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Morone MV, Chianese A, Dell’Annunziata F, Folliero V, Lamparelli EP, Della Porta G, Zannella C, De Filippis A, Franci G, Galdiero M, Morone A. Ligand-Free Silver Nanoparticles: An Innovative Strategy against Viruses and Bacteria. Microorganisms 2024; 12:820. [PMID: 38674764 PMCID: PMC11052337 DOI: 10.3390/microorganisms12040820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 04/15/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
The spread of antibiotic-resistant bacteria and the rise of emerging and re-emerging viruses in recent years constitute significant public health problems. Therefore, it is necessary to develop new antimicrobial strategies to overcome these challenges. Herein, we describe an innovative method to synthesize ligand-free silver nanoparticles by Pulsed Laser Ablation in Liquid (PLAL-AgNPs). Thus produced, nanoparticles were characterized by total X-ray fluorescence, zeta potential analysis, transmission electron microscopy (TEM), and nanoparticle tracking analysis (NTA). A 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay was performed to evaluate the nanoparticles' cytotoxicity. Their potential was evaluated against the enveloped herpes simplex virus type 1 (HSV-1) and the naked poliovirus type 1 (PV-1) by plaque reduction assays and confirmed by real-time PCR and fluorescence microscopy, showing that nanoparticles interfered with the early stage of infection. Their action was also examined against different bacteria. We observed that the PLAL-AgNPs exerted a strong effect against both methicillin-resistant Staphylococcus aureus (S. aureus MRSA) and Escherichia coli (E. coli) producing extended-spectrum β-lactamase (ESBL). In detail, the PLAL-AgNPs exhibited a bacteriostatic action against S. aureus and a bactericidal activity against E. coli. Finally, we proved that the PLAL-AgNPs were able to inhibit/degrade the biofilm of S. aureus and E. coli.
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Affiliation(s)
- Maria Vittoria Morone
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (M.V.M.); (A.C.); (F.D.); (C.Z.); (A.D.F.); (M.G.)
| | - Annalisa Chianese
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (M.V.M.); (A.C.); (F.D.); (C.Z.); (A.D.F.); (M.G.)
| | - Federica Dell’Annunziata
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (M.V.M.); (A.C.); (F.D.); (C.Z.); (A.D.F.); (M.G.)
| | - Veronica Folliero
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, 84081 Baronissi, Italy; (V.F.); (E.P.L.); (G.D.P.); (G.F.)
| | - Erwin Pavel Lamparelli
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, 84081 Baronissi, Italy; (V.F.); (E.P.L.); (G.D.P.); (G.F.)
| | - Giovanna Della Porta
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, 84081 Baronissi, Italy; (V.F.); (E.P.L.); (G.D.P.); (G.F.)
- Interdepartment Centre BIONAM, Università di Salerno, via Giovanni Paolo I, 84084 Fisciano, Italy
| | - Carla Zannella
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (M.V.M.); (A.C.); (F.D.); (C.Z.); (A.D.F.); (M.G.)
| | - Anna De Filippis
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (M.V.M.); (A.C.); (F.D.); (C.Z.); (A.D.F.); (M.G.)
| | - Gianluigi Franci
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, 84081 Baronissi, Italy; (V.F.); (E.P.L.); (G.D.P.); (G.F.)
| | - Massimiliano Galdiero
- Department of Experimental Medicine, Section of Microbiology and Clinical Microbiology, University of Campania “L. Vanvitelli”, 80138 Naples, Italy; (M.V.M.); (A.C.); (F.D.); (C.Z.); (A.D.F.); (M.G.)
| | - Antonio Morone
- Consiglio Nazionale delle Ricerche, Instituto di Struttura della Materia U.O. di Tito Scalo, 85050 Potenza, Italy
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Campos LA, Neto AF, Noronha MC, Santos JV, Cavalcante MK, Castro MC, Pereira VR, Cavalcanti IM, Santos-Magalhães NS. Zein nanoparticles containing ceftazidime and tobramycin: antibacterial activity against Gram-negative bacteria. Future Microbiol 2024; 19:317-334. [PMID: 38440893 DOI: 10.2217/fmb-2023-0147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 09/25/2023] [Indexed: 03/06/2024] Open
Abstract
Aims: This work describes the encapsulation of ceftazidime and tobramycin in zein nanoparticles (ZNPs) and the characterization of their antibacterial and antibiofilm activities against Gram-negative bacteria. Materials & methods: ZNPs were synthesized by nanoprecipitation. Cytotoxicity was assessed by MTT assay and antibacterial and antibiofilm assays were performed by broth microdilution and violet crystal techniques. Results: ZNPs containing ceftazidime (CAZ-ZNPs) and tobramycin (TOB-ZNPs) showed drug encapsulation and thermal stability. Encapsulation of the drugs reduced their cytotoxicity 9-25-fold. Antibacterial activity, inhibition and eradication of biofilm by CAZ-ZNPs and TOB-ZNPs were observed. There was potentiation when CAZ-ZNPs and TOB-ZNPs were combined. Conclusion: CAZ-ZNPs and TOB-ZNPs present ideal physical characteristics for in vivo studies of antibacterial and antibiofilm activities.
