Essential Oil and Hydrophilic Antibiotic Co-Encapsulation in Multiple Lipid Nanoparticles: Proof of Concept and In Vitro Activity against <i>Pseudomonas aeruginosa</i>

In the worldwide context of an impending emergence of multidrug-resistant bacteria, this research combined the advantages of multiple lipid nanoparticles (MLNs) and the promising therapeutic use of essential oils (EOs) as a strategy to fight the antibiotic resistance of three <i>Pseudomonas ae...

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Autores principales: Rayhane Ben-Khalifa, Frédéric Bustos Gaspar, Cristina Pereira, Leila Chekir-Ghedira, Soraya Rodríguez-Rojo
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Publicado: MDPI AG 2021
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Acceso en línea:https://doaj.org/article/f8bafa5249504ac1b4639c09a58eeb7c
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spelling oai:doaj.org-article:f8bafa5249504ac1b4639c09a58eeb7c2021-11-25T16:22:20ZEssential Oil and Hydrophilic Antibiotic Co-Encapsulation in Multiple Lipid Nanoparticles: Proof of Concept and In Vitro Activity against <i>Pseudomonas aeruginosa</i>10.3390/antibiotics101113002079-6382https://doaj.org/article/f8bafa5249504ac1b4639c09a58eeb7c2021-10-01T00:00:00Zhttps://www.mdpi.com/2079-6382/10/11/1300https://doaj.org/toc/2079-6382In the worldwide context of an impending emergence of multidrug-resistant bacteria, this research combined the advantages of multiple lipid nanoparticles (MLNs) and the promising therapeutic use of essential oils (EOs) as a strategy to fight the antibiotic resistance of three <i>Pseudomonas aeruginosa</i> strains with different cefepime (FEP) resistance profiles. MLNs were prepared by ultrasonication using glyceryl trioleate (GTO) and glyceryl tristearate (GTS) as a liquid and a solid lipid, respectively. Rosemary EO (REO) was selected as the model EO. REO/FEP-loaded MLNs were characterized by their small size (~110 nm), important encapsulation efficiency, and high physical stability over time (60 days). An assessment of the antimicrobial activity was performed using antimicrobial susceptibility testing assays against selected <i>P. aeruginosa</i> strains. The assays showed a considerable increase in the antibacterial property of REO-loaded MLNs compared with the effect of crude EO, especially against <i>P. aeruginosa</i> ATCC 9027, in which the minimum inhibitory concentration (MIC) value decreased from 80 to 0.6 mg/mL upon encapsulation. Furthermore, the incorporation of FEP in MLNs stabilized the drug without affecting its antipseudomonal activity. Thus, the ability to co-encapsulate an essential oil and a hydrophilic antibiotic into MLN has been successfully proved, opening new possibilities for the treatment of serious antimicrobial infections.Rayhane Ben-KhalifaFrédéric Bustos GasparCristina PereiraLeila Chekir-GhediraSoraya Rodríguez-RojoMDPI AGarticlemultiple lipid nanoparticlesrosemary essential oilcefepimeencapsulationantimicrobial activity<i>Pseudomonas aeruginosa</i>Therapeutics. PharmacologyRM1-950ENAntibiotics, Vol 10, Iss 1300, p 1300 (2021)
institution DOAJ
collection DOAJ
language EN
topic multiple lipid nanoparticles
rosemary essential oil
cefepime
encapsulation
antimicrobial activity
<i>Pseudomonas aeruginosa</i>
Therapeutics. Pharmacology
RM1-950
spellingShingle multiple lipid nanoparticles
rosemary essential oil
cefepime
encapsulation
antimicrobial activity
<i>Pseudomonas aeruginosa</i>
Therapeutics. Pharmacology
RM1-950
Rayhane Ben-Khalifa
Frédéric Bustos Gaspar
Cristina Pereira
Leila Chekir-Ghedira
Soraya Rodríguez-Rojo
Essential Oil and Hydrophilic Antibiotic Co-Encapsulation in Multiple Lipid Nanoparticles: Proof of Concept and In Vitro Activity against <i>Pseudomonas aeruginosa</i>
description In the worldwide context of an impending emergence of multidrug-resistant bacteria, this research combined the advantages of multiple lipid nanoparticles (MLNs) and the promising therapeutic use of essential oils (EOs) as a strategy to fight the antibiotic resistance of three <i>Pseudomonas aeruginosa</i> strains with different cefepime (FEP) resistance profiles. MLNs were prepared by ultrasonication using glyceryl trioleate (GTO) and glyceryl tristearate (GTS) as a liquid and a solid lipid, respectively. Rosemary EO (REO) was selected as the model EO. REO/FEP-loaded MLNs were characterized by their small size (~110 nm), important encapsulation efficiency, and high physical stability over time (60 days). An assessment of the antimicrobial activity was performed using antimicrobial susceptibility testing assays against selected <i>P. aeruginosa</i> strains. The assays showed a considerable increase in the antibacterial property of REO-loaded MLNs compared with the effect of crude EO, especially against <i>P. aeruginosa</i> ATCC 9027, in which the minimum inhibitory concentration (MIC) value decreased from 80 to 0.6 mg/mL upon encapsulation. Furthermore, the incorporation of FEP in MLNs stabilized the drug without affecting its antipseudomonal activity. Thus, the ability to co-encapsulate an essential oil and a hydrophilic antibiotic into MLN has been successfully proved, opening new possibilities for the treatment of serious antimicrobial infections.
format article
author Rayhane Ben-Khalifa
Frédéric Bustos Gaspar
Cristina Pereira
Leila Chekir-Ghedira
Soraya Rodríguez-Rojo
author_facet Rayhane Ben-Khalifa
Frédéric Bustos Gaspar
Cristina Pereira
Leila Chekir-Ghedira
Soraya Rodríguez-Rojo
author_sort Rayhane Ben-Khalifa
title Essential Oil and Hydrophilic Antibiotic Co-Encapsulation in Multiple Lipid Nanoparticles: Proof of Concept and In Vitro Activity against <i>Pseudomonas aeruginosa</i>
title_short Essential Oil and Hydrophilic Antibiotic Co-Encapsulation in Multiple Lipid Nanoparticles: Proof of Concept and In Vitro Activity against <i>Pseudomonas aeruginosa</i>
title_full Essential Oil and Hydrophilic Antibiotic Co-Encapsulation in Multiple Lipid Nanoparticles: Proof of Concept and In Vitro Activity against <i>Pseudomonas aeruginosa</i>
title_fullStr Essential Oil and Hydrophilic Antibiotic Co-Encapsulation in Multiple Lipid Nanoparticles: Proof of Concept and In Vitro Activity against <i>Pseudomonas aeruginosa</i>
title_full_unstemmed Essential Oil and Hydrophilic Antibiotic Co-Encapsulation in Multiple Lipid Nanoparticles: Proof of Concept and In Vitro Activity against <i>Pseudomonas aeruginosa</i>
title_sort essential oil and hydrophilic antibiotic co-encapsulation in multiple lipid nanoparticles: proof of concept and in vitro activity against <i>pseudomonas aeruginosa</i>
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/f8bafa5249504ac1b4639c09a58eeb7c
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