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Pisani S, Tufail S, Rosalia M, Dorati R, Genta I, Chiesa E, Conti B. Antibiotic-Loaded Nano-Sized Delivery Systems: An Insight into Gentamicin and Vancomycin. J Funct Biomater 2024; 15:194. [PMID: 39057315 PMCID: PMC11277905 DOI: 10.3390/jfb15070194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Revised: 07/02/2024] [Accepted: 07/10/2024] [Indexed: 07/28/2024] Open
Abstract
The fight against infectious disease has remained an ever-evolving challenge in the landscape of healthcare. The ability of pathogens to develop resistance against conventional drug treatments has decreased the effectiveness of therapeutic interventions, and antibiotic resistance is recognized as one of the main challenges of our time. The goal of this systematic review paper is to provide insight into the research papers published on innovative nanosized drug delivery systems (DDSs) based on gentamycin and vancomycin and to discuss the opportunity of their repurposing through nano DDS formulations. These two antibiotics are selected because (i) gentamicin is the first-line drug used to treat suspected or confirmed infections caused by Gram-negative bacterial infections and (ii) vancomycin is used to treat serious Gram-positive bacterial infections. Moreover, both antibiotics have severe adverse effects, and one of the purposes of their formulation as nanosized DDSs is to overcome them. The review paper includes an introduction focusing on the challenges of infectious diseases and traditional therapeutic treatments, a brief description of the chemical and pharmacological properties of gentamicin and vancomycin, case studies from the literature on innovative nanosized DDSs as carriers of the two antibiotic drugs, and a discussion of the results found in the literature.
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Affiliation(s)
- Silvia Pisani
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy; (S.P.); (S.T.); (M.R.); (R.D.); (I.G.); (E.C.)
| | - Shafia Tufail
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy; (S.P.); (S.T.); (M.R.); (R.D.); (I.G.); (E.C.)
- Department of Drug Sciences, IUSS Scuola Universitaria Superiore Pavia, 27100 Pavia, Italy
| | - Mariella Rosalia
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy; (S.P.); (S.T.); (M.R.); (R.D.); (I.G.); (E.C.)
| | - Rossella Dorati
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy; (S.P.); (S.T.); (M.R.); (R.D.); (I.G.); (E.C.)
| | - Ida Genta
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy; (S.P.); (S.T.); (M.R.); (R.D.); (I.G.); (E.C.)
| | - Enrica Chiesa
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy; (S.P.); (S.T.); (M.R.); (R.D.); (I.G.); (E.C.)
| | - Bice Conti
- Department of Drug Sciences, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy; (S.P.); (S.T.); (M.R.); (R.D.); (I.G.); (E.C.)
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Pudełko I, Moskwik A, Kwiecień K, Kriegseis S, Krok-Borkowicz M, Schickle K, Ochońska D, Dobrzyński P, Brzychczy-Włoch M, Gonzalez-Julian J, Pamuła E. Porous Zirconia Scaffolds Functionalized with Calcium Phosphate Layers and PLGA Nanoparticles Loaded with Hydrophobic Gentamicin. Int J Mol Sci 2023; 24:ijms24098400. [PMID: 37176107 PMCID: PMC10178882 DOI: 10.3390/ijms24098400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/29/2023] [Accepted: 05/04/2023] [Indexed: 05/15/2023] Open
Abstract
Implant-related infections are a worldwide issue that is considered very challenging. Conventional therapies commonly end up failing; thus, new solutions are being investigated to overcome this problem. The in situ delivery of the drug at the implant site appears to be more sufficient compared to systemic antibiotic therapy. In this study, we manufactured porous zirconia scaffolds using the foam replication method. To improve their overall bioactivity, they were coated with a calcium phosphate (CaP) layer containing antibiotic-loaded degradable polymer nanoparticles (NPs) obtained by the double emulsion method to achieve the antibacterial effect additionally. Encapsulation efficiency (EE) and drug loading (DL) were superior and were equal to 99.9 ± 0.1% and 9.1 ± 0.1%, respectively. Scaffolds were analyzed with scanning electron microscopy, and their porosity was evaluated. The porosity of investigated samples was over 90% and resembled the microstructure of spongy bone. Furthermore, we investigated the cytocompatibility with osteoblast-like MG-63 cells and antimicrobial properties with Staphylococcus aureus. Scaffolds coated with a CaP layer were found non-toxic for MG-63 cells. Moreover, the presence of antibiotic-loaded nanoparticles had no significant influence on cell viability, and the obtained scaffolds inhibited bacteria growth. Provided processes of fabrication of highly porous zirconia scaffolds and surface functionalization allow minimizing the risk of implant-related infection.