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Affiliation(s)
- Luís Aa Campos
- Biochemistry Sector, Keizo Asami Institute, Federal University of Pernambuco, Recife, CEP 50670-901, Pernambuco, Brazil
- Clinical Microbiology Sector, Keizo Asami Institute, Federal University of Pernambuco, Recife, CEP 50670-901, Pernambuco, Brazil
| | - Azael Fs Neto
- Biochemistry Sector, Keizo Asami Institute, Federal University of Pernambuco, Recife, CEP 50670-901, Pernambuco, Brazil
| | - Maria Cs Noronha
- Biochemistry Sector, Keizo Asami Institute, Federal University of Pernambuco, Recife, CEP 50670-901, Pernambuco, Brazil
| | - João Vo Santos
- Clinical Microbiology Sector, Keizo Asami Institute, Federal University of Pernambuco, Recife, CEP 50670-901, Pernambuco, Brazil
| | - Marton Ka Cavalcante
- Oswaldo Cruz Pernambuco Foundation, Fiocruz/PE, Immunogenetics Laboratory, Recife, CEP 50740-465, Pernambuco, Brazil
| | - Maria Cab Castro
- Oswaldo Cruz Pernambuco Foundation, Fiocruz/PE, Immunogenetics Laboratory, Recife, CEP 50740-465, Pernambuco, Brazil
- Parasitology Laboratory, Federal University of Pernambuco/Academic Center of Vitória, Vitória de Santo Antão, CEP 55608- 680, Pernambuco, Brazil
| | - Valéria Ra Pereira
- Oswaldo Cruz Pernambuco Foundation, Fiocruz/PE, Immunogenetics Laboratory, Recife, CEP 50740-465, Pernambuco, Brazil
| | - Isabella Mf Cavalcanti
- Clinical Microbiology Sector, Keizo Asami Institute, Federal University of Pernambuco, Recife, CEP 50670-901, Pernambuco, Brazil
- Laboratory of Microbiology & Immunology, Federal University of Pernambuco/Academic Center of Vitória, Vitória de Santo Antão, CEP 55608- 680, Pernambuco, Brazil
| | - Nereide S Santos-Magalhães
- Biochemistry Sector, Keizo Asami Institute, Federal University of Pernambuco, Recife, CEP 50670-901, Pernambuco, Brazil
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Damyanova T, Dimitrova PD, Borisova D, Topouzova-Hristova T, Haladjova E, Paunova-Krasteva T. An Overview of Biofilm-Associated Infections and the Role of Phytochemicals and Nanomaterials in Their Control and Prevention. Pharmaceutics 2024; 16:162. [PMID: 38399223 PMCID: PMC10892570 DOI: 10.3390/pharmaceutics16020162] [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: 12/01/2023] [Revised: 01/04/2024] [Accepted: 01/22/2024] [Indexed: 02/25/2024] Open
Abstract
Biofilm formation is considered one of the primary virulence mechanisms in Gram-positive and Gram-negative pathogenic species, particularly those responsible for chronic infections and promoting bacterial survival within the host. In recent years, there has been a growing interest in discovering new compounds capable of inhibiting biofilm formation. This is considered a promising antivirulence strategy that could potentially overcome antibiotic resistance issues. Effective antibiofilm agents should possess distinctive properties. They should be structurally unique, enable easy entry into cells, influence quorum sensing signaling, and synergize with other antibacterial agents. Many of these properties are found in both natural systems that are isolated from plants and in synthetic systems like nanoparticles and nanocomposites. In this review, we discuss the clinical nature of biofilm-associated infections and some of the mechanisms associated with their antibiotic tolerance. We focus on the advantages and efficacy of various natural and synthetic compounds as a new therapeutic approach to control bacterial biofilms and address multidrug resistance in bacteria.
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Affiliation(s)
- Tsvetozara Damyanova
- Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Akad. G. Bonchev St. bl. 26, 1113 Sofia, Bulgaria; (T.D.); (P.D.D.); (D.B.)
| | - Petya D. Dimitrova
- Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Akad. G. Bonchev St. bl. 26, 1113 Sofia, Bulgaria; (T.D.); (P.D.D.); (D.B.)
| | - Dayana Borisova
- Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Akad. G. Bonchev St. bl. 26, 1113 Sofia, Bulgaria; (T.D.); (P.D.D.); (D.B.)
| | - Tanya Topouzova-Hristova
- Faculty of Biology, Sofia University “St. K. Ohridski”, 8 D. Tsankov Blvd., 1164 Sofia, Bulgaria
| | - Emi Haladjova
- Institute of Polymers, Bulgarian Academy of Sciences, Akad. G. Bonchev St. bl. 103-A, 1113 Sofia, Bulgaria;
| | - Tsvetelina Paunova-Krasteva
- Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Akad. G. Bonchev St. bl. 26, 1113 Sofia, Bulgaria; (T.D.); (P.D.D.); (D.B.)
