抗击黄金葡萄球菌和皮肤感染的新武器
Eliana M Cela1,2, Dolores Urquiza1,3, Marisa I Gómez1,3,4
1Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires C1425FQB, Argentina.
Antibiotics (Basel, Switzerland)
|October 27, 2023
概括
黄金葡萄球菌感染中的抗生素耐药性是一个日益严重的问题. 本综述探讨了包括纳米材料和替代疗法在内的新策略,以提高对抗性菌株的治疗有效性.
科学领域:
- 传染性疾病 传染性疾病
- 材料科学 材料科学 材料科学
- 药理学 药理学是指药理学的学科.
背景情况:
- 抗生素耐药的黄金葡萄球菌菌株,特别是耐甲林的黄金葡萄球菌 (MRSA),在治疗皮肤和软组织感染方面提出了重大挑战.
- 目前的MRSA治疗方法具有较差的生物可用性,不良的新陈代谢和严重的副作用.
- 黄金色杆菌可以通过居住在生物膜或宿主细胞中来逃避抗生素,并且患者特定的因素,如血管妥协,可以阻碍药物输送.
研究的目的:
- 审查有希望的改善抗生素敏感性,生物可用性和S. aureus感染的传递策略.
- 探索用于管理这些具有挑战性的感染的非抗生素基础的替代疗法.
主要方法:
- 对当前和新兴治疗策略的文献综述.
- 分析将抗生素与其他药物 (纳米材料,抑制剂,寡核酸,酶) 结合使用的方法.
- 评估非抗生素疗法,如抗微生物,纳米颗粒,光疗法和高温症.
主要成果:
- 与杀菌纳米材料,化学抑制剂,反感性寡核酸和性酶的组合疗法显示出潜在的潜力.
- 包括抗微生物,生物活性玻璃纳米颗粒,纳米晶纤维素,光疗和高温症在内的替代疗法正在研究中.
- 这些策略旨在克服耐药性,改善药物透率,提高整体治疗疗效.
结论:
- 新的战略对于打击抗生素耐药性黄金色杆菌日益增长的威胁至关重要.
- 将传统抗生素与先进的输送系统相结合,并探索非抗生素替代品,为未来的治疗提供了有希望的途径.
- 需要进一步的研究和开发来将这些实验性疗法转化为临床实践.
相关概念视频
Defense Against Bacterial Pathogens
1.4K
The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
1.4K
Hand hygiene
3.3K
Asepsis is the practice of preventing or breaking the chain of infection. The nurse employs aseptic techniques to prevent the spread of microorganisms and reduce the risk of diseases. Hand hygiene is the cornerstone of aseptic techniques and is classified into medical and surgical asepsis. Medical asepsis includes hand hygiene and the use of gloves. Surgical asepsis, or the sterile technique, refers to practices that render and keep objects and areas free of microorganisms.
Hand washing...
Hand washing...
3.3K
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
Skin Diseases and Disorders
3.9K
Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
3.9K
Antimicrobial Effectiveness
24
The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
24