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Affiliation(s)
- Iwona Pudełko
- Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland
| | - Anna Moskwik
- Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland
| | - Konrad Kwiecień
- Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland
| | - Sven Kriegseis
- Department of Ceramics and Refractory Materials, Institute of Mineral Engineering, RWTH Aachen University, Forckenbeckstraße 33, 52074 Aachen, Germany
| | - Małgorzata Krok-Borkowicz
- Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland
| | - Karolina Schickle
- Department of Ceramics and Refractory Materials, Institute of Mineral Engineering, RWTH Aachen University, Forckenbeckstraße 33, 52074 Aachen, Germany
- Department of Restorative Dentistry and Endodontology, Justus-Liebig-University Giessen, Schlangenzahl 14, 35392 Gießen, Germany
| | - Dorota Ochońska
- Department of Molecular Medical Microbiology, Chair of Microbiology, Faculty of Medicine, Jagiellonian University Medical College, 18 Czysta Str., 31-121 Kraków, Poland
| | - Piotr Dobrzyński
- Centre of Polymer and Carbon Materials, Polish Academy of Sciences, 34 Curie-Sklodowskiej Str., 41-819 Zabrze, Poland
| | - Monika Brzychczy-Włoch
- Department of Molecular Medical Microbiology, Chair of Microbiology, Faculty of Medicine, Jagiellonian University Medical College, 18 Czysta Str., 31-121 Kraków, Poland
| | - Jesus Gonzalez-Julian
- Department of Ceramics and Refractory Materials, Institute of Mineral Engineering, RWTH Aachen University, Forckenbeckstraße 33, 52074 Aachen, Germany
| | - Elżbieta Pamuła
- Department of Biomaterials and Composites, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland
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Evaluation of Zebrafish DNA Integrity after Individual and Combined Exposure to TiO2 Nanoparticles and Lincomycin. TOXICS 2022; 10:toxics10030132. [PMID: 35324757 PMCID: PMC8954801 DOI: 10.3390/toxics10030132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 03/01/2022] [Accepted: 03/05/2022] [Indexed: 12/02/2022]
Abstract
Environmental contamination by nanoparticles (NPs) and drugs represents one of the most debated issues of the last years. The aquatic biome and, indirectly, human health are strongly influenced by the negative effects induced by the widespread presence of pharmaceutical products in wastewater, mainly due to the massive use of antibiotics and inefficient treatment of the waters. The present study aimed to evaluate the harmful consequences due to exposure to antibiotics and NPs, alone and in combination, in the aquatic environment. By exploiting some of their peculiar characteristics, such as small size and ability to bind different types of substances, NPs can carry drugs into the body, showing potential genotoxic effects. The research was conducted on zebrafish (Danio rerio) exposed in vivo to lincomycin (100 mg/L) and titanium dioxide nanoparticles (TiO2 NPs) (10 µg/L) for 7 and 14 exposure days. The effects on zebrafish were evaluated in terms of cell viability, DNA fragmentation, and genomic template stability (GTS%) investigated using Trypan blue staining, TUNEL assay, and the random amplification of polymorphic DNA PCR (RAPD PCR) technique, respectively. Our results show that after TiO2 NPs exposure, as well as after TiO2 NPs and lincomycin co-exposure, the percentage of damaged DNA significantly increased and cell viability decreased. On the contrary, exposure to lincomycin alone caused only a GTS% reduction after 14 exposure days. Therefore, the results allow us to assert that genotoxic effect in target cells could be through a synergistic effect, also potentially mediated by the establishment of intermolecular interactions between lincomycin and TiO2 NPs.