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4
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Girma A. Alternative mechanisms of action of metallic nanoparticles to mitigate the global spread of antibiotic-resistant bacteria. Cell Surf 2023; 10:100112. [PMID: 37920217 PMCID: PMC10618811 DOI: 10.1016/j.tcsw.2023.100112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 11/04/2023] Open
Abstract
One of the biggest issues for medical professionals and a serious global concern is the emergence of multi-drug-resistant bacteria, which is the result of the overuse or misuse of antimicrobial agents. To combat this urgent problem, new drugs with alternative mechanisms of action are continuously replacing conventional antimicrobials. Nanotechnology-fueled innovations provide patients and medical professionals with hope for overcoming drug resistance. The aim of the present work was to document the antimicrobial potential and mechanisms of action of metallic nanoparticles against bacterial pathogens. Cell wall interaction and membrane penetration, reactive oxygen species (ROS) production, DNA damage, and protein synthesis inhibition were some of the generalised mechanisms recognised in the current study. In vitro and in vivo studies demonstrated that toxicity concerns and the development of bacterial resistance against nanoparticles (NPs) harden the use of metallic NP products for the treatment of drug-resistant bacterial pathogens. Therefore, researchers across the globe should actively engage in solving the above-mentioned issues.
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Affiliation(s)
- Abayeneh Girma
- Department of Biology, College of Natural and Computational Science, Mekdela Amba University, P.O. Box 32, Tuluawlia, Ethiopia
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5
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Chan WJ, Urandur S, Li H, Goudar VS. Recent advances in copper sulfide nanoparticles for phototherapy of bacterial infections and cancer. Nanomedicine (Lond) 2023; 18:2185-2204. [PMID: 38116732 DOI: 10.2217/nnm-2023-0202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023] Open
Abstract
Copper sulfide nanoparticles (CuS NPs) have attracted growing interest in biomedical research due to their remarkable properties, such as their high photothermal and thermodynamic capabilities, which are ideal for anticancer and antibacterial applications. This comprehensive review focuses on the current state of antitumor and antibacterial applications of CuS NPs. The initial section provides an overview of the various approaches to synthesizing CuS NPs, highlighting the size, shape and composition of CuS NPs fabricated using different methods. In this review, the mechanisms underlying the antitumor and antibacterial activities of CuS NPs in medical applications are discussed and the clinical challenges associated with the use of CuS NPs are also addressed.
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Affiliation(s)
- Wei-Jen Chan
- Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Sandeep Urandur
- Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Huatian Li
- Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA 15261, USA
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6
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Maleki AR, Tabatabaei RR, Aminian F, Ranjbar S, Ashrafi F, Ranjbar R. Antibacterial and antibiofilm effects of green synthesized selenium nanoparticles on clinical Klebsiella pneumoniae isolates. J Basic Microbiol 2023; 63:1373-1382. [PMID: 37699755 DOI: 10.1002/jobm.202300332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/24/2023] [Accepted: 09/03/2023] [Indexed: 09/14/2023]
Abstract
Nanotechnology covers many disciplines, including the biological sciences. In this study, selenium nanoparticles (Se-NPs) were synthesized using Artemisia annua extract and investigated against clinical strains of klebsiella pneumoniae (K. pneumoniae) for their anti-biofilm effects. In this experimental study, from May 1998 to September 1998, 50 clinical samples of blood, urine, and sputum were collected, and K. pneumoniae strains were isolated using microbiological methods. Subsequently, the antibacterial effects of Se-NPs at concentrations of 12-25-50-100/5-6/3-25/125 μg/mL were studied. Finally, biofilm-producing strains were isolated, and the expression of mrkA biofilm gene was studied in real-time strains treated with Se-NPs using real-time polymerase chain reaction (PCR). Out of 50 clinical samples, 20 strains of K. pneumoniae were isolated. Minimum inhibitory concentration (MIC) results of Se-NPs showed that Se-NPs were capable of significant cell killing. Real-time PCR results also showed that mrkA gene expression was significantly reduced in strains treated with Se-NPs. According to this study, Se-NPs could reduce bacterial growth and biofilm formation, therefore, could be considered a candidate drug in the medical application for infections caused by K. pneumoniae.
