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Asensio-López J, Lázaro-Díez M, Hernández-Cruz TM, Blanco-Cabra N, Sorzabal-Bellido I, Arroyo-Urea EM, Buetas E, González-Paredes A, Ortiz de Solórzano C, Burgui S, Torrents E, Monteserín M, Garmendia J. Multimodal evaluation of drug antibacterial activity reveals cinnamaldehyde analog anti-biofilm effects against Haemophilus influenzae. Biofilm 2024; 7:100178. [PMID: 38317668 PMCID: PMC10839773 DOI: 10.1016/j.bioflm.2024.100178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 01/11/2024] [Accepted: 01/12/2024] [Indexed: 02/07/2024] Open
Abstract
Biofilm formation by the pathobiont Haemophilus influenzae is associated with human nasopharynx colonization, otitis media in children, and chronic respiratory infections in adults suffering from chronic respiratory diseases such as chronic obstructive pulmonary disease (COPD). β-lactam and quinolone antibiotics are commonly used to treat these infections. However, considering the resistance of biofilm-resident bacteria to antibiotic-mediated killing, the use of antibiotics may be insufficient and require being replaced or complemented with novel strategies. Moreover, unlike the standard minimal inhibitory concentration assay used to assess antibacterial activity against planktonic cells, standardization of methods to evaluate anti-biofilm drug activity is limited. In this work, we detail a panel of protocols for systematic analysis of drug antimicrobial effect on bacterial biofilms, customized to evaluate drug effects against H. influenzae biofilms. Testing of two cinnamaldehyde analogs, (E)-trans-2-nonenal and (E)-3-decen-2-one, demonstrated their effectiveness in both H. influenzae inhibition of biofilm formation and eradication or preformed biofilms. Assay complementarity allowed quantifying the dynamics and extent of the inhibitory effects, also observed for ampicillin resistant clinical strains forming biofilms refractory to this antibiotic. Moreover, cinnamaldehyde analog encapsulation into poly(lactic-co-glycolic acid) (PLGA) polymeric nanoparticles allowed drug vehiculization while maintaining efficacy. Overall, we demonstrate the usefulness of cinnamaldehyde analogs against H. influenzae biofilms, present a test panel that can be easily adapted to a wide range of pathogens and drugs, and highlight the benefits of drug nanoencapsulation towards safe controlled release.
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Affiliation(s)
- Javier Asensio-López
- Centro de Ingeniería de Superficies y Materiales Avanzados, Asociación de la Industria Navarra (AIN), Cordovilla, Spain
- Instituto de Agrobiotecnología, Consejo Superior de Investigaciones Científicas (IdAB-CSIC)-Gobierno de Navarra, Mutilva, Spain
| | - María Lázaro-Díez
- Instituto de Agrobiotecnología, Consejo Superior de Investigaciones Científicas (IdAB-CSIC)-Gobierno de Navarra, Mutilva, Spain
| | - Tania M. Hernández-Cruz
- Centro de Ingeniería de Superficies y Materiales Avanzados, Asociación de la Industria Navarra (AIN), Cordovilla, Spain
| | - Núria Blanco-Cabra
- Bacterial Infections and Antimicrobial Therapies Group, Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
- Microbiology Section, Department of Genetics, Microbiology, and Statistics, Biology Faculty, Universitat de Barcelona, Barcelona, Spain
| | - Ioritz Sorzabal-Bellido
- Laboratory of Microphysiological Systems and Quantitative Biology, Biomedical Engineering Program, Center for Applied Medical Research (CIMA), Pamplona, Spain
| | - Eva M. Arroyo-Urea
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), Madrid, Spain
- Conexión Nanomedicina, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
| | - Elena Buetas
- Department of Health and Genomics, Center for Advanced Research in Public Health, FISABIO Foundation, Valencia, Spain
| | - Ana González-Paredes
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), Madrid, Spain
- Conexión Nanomedicina, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
| | - Carlos Ortiz de Solórzano
- Laboratory of Microphysiological Systems and Quantitative Biology, Biomedical Engineering Program, Center for Applied Medical Research (CIMA), Pamplona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Oncológicas (CIBERONC), Madrid, Spain
| | - Saioa Burgui
- Centro de Ingeniería de Superficies y Materiales Avanzados, Asociación de la Industria Navarra (AIN), Cordovilla, Spain
| | - Eduard Torrents
- Bacterial Infections and Antimicrobial Therapies Group, Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
- Microbiology Section, Department of Genetics, Microbiology, and Statistics, Biology Faculty, Universitat de Barcelona, Barcelona, Spain
| | - María Monteserín
- Centro de Ingeniería de Superficies y Materiales Avanzados, Asociación de la Industria Navarra (AIN), Cordovilla, Spain
| | - Junkal Garmendia
- Instituto de Agrobiotecnología, Consejo Superior de Investigaciones Científicas (IdAB-CSIC)-Gobierno de Navarra, Mutilva, Spain
- Conexión Nanomedicina, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain
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Arroyo-Urea EM, Muñoz-Hernando M, Leo-Barriga M, Herranz F, González-Paredes A. A quality by design approach for the synthesis of palmitoyl-L-carnitine-loaded nanoemulsions as drug delivery systems. Drug Deliv 2023; 30:2179128. [PMID: 36803136 PMCID: PMC10184586 DOI: 10.1080/10717544.2023.2179128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023] Open
Abstract
Nanoemulsions (NE) are lipid nanocarriers that can efficiently load hydrophobic active compounds, like palmitoyl-L-carnitine (pC), used here as model molecule. The use of design of experiments (DoE) approach is a useful tool to develop NEs with optimized properties, requiring less experiments compared to trial-and-error approach. In this work, NE were prepared by the solvent injection technique and DoE using a two-level fractional factorial design (FFD) as model was implemented for designing pC-loaded NE. NEs were fully characterized by a combination of techniques, studying its stability, scalability, pC entrapment and loading capacity and biodistribution, which was studied ex-vivo after injection of fluorescent NEs in mice. We selected the optimal composition for NE, named pC-NEU, after analysis of four variables using DoE. pC-NEU incorporated pC in a very efficient manner, with high entrapment efficiency (EE) and loading capacity. pC-NEU did not change its initial colloidal properties stored at 4 °C in water during 120 days, nor in buffers with different pH values (5.3 and 7.4) during 30 days. Moreover, the scalability process did not affect NE properties and stability profile. Finally, biodistribution study showed that pC-NEU formulation was predominantly concentrated in the liver, with minimal accumulation in spleen, stomach, and kidneys.
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Affiliation(s)
- E M Arroyo-Urea
- Nanomedicine and Molecular Imaging group, Instituto de Química Médica-CSIC, Madrid, Spain
| | - María Muñoz-Hernando
- Nanomedicine and Molecular Imaging group, Instituto de Química Médica-CSIC, Madrid, Spain
| | - Marta Leo-Barriga
- Nanomedicine and Molecular Imaging group, Instituto de Química Médica-CSIC, Madrid, Spain
| | - Fernando Herranz
- Nanomedicine and Molecular Imaging group, Instituto de Química Médica-CSIC, Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES), Madrid, Spain.,Conexión Nanomedicina-CSIC, Madrid, Spain
| | - Ana González-Paredes
- Nanomedicine and Molecular Imaging group, Instituto de Química Médica-CSIC, Madrid, Spain.,Conexión Nanomedicina-CSIC, Madrid, Spain
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