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Berini F, Orlandi VT, Gamberoni F, Martegani E, Armenia I, Gornati R, Bernardini G, Marinelli F. Antimicrobial Activity of Nanoconjugated Glycopeptide Antibiotics and Their Effect on Staphylococcus aureus Biofilm. Front Microbiol 2021; 12:657431. [PMID: 34925248 PMCID: PMC8674785 DOI: 10.3389/fmicb.2021.657431] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 11/09/2021] [Indexed: 11/13/2022] Open
Abstract
In the era of antimicrobial resistance, the use of nanoconjugated antibiotics is regarded as a promising approach for preventing and fighting infections caused by resistant bacteria, including those exacerbated by the formation of difficult-to-treat bacterial biofilms. Thanks to their biocompatibility and magnetic properties, iron oxide nanoparticles (IONPs) are particularly attractive as antibiotic carriers for the targeting therapy. IONPs can direct conjugated antibiotics to infection sites by the use of an external magnet, facilitating tissue penetration and disturbing biofilm formation. As a consequence of antibiotic localization, a decrease in its administration dosage might be possible, reducing the side effects to non-targeted organs and the risk of antibiotic resistance spread in the commensal microbiota. Here, we prepared nanoformulations of the 'last-resort' glycopeptides teicoplanin and vancomycin by conjugating them to IONPs via surface functionalization with (3-aminopropyl) triethoxysilane (APTES). These superparamagnetic NP-TEICO and NP-VANCO were chemically stable and NP-TEICO (better than NP-VANCO) conserved the typical spectrum of antimicrobial activity of glycopeptide antibiotics, being effective against a panel of staphylococci and enterococci, including clinical isolates and resistant strains. By a combination of different methodological approaches, we proved that NP-TEICO and, although to a lesser extent, NP-VANCO were effective in reducing biofilm formation by three methicillin-sensitive or resistant Staphylococcus aureus strains. Moreover, when attracted and concentrated by the action of an external magnet, NP-TEICO exerted a localized inhibitory effect on S. aureus biofilm formation at low antibiotic concentration. Finally, we proved that the conjugation of glycopeptide antibiotics to IONPs reduced their intrinsic cytotoxicity toward a human cell line.
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Affiliation(s)
- Francesca Berini
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | | | - Federica Gamberoni
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | - Eleonora Martegani
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | - Ilaria Armenia
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza, Spain
| | - Rosalba Gornati
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | - Giovanni Bernardini
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | - Flavia Marinelli
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
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Rashid M, Rabbi MA, Ara T, Hossain MM, Islam MS, Elaissari A, Ahmad H, Rahman MM. Vancomycin conjugated iron oxide nanoparticles for magnetic targeting and efficient capture of Gram-positive and Gram-negative bacteria. RSC Adv 2021; 11:36319-36328. [PMID: 35492746 PMCID: PMC9043335 DOI: 10.1039/d1ra04390k] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 11/03/2021] [Indexed: 12/27/2022] Open
Abstract