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Affiliation(s)
- Ali Reza Maleki
- Depatment of Microbiology, School of Biological Sciences, Islamic Azad University, North Tehran Branch, Tehran, Iran
| | - Robab Rafiei Tabatabaei
- Depatment of Microbiology, School of Biological Sciences, Islamic Azad University, North Tehran Branch, Tehran, Iran
| | - Fatemeh Aminian
- Department of Molecular Cell Biology and Genetics, Bushehr Branch, Islamic Azad University, Bushehr, Iran
| | - Sina Ranjbar
- Department of Microbiology, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran
| | - Fatemeh Ashrafi
- Depatment of Microbiology, School of Biological Sciences, Islamic Azad University, North Tehran Branch, Tehran, Iran
| | - Reza Ranjbar
- Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
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7
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Metryka O, Wasilkowski D, Adamczyk-Habrajska M, Mrozik A. Undesirable consequences of the metallic nanoparticles action on the properties and functioning of Escherichia coli, Bacillus cereus and Staphylococcus epidermidis membranes. JOURNAL OF HAZARDOUS MATERIALS 2023; 446:130728. [PMID: 36610340 DOI: 10.1016/j.jhazmat.2023.130728] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 01/03/2023] [Accepted: 01/03/2023] [Indexed: 06/17/2023]
Abstract
Controversial and inconsistent findings on the toxicity of metallic nanoparticles (NPs) against many bacteria are common in recorded studies; therefore, further advanced experimental work is needed to elucidate the mechanisms underlying nanotoxicity. This study deciphered the direct effects of Ag-NPs, Cu-NPs, ZnO-NPs and TiO2-NPs on membrane permeability, cytoplasmic leakage, ATP level, ATPase activity and fatty acid profiling of Escherichia coli, Bacillus cereus and Staphylococcus epidermidis as model microorganisms. A multifaceted analysis of all collected results indicated the different influences of individual NPs on the measured parameters depending on their type and concentration. Predominantly, membrane permeability was correlated with increased cytoplasmic leakage, reduced total ATP levels and ATPase activity. The established fatty acid profiles were unique and concerned various changes in the percentages of hydroxyl, cyclopropane, branched and unsaturated fatty acids. Decisively, E. coli was more susceptible to changes in measured parameters than B. cereus and S. epidermidis. Also, it was established that ZnO-NPs and Cu-NPs had a major differentiating impact on studied parameters. Additionally, bacterial cell imaging using scanning electron microscopy elucidated different NPs distributions on the cell surface. The presented results are believed to provide novel, valuable and accumulated knowledge in the understanding of NPs action on bacterial membranes.
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Affiliation(s)
- Oliwia Metryka
- Doctoral School, University of Silesia, Bankowa 14, Katowice 40-032, Poland.
| | - Daniel Wasilkowski
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia, Jagiellońska 29, Katowice 40-032, Poland
| | - Małgorzata Adamczyk-Habrajska
- Institute of Materials Engineering, Faculty of Science and Technology, University of Silesia, Żytnia 12, Sosnowiec 41-200, Poland
| | - Agnieszka Mrozik
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia, Jagiellońska 29, Katowice 40-032, Poland.
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8
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Yan J, Lyu X, Jiang Y, Ng KR, Yang R, Zhang F, Zhao W. Precise Photothermal Treatment of Methicillin-Resistant S. aureus Infection via Phage Lysin-Cell Binding Domain-Modified Gold Nanosheets. ACS APPLIED MATERIALS & INTERFACES 2023; 15:6514-6525. [PMID: 36695173 DOI: 10.1021/acsami.2c20102] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The increasing spread of antibiotic resistance in bacterial pathogens poses a huge threat to global human health. Precise targeting of bacterial pathogens while avoiding collateral damage to healthy tissues has become the overriding goal for bacterial infection treatment. Inspired by the host specificity of bacteriophages, a biomimetic intelligent platform was designed for highly precise photothermal treatment herein. As proof-of-concept, the lysin cell-binding domain (CBD) from a newly discovered virulent methicillin-resistant S. aureus (MRSA) phage Z was applied to the functionalization of gold nanosheets. Our results demonstrated that the bionanocomposite gold particles (Au@PEG-CBDz) could be effectively delivered directly to MRSA and kill them effectively under near infrared irradiation in vitro, while displaying good in vivo biocompatibility. This work is the first to report the combination of phage lysin navigatory function with photothermal effect-induced bactericidal activity from Au nanosheets, providing a novel therapeutic mode for the precision treatment of antibiotic-resistant bacterial infections.
