1
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Rajangam SL, Narasimhan MK. Current treatment strategies for targeting virulence factors and biofilm formation in Acinetobacter baumannii. Future Microbiol 2024. [PMID: 38683166 DOI: 10.2217/fmb-2023-0263] [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: 05/01/2024] Open
Abstract
A higher prevalence of Acinetobacter baumannii infections and mortality rate has been reported recently in hospital-acquired infections (HAI). The biofilm-forming capability of A. baumannii makes it an extremely dangerous pathogen, especially in device-associated hospital-acquired infections (DA-HAI), thereby it resists the penetration of antibiotics. Further, the transmission of the SARS-CoV-2 virus was exacerbated in DA-HAI during the epidemic. This review specifically examines the complex interconnections between several components and genes that play a role in the biofilm formation and the development of infections. The current review provides insights into innovative treatments and therapeutic approaches to combat A. baumannii biofilm-related infections, thereby ultimately improving patient outcomes and reducing the burden of HAI.
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Affiliation(s)
- Seetha Lakshmi Rajangam
- Department of Genetic Engineering, School of Bioengineering, College of Engineering & Technology, SRM Institute of Science & Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India
| | - Manoj Kumar Narasimhan
- Department of Genetic Engineering, School of Bioengineering, College of Engineering & Technology, SRM Institute of Science & Technology, Kattankulathur, Chennai, Tamil Nadu, 603203, India
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2
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Mendez-Pfeiffer P, Ballesteros-Monrreal MG, Juarez J, Gastelum-Cabrera M, Martinez-Flores P, Taboada P, Valencia D. Chitosan-Coated Silver Nanoparticles Inhibit Adherence and Biofilm Formation of Uropathogenic Escherichia coli. ACS Infect Dis 2024; 10:1126-1136. [PMID: 38287229 PMCID: PMC11019552 DOI: 10.1021/acsinfecdis.3c00229] [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: 05/19/2023] [Revised: 01/14/2024] [Accepted: 01/17/2024] [Indexed: 01/31/2024]
Abstract
Urinary tract infections are commonly caused by uropathogenic Escherichia coli (UPEC), which usually presents multiple virulence and resistance mechanisms, making it difficult to treat. It has been demonstrated that silver and polymeric nanoparticles had potential against these pathogens. In this study, we synthesized thiol chitosan-coated silver nanoparticles (SH-Cs-AgNPs) and evaluated their antibacterial, antibiofilm and antiadherence activity against clinical isolates of UPEC. The SH-Cs-AgNPs showed a spherical shape with a size of 17.80 ± 2.67 nm and zeta potential of 18 ± 2 mV. We observed a potent antibacterial and antibiofilm activity as low as 12.5 μg/mL, as well as a reduction in the adherence of UPEC to mammalian cells at concentrations of 1.06 and 0.53 μg/mL. These findings demonstrate that SH-Cs-AgNPs have potential as a new therapeutic compound against infections caused by UPEC.
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Affiliation(s)
- Pablo Mendez-Pfeiffer
- Departamento
de Ciencias Químico-Biológicas y Agropecuarias, Universidad de Sonora, Campus Caborca, Caborca, Sonora CP 83600, Mexico
| | - Manuel G. Ballesteros-Monrreal
- Departamento
de Ciencias Químico-Biológicas y Agropecuarias, Universidad de Sonora, Campus Caborca, Caborca, Sonora CP 83600, Mexico
| | - Josue Juarez
- Departamento
de Física, Universidad de Sonora, Campus Hermosillo, Hermosillo, Sonora CP 83000, Mexico
| | - Marisol Gastelum-Cabrera
- Departamento
de Física, Universidad de Sonora, Campus Hermosillo, Hermosillo, Sonora CP 83000, Mexico
| | - Patricia Martinez-Flores
- Departamento
de Física, Universidad de Sonora, Campus Hermosillo, Hermosillo, Sonora CP 83000, Mexico
| | - Pablo Taboada
- Departamento
de Física de la Materia Condensada, Facultad de Física, Universidad de Santiago, de Compostela CP 15782, Espana
| | - Dora Valencia
- Departamento
de Ciencias Químico-Biológicas y Agropecuarias, Universidad de Sonora, Campus Caborca, Caborca, Sonora CP 83600, Mexico
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3
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Bonilla-Gameros L, Chevallier P, Delvaux X, Yáñez-Hernández LA, Houssiau L, Minne X, Houde VP, Sarkissian A, Mantovani D. Fluorocarbon Plasma-Polymerized Layer Increases the Release Time of Silver Ions and the Antibacterial Activity of Silver-Based Coatings. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:609. [PMID: 38607143 PMCID: PMC11013325 DOI: 10.3390/nano14070609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 03/21/2024] [Accepted: 03/28/2024] [Indexed: 04/13/2024]
Abstract
Silver-based antibacterial coatings limit the spread of hospital-acquired infections. Indeed, the use of silver and silver oxide nanoparticles (Ag and AgO NPs) incorporated in amorphous hydrogenated carbon (a-C:H) as a matrix demonstrates a promising approach to reduce microbial contamination on environmental surfaces. However, its success as an antibacterial coating hinges on the control of Ag+ release. In this sense, if a continuous release is required, an additional barrier is needed to extend the release time of Ag+. Thus, this research investigated the use of a plasma fluoropolymer (CFx) as an additional top layer to elongate Ag+ release and increase the antibacterial activity due to its high hydrophobic nature. Herein, a porous CFx film was deposited on a-C:H containing Ag and AgO NPs using pulsed afterglow low pressure plasma polymerization. The chemical composition, surface wettability and morphology, release profile, and antibacterial activity were analyzed. Overall, the combination of a-C:H:Ag (12.1 at. % of Ag) and CFx film (120.0°, F/C = 0.8) successfully inactivated 88% of E. coli and delayed biofilm formation after 12 h. Thus, using a hybrid approach composed of Ag NPs and a hydrophobic polymeric layer, it was possible to increase the overall antibacterial activity of the coating.
