抗菌疗效的 抗菌疗效的
Preeyaporn M Sreepian1, Panthip Rattanasinganchan2, Apichai Sreepian1
1Faculty of Medical Technology, Rangsit University, Pathum Thani 12000, Thailand.
概括
香精油 (CHEO) 显示了对抗甲基西林耐药黄金葡萄球菌 (MRSA) 的抗菌活性. CHEO,单独或与 gentamicin 结合,有效地杀死 MRSA,为打击日益增长的抗生素耐药性提供了潜在的替代方案.
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.
- 自然产品 化学 化学
背景情况:
- 甲素耐药黄金葡萄球菌 (MRSA) 是一个重大的全球卫生挑战,因为其发病率和多药性耐药性 (MDR) 的增加.
- 油精油 (CHEO) 已证明具有广泛的抗菌性质,这表明了潜在的治疗应用.
研究的目的:
- 为了评估CHEO的抗菌疗效,无论是独立的还是与 gentamicin 的协同作用.
- 评估CHEO的活性,以对抗对甲素敏感的S. aureus (MSSA) 和MRSA的临床分离物.
主要方法:
- 进行了磁盘扩散和最小抑制度 (MIC) 试验,以确定CHEO的抗菌活性.
- 消耗时间的动力学和棋盘定位被用来评估杀菌效应和与珍塔米辛的协同相互作用.
- 使用HaCaT细胞系评估了细胞毒性.
主要成果:
- CHEO对MSSA和MRSA分离物具有显著的抗菌活性,MIC值约为18 mg/mL.
- CHEO证明了杀菌作用,在12小时内完全消除MSSA和MRSA在1xMIC.
- 观察到CHEO和珍塔素之间的协同作用和添加作用,分数抑制度 (FIC) 指数从0.012到0.625.5不等.
- CHEO显示出低细胞毒性概况,IC50值为2.15 mg/mL,对HaCaT细胞的作用.
结论:
- CHEO对MSSA和MRSA具有强烈的杀菌活性,包括多药耐药菌株.
- 结合CHEO和 جنت米辛,增强了抗菌疗效,这表明它具有协同作用.
- CHEO代表了一种有前途的天然替代剂,用于对抗耐药细菌感染,特别是MDR MRSA,可能减轻进一步耐药性的出现.
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