Drug conjugated iron oxide magnetite (Fe3O4) nanoparticles are of great interest in the field of biomedicine. In this study, vancomycin (Van) conjugated magnetite (Fe3O4) nanoparticles were envisioned to capture and inhibit the growth of bacteria. Hydrophobic Fe3O4 nanoparticles were synthesized by using co-precipitation of ferrous (Fe2+) and ferric (Fe3+) ions following a surface modification step with oleic acid as stabilizers. Thereafter, a ligand exchange technique was employed to displace oleic acid with hydrophilic dopamine (DOPA) molecules which have a catechol group for anchoring to the iron oxide surface to prepare water dispersible nanoparticles. The surface of the resulting Fe3O4/DOPA nanoparticles contains amino (–NH2) groups that are conjugated with vancomycin via a coupling reaction between the –NH2 group of dopamine and the –COOH group of vancomycin. The prepared vancomycin conjugated Fe3O4/DOPA nanoparticles were named Fe3O4/DOPA/Van and exhibited a magnetic response to an external magnetic field due to the presence of magnetite Fe3O4 in the core. The Fe3O4/DOPA/Van nanoparticles showed bactericidal activity against both Gram positive Bacillus subtilis (B. subtilis) and Streptococcus and Gram-negative bacteria Escherichia coli (E. coli). Maximum inhibition zones of 22 mm, 19 mm and 18 mm were found against B. subtilis, Streptococcus and E. coli respectively. Most importantly, the vancomycin conjugated nanoparticles were effectively bound to the cell wall of the bacteria, promoting bacterial separation and growth inhibition. Therefore, the prepared Fe3O4/DOPA/Van nanoparticles can be promising for effective bacterial separation and killing in the dispersion media. (a) The separation of bacteria by vancomycin conjugated Fe3O4/DOPA/Van nanoparticles and (b) H-bonding interactions between the vancomycin molecule and the d-alanyl-d-alanine dipeptide of the bacterial surface.![]()
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Affiliation(s)
- Mehnaz Rashid
- Polymer Colloids & Nanomaterials (PCN) Group, Department of Chemistry, Faculty of Science, University of Rajshahi Rajshahi 6205 Bangladesh
| | - Md Ahasanur Rabbi
- Polymer Colloids & Nanomaterials (PCN) Group, Department of Chemistry, Faculty of Science, University of Rajshahi Rajshahi 6205 Bangladesh
| | - Tabassum Ara
- Department of Biochemistry and Molecular Biology, Faculty of Science, University of Rajshahi Rajshahi 6205 Bangladesh
| | - Md Motahar Hossain
- Polymer Colloids & Nanomaterials (PCN) Group, Department of Chemistry, Faculty of Science, University of Rajshahi Rajshahi 6205 Bangladesh
| | - Md Shahidul Islam
- Polymer Colloids & Nanomaterials (PCN) Group, Department of Chemistry, Faculty of Science, University of Rajshahi Rajshahi 6205 Bangladesh
| | - Abdelhamid Elaissari
- Université Lyon, University Claude Bernard Lyon-1, CNRS, ISA-UMR 5280 Lyon F-69622 France
| | - Hasan Ahmad
- Polymer Colloids & Nanomaterials (PCN) Group, Department of Chemistry, Faculty of Science, University of Rajshahi Rajshahi 6205 Bangladesh
| | - Md Mahbubor Rahman
- Polymer Colloids & Nanomaterials (PCN) Group, Department of Chemistry, Faculty of Science, University of Rajshahi Rajshahi 6205 Bangladesh
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Opportunities for Nanomedicine in Clostridioides difficile Infection. Antibiotics (Basel) 2021; 10:antibiotics10080948. [PMID: 34438998 PMCID: PMC8388953 DOI: 10.3390/antibiotics10080948] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 07/30/2021] [Accepted: 08/03/2021] [Indexed: 12/19/2022] Open
Abstract
Clostridioides difficile, a spore-forming bacterium, is a nosocomial infectious pathogen which can be found in animals as well. Although various antibiotics and disinfectants were developed, C. difficile infection (CDI) remains a serious health problem. C. difficile spores have complex structures and dormant characteristics that contribute to their resistance to harsh environments, successful transmission and recurrence. C. difficile spores can germinate quickly after being exposed to bile acid and co-germinant in a suitable environment. The vegetative cells produce endospores, and the mature spores are released from the hosts for dissemination of the pathogen. Therefore, concurrent elimination of C. difficile vegetative cells and inhibition of spore germination is essential for effective control of CDI. This review focused on the molecular pathogenesis of CDI and new trends in targeting both spores and vegetative cells of this pathogen, as well as the potential contribution of nanotechnologies for the effective management of CDI.