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Affiliation(s)
- Linda Bonilla-Gameros
- Laboratory for Biomaterials and Bioengineering, (CRC-Tier I), Department of Min-Met-Materials Eng and Regenerative Medicine, CHU de Quebec, Laval University, Quebec City, QC G1V 0A6, Canada (L.A.Y.-H.)
| | - Pascale Chevallier
- Laboratory for Biomaterials and Bioengineering, (CRC-Tier I), Department of Min-Met-Materials Eng and Regenerative Medicine, CHU de Quebec, Laval University, Quebec City, QC G1V 0A6, Canada (L.A.Y.-H.)
| | - Xavier Delvaux
- Laboratoire Interdisciplinaire de Spectroscopie Electronique, Namur Institute of Structured Matter, University of Namur, 61 Rue de Bruxelles, 5000 Namur, Belgium; (X.D.); (L.H.)
| | - L. Astrid Yáñez-Hernández
- Laboratory for Biomaterials and Bioengineering, (CRC-Tier I), Department of Min-Met-Materials Eng and Regenerative Medicine, CHU de Quebec, Laval University, Quebec City, QC G1V 0A6, Canada (L.A.Y.-H.)
| | - Laurent Houssiau
- Laboratoire Interdisciplinaire de Spectroscopie Electronique, Namur Institute of Structured Matter, University of Namur, 61 Rue de Bruxelles, 5000 Namur, Belgium; (X.D.); (L.H.)
| | - Xavier Minne
- Oral Ecology Research Group (GREB), Faculty of Dentistry, Université Laval, 2420 rue de la Terrasse, Quebec City, QC G1V 0A6, Canada
| | - Vanessa P. Houde
- Oral Ecology Research Group (GREB), Faculty of Dentistry, Université Laval, 2420 rue de la Terrasse, Quebec City, QC G1V 0A6, Canada
| | - Andranik Sarkissian
- Plasmionique Inc., 171-1650 Boul Lionel Boulet, Varennes, QC J3X1S2, Canada;
| | - Diego Mantovani
- Laboratory for Biomaterials and Bioengineering, (CRC-Tier I), Department of Min-Met-Materials Eng and Regenerative Medicine, CHU de Quebec, Laval University, Quebec City, QC G1V 0A6, Canada (L.A.Y.-H.)
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4
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Siller-Ceniceros A, Almonte-Flores DC, Sánchez-Castro ME, Martínez-Guerra E, Rodríguez-Varela J, García Gómez NA, Morones-Ramírez JR. Ag-NP-Decorated Carbon Nanostructures: Synthesis, Characterization, and Antimicrobial Properties. ACS OMEGA 2024; 9:11562-11573. [PMID: 38497015 PMCID: PMC10938587 DOI: 10.1021/acsomega.3c08634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 01/29/2024] [Accepted: 01/31/2024] [Indexed: 03/19/2024]
Abstract
As the global urgency for effective antimicrobial agents intensifies, this work harnesses the widely demonstrated antimicrobial activity of silver nanoparticles (Ag-NPs) and proposes alternative synthesis approaches to metal-organic hybrid systems with antimicrobial activity. In this study, the proposed synthesis route involves decorating metallic nanoparticles into organic substrates without previous doping. The synthesis simultaneously uses polyethylene glycol for three crucial purposes: (1) acting as a mild reducing agent to generate Ag-NPs with a spherical shape and diameters ranging from 10 to just over 20 nm, (2) functioning as a dispersing agent for flakes of commercial nanostructured carbon supports, including reduced graphene oxide (rGO, ID-nano), and commercial carbon nanoplatelets from Sigma-Aldrich (GNPs, Sigma-Aldrich), and (3) serving as a promoter for the homogeneous anchoring of Ag-NPs in the carbon lattice without altering the conformation of the carbon lattice. This intricate interaction involves the π-orbitals from the sp2 hybridization honeycomb and the d-orbitals from the Ag-NPs, leading to the constructive rehybridization of rGO and GNPs. In our study, Ag-NPs/rGO are compared with a support lacking oxygenated groups in the lattice, such as commercial GNPs (Sigma-Aldrich), to produce Ag-NPs/GNPs. This comparison maintains constructive sp2 rehybridization, preserving the characteristic properties of rGO (ID-nano) and graphene nanoplatelets, including commercial GNPs (Sigma-Aldrich). Notably, oxygenated groups from rGO exhibit greater availability for exchanging oxo and hydroxy defects for Ag-NPs compared with GNPs (Sigma-Aldrich). The resulting Ag-NPs/rGO and Ag-NPs/GNP systems are thoroughly physicochemically characterized, employing techniques such as Fourier transform infrared spectroscopy, Raman spectroscopy, X-ray diffraction, scanning electron microscopy and energy dispersive X-ray spectroscopy, high-resolution transmission electron microscopy, and scanning transmission electron microscopy, revealing the successful integration of Ag-NPs with minimal alteration to the carbon lattice. Subsequent antimicrobial evaluation against Escherichia coli (E. coli) demonstrates significant activity, with Ag-NPs/rGO and Ag-NPs/GNPs registering similar minimum inhibitory concentrations of 50 μg mL-1. This study underscores the potential of our metal-organic hybrid systems as antimicrobial agents and provides insights into the constructive rehybridization process, paving the way for diverse applications in the biomedical and environmental fields.