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Affiliation(s)
- Jiai Yan
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, P. R. China
- Affiliated Hospital of Jiangnan University, 1000 Hefeng Road, Wuxi, Jiangsu 214122, P. R. China
| | - Xiaomei Lyu
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, P. R. China
| | - Yiming Jiang
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, P. R. China
| | - Kuan Rei Ng
- Food Science and Technology Programme, Nanyang Technological University, Singapore 637459, Singapore
| | - Ruijin Yang
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, P. R. China
| | - Feng Zhang
- Affiliated Hospital of Jiangnan University, 1000 Hefeng Road, Wuxi, Jiangsu 214122, P. R. China
| | - Wei Zhao
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, P. R. China
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Salimiyan rizi K. MXene nanosheets as a novel nanomaterial with antimicrobial applications: A literature review. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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10
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Mazmancı B, Könen Adıgüzel S, Sadak YS, Yetkin D, Ay H, Adıgüzel AO. Antimicrobial, antibiofilm, and anticancer potential of silver nanoparticles synthesized using pigment-producing Micromonospora sp. SH121. Prep Biochem Biotechnol 2022; 53:475-487. [PMID: 35857430 DOI: 10.1080/10826068.2022.2101001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Silver nanoparticles (AgNPs) have gained interest as an alternative pharmaceutical agent because of antimicrobial resistance and drug toxicity. Considering the increasing request, eco-friendly, sustainable, and cost-effective synthesis of versatile AgNPs has become necessary. In this study, green-made AgNPs were successfully synthesized using Micromonospora sp. SH121 (Mm-AgNPs). Synthesis was verified by surface plasmon resonance (SPR) peak at 402 nm wavelength in the UV-Visible (UV-Vis) absorption spectrum. Scanning electron microscopy (SEM) analysis depicted that Mm-AgNPs were in the size range of 10-30 nm and spherical. Fourier transform infrared spectroscopy (FTIR) confirmed the existence of bioactive molecules on the surface of nanoparticles. The X-ray diffraction (XRD) analysis revealed the face-centered cubic (fcc) structure of the Mm-AgNPs. Their polydispersity index (PDI) and zeta potential were 0. 284 and -35.3 mV, respectively. Mm-AgNPs (4-32 µg/mL) exhibited strong antimicrobial activity against Bacillus cereus, Enterococcus faecalis, Enterococcus hirae, Escherichia coli, Klebsiella pneumoniae, Proteus vulgaris, Pseudomonas putida, Staphylococcus epidermidis, Streptococcus pneumoniae, and Aspergillus flavus. Mm-AgNPs partially inhibited the biofilm formation in Acinetobacter baumannii, E. coli, K. pneumoniae, and Pseudomonas aeruginosa. Furthermore, results showed that low concentrations of Mm-AgNPs (1 and 10 µg/mL) caused higher cytotoxicity and apoptosis in DU 145 cells than human fibroblast cells. Based on the results, Mm-AgNPs have an excellent potential for treating infectious diseases and prostate cancer.
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Affiliation(s)
- Birgül Mazmancı
- Department of Nanotechnology and Advanced Material, Science Institute, Mersin University, Mersin, Turkey.,Department of Biology, Faculty of Science and Letter, Mersin University, Mersin, Turkey
| | - Serpil Könen Adıgüzel
- Department of Biology, Faculty of Science and Letter, Süleyman Demirel University, Isparta, Turkey
| | - Yiğit Süha Sadak
- Department of Biology, Faculty of Science and Letter, Mersin University, Mersin, Turkey
| | - Derya Yetkin
- Faculty of Science and Letter, Advanced Technology Education Research and Application Center, Süleyman Demirel University, Isparta, Turkey
| | - Hilal Ay
- Department of Molecular Biology and Genetics, Faculty of Science and Letter, Ondokuz Mayıs University, Samsun, Turkey
| | - Ali Osman Adıgüzel
- Department of Molecular Biology and Genetics, Faculty of Science and Letter, Ondokuz Mayıs University, Samsun, Turkey
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11
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Peptides to Overcome the Limitations of Current Anticancer and Antimicrobial Nanotherapies. Pharmaceutics 2022; 14:pharmaceutics14061235. [PMID: 35745807 PMCID: PMC9230615 DOI: 10.3390/pharmaceutics14061235] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/25/2022] [Accepted: 06/09/2022] [Indexed: 12/13/2022] Open
Abstract
Biomedical research devotes a huge effort to the development of efficient non-viral nanovectors (NV) to improve the effectiveness of standard therapies. NVs should be stable, sustainable and biocompatible and enable controlled and targeted delivery of drugs. With the aim to foster the advancements of such devices, this review reports some recent results applicable to treat two types of pathologies, cancer and microbial infections, aiming to provide guidance in the overall design of personalized nanomedicines and highlight the key role played by peptides in this field. Additionally, future challenges and potential perspectives are illustrated, in the hope of accelerating the translational advances of nanomedicine.