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Chiu CW, Tsai PJ, Lee CC, Ko WC, Hung YP. Inhibition of spores to prevent the recurrence of Clostridioides difficile infection - A possibility or an improbability? JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2021; 54:1011-1017. [PMID: 34229970 DOI: 10.1016/j.jmii.2021.06.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 06/08/2021] [Accepted: 06/19/2021] [Indexed: 11/28/2022]
Abstract
Clostridioides difficile is one of the most common nosocomial gastrointestinal pathogens, and recurrence is a problematic issue because approximately 20-30% of patients experience at least one episode of recurrence, even after treatment with a therapeutic drug of choice for C. difficile infection (CDI), such as vancomycin. CDI recurrence has a multifactorial complex mechanism, in which gut microbiota disruption coincident with viable C. difficile spores, is considered the most important factor. The effectiveness of an anti-C. difficile antimicrobial agent against CDI cannot guarantee its inhibitory effect on C. difficile spores and vice versa. However, an antimicrobial agent, such as fidaxomicin, which has a good inhibitory effect on both C. difficile vegetative cells and spores is assumed to not only treat CDI but also prevent its recurrence. Prolonged adherence to the exosporium has been proposed as a possible mechanism of inhibiting spores, and as a result, redesigning anti-C. difficile antimicrobial agents with the ability to adhere to the exosporium may provide another pathway for the development of anti-C. difficile spore agents. For example, vancomycin lacks an inhibitory effect against C. difficile spores, but a vancomycin-loaded spore-targeting iron oxide nanoparticle that selectively binds to C. difficile spores has been developed to successfully delay spore germination. Some new antimicrobial agents in phase II clinical trials, including cadazolid and ridinilazole, have shown exceptional anti-C. difficile and spore-inhibiting effects that can be expected to not only treat CDI but also prevent its recurrence in the future.
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Affiliation(s)
- Chun-Wei Chiu
- Department of Internal Medicine, Tainan Hospital, Ministry of Health and Welfare, Tainan, Taiwan
| | - Pei-Jane Tsai
- Department of Medical Laboratory Science and Biotechnology, National Cheng Kung University, Medical College, Tainan, Taiwan
| | - Ching-Chi Lee
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung Univeristy, Tainan, Taiwan
| | - Wen-Chien Ko
- Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung Univeristy, Tainan, Taiwan; Department of Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
| | - Yuan-Pin Hung
- Department of Internal Medicine, Tainan Hospital, Ministry of Health and Welfare, Tainan, Taiwan; Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung Univeristy, Tainan, Taiwan.
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Gkartziou F, Giormezis N, Spiliopoulou I, Antimisiaris SG. Nanobiosystems for Antimicrobial Drug-Resistant Infections. NANOMATERIALS 2021; 11:nano11051075. [PMID: 33922004 PMCID: PMC8143556 DOI: 10.3390/nano11051075] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/16/2021] [Accepted: 04/18/2021] [Indexed: 02/07/2023]
Abstract
The worldwide increased bacterial resistance toward antimicrobial therapeutics has led investigators to search for new therapeutic options. Some of the options currently exploited to treat drug-resistant infections include drug-associated nanosystems. Additionally, the use of bacteriophages alone or in combination with drugs has been recently revisited; some studies utilizing nanosystems for bacteriophage delivery have been already reported. In this review article, we focus on nine pathogens that are the leading antimicrobial drug-resistant organisms, causing difficult-to-treat infections. For each organism, the bacteriophages and nanosystems developed or used in the last 20 years as potential treatments of pathogen-related infections are discussed. Summarizing conclusions and future perspectives related with the potential of such nano-antimicrobials for the treatment of persistent infections are finally highlighted.
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Affiliation(s)
- Foteini Gkartziou
- Institute of Chemical Engineering, FORTH/ICES, Platani, 26504 Patras, Greece;
| | - Nikolaos Giormezis
- National Reference Centre for Staphylococci, School of Medicine, University of Patras, 26504 Patras, Greece;
| | - Iris Spiliopoulou
- National Reference Centre for Staphylococci, School of Medicine, University of Patras, 26504 Patras, Greece;
- Department of Microbiology, School of Medicine, University of Patras, 26504 Patras, Greece
- Correspondence: (I.S.); (S.G.A.)
| | - Sophia G. Antimisiaris
- Institute of Chemical Engineering, FORTH/ICES, Platani, 26504 Patras, Greece;
- Laboratory of Pharmaceutical Technology, Department of Pharmacy, University of Patras, 26504 Patras, Greece
- Correspondence: (I.S.); (S.G.A.)
