在实验室中,mupirocin喷雾对 Staphylococcus pseudintermedius 的抗菌和抗菌膜作用
1Department of Veterinary Internal Medicine, College of Veterinary Medicine, Kyungpook National University, 80 Daehak-ro, Daegu, 41566, Korea.
Polish journal of veterinary sciences
|December 30, 2024
概括
穆皮罗辛喷雾剂有效地对抗狗狗的Staphylococcus pseudintermedius感染. 度为1-2%的mupirocin喷雾剂显示出显著的抗菌和抗菌膜活性,证明对治疗犬类皮肤炎有益.
科学领域:
- 兽医皮肤病学 兽医皮肤病学
- 微生物学 微生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- 穆皮罗辛是一种有效的局部抗生素,用于治疗皮肤感染.
- 墨皮洛辛的药膏配方在狗系统性皮肤炎中存在应用挑战.
- 临床医生经常将mupirocin膏重新制成喷雾剂,用于非标签用途.
研究的目的:
- 评估不同度的mupirocin喷雾剂 (0.5%,1%,2%) 对 Staphylococcus pseudintermedius 的抗菌和抗菌膜作用.
- 评估这些效应在21天的时间内的稳定性.
- 为了确定最佳的度用于临床应用在狗皮肤炎.
主要方法:
- 穆皮罗辛喷雾是通过将穆皮罗辛药膏与蒸水混合而制备的.
- 使用微稀释试验和活/死染色来评估抗菌活性.
- 抗生物膜活性通过晶体紫色染色量化.
主要成果:
- 所有测试的mupirocin喷雾度都抑制了Staphylococcus pseudintermedius的生长.
- 穆皮罗辛喷雾剂证明了对生物膜形成的剂量依赖抑制.
- 与0.5%相比,观察到2%和1%的mupirocin喷雾剂具有显著的抗菌和抗菌膜疗效.
- 观察到的效应在21天内保持稳定.
结论:
- 穆皮罗辛喷雾配方,特别是在1-2%度下,对 Staphylococcus pseudintermedius 有效.
- 穆皮罗辛喷雾为治疗犬体系统性皮肤炎提供了一种方便和有效的替代方案.
- 该研究支持mupirocin喷雾剂在兽医皮肤学应用中的临床实用性.
更多相关视频
09:26Antibiotic Efficacy Testing in an Ex vivo Model of Pseudomonas aeruginosa and Staphylococcus aureus Biofilms in the Cystic Fibrosis Lung
Published on: January 22, 2021
6.8K
06:36Improved Enzyme Protection Assay to Study Staphylococcus aureus Internalization and Intracellular Efficacy of Antimicrobial Compounds
Published on: September 8, 2021
2.6K
相关概念视频
Surface Membrane Barriers
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...
Antimicrobial Effectiveness
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...
Mechanism of Antibiotic Resistance in MRSA
Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and acquisition...
Clinical Significance of Antibiotic Resistance
Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...