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12
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Jampilek J. Drug repurposing to overcome microbial resistance. Drug Discov Today 2022; 27:2028-2041. [PMID: 35561965 DOI: 10.1016/j.drudis.2022.05.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 05/02/2022] [Accepted: 05/06/2022] [Indexed: 12/15/2022]
Abstract
Infections are a growing global threat, and the number of resistant species of microbial pathogens is alarming. However, the rapid development of cross-resistant or multidrug-resistant strains and the development of so-called 'superbugs' are in stark contrast to the number of newly launched anti-infectives on the market. In this review, I summarize the causes of antimicrobial resistance, briefly discuss different approaches to the discovery and development of new anti-infective drugs, and focus on drug repurposing strategy, which is discussed from all possible perspectives. A comprehensive overview of drugs of other indications tested for their in vitro antimicrobial activity to support existing anti-infective therapeutics is provided, including several critical remarks on this strategy of repurposing non-antibiotics to antibacterial drugs.
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Affiliation(s)
- Josef Jampilek
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15 Bratislava, Slovakia; Department of Chemical Biology, Faculty of Science, Palacky University, Slechtitelu 27, 783 71 Olomouc, Czech Republic.
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13
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Jampilek J, Kralova K. Advances in Nanostructures for Antimicrobial Therapy. MATERIALS 2022; 15:ma15072388. [PMID: 35407720 PMCID: PMC8999898 DOI: 10.3390/ma15072388] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/16/2022] [Accepted: 03/22/2022] [Indexed: 02/07/2023]
Abstract
Microbial infections caused by a variety of drug-resistant microorganisms are more common, but there are fewer and fewer approved new antimicrobial chemotherapeutics for systemic administration capable of acting against these resistant infectious pathogens. Formulation innovations of existing drugs are gaining prominence, while the application of nanotechnologies is a useful alternative for improving/increasing the effect of existing antimicrobial drugs. Nanomaterials represent one of the possible strategies to address this unfortunate situation. This review aims to summarize the most current results of nanoformulations of antibiotics and antibacterial active nanomaterials. Nanoformulations of antimicrobial peptides, synergistic combinations of antimicrobial-active agents with nitric oxide donors or combinations of small organic molecules or polymers with metals, metal oxides or metalloids are discussed as well. The mechanisms of actions of selected nanoformulations, including systems with magnetic, photothermal or photodynamic effects, are briefly described.
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Affiliation(s)
- Josef Jampilek
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15 Bratislava, Slovakia
- Department of Chemical Biology, Faculty of Science, Palacky University Olomouc, Slechtitelu 27, 783 71 Olomouc, Czech Republic
- Correspondence:
| | - Katarina Kralova
- Institute of Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15 Bratislava, Slovakia;
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14
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Berini F, Orlandi V, Gornati R, Bernardini G, Marinelli F. Nanoantibiotics to fight multidrug resistant infections by Gram-positive bacteria: hope or reality? Biotechnol Adv 2022; 57:107948. [PMID: 35337933 DOI: 10.1016/j.biotechadv.2022.107948] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 03/15/2022] [Accepted: 03/17/2022] [Indexed: 12/17/2022]
Abstract
The spread of antimicrobial resistance in Gram-positive pathogens represents a threat to human health. To counteract the current lack of novel antibiotics, alternative antibacterial treatments have been increasingly investigated. This review covers the last decade's developments in using nanoparticles as carriers for the two classes of frontline antibiotics active on multidrug-resistant Gram-positive pathogens, i.e., glycopeptide antibiotics and daptomycin. Most of the reviewed papers deal with vancomycin nanoformulations, being teicoplanin- and daptomycin-carrying nanosystems much less investigated. Special attention is addressed to nanoantibiotics used for contrasting biofilm-associated infections. The status of the art related to nanoantibiotic toxicity is critically reviewed.
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Affiliation(s)
- Francesca Berini
- Department of Biotechnology and Life Sciences, University of Insubria, via JH Dunant 3, 21100 Varese, Italy.
| | - Viviana Orlandi
- Department of Biotechnology and Life Sciences, University of Insubria, via JH Dunant 3, 21100 Varese, Italy.
| | - Rosalba Gornati
- Department of Biotechnology and Life Sciences, University of Insubria, via JH Dunant 3, 21100 Varese, Italy.
| | - Giovanni Bernardini
- Department of Biotechnology and Life Sciences, University of Insubria, via JH Dunant 3, 21100 Varese, Italy.
| | - Flavia Marinelli
- Department of Biotechnology and Life Sciences, University of Insubria, via JH Dunant 3, 21100 Varese, Italy.
