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Harnessing the Power of Antimicrobial Peptides: From Mechanisms to Delivery Optimization for Topical Infections

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dc.contributor.authorMukhopadhyay, S.
dc.contributor.authorYoussef, S.H.
dc.contributor.authorSong, Y.
dc.contributor.authorNayak, U.Y.
dc.contributor.authorGarg, S.
dc.date.issued2025
dc.description.abstractAntimicrobial peptides (AMPs) have emerged as promising agents for treating topical infections due to their enhanced biocompatibility and resistance to systemic degradation. AMPs possess host immunomodulatory effects and disintegrate bacterial cell membranes, a mechanism less prone to microbial resistance compared to conventional antibiotics, making AMPs potential candidates for antimicrobial delivery. The review discusses the challenges posed by antimicrobial resistance (AMR) and explores the mechanisms by which bacteria develop resistance to AMPs. The authors provide a detailed analysis of the mechanisms of action of AMPs, their limitations, and strategies to improve their efficacy. Conventional AMP delivery systems, including polymeric, synthetic, and lipid-based nanoparticles and cubosomes, face challenges of microbial resistance mechanisms via efflux pump systems, bacterial cell membrane modifications, and protease enzyme release. This review explores strategies to optimize these delivery systems. Furthermore, market statistics and the growing interest in peptide antibiotics have been explored in this review. The authors provide future research directions, such as exploring gene-targeting approaches to combat emerging bacterial resistance against AMPs, and emphasize considering the conformational stability of peptides, the skin microbiome's nature at the infection site, and proteolytic stability for developing efficient AMP delivery systems for topical infections.
dc.identifier.citationAntibiotics, 2025; 14(4)
dc.identifier.doi10.3390/antibiotics14040379
dc.identifier.issn2079-6382
dc.identifier.issn2079-6382
dc.identifier.orcidGarg, S. [0000-0001-7253-2629]
dc.identifier.urihttps://hdl.handle.net/11541.2/42962
dc.language.isoen
dc.publisherMDPI
dc.rightsCopyright 2025 The Authors. (https://creativecommons.org/licenses/by/4.0/) Access Condition Notes: This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.
dc.source.urihttps://doi.org/10.3390/antibiotics14040379
dc.subjectantimicrobial peptide
dc.subjectantimicrobial resistance
dc.subjectproteolytic degradation
dc.subjectself-assembly
dc.subjectskin microbiome
dc.subjecttopical infection
dc.titleHarnessing the Power of Antimicrobial Peptides: From Mechanisms to Delivery Optimization for Topical Infections
dc.typeJournal article
pubs.publication-statusPublished
ror.mmsid9916966973301831

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