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Araujo HC, Arias LS, Caldeirão ACM, Assumpção LCDF, Morceli MG, de Souza Neto FN, de Camargo ER, Oliveira SHP, Pessan JP, Monteiro DR. Novel Colloidal Nanocarrier of Cetylpyridinium Chloride: Antifungal Activities on Candida Species and Cytotoxic Potential on Murine Fibroblasts. J Fungi (Basel) 2020; 6:jof6040218. [PMID: 33053629 PMCID: PMC7712500 DOI: 10.3390/jof6040218] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/09/2020] [Accepted: 10/09/2020] [Indexed: 12/11/2022] Open
Abstract
Nanocarriers have been used as alternative tools to overcome the resistance of Candida species to conventional treatments. This study prepared a nanocarrier of cetylpyridinium chloride (CPC) using iron oxide nanoparticles (IONPs) conjugated with chitosan (CS), and assessed its antifungal and cytotoxic effects. CPC was immobilized on CS-coated IONPs, and the nanocarrier was physico-chemically characterized. Antifungal effects were determined on planktonic cells of Candida albicans and Candida glabrata (by minimum inhibitory concentration (MIC) assays) and on single- and dual-species biofilms of these strains (by quantification of cultivable cells, total biomass and metabolic activity). Murine fibroblasts were exposed to different concentrations of the nanocarrier, and the cytotoxic effect was evaluated by MTT reduction assay. Characterization methods confirmed the presence of a nanocarrier smaller than 313 nm. IONPs-CS-CPC and free CPC showed the same MIC values (0.78 µg mL−1). CPC-containing nanocarrier at 78 µg mL−1 significantly reduced the number of cultivable cells for all biofilms, surpassing the effect promoted by free CPC. For total biomass, metabolic activity, and cytotoxic effects, the nanocarrier and free CPC produced statistically similar outcomes. In conclusion, the IONPs-CS-CPC nanocarrier was more effective than CPC in reducing the cultivable cells of Candida biofilms without increasing the cytotoxic effects of CPC, and may be a useful tool for the treatment of oral fungal infections.
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Affiliation(s)
- Heitor Ceolin Araujo
- Department of Preventive and Restorative Dentistry, School of Dentistry, Araçatuba, São Paulo State University (UNESP), Araçatuba SP 16015-050, Brazil; (H.C.A.); (L.S.A.); (F.N.d.S.N.); (J.P.P.)
| | - Laís Salomão Arias
- Department of Preventive and Restorative Dentistry, School of Dentistry, Araçatuba, São Paulo State University (UNESP), Araçatuba SP 16015-050, Brazil; (H.C.A.); (L.S.A.); (F.N.d.S.N.); (J.P.P.)
| | - Anne Caroline Morais Caldeirão
- Graduate Program in Dentistry (GPD—Master’s Degree), University of Western São Paulo (UNOESTE), Presidente Prudente SP 19050-920, Brazil;
| | - Lanay Caroline de Freitas Assumpção
- School of Dentistry, Presidente Prudente, University of Western São Paulo (UNOESTE), Presidente Prudente SP 19050-920, Brazil; (L.C.d.F.A.); (M.G.M.)
| | - Marcela Grigoletto Morceli
- School of Dentistry, Presidente Prudente, University of Western São Paulo (UNOESTE), Presidente Prudente SP 19050-920, Brazil; (L.C.d.F.A.); (M.G.M.)
| | - Francisco Nunes de Souza Neto
- Department of Preventive and Restorative Dentistry, School of Dentistry, Araçatuba, São Paulo State University (UNESP), Araçatuba SP 16015-050, Brazil; (H.C.A.); (L.S.A.); (F.N.d.S.N.); (J.P.P.)