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15
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Alves-Barroco C, Rivas-García L, Fernandes AR, Baptista PV. Light Triggered Enhancement of Antibiotic Efficacy in Biofilm Elimination Mediated by Gold-Silver Alloy Nanoparticles. Front Microbiol 2022; 13:841124. [PMID: 35295305 PMCID: PMC8919054 DOI: 10.3389/fmicb.2022.841124] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 01/24/2022] [Indexed: 12/21/2022] Open
Abstract
Bacterial biofilm is a tri-dimensional complex community of cells at different metabolic stages involved in a matrix of self-produced extracellular polymeric substances. Biofilm formation is part of a defense mechanism that allows the bacteria to survive in hostile environments, such as increasing resistance or tolerance to antimicrobial agents, causing persistent infections hard to treat and impair disease eradication. One such example is bovine mastitis associated with Streptococcus dysgalactiae subsp. dysgalactiae (SDSD), whose worldwide health and economic impact is on the surge. As such, non-conventional nanobased approaches have been proposed as an alternative to tackle biofilm formation and to which pathogenic bacteria fail to adapt. Among these, metallic nanoparticles have gained significant attention, particularly gold and silver nanoparticles, due to their ease of synthesis and impact against microorganism growth. This study provides a proof-of-concept investigation into the use of gold-silver alloy nanoparticles (AuAgNPs) toward eradication of bacterial biofilms. Upon visible light irradiation of AuAgNPs there was considerable disturbance of the biofilms' matrix. The hindering of structural integrity of the biofilm matrix resulted in an increased permeability for entry of antibiotics, which then cause the eradication of biofilm and inhibit subsequent biofilm formation. Additionally, our results that AuAgNPs inhibited the formation of SDSD biofilms via distinct stress pathways that lead to the downregulation of two genes critical for biofilm production, namely, brpA-like encoding biofilm regulatory protein and fbpA fibronectin-binding protein A. This study provides useful information to assist the development of nanoparticle-based strategies for the active treatment of biofilm-related infections triggered by photoirradiation in the visible.
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Affiliation(s)
- Cinthia Alves-Barroco
- Applied Molecular Biosciences Unit, Dept. Ciências da Vida, NOVA School of Science and Technology, Costa da Caparica, Portugal
- i4HB, Associate Laboratory–Institute for Health and Bioeconomy, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Lorenzo Rivas-García
- Applied Molecular Biosciences Unit, Dept. Ciências da Vida, NOVA School of Science and Technology, Costa da Caparica, Portugal
- Biomedical Research Centre, Institute of Nutrition and Food Technology, Department of Physiology, Faculty of Pharmacy, University of Granada, Granada, Spain
| | - Alexandra R. Fernandes
- Applied Molecular Biosciences Unit, Dept. Ciências da Vida, NOVA School of Science and Technology, Costa da Caparica, Portugal
- i4HB, Associate Laboratory–Institute for Health and Bioeconomy, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Caparica, Portugal
| | - Pedro Viana Baptista
- Applied Molecular Biosciences Unit, Dept. Ciências da Vida, NOVA School of Science and Technology, Costa da Caparica, Portugal
- i4HB, Associate Laboratory–Institute for Health and Bioeconomy, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Caparica, Portugal
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16
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The Antibiofilm Nanosystems for Improved Infection Inhibition of Microbes in Skin. Molecules 2021; 26:molecules26216392. [PMID: 34770799 PMCID: PMC8587837 DOI: 10.3390/molecules26216392] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/18/2021] [Accepted: 10/19/2021] [Indexed: 12/13/2022] Open
Abstract
Biofilm formation is an important virulence factor for the opportunistic microorganisms that elicit skin infections. The recalcitrant feature of biofilms and their antibiotic tolerance impose a great challenge on the use of conventional therapies. Most antibacterial agents have difficulty penetrating the matrix produced by a biofilm. One novel approach to address these concerns is to prevent or inhibit the formation of biofilms using nanoparticles. The advantages of using nanosystems for antibiofilm applications include high drug loading efficiency, sustained or prolonged drug release, increased drug stability, improved bioavailability, close contact with bacteria, and enhanced accumulation or targeting to biomasses. Topically applied nanoparticles can act as a strategy for enhancing antibiotic delivery into the skin. Various types of nanoparticles, including metal oxide nanoparticles, polymeric nanoparticles, liposomes, and lipid-based nanoparticles, have been employed for topical delivery to treat biofilm infections on the skin. Moreover, nanoparticles can be designed to combine with external stimuli to produce magnetic, photothermal, or photodynamic effects to ablate the biofilm matrix. This study focuses on advanced antibiofilm approaches based on nanomedicine for treating skin infections. We provide in-depth descriptions on how the nanoparticles could effectively eliminate biofilms and any pathogens inside them. We then describe cases of using nanoparticles for antibiofilm treatment of the skin. Most of the studies included in this review were supported by in vivo animal infection models. This article offers an overview of the benefits of nanosystems for treating biofilms grown on the skin.
