A peptide-based pH-sensitive antibacterial hydrogel for healing drug-resistant biofilm-infected diabetic wounds

Fan, Duoyang; Xie, Ruyan; Liu, Xiaohui; Li, Haohan; Luo, Ziheng; Li, Yanbing; Chen, Fei; Zeng, Wenbin

doi:10.1039/d4tb00594e

J. Mater. Chem. B

2024

DOI: 10.1039/d4tb00594e

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A peptide-based pH-sensitive antibacterial hydrogel for healing drug-resistant biofilm-infected diabetic wounds

Duoyang Fan,

Ruyan Xie,

Xiaohui Liu

et al.

Abstract: A pH-sensitive antibacterial hydrogel which combined TPI-PN and HHC10 with quaternized chitosan and oxidized dextran via covalent coupling was constructed.

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Antimicrobial Peptides: A Promising Alternative to Conventional Antimicrobials for Combating Polymicrobial Biofilms

Roque‐Borda,

Primo,

Medina‐Alarcón

et al. 2024

Advanced Science

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Polymicrobial biofilms adhere to surfaces and enhance pathogen resistance to conventional treatments, significantly contributing to chronic infections in the respiratory tract, oral cavity, chronic wounds, and on medical devices. This review examines antimicrobial peptides (AMPs) as a promising alternative to traditional antibiotics for treating biofilm‐associated infections. AMPs, which can be produced as part of the innate immune response or synthesized therapeutically, have broad‐spectrum antimicrobial activity, often disrupting microbial cell membranes and causing cell death. Many specifically target negatively charged bacterial membranes, unlike host cell membranes. Research shows AMPs effectively inhibit and disrupt polymicrobial biofilms and can enhance conventional antibiotics' efficacy. Preclinical and clinical research is advancing, with animal studies and clinical trials showing promise against multidrug‐resistant bacteria and fungi. Numerous patents indicate increasing interest in AMPs. However, challenges such as peptide stability, potential cytotoxicity, and high production costs must be addressed. Ongoing research focuses on optimizing AMP structures, enhancing stability, and developing cost‐effective production methods. In summary, AMPs offer a novel approach to combating biofilm‐associated infections, with their unique mechanisms and synergistic potential with existing antibiotics positioning them as promising candidates for future treatments.

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Antimicrobial Peptides: A Promising Alternative to Conventional Antimicrobials for Combating Polymicrobial Biofilms

Roque‐Borda,

Primo,

Medina‐Alarcón

et al. 2024

Advanced Science

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show abstract

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A peptide-based pH-sensitive antibacterial hydrogel for healing drug-resistant biofilm-infected diabetic wounds

Abstract: A pH-sensitive antibacterial hydrogel which combined TPI-PN and HHC10 with quaternized chitosan and oxidized dextran via covalent coupling was constructed.

Cited by 1 publication

References 41 publications

Antimicrobial Peptides: A Promising Alternative to Conventional Antimicrobials for Combating Polymicrobial Biofilms

Antimicrobial Peptides: A Promising Alternative to Conventional Antimicrobials for Combating Polymicrobial Biofilms

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