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Affiliation(s)
- Adriana
Angelina Siller-Ceniceros
- Facultad
de Ciencias Químicas (FCQ), Universidad
Autónoma de Nuevo León (UANL), Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, Nuevo
León C.P. 66455, Mexico
- Centro
de Investigación en Biotecnología y Nanotecnología
CIByN-FCQ-UANL, Parque Industrial Innovación
Tecnológica, Alianza
sur 101, Apodaca, Nuevo León C.P. 66628, Mexico
| | - Dulce Carolina Almonte-Flores
- Facultad
de Ciencias Químicas (FCQ), Universidad
Autónoma de Nuevo León (UANL), Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, Nuevo
León C.P. 66455, Mexico
- Centro
de Investigación en Biotecnología y Nanotecnología
CIByN-FCQ-UANL, Parque Industrial Innovación
Tecnológica, Alianza
sur 101, Apodaca, Nuevo León C.P. 66628, Mexico
| | - M. Esther Sánchez-Castro
- Nanociencias
y Nanotecnología, Cinvestav Unidad
Saltillo, Av. Industria
Metalúrgica 1062, Parque Industrial Ramos Arizpe, Ramos Arizpe, Coahuila C.P. 25900, Mexico
- Sustentabilidad
de los Recursos Naturales y Energía, Cinvestav Unidad Saltillo, Ramos
Arizpe 25900, Mexico
| | - Eduardo Martínez-Guerra
- Centro
de Investigación en Materiales Avanzados (CIMAV Unidad Monterrey), Alianza Norte 202, Parque Industrial
Innovación Tecnológica, Apodaca, Nuevo León C.P. 66600, Mexico
| | - Javier Rodríguez-Varela
- Nanociencias
y Nanotecnología, Cinvestav Unidad
Saltillo, Av. Industria
Metalúrgica 1062, Parque Industrial Ramos Arizpe, Ramos Arizpe, Coahuila C.P. 25900, Mexico
- Sustentabilidad
de los Recursos Naturales y Energía, Cinvestav Unidad Saltillo, Ramos
Arizpe 25900, Mexico
| | - Nora Aleyda García Gómez
- Facultad
de Ciencias Químicas (FCQ), Universidad
Autónoma de Nuevo León (UANL), Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, Nuevo
León C.P. 66455, Mexico
- Centro
de Investigación en Biotecnología y Nanotecnología
CIByN-FCQ-UANL, Parque Industrial Innovación
Tecnológica, Alianza
sur 101, Apodaca, Nuevo León C.P. 66628, Mexico
| | - José Rubén Morones-Ramírez
- Facultad
de Ciencias Químicas (FCQ), Universidad
Autónoma de Nuevo León (UANL), Ave. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, Nuevo
León C.P. 66455, Mexico
- Centro
de Investigación en Biotecnología y Nanotecnología
CIByN-FCQ-UANL, Parque Industrial Innovación
Tecnológica, Alianza
sur 101, Apodaca, Nuevo León C.P. 66628, Mexico
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5
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Robertson SN, Romero M, Fenn S, Kohler Riedi PL, Cámara M. Development, characterization, and evaluation of a simple polymicrobial colony biofilm model for testing of antimicrobial wound dressings. J Appl Microbiol 2024; 135:lxae042. [PMID: 38366933 DOI: 10.1093/jambio/lxae042] [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: 08/15/2023] [Revised: 01/12/2024] [Accepted: 02/15/2024] [Indexed: 02/19/2024]
Abstract
Chronic wound infections are generally of polymicrobial nature with aerobic and anaerobic bacteria, as well as fungi frequently observed in them. Wound treatment involves a series of steps, including debridement of the wound, flushing, and often the use of multiple wound dressings many of which are antimicrobial. Yet, many wound dressings are tested versus single species of planktonic microbes, which fails to mirror the real-life presence of biofilms. AIMS Simple biofilm models are the first step to testing of any antimicrobial and wound dressing; therefore, the aim of this study was to develop and validate a simple polymicrobial colony biofilm wound model comprised of Pseudomonas aeruginosa, Staphylococcus aureus, and Candida albicans on RPMI-1640 agar. The model was then used to evaluate the topical disinfectant chlorohexidine and four commercially available wound dressings using the polymicrobial model. The model used was as a starting point to mimic debridement in clinical care of wounds and the effectiveness of wound dressings evaluated afterwards. METHODS AND RESULTS Planktonic assessment using AATCC100-2004 demonstrated that all antimicrobial wound dressings reduced the planktonic microbial burden below the limit