在Enterobacterales和Acinetobacter baumannii菌株中逆转素耐药性的Cinnamaldehyde和Baicalin
Natalia A Mireles1,2, Cristina F Malla1, María M Tavío3
1Microbiology, Clinical Science Department, Faculty of Health Sciences, Universidad de Las Palmas de Gran Canaria, Paseo Blas Cabrera Felipe s/n, Las Palmas de Gran Canaria, 35016, Spain.
概括
丁甲和贝卡林可以增强胆固醇对抗耐药性细菌的有效性,如肠杆菌和Acinetobacter baumannii. 这些化合物有助于逆转胆固醇抗性,为治疗多抗药性感染提供了新的策略.
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.
- 传染性疾病 传染性疾病
背景情况:
- 胆固醇是一种关键的最后避难抗生素,用于多药耐药的格拉姆阴性细菌感染.
- 临床分离物体中胆固醇耐药性的增加需要新的治疗方法.
- 天然化合物甲和甲具有已知的抗菌特性.
研究的目的:
- 研究肉甲和贝卡林对强化胆固醇活性的潜力.
- 评估它们对抗抗素耐药的肠杆菌和Acinetobacter baumannii的疗效.
主要方法:
- 确定了最小抑制度 (MIC) 和分数抑制度 (FIC) 索引.
- 时间杀伤试验评估了组合的杀菌活性.
- 研究了细胞壁电荷修饰剂 (L-氨酸,L-谷氨酸,糖糖) 对胆固醇组合的影响.
主要成果:
- 在无毒度下,肉甲和贝卡林在肠杆菌和A. baumannii中逆转了胆固醇抗性.
- 组合证明了对高度耐药菌株的协同作用或杀菌作用.
- 抗性的逆转可能涉及细菌细胞壁损伤和透性增加.
结论:
- 丁甲和贝卡林作为有效的辅助剂作用于胆固醇.
- 这些天然化合物在对抗抗素耐药的肠杆菌和A. baumannii感染方面表现有前途.
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