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Korolev D, Shumilo M, Shulmeyster G, Krutikov A, Golovkin A, Mishanin A, Gorshkov A, Spiridonova A, Domorad A, Krasichkov A, Galagudza M. Hemolytic Activity, Cytotoxicity, and Antimicrobial Effects of Human Albumin- and Polysorbate-80-Coated Silver Nanoparticles. NANOMATERIALS 2021; 11:nano11061484. [PMID: 34205084 PMCID: PMC8227625 DOI: 10.3390/nano11061484] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/28/2021] [Accepted: 05/31/2021] [Indexed: 02/05/2023]
Abstract
In this study, we aimed to develop a technique for colloidal silver nanoparticle (AgNP) modification in order to increase their stability in aqueous suspensions. For this purpose, 40-nm spherical AgNPs were modified by the addition of either human albumin or Tween-80 (Polysorbate-80). After detailed characterization of their physicochemical properties, the hemolytic activity of the nonmodified and modified AgNPs was investigated, as well as their cytotoxicity and antimicrobial effects. Both albumin- and Tween-80-coated AgNPs demonstrated excellent stability in 0.9% sodium chloride solution (>12 months) compared to nonmodified AgNPs, characterized by their rapid precipitation. Hemolytic activity of nonmodified and albumin-coated AgNPs was found to be minimal, while Tween-80-modified AgNPs produced significant hemolysis after 1, 2, and 24 h of incubation. In addition, both native and Tween-80-covered AgNPs showed dose-dependent cytotoxic effects on human adipose-tissue-derived mesenchymal stem cells. The albumin-coated AgNPs showed minimal cytotoxicity. The antimicrobial effects of native and albumin-coated AgNPs against S. aureus, K. pneumonia, P. aeruginosa, Corynebacterium spp., and Acinetobacter spp. were statistically significant. We conclude that albumin coating of AgNPs significantly contributes to improve stability, reduce cytotoxicity, and confers potent antimicrobial action.
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Affiliation(s)
- Dmitry Korolev
- Almazov National Research Centre, 197341 Saint-Petersburg, Russia; (D.K.); (G.S.); (A.K.); (A.G.); (A.M.); (M.G.)
- Pavlov First Saint-Petersburg State Medical University, 197022 Saint-Petersburg, Russia; (A.S.); (A.D.)
| | - Michael Shumilo
- Almazov National Research Centre, 197341 Saint-Petersburg, Russia; (D.K.); (G.S.); (A.K.); (A.G.); (A.M.); (M.G.)
- Saint-Petersburg Electrotechnical University “LETI-ETU” Named after V.I.Ulyanov (Lenin), 197376 Saint-Petersburg, Russia;
- Correspondence:
| | - Galina Shulmeyster
- Almazov National Research Centre, 197341 Saint-Petersburg, Russia; (D.K.); (G.S.); (A.K.); (A.G.); (A.M.); (M.G.)
| | - Alexander Krutikov
- Almazov National Research Centre, 197341 Saint-Petersburg, Russia; (D.K.); (G.S.); (A.K.); (A.G.); (A.M.); (M.G.)
- Pavlov First Saint-Petersburg State Medical University, 197022 Saint-Petersburg, Russia; (A.S.); (A.D.)
| | - Alexey Golovkin
- Almazov National Research Centre, 197341 Saint-Petersburg, Russia; (D.K.); (G.S.); (A.K.); (A.G.); (A.M.); (M.G.)
| | - Alexander Mishanin
- Almazov National Research Centre, 197341 Saint-Petersburg, Russia; (D.K.); (G.S.); (A.K.); (A.G.); (A.M.); (M.G.)
| | - Andrew Gorshkov
- Saint-Petersburg Research Institute of Influenza, 197376 Saint-Petersburg, Russia;
| | - Anna Spiridonova
- Pavlov First Saint-Petersburg State Medical University, 197022 Saint-Petersburg, Russia; (A.S.); (A.D.)
- Federal State Institution Saint-Petersburg Pasteur Research Institute of Epidemiology and Microbiology, 197101 Saint-Petersburg, Russia
| | - Anna Domorad
- Pavlov First Saint-Petersburg State Medical University, 197022 Saint-Petersburg, Russia; (A.S.); (A.D.)
| | - Alexander Krasichkov
- Saint-Petersburg Electrotechnical University “LETI-ETU” Named after V.I.Ulyanov (Lenin), 197376 Saint-Petersburg, Russia;
| | - Michael Galagudza
- Almazov National Research Centre, 197341 Saint-Petersburg, Russia; (D.K.); (G.S.); (A.K.); (A.G.); (A.M.); (M.G.)
- Pavlov First Saint-Petersburg State Medical University, 197022 Saint-Petersburg, Russia; (A.S.); (A.D.)
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