of detection; however, when challenged with polymicrobial colony biofilms, silver wound dressings showed limited effectiveness (1-2 log CFU reductions). In contrast, a single iodine releasing wound dressing showed potent antibiofilm activity reducing all species CFUs below the limit of detection (>6-10 log) depending on the species. A disrupted biofilm model challenge was performed to represent the debridement of a wound and wound silver-based wound dressings were found to be marginally more effective than in whole colony biofilm challenges while the iodine containing wound dressing reduced microbial recovery below the limit of detection. CONCLUSIONS In this model, silver dressings were ineffective versus the whole colony biofilms but showed some recovery of activity versus the disrupted colony biofilm. The iodine wound dressing reduced the viability of all species below the level of detection. This suggests that mode of action of wound dressing should be considered for the type of biofilm challenge as should the clinical use, e.g. debridement.
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Affiliation(s)
- Shaun N Robertson
- National Biofilms Innovation Centre, School of Life Sciences, Biodiscovery Institute, University of Nottingham, NG7 2RD Nottingham, United Kingdom
| | - Manuel Romero
- National Biofilms Innovation Centre, School of Life Sciences, Biodiscovery Institute, University of Nottingham, NG7 2RD Nottingham, United Kingdom
- Department of Microbiology and Parasitology, Faculty of Biology-CIBUS, Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain
- Aquatic One Health Research Center (ARCUS), Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain
| | - Samuel Fenn
- National Biofilms Innovation Centre, School of Life Sciences, Biodiscovery Institute, University of Nottingham, NG7 2RD Nottingham, United Kingdom
- Schools of Microbiology and Medicine, University College Cork, and APC Microbiome Ireland, Cork T12 TP07, Ireland
| | | | - Miguel Cámara
- National Biofilms Innovation Centre, School of Life Sciences, Biodiscovery Institute, University of Nottingham, NG7 2RD Nottingham, United Kingdom
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6
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Lee KY, Atwill ER, Li X, Feldmann HR, Williams DR, Weimer BC, Aly SS. Impact of zinc supplementation on phenotypic antimicrobial resistance of fecal commensal bacteria from pre-weaned dairy calves. Sci Rep 2024; 14:4448. [PMID: 38396015 PMCID: PMC10891156 DOI: 10.1038/s41598-024-54738-x] [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: 09/23/2023] [Accepted: 02/15/2024] [Indexed: 02/25/2024] Open
Abstract
The objective of this study was to evaluate the impact of dietary zinc supplementation in pre-weaned dairy calves on the phenotypic antimicrobial resistance (AMR) of fecal commensal bacteria. A repository of fecal specimens from a random sample of calves block-randomized into placebo (n = 39) and zinc sulfate (n = 28) groups collected over a zinc supplementation clinical trial at the onset of calf diarrhea, calf diarrheal cure, and the last day of 14 cumulative days of zinc or placebo treatment were analyzed. Antimicrobial susceptibility testing was conducted for Enterococcus spp. (n = 167) and E. coli (n = 44), with one representative isolate of each commensal bacteria tested per sample. Parametric survival interval regression models were constructed to evaluate the association between zinc treatment and phenotypic AMR, with exponentiated accelerated failure time (AFT) coefficients adapted for MIC instead of time representing the degree of change in AMR (MIC Ratio, MR). Findings from our study indicated that zinc supplementation did not significantly alter the MIC in Enterococcus spp. for 13 drugs: gentamicin, vancomycin, ciprofloxacin, erythromycin, penicillin, nitrofurantoin, linezolid, quinupristin/dalfopristin, tylosin tartrate, streptomycin, daptomycin, chloramphenicol, and tigecycline (MR = 0.96-2.94, p > 0.05). In E. coli, zinc supplementation was not associated with resistance to azithromycin (MR = 0.80, p > 0.05) and ceftriaxone (MR = 0.95, p > 0.05). However, a significant reduction in E. coli MIC values was observed for ciprofloxacin (MR = 0.17, 95% CI 0.03-0.97) and nalidixic acid (MR = 0.28, 95% CI 0.15-0.53) for zinc-treated compared to placebo-treated calves. Alongside predictions of MIC values generated from these 17 AFT models, findings from this study corroborate the influence of age and antimicrobial exposure on phenotypic AMR.
