纳米材料:生物膜形成治疗的前性战略
Fansen Meng1,2, Lyukun Yang2, Mingzhong Ji2
1Department of Gastroenterology, Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, 100853, People's Republic of China.
International journal of nanomedicine
|April 28, 2025
概括
杆菌 (H. pylori) 生物膜是抗生素耐药性和治疗挑战的主要原因. 纳米材料提供了一种有希望的策略,通过破坏生物膜和增强药物输送来对抗这些耐药的H. pylori感染.
科学领域:
- 微生物学 微生物学
- 材料科学 材料科学 材料科学
- 纳米技术 纳米技术
背景情况:
- 杆菌感染影响全球50%以上的人口,导致胃癌.
- H. pylori 抗生素耐药性是一个日益增长的临床挑战,通常与生物膜形成有关.
- 杆菌生物膜会产生物理障碍并促进抵抗机制,阻碍根除努力.
研究的目的:
- 审查H. pylori生物膜形成和抗生素耐药性的机制.
- 总结使用纳米材料对抗H. pylori生物膜的最新进展.
- 为开发纳米材料对抗H. pylori的临床应用提供基础.
主要方法:
- 关于H. pylori生物膜和纳米材料的科学文献的综述.
- 对生物膜破坏和抗微生物活性相关的纳米材料特性分析.
- 关于基于纳米材料的H.pylori根除策略的信息综合.
主要成果:
- 杆菌生物膜显著导致抗生素耐药性和治疗失败.
- 纳米材料表现出对H. pylori生物膜有效的多种特性,包括抑制,提高透性和破坏.
- 纳米材料可以协同提供抗微生物药物,克服耐药性.
结论:
- 纳米材料为治疗H. pylori感染提供了一个有前途的治疗策略,特别是那些涉及生物膜的感染.
- 对于对H. pylori生物膜的纳米材料的临床应用,需要进一步的研究和开发.
- 针对性交付和纳米材料的协同效应提供了一种新的方法来打击抗生素耐药的H. pylori.
相关概念视频
01:16Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy
2.2K
Helicobacter pylori, a resilient gram-negative bacterium, can thrive in the stomach's harsh, acidic environment. Infection with H. pylori leads to a cascade of events within the stomach lining. One of the critical disruptions caused by this bacterium is the interference with somatostatin production, a hormone responsible for regulating acid secretion. This interference tips the balance, escalating acid secretion and diminishing bicarbonate levels. This imbalance compromises the defensive...
2.2K
01:26Peptic Ulcer Disease IV: Management
668
Medical treatment strategies for peptic ulcers encompass various methods. The primary goal of treatment is to diminish gastric acidity and strengthen mucosal defense mechanisms.
The therapeutic approach involves ensuring adequate rest, implementing drug therapy, promoting smoking cessation, making dietary modifications, and emphasizing long-term follow-up care.
Pharmacological management
The prevailing therapy for peptic ulcers involves a combination of managing the patient's current...
The therapeutic approach involves ensuring adequate rest, implementing drug therapy, promoting smoking cessation, making dietary modifications, and emphasizing long-term follow-up care.
Pharmacological management
The prevailing therapy for peptic ulcers involves a combination of managing the patient's current...
668
01:29Biofilms
1.9K
Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...
1.9K
01:28Biological Methods for Microbial Control
1.3K
Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
1.3K
01:24Microbial Corrosion
61
Microbiologically Influenced Corrosion (MIC) is a significant form of material degradation caused by the metabolic activities of microorganisms. This phenomenon poses substantial challenges across various industries, including oil and gas, maritime, and water treatment sectors.MIC occurs when microorganisms, such as bacteria, archaea, and fungi, colonize metal surfaces, forming biofilms that alter the local electrochemical environment. These biofilms can lead to the production of corrosive...
61