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Biofilm Eradication and Inhibition of Methicillin-Resistant <i>Staphylococcus</i> Clinical Isolates by Curcumin-Chitosan Magnetic Nanoparticles
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- Salazar-Sesatty Humberto Antonio
- Laboratory of Immunology and Virology, Autonomous University of Nuevo Leon, Mexico
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- Montoya-Hinojosa Edeer Iván
- Departament of Microbiology, School of Biological Sciences, Autonomous University of Nuevo Leon, Mexico
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- Villarreal-Salazar Verónica
- Departament of Microbiology, School of Biological Sciences, Autonomous University of Nuevo Leon, Mexico
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- Alvizo-Baez Cynthia Aracely
- Laboratory of Immunology and Virology, Autonomous University of Nuevo Leon, Mexico
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- Camacho-Ortiz Adrián
- Department of Infectious Diseases, University Hospital Dr. José Eleuterio González and School of Medicine, Autonomous University of Nuevo Leon, Mexico
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- Terrazas-Armendariz Luis Daniel
- Laboratory of Immunology and Virology, Autonomous University of Nuevo Leon, Mexico
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- Luna-Cruz Itza Eloisa
- Laboratory of Immunology and Virology, Autonomous University of Nuevo Leon, Mexico
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- Alcocer-González Juan Manuel
- Laboratory of Immunology and Virology, Autonomous University of Nuevo Leon, Mexico
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- Villarreal-Treviño Licet
- Departament of Microbiology, School of Biological Sciences, Autonomous University of Nuevo Leon, Mexico
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- Flores-Treviño Samantha
- Department of Infectious Diseases, University Hospital Dr. José Eleuterio González and School of Medicine, Autonomous University of Nuevo Leon, Mexico
Bibliographic Information
- Other Title
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- Biofilm Eradication and Inhibition of Methicillin-Resistant Staphylococcus Clinical Isolates by Curcumin-Chitosan Magnetic Nanoparticles
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Description
<p>Biofilm-producing methicillin-resistant Staphylococcus aureus (MRSA) and coagulase-negative staphylococci (MR-CoNS) pose clinical challenges in treating healthcare-associated infections. As alternative antimicrobial options are needed, in this study, we aimed to determine the effect of curcumin-chitosan magnetic nanoparticles (Cur-Chi-MNP) on the biofilms of staphylococcal clinical isolates. MRSA and CoNS clinical isolates were identified using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Antimicrobial susceptibility testing was performed using the broth microdilutions. Nanoparticles were synthesized by the co-precipitation of magnetic nanoparticles (MNP) and encapsulated by the ionotropic gelation of curcumin (Cur) and chitosan (Chi). Biofilm inhibition and eradication by nanoparticles, with and without the addition of oxacillin (OXA), were assessed in Staphylococcus strains. Cur-Chi-MNP showed antimicrobial activity against planktonic cells of MRSA and MR-CoNS strains and inhibited MRSA biofilm. The addition of OXA to Cur-Chi-MNP increased the biofilm inhibition and eradication activity against all staphylococcal strains (P = 0.0007), and higher biofilm activity was observed in the early biofilm stages. Cur-Chi-MNP showed antimicrobial and biofilm inhibitory activities against S. aureus. Addition of OXA increased biofilm inhibition and eradication activity against all staphylococcal strains. A combination treatment of Cur-Chi-MNP and OXA could potentially be used to treat staphylococcal biofilm-associated infections in the early stages before the establishment of biofilm bacterial cells.</p>
Journal
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- Japanese Journal of Infectious Diseases
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Japanese Journal of Infectious Diseases 77 (5), 260-268, 2024-09-30
National Institute of Infectious Diseases