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Affiliation(s)
- Katie Y Lee
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, USA
| | - Edward R Atwill
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, USA
| | - Xunde Li
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, USA
| | - Hillary R Feldmann
- Veterinary Medicine Teaching and Research Center, University of California Davis, Tulare, CA, USA
| | - Deniece R Williams
- Veterinary Medicine Teaching and Research Center, University of California Davis, Tulare, CA, USA
| | - Bart C Weimer
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, USA
| | - Sharif S Aly
- Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA, USA.
- Veterinary Medicine Teaching and Research Center, University of California Davis, Tulare, CA, USA.
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7
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Anyaegbunam NJ, Mba IE, Ige AO, Ogunrinola TE, Emenike OK, Uwazie CK, Ujah PN, Oni AJ, Anyaegbunam ZKG, Olawade DB. Revisiting the smart metallic nanomaterials: advances in nanotechnology-based antimicrobials. World J Microbiol Biotechnol 2024; 40:102. [PMID: 38366174 DOI: 10.1007/s11274-024-03925-z] [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: 01/03/2024] [Accepted: 02/08/2024] [Indexed: 02/18/2024]
Abstract
Despite significant advancements in diagnostics and treatments over the years, the problem of antimicrobial drug resistance remains a pressing issue in public health. The reduced effectiveness of existing antimicrobial drugs has prompted efforts to seek alternative treatments for microbial pathogens or develop new drug candidates. Interestingly, nanomaterials are currently gaining global attention as a possible next-generation antibiotics. Nanotechnology holds significant importance, particularly when addressing infections caused by multi-drug-resistant organisms. Alternatively, these biomaterials can also be combined with antibiotics and other potent biomaterials, providing excellent synergistic effects. Over the past two decades, nanoparticles have gained significant attention among research communities. Despite the complexity of some of their synthesis strategies and chemistry, unrelenting efforts have been recorded in synthesizing potent and highly effective nanomaterials using different approaches. With the ongoing advancements in nanotechnology, integrating it into medical procedures presents novel approaches for improving the standard of patient healthcare. Although the field of nanotechnology offers promises, much remains to be learned to overcome the several inherent issues limiting their full translation to clinics. Here, we comprehensively discussed nanotechnology-based materials, focusing exclusively on metallic nanomaterials and highlighting the advances in their synthesis, chemistry, and mechanisms of action against bacterial pathogens. Importantly, we delve into the current challenges and prospects associated with the technology.
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Affiliation(s)
- Ngozi J Anyaegbunam
- Measurement and Evaluation unit, Science Education Department, University of Nigeria, Nsukka, Nigeria
| | - Ifeanyi Elibe Mba
- Department of Microbiology, Faculty of Biological Sciences, University of Nigeria Nsukka, Nsukka, Nigeria.
| | - Abimbola Olufunke Ige
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, University of Ibadan, Ibadan, Nigeria
| | | | | | | | - Patrick Ndum Ujah
- 7Department of Education Foundations, University of Nigeria Nsukka, Nsukka, Nigeria
| | - Ayodele John Oni
- Department of Industrial chemistry, Federal University of Technology, Akure, Nigeria
| | | | - David B Olawade
- Department of Allied and Public Health, School of Health, Sport and Bioscience, University of East London, London, UK
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8
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Kim DY, Patel SKS, Rasool K, Lone N, Bhatia SK, Seth CS, Ghodake GS. Bioinspired silver nanoparticle-based nanocomposites for effective control of plant pathogens: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168318. [PMID: 37956842 DOI: 10.1016/j.scitotenv.2023.168318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 09/15/2023] [Accepted: 11/02/2023] [Indexed: 11/15/2023]
Abstract
Plant pathogens, including bacteria, fungi, and viruses, pose significant challenges to the farming community due to their extensive diversity, the rapidly evolving phenomenon of multi-drug resistance (MDR), and the limited availability of effective control measures. Amid mounting global pressure, particularly from the World Health Organization, to limit the use of antibiotics in agriculture and livestock management, there is increasing consideration of engineered nanomaterials (ENMs) as promising alternatives for antimicrobial applications. Studies focusing on the application of ENMs in the fight against MDR pathogens are receiving increasing attention, driven by significant losses in agriculture and critical knowledge gaps in this crucial field. In this review, we explore the potential contributions of silver nanoparticles (AgNPs) and their nanocomposites in combating plant diseases, within the emerging interdisciplinary arena of nano-phytopathology. AgNPs and their nanocomposites are increasingly acknowledged as promising countermeasures against plant pathogens, owing to their unique physicochemical characteristics and inherent antimicrobial properties. This review explores recent advancements in engineered nanocomposites, highlights their diverse mechanisms for pathogen control, and draws attention to their potential in antibacterial, antifungal, and antiviral applications. In the discussion, we briefly address three crucial dimensions of combating plant pathogens: green synthesis approaches, toxicity-environmental concerns, and factors influencing antimicrobial efficacy. Finally, we outline recent advancements, existing challenges, and prospects in scholarly research to facilitate the integration of nanotechnology across interdisciplinary fields for more effective treatment and prevention of plant diseases.
