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  • Title: PDIA iminosugar influence on subcutaneous Staphylococcus aureus and Pseudomonas aeruginosa infections in mice.
    Author: Kozień Ł, Policht A, Heczko P, Arent Z, Bracha U, Pardyak L, Pietsch-Fulbiszewska A, Gallienne E, Piwowar P, Okoń K, Tomusiak-Plebanek A, Strus M.
    Journal: Front Cell Infect Microbiol; 2024; 14():1395577. PubMed ID: 39145303.
    Abstract:
    INTRODUCTION: Biofilm-associated infections persist as a therapeutic challenge in contemporary medicine. The efficacy of antibiotic therapies is ineffective in numerous instances, necessitating a heightened focus on exploring novel anti-biofilm medical strategies. Among these, iminosugars emerge as a distinctive class of compounds displaying promising biofilm inhibition properties. METHODS: This study employs an in vivo wound infection mouse model to evaluate the effectiveness of PDIA in treating biofilm-associated skin wound infections caused by Staphylococcus aureus and Pseudomonas aeruginosa. Dermic wounds in mice were infected with biofilm-forming strains, specifically S. aureus 48 and P. aeruginosa 5, which were isolated from patients with diabetic foot, and are well-known for their strong biofilm formation. The subsequent analysis included clinical, microbiological, and histopathological parameters. Furthermore, an exploration into the susceptibility of the infectious strains to hydrogen peroxide was conducted, acknowledging its potential presence during induced inflammation in mouse dermal wounds within an in vivo model. RESULTS: The findings revealed the efficacy of PDIA iminosugar against the S. aureus strain, evidenced by a reduction in bacterial numbers within the wound and the inflammatory focus. DISCUSSION: This study suggests that PDIA iminosugar emerges as an active and potentially effective antibiofilm agent, positioning it as a viable treatment option for staphylococcal infections.
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