创新的脂载体:一个可行的策略来抵消抗菌素耐药性
Daria Nicolosi1, Giulio Petronio Petronio2, Stefano Russo3
1Department of Drug and Health Sciences, Università degli Studi di Catania, 95125 Catania, Italy.
International journal of molecular sciences
|November 14, 2023
概括
抗生素耐药性是一个日益增长的威胁. 新的纳米配方如脂质体,病毒体和外体提供创新的药物输送解决方案,以对抗耐药细菌并保持抗生素的有效性.
科学领域:
- 微生物学 微生物学
- 纳米技术纳米技术
- 药理学 药理学是指药理学的学科.
背景情况:
- 滥用抗生素会导致多抗药性 (MDR),广泛抗药性 (XDR) 和泛抗药性 (PDR) 的细菌.
- 抗菌素耐药性 (AMR) 需要改进的抗生素策略和新的药物输送系统.
- 优化抗生素处方和配方对于保持药物的疗效至关重要.
研究的目的:
- 审查针对抗生素耐药性的微粒细胞研究的现状.
- 探索脂质体,病毒体和外体作为先进的药物输送载体的潜力.
- 突出改善抗生素药理动力学和减少耐药性的创新方法.
主要方法:
- 在抗生素输送中对微微囊,脂质体,病毒体和外体进行文献综述.
- 对纳米配方的结构性质,生物相容性和目标活动的分析.
- 用于药物输送的化学合成与自然衍生的囊泡的评估.
主要成果:
- 纳米配方,包括脂质体,病毒体和外体,显示出作为有效的抗生素输送系统的希望.
- 脂质体和病毒体是已建立的合成载体;外体是自然衍生的,高度生物相容的囊泡.
- 这些微微囊具有独特的特性,可用于有针对性的输送,潜在地改善治疗结果并对抗耐药性.
结论:
- 脂质体,病毒体和外体是解决抗生素耐药性的全球威胁的创新工具.
- 先进的纳米配方可以增强抗生素的疗效,并减少药物耐药性的发展.
- 对这些微粒的进一步研究对于开发下一代抗菌疗法至关重要.
相关概念视频
Cellular Membranes and Drug Transport
598
Drugs must traverse multiple biological barriers, such as multi-layered skin, single-layered intestinal epithelium, and the plasma membrane, to reach their target sites within the body. The plasma membrane, a highly structured composite of phospholipids, carbohydrates, and proteins, is the cell's protective boundary, facilitating selective substance exchange.
Phospholipids arrange themselves into a bilayer, with hydrophilic heads oriented outward and hydrophobic tails facing inward.
Phospholipids arrange themselves into a bilayer, with hydrophilic heads oriented outward and hydrophobic tails facing inward.
598
Development of Antibiotic Resistance
17
Antibiotic resistance is a major public health concern that arises when bacteria evolve mechanisms to withstand the effects of antibiotic treatments. This resistance can be intrinsic, acquired through genetic mutations, or transferred between bacteria via horizontal gene transfer. The development of antibiotic resistance poses significant challenges in treating bacterial infections and necessitates ongoing research to develop new therapeutic strategies.Intrinsic resistance occurs when bacterial...
17
Biosynthesis of Lipids
14
Microbial membranes exhibit remarkable diversity in lipid composition, reflecting evolutionary adaptations to various environmental conditions. The three domains of life—Bacteria, Archaea, and Eukarya—synthesize membrane lipids through distinct biosynthetic pathways, leading to fundamental structural differences that impact membrane stability, function, and adaptability.Fatty Acid-Based Lipids in Bacteria and EukaryaBacteria and eukaryotes share a common fatty acid biosynthesis...
14
Carrier-Mediated Transport
448
Carrier-mediated transport is a pivotal process in drug absorption, particularly for lipid-insoluble drugs, and encompasses facilitated diffusion and active transport. Facilitated diffusion allows drugs to move along their concentration gradient without energy expenditure, while active transport utilizes ATP to drive drug movement against this gradient.
Active transport involves two types of membrane-spanning transporters: uptake and efflux. Uptake transporters are expressed in the small...
Active transport involves two types of membrane-spanning transporters: uptake and efflux. Uptake transporters are expressed in the small...
448
Combined Effects of Drugs: Synergism
4.0K
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...
4.0K
Surface Membrane Barriers
1.1K
The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
1.1K


