选择的β-乳酸抗生素与酸及其选择衍生物之间的协同相互作用
Tomasz Zawiła1, Denis Swolana1, Marta Zawiła1
1Department of Microbiology and Virology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, ul. Jagiellońska 4, 41-200 Sosnowiec, Poland.
Antibiotics (Basel, Switzerland)
|August 29, 2024
概括
肉酸衍生物对抗Staphylococcus epidermidis的抗菌作用较弱. 将它们与β-乳糖抗生素结合,可以增强它们的抗菌活性,为植入物相关感染提供潜在的新疗法.
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:
- 人类微生物群的常见成员Staphylococcus epidermidis正在越来越多地引起机会性感染,特别是在医疗植入物中.
- 抗生素耐药性的增加需要发现新型抗菌剂.
研究的目的:
- 评估肉酸及其衍生物对血管感染的Staphylococcus epidermidis菌株的抗菌疗效.
- 研究这些化合物与β-乳糖抗生素结合时的协同效应.
主要方法:
- 进行了最小抑制度 (MIC) 测试,以确定酸衍生物的抗菌活性.
- 对临床分离物进行了使用肉酸衍生物和β-乳酸抗生素的组合测试.
主要成果:
- 酸,西纳皮酸,酸和p-酸表现出较弱的抗菌活性,MIC值高 (2048-4096 mg/L).
- 肉酸衍生物与β-乳酸抗生素的组合表明对抗 Staphylococcus epidermidis 的抗菌有效性得到了增强.
结论:
- 肉酸衍生物单独具有有限的直接抗菌作用,可以对抗Staphylococcus epidermidis.
- 与β-乳糖抗生素观察到的协同效应表明一种有前途的治疗策略,用于管理Staphylococcus epidermidis感染,特别是与植入物相关的感染.
相关概念视频
Combined Effects of Drugs: Synergism
3.8K
Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
Such synergistic combinations...
Such synergistic combinations...
3.8K
Combined Effects of Drugs: Antagonism
8.4K
The combined effects of drugs can result in various interactions, of which an important type is antagonism. Antagonism is a mechanism where one drug inhibits or counteracts the effects of another drug. Antagonism can occur through various means, including receptor binding, allosteric modulation, functional interaction, chemical reactions, and pharmacokinetic processes.
The most common type is receptor antagonism, where one drug acts as an antagonist to block the effects of another drug by...
The most common type is receptor antagonism, where one drug acts as an antagonist to block the effects of another drug by...
8.4K
Antimicrobial Proteins
951
Antimicrobial proteins are important components of the immune system. They aid the body in combating pathogens by either killing them directly or hindering their replication processes. Four main types of antimicrobial substances are interferons, the complement system, iron-binding proteins, and antimicrobial proteins.
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
951
Aryldiazonium Salts to Azo Dyes: Diazo Coupling
2.9K
The reaction of weakly electrophilic aryldiazonium (also called arenediazonium) salts with highly activated aromatic compounds leads to the formation of products with an —N=N— link, called an azo linkage. This reaction, presented in Figure 1, is known as diazo coupling and occurs without the loss of the nitrogen atoms of the aryldiazonium salt. Highly activated aromatic compounds such as phenols or arylamines favor the diazo coupling reaction. The coupling generally occurs at the...
2.9K
Cholinergic Antagonists: Pharmacokinetics
423
Cholinergic antagonists—such as antimuscarinics—are available in oral, topical, ocular, parenteral, and inhalational formulations. Most antimuscarinics are oral formulations, while scopolamine is available as a topical patch, and ipratropium and tiotropium are available as inhalation aerosols or powders. Atropine, tropicamide, and cyclopentolate are topically instilled in the eye. Most antimuscarinics are lipid-soluble and readily absorbed from the gastrointestinal tract and...
423
Antibiotic Selection
52.4K
Overview
52.4K