| | | | - Sandra Helena Penha Oliveira
- Department of Basic Sciences, School of Dentistry, São Paulo State University (UNESP), Araçatuba SP 16015-050, Brazil;
| | - Juliano Pelim Pessan
- Department of Preventive and Restorative Dentistry, School of Dentistry, Araçatuba, São Paulo State University (UNESP), Araçatuba SP 16015-050, Brazil; (H.C.A.); (L.S.A.); (F.N.d.S.N.); (J.P.P.)
| | - Douglas Roberto Monteiro
- Graduate Program in Dentistry (GPD—Master’s Degree), University of Western São Paulo (UNOESTE), Presidente Prudente SP 19050-920, Brazil;
- School of Dentistry, Presidente Prudente, University of Western São Paulo (UNOESTE), Presidente Prudente SP 19050-920, Brazil; (L.C.d.F.A.); (M.G.M.)
- Correspondence: or ; Tel.: +55-18-3229-1000
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Simon A, Moreira MLA, Costa IFDJB, de Sousa VP, Rodrigues CR, da Rocha E Lima LMT, Sisnande T, do Carmo FA, Leal ICR, Dos Santos KRN, da Silva LCRP, Cabral LM. Vancomycin-loaded nanoparticles against vancomycin intermediate and methicillin resistant Staphylococcus aureus strains. NANOTECHNOLOGY 2020; 31:375101. [PMID: 32470951 DOI: 10.1088/1361-6528/ab97d7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Bacterial infections represent one of the leading causes of mortality in the world. Among causative pathogens, S. aureus is prominently known as the underlying cause of many multidrug resistant infections that are often treated with the first-line choice antibiotic vancomycin (VCM). Loading antibiotics into polymeric nanoparticles (Np) displays promise as an alternative method to deliver therapy due to the greater access and accumulation of the antibiotic at the site of the infection as well as reducing toxicity, irritation and degradation. The aim of this work was to prepare, characterize and evaluate VCM-loaded nanoparticles (VNp) for use against S. aureus strains. Moreover, conjugation of Nps with holo-transferrin (h-Tf) was investigated as an approach for improving targeted drug delivery. VNp were prepared by double emulsion solvent evaporation method using PLGA and PVA or DMAB as surfactants. The particles were characterized for size distribution, Zeta Potential, morphology by transmission electron microscopy, encapsulation yield and protein conjugation efficiency. Process yield and drug loading were also investigated along with an in vitro evaluation of VNp antimicrobial effects against S. aureus strains. Results showed that Np were spontaneously formed with a mean diameter lower than 300 nm in a narrow size distribution that presented a spherical shape. The bioconjugation with h-Tf did not appear to increase the antimicrobial effect of VNp. However, non-bioconjugated Np presented a minimal inhibitory concentration lower than free VCM against a MRSA (Methicillin-resistant S. aureus) strain, and slightly higher against a VISA (VCM intermediate S. aureus) strain. VNp without h-Tf showed potential to assist in the development of new therapies against S. aureus infections.
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Affiliation(s)
- Alice Simon
- Laboratório de Tecnologia Industrial Farmacêutica, Faculdade de Farmácia, Universidade Federal do Rio de Janeiro - UFRJ, CCS, Lss20, Ilha do Fundão, 21941-590, Rio de Janeiro, RJ, Brazil
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11
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Ye Q, Chen W, Huang H, Tang Y, Wang W, Meng F, Wang H, Zheng Y. Iron and zinc ions, potent weapons against multidrug-resistant bacteria. Appl Microbiol Biotechnol 2020; 104:5213-5227. [PMID: 32303820 DOI: 10.1007/s00253-020-10600-4] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 02/27/2020] [Accepted: 03/31/2020] [Indexed: 12/11/2022]
Abstract
Drug-resistant bacteria are becoming an increasingly widespread problem in the clinical setting. The current pipeline of antibiotics cannot provide satisfactory options for clinicians, which brought increasing attention to the development and application of non-traditional antimicrobial substances as alternatives. Metal ions, such as iron and zinc ions, have been widely applied to inhibit pathogens through different mechanisms, including synergistic action with different metabolic enzymes, regulation of efflux pumps, and inhibition of biofilm formation. Compared with traditional metal oxide nanoparticles, iron oxide nanoparticles (IONPs) and zinc oxide nanoparticles (ZnO-NPs) display stronger bactericidal effect because of their smaller ion particle sizes and higher surface energies. The combined utilization of metal NPs (nanoparticles) and antibiotics paves a new way to enhance antimicrobial efficacy and reduce the incidence of drug resistance. In this review, we summarize the physiological roles and bactericidal mechanisms of iron and zinc ions, present the recent progress in the research on the joint use of metal NPs with different antibiotics, and highlight the promising prospects of metal NPs as antimicrobial agents for tackling multidrug-resistant bacteria.
