Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 22, Issue 15, Pages -Publisher
MDPI
DOI: 10.3390/ijms22157927
Keywords
antimicrobial peptides; vancomycin-resistant Staphylococcus aureus; vancomycin-intermediate resistant Staphylococcus aureus
Funding
- Direccion General de Investigaciones of Universidad Santiago de Cali [DGI: 934-621121-2367]
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The emergence of bacteria resistant to conventional antibiotics, especially VRSA and VISA strains, poses a serious threat to global health. Developing new antimicrobial alternatives, such as antimicrobial peptides (AMPs), is urgently needed as a promising therapeutic strategy to combat resistant strains. Evaluating natural, artificial, and synthetic AMPs against VRSA and VISA strains shows great potential for clinical application.
The emergence of bacteria resistant to conventional antibiotics is of great concern in modern medicine because it renders ineffectiveness of the current empirical antibiotic therapies. Infections caused by vancomycin-resistant Staphylococcus aureus (VRSA) and vancomycin-intermediate S. aureus (VISA) strains represent a serious threat to global health due to their considerable morbidity and mortality rates. Therefore, there is an urgent need of research and development of new antimicrobial alternatives against these bacteria. In this context, the use of antimicrobial peptides (AMPs) is considered a promising alternative therapeutic strategy to control resistant strains. Therefore, a wide number of natural, artificial, and synthetic AMPs have been evaluated against VRSA and VISA strains, with great potential for clinical application. In this regard, we aimed to present a comprehensive and systematic review of research findings on AMPs that have shown antibacterial activity against vancomycin-resistant and vancomycin-intermediate resistant strains and clinical isolates of S. aureus, discussing their classification and origin, physicochemical and structural characteristics, and possible action mechanisms. This is the first review that includes all peptides that have shown antibacterial activity against VRSA and VISA strains exclusively.
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