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Affiliation(s)
- Dae-Young Kim
- Department of Biological and Environmental Science, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Republic of Korea
| | | | - Kashif Rasool
- Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University, Qatar Foundation, Doha, Qatar
| | - Nasreena Lone
- School of Allied Healthcare and Sciences, JAIN Deemed University, Whitefield, Bangalore 560066, India
| | - Shashi Kant Bhatia
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Republic of Korea
| | | | - Gajanan Sampatrao Ghodake
- Department of Biological and Environmental Science, Dongguk University-Seoul, 32 Dongguk-ro, Ilsandong-gu, Goyang-si 10326, Gyeonggi-do, Republic of Korea.
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9
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Holubnycha V, Husak Y, Korniienko V, Bolshanina S, Tveresovska O, Myronov P, Holubnycha M, Butsyk A, Borén T, Banasiuk R, Ramanavicius A, Pogorielov M. Antimicrobial Activity of Two Different Types of Silver Nanoparticles against Wide Range of Pathogenic Bacteria. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:137. [PMID: 38251102 PMCID: PMC10818322 DOI: 10.3390/nano14020137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/22/2023] [Accepted: 01/04/2024] [Indexed: 01/23/2024]
Abstract
The emergence of antibiotic-resistant bacteria, particularly the most hazardous pathogens, namely Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter spp. (ESKAPE)-pathogens pose a significant threat to global health. Current antimicrobial therapies, including those targeting biofilms, have shown limited effectiveness against these superbugs. Nanoparticles, specifically silver nanoparticles (AgNPs), have emerged as a promising alternative for combating bacterial infections. In this study, two types of AgNPs with different physic-chemical properties were evaluated for their antimicrobial and antibiofilm activities against clinical ESKAPE strains. Two types of silver nanoparticles were assessed: spherical silver nanoparticles (AgNPs-1) and cubic-shaped silver nanoparticles (AgNPs-2). AgNPs-2, characterized by a cubic shape and higher surface-area-to-volume ratio, exhibited superior antimicrobial activity compared to spherical AgNPs-1. Both types of AgNPs demonstrated the ability to inhibit biofilm formation and disrupt established biofilms, leading to membrane damage and reduced viability of the bacteria. These findings highlight the potential of AgNPs as effective antibacterial agents against ESKAPE pathogens, emphasizing the importance of nanoparticle characteristics in determining their antimicrobial properties. Further research is warranted to explore the underlying mechanisms and optimize nanoparticle-based therapies for the management of infections caused by antibiotic-resistant bacteria.
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Affiliation(s)
- Viktoriia Holubnycha
- Medical Institute, Sumy State University, 2, Rymskogo-Korsakova St., 40007 Sumy, Ukraine; (Y.H.); (V.K.); (S.B.); (O.T.); (P.M.); (M.H.); (M.P.)
| | - Yevheniia Husak
- Medical Institute, Sumy State University, 2, Rymskogo-Korsakova St., 40007 Sumy, Ukraine; (Y.H.); (V.K.); (S.B.); (O.T.); (P.M.); (M.H.); (M.P.)
- Faculty of Chemistry, Silesian University of Technology, 44-100 Gliwice, Poland
| | - Viktoriia Korniienko
- Medical Institute, Sumy State University, 2, Rymskogo-Korsakova St., 40007 Sumy, Ukraine; (Y.H.); (V.K.); (S.B.); (O.T.); (P.M.); (M.H.); (M.P.)
- Institute of Atomic Physics and Spectroscopy, University of Latvia, 3 Jelgavas St., LV-1004 Riga, Latvia
| | - Svetlana Bolshanina
- Medical Institute, Sumy State University, 2, Rymskogo-Korsakova St., 40007 Sumy, Ukraine; (Y.H.); (V.K.); (S.B.); (O.T.); (P.M.); (M.H.); (M.P.)
| | - Olesia Tveresovska
- Medical Institute, Sumy State University, 2, Rymskogo-Korsakova St., 40007 Sumy, Ukraine; (Y.H.); (V.K.); (S.B.); (O.T.); (P.M.); (M.H.); (M.P.)
| | - Petro Myronov
- Medical Institute, Sumy State University, 2, Rymskogo-Korsakova St., 40007 Sumy, Ukraine; (Y.H.); (V.K.); (S.B.); (O.T.); (P.M.); (M.H.); (M.P.)