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Affiliation(s)
- Qian Ye
- College of Biotechnology and pharmaceutical Engineering, Nanjing Tech University, Nanjing, 211806, China.,Intensive Care Unit, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine, Nanjing, 210003, China
| | - Wei Chen
- Clinical Research Center, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine, Nanjing, 210003, China
| | - He Huang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China.,Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing, 211816, China.,State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, 210009, China.,School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China
| | - Yuqing Tang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China
| | - Weixiao Wang
- Clinical Research Center, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine, Nanjing, 210003, China
| | - Fanrong Meng
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China
| | - Huiling Wang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, 211816, China
| | - Yishan Zheng
- Intensive Care Unit, The Second Hospital of Nanjing, Nanjing University of Chinese Medicine, Nanjing, 210003, China.
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Mottola F, Iovine C, Santonastaso M, Romeo ML, Pacifico S, Cobellis L, Rocco L. NPs-TiO 2 and Lincomycin Coexposure Induces DNA Damage in Cultured Human Amniotic Cells. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1511. [PMID: 31652841 PMCID: PMC6915627 DOI: 10.3390/nano9111511] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/18/2019] [Accepted: 10/21/2019] [Indexed: 12/16/2022]
Abstract
Titanium dioxide nanoparticles (NPs-TiO2 or TiO2-NPs) have been employed in many commercial products such as medicines, foods and cosmetics. TiO2-NPs are able to carry antibiotics to target cells enhancing the antimicrobial efficiency; so that these nanoparticles are generally used in antibiotic capsules, like lincomycin, added as a dye. Lincomycin is usually used to treat pregnancy bacterial vaginosis and its combination with TiO2-NPs arises questions on the potential effects on fetus health. This study investigated the potential impact of TiO2-NPs and lincomycin co-exposure on human amniocytes in vitro. Cytotoxicity was evaluated with trypan blue vitality test, while genotoxic damage was performed by Comet Test, Diffusion Assay and RAPD-PCR for 48 and 72 exposure hours. Lincomycin exposure produced no genotoxic effects on amniotic cells, instead, the TiO2-NPs exposure induced genotoxicity. TiO2-NPs and lincomycin co-exposure caused significant increase of DNA fragmentation, apoptosis and DNA damage in amniocytes starting from 48 exposure hours. These results contribute to monitor the use of TiO2-NPs combined with drugs in medical application. The potential impact of antibiotics with TiO2-NPs during pregnancy could be associated with adverse effects on embryo DNA. The use of nanomaterials in drugs formulation should be strictly controlled in order to minimize risks.
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Affiliation(s)
- Filomena Mottola
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy.
| | - Concetta Iovine
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy.
| | - Marianna Santonastaso
- Department of Woman, Child and General and Special Surgery, University of Campania "Luigi Vanvitelli", 80138 Napoli, Italy.
| | - Maria Luisa Romeo
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy.
| | - Severina Pacifico
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy.
| | - Luigi Cobellis
- Department of Woman, Child and General and Special Surgery, University of Campania "Luigi Vanvitelli", 80138 Napoli, Italy.
- Sant' Anna e San Sebastiano Hospital, 81100 Caserta, Italy.
| | - Lucia Rocco
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania "Luigi Vanvitelli", 81100 Caserta, Italy.
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