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Published on: September 27, 2024
Overcoming Methicillin-Resistance Staphylococcus aureus (MRSA) Using Antimicrobial Peptides-Silver Nanoparticles
Mohammad Asyraf Adhwa Masimen1, Noor Aniza Harun2, M Maulidiani3
1Cell Signalling and Biotechnology Research Group (CeSBTech), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus 21030, Terengganu, Malaysia.
Abstract:
Antibiotics are regarded as a miracle in the medical field as it prevents disease caused by pathogenic bacteria. Since the discovery of penicillin, antibiotics have become the foundation for modern medical discoveries. However, bacteria soon became resistant to antibiotics, which puts a burden on the healthcare system. Methicillin-resistant Staphylococcus aureus (MRSA) has become one of the most prominent antibiotic-resistant bacteria in the world since 1961. MRSA primarily developed resistance to beta-lactamases antibiotics and can be easily spread in the healthcare system. Thus, alternatives to combat MRSA are urgently required. Antimicrobial peptides (AMPs), an innate host immune agent and silver nanoparticles (AgNPs), are gaining interest as alternative treatments against MRSA. Both agents have broad-spectrum properties which are suitable candidates for controlling MRSA. Although both agents can exhibit antimicrobial effects independently, the combination of both can be synergistic and complementary to each other to exhibit stronger antimicrobial activity. The combination of AMPs and AgNPs also reduces their own weaknesses as their own, which can be developed as a potential agent to combat antibiotic resistance especially towards MRSA. Thus, this review aims to discuss the potential of antimicrobial peptides and silver nanoparticles towards controlling MRSA pathogen growth.
Insights
Antimicrobial peptides and silver nanoparticles show promise in combating antibiotic-resistant bacteria like MRSA. Combining these agents offers a synergistic approach to overcoming resistance and developing new treatments.
Area of Science:
- Microbiology
- Biotechnology
- Materials Science
Background:
- Antibiotic resistance, particularly from Methicillin-resistant Staphylococcus aureus (MRSA), poses a significant global health threat.
- MRSA's resistance to beta-lactamase antibiotics necessitates urgent development of alternative therapeutic strategies.
- The discovery of antibiotics revolutionized medicine but is now challenged by widespread bacterial resistance.
Purpose of the Study:
- To review the potential of antimicrobial peptides (AMPs) and silver nanoparticles (AgNPs) as alternative treatments against MRSA.
- To explore the synergistic and complementary effects of combining AMPs and AgNPs for enhanced antimicrobial activity.
- To discuss the development of AMP-AgNP combinations to combat antibiotic resistance.
Main Methods:
- Literature review of existing studies on AMPs and AgNPs against MRSA.
- Analysis of the individual and combined antimicrobial mechanisms of AMPs and AgNPs.
- Evaluation of the potential for synergistic interactions between AMPs and AgNPs.
Main Results:
- Both AMPs and AgNPs exhibit broad-spectrum antimicrobial properties effective against MRSA.
- The combination of AMPs and AgNPs demonstrates synergistic antimicrobial activity, surpassing individual efficacy.
- Combined therapy can mitigate the limitations associated with using AMPs or AgNPs alone.
Conclusions:
- Antimicrobial peptides and silver nanoparticles represent promising alternatives for controlling MRSA.
- The synergistic combination of AMPs and AgNPs offers a potent strategy to overcome antibiotic resistance.
- Further research into AMP-AgNP formulations could lead to novel treatments for MRSA infections.
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