| | - Marharyta Holubnycha
- Medical Institute, Sumy State University, 2, Rymskogo-Korsakova St., 40007 Sumy, Ukraine; (Y.H.); (V.K.); (S.B.); (O.T.); (P.M.); (M.H.); (M.P.)
| | - Anna Butsyk
- Department Medical Biochemistry and Biophysics, Umeå University, SE-901 87 Umeå, Sweden; (A.B.); (T.B.)
| | - Thomas Borén
- Department Medical Biochemistry and Biophysics, Umeå University, SE-901 87 Umeå, Sweden; (A.B.); (T.B.)
| | - Rafal Banasiuk
- NanoWave, 02-676 Warsaw, Poland;
- Mechanical Faculty, Gdańsk University of Technology, G. Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Arunas Ramanavicius
- Department of Physical Chemistry, Institute of Chemistry, Faculty of Chemistry and Geosciences, Vilnius University, Naugarduko Str. 24, LT-03225 Vilnius, Lithuania
| | - Maksym Pogorielov
- Medical Institute, Sumy State University, 2, Rymskogo-Korsakova St., 40007 Sumy, Ukraine; (Y.H.); (V.K.); (S.B.); (O.T.); (P.M.); (M.H.); (M.P.)
- Institute of Atomic Physics and Spectroscopy, University of Latvia, 3 Jelgavas St., LV-1004 Riga, Latvia
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10
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Ptasiewicz M, Chałas R, Idaszek J, Maksymiuk P, Kister M, Kister KA, Kurzydłowski KJ, Magryś A. In Vitro Effects of Silver Nanoparticles on Pathogenic Bacteria and on Metabolic Activity and Viability of Human Mesenchymal Stem Cells. Arch Immunol Ther Exp (Warsz) 2024; 72:aite-2024-0007. [PMID: 38421273 DOI: 10.2478/aite-2024-0007] [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: 10/10/2023] [Accepted: 01/30/2024] [Indexed: 03/02/2024]
Abstract
The rapid development of nanotechnology has led to the use of silver nanoparticles (Ag-NPs) in various biomedical fields. However, the effect of Ag-NPs on human mesenchymal stem cells (hMSCs) is not fully understood. Moreover, too frequent an exposure to products containing nanosilver in sublethal amounts raises widespread concerns that it will lead to the development of silver-resistant microorganisms. Therefore, this study aimed to evaluate the mechanism of action of Ag-NPs on hMSCs by analyzing the cellular uptake of Ag-NPs by the cells and its effect on their viability and to assess antimicrobial activity of Ag-NPs against emerging bacterial strains, including multidrug-resistant pathogens. For metabolic activity and viability evaluation, hMSCs were incubated with different concentrations of Ag-NPs (14 μg/mL, 7 μg/mL, and 3.5 μg/mL) for 10 min., 1 h and 24 h and subsequently analyzed for their viability by live-dead staining and metabolic activity by the MTS assay. The effect of Ag-NPs on bacterial pathogens was studied by determining their minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). In conclusion, it was observed that exposure of hMSCs to Ag-NPs of size <10 nm has no cytotoxic effect on the metabolic activity of the cells at the concentration of 3.5 μg/mL, with minimal cytotoxic effect being observed at the concentration of 14 μg/mL after 24 h of incubation. Our findings also confirmed that Ag-NPs at the concentration of 4 μg/mL are effective broad-spectrum bactericidal agents, regardless of the antibiotic-resistance mechanism present in bacteria.
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Affiliation(s)
- Maja Ptasiewicz
- Department of Oral Medicine, Medical University of Lublin, Lublin, Poland
| | - Renata Chałas
- Department of Oral Medicine, Medical University of Lublin, Lublin, Poland
| | - Joanna Idaszek
- Faculty of Materials Science and Engineering, Warsaw University of Technology, Warsaw, Poland
| | - Paweł Maksymiuk
- Department of Oral Medicine, Medical University of Lublin, Lublin, Poland
| | - Mateusz Kister
- Chair and Clinic of Maxillofacial Surgery, Medical University of Lublin, Lublin, Poland
| | | | | | - Agnieszka Magryś
- Chair and Department of Medical Microbiology, Medical University of Lublin, Lublin, Poland
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11
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Khursheed S, Dutta J, Ahmad I, Rather MA, Badroo IA, Bhat TA, Ahmad I, Amin A, Shah A, Qadri T, Habib H. Biogenic silver nanoparticles: Synthesis, applications and challenges in food sector with special emphasis on aquaculture. Food Chem X 2023; 20:101051. [PMID: 38144846 PMCID: PMC10740048 DOI: 10.1016/j.fochx.2023.101051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/13/2023] [Accepted: 12/04/2023] [Indexed: 12/26/2023] Open
Abstract
Aquaculture, a rapidly expanding global food sector faces challenges like pathogenic infections, water quality management and sustainability. Silver nanoparticles (AgNPs) have emerged as promising tools in aquaculture due to their antimicrobial, antiviral and antifungal properties. AgNPs offer alternatives to traditional antimicrobial agents. Their small size and unique physicochemical properties enhance antimicrobial activity, effectively inhibiting pathogen growth and reducing disease incidence in aquatic organisms. Additionally, AgNPs can improve water quality by catalyzing the removal of pollutants, heavy metals and nutrients, reducing environmental impacts. Despite their potential benefits, several challenges and knowledge gaps exist in the utilization of AgNPs in aquaculture. Addressing challenges related to regulation, sustainability and environmental impact will be crucial for realizing their full potential in the industry. Therefore, the present review aims to provide insight into the role of AgNPs, its challenges in aquaculture and also highlights key areas for future research.
