, People's Republic of China.
Current microbiology
|August 24, 2025
概括
拉迪克斯·佩奥尼亚·鲁布拉提取物 (RPRE) 抑制了黄金菌的抗生素耐药性. 在RPRE中,酸 (GA) 被确定为抑制对四环素,皮佩拉西林和仁素耐药性的关键成分.
科学领域:
- 药理学
- 微生物学
- 自然产品化学
背景情况:
- 草根菌 (Rhizoma Coptidis) 提取物诱导多种抗生素的交叉耐药性.
- 在克服这种诱导抗生素耐药性方面,Radix Paeoniae Rubra提取物 (RPRE) 具有潜力.
研究的目的:
- 研究RPRE在SA中抑制RCE介导的抗生素交叉耐药性的机制.
- 确定RPRE中主要的活性成分导致这种效果.
主要方法:
- 用单独的RCE和与RPRE或其分离物结合治疗SA菌株.
- 对15个相关的抗性基因进行了基因表达分析.
- 使用染色学分离RPRE,使用HPLC-MS分析活性成分.
- 隔离了酸 (GA),并对其抑制抗生素耐药性的能力进行了测试.
主要成果:
- RPRE治疗消除了由RCE诱导的TET,PIP和GEN抵抗.
- 十五个关键的抗性基因被RPRE显著降低.
- RPRE的分化产生了抑制耐药性的化物,其中酸 (GA) 被确定为关键成分.
- 治疗GA抑制了RCE介导的交叉耐药性,并减少了耐药性基因的表达.
结论:
- 酸 (GA) 是RPRE的主要活性成分,负责克服SA中RCE诱导的TET,PIP和GEN的交叉耐药性.
- 这一发现提供了一种潜在的基于天然化合物的策略,用于对抗黄金菌的抗生素耐药性.
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