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Affiliation(s)
- Saba Khursheed
- Department of Zoology, School of Bioengineering & Biosciences, Lovely Professional University, Phagwara, Punjab 144411, India
- Division of Fish Genetics and Biotechnology, Faculty of Fisheries Ganderbal, Sher-e- Kashmir University of Agricultural Science and Technology, Kashmir 190006, India
| | - Joydeep Dutta
- Department of Zoology, School of Bioengineering & Biosciences, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Ishtiyaq Ahmad
- Division of Fish Genetics and Biotechnology, Faculty of Fisheries Ganderbal, Sher-e- Kashmir University of Agricultural Science and Technology, Kashmir 190006, India
| | - Mohd Ashraf Rather
- Division of Fish Genetics and Biotechnology, Faculty of Fisheries Ganderbal, Sher-e- Kashmir University of Agricultural Science and Technology, Kashmir 190006, India
| | - Irfan Ashraf Badroo
- Government Degree College Women Sopore, Kashmir, Jammu and Kashmir 193201, India
| | - Tashooq Ahmad Bhat
- Division of Food Science and Technology, Sher-e-Kashmir University of Agricultural Sciences and Technology-Kashmir, Jammu and Kashmir 190025, India
| | - Irfan Ahmad
- Division of Fish Genetics and Biotechnology, Faculty of Fisheries Ganderbal, Sher-e- Kashmir University of Agricultural Science and Technology, Kashmir 190006, India
| | - Adnan Amin
- Division of Aquatic Environmental Management, Faculty of Fisheries, Rangil, Ganderbal, SKUAST-Kashmir, 190006, India
| | - Azra Shah
- Division of Fish Genetics and Biotechnology, Faculty of Fisheries Ganderbal, Sher-e- Kashmir University of Agricultural Science and Technology, Kashmir 190006, India
| | - Tahiya Qadri
- Division of Food Science and Technology, Sher-e-Kashmir University of Agricultural Sciences and Technology-Kashmir, Jammu and Kashmir 190025, India
| | - Huraiya Habib
- Department of Food Technology and Nutrition, Lovely Professional University, Phagwara, Punjab, India
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12
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Mendes SG, Combo SI, Allain T, Domingues S, Buret AG, Da Silva GJ. Co-regulation of biofilm formation and antimicrobial resistance in Acinetobacter baumannii: from mechanisms to therapeutic strategies. Eur J Clin Microbiol Infect Dis 2023; 42:1405-1423. [PMID: 37897520 PMCID: PMC10651561 DOI: 10.1007/s10096-023-04677-8] [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: 08/23/2023] [Accepted: 10/02/2023] [Indexed: 10/30/2023]
Abstract
In recent years, multidrug-resistant Acinetobacter baumannii has emerged globally as a major threat to the healthcare system. It is now listed by the World Health Organization as a priority one for the need of new therapeutic agents. A. baumannii has the capacity to develop robust biofilms on biotic and abiotic surfaces. Biofilm development allows these bacteria to resist various environmental stressors, including antibiotics and lack of nutrients or water, which in turn allows the persistence of A. baumannii in the hospital environment and further outbreaks. Investigation into therapeutic alternatives that will act on both biofilm formation and antimicrobial resistance (AMR) is sorely needed. The aim of the present review is to critically discuss the various mechanisms by which AMR and biofilm formation may be co-regulated in A. baumannii in an attempt to shed light on paths towards novel therapeutic opportunities. After discussing the clinical importance of A. baumannii, this critical review highlights biofilm-formation genes that may be associated with the co-regulation of AMR. Particularly worthy of consideration are genes regulating the quorum sensing system AbaI/AbaR, AbOmpA (OmpA protein), Bap (biofilm-associated protein), the two-component regulatory system BfmRS, the PER-1 β-lactamase, EpsA, and PTK. Finally, this review discusses ongoing experimental therapeutic strategies to fight A. baumannii infections, namely vaccine development, quorum sensing interference, nanoparticles, metal ions, natural products, antimicrobial peptides, and phage therapy. A better understanding of the mechanisms that co-regulate biofilm formation and AMR will help identify new therapeutic targets, as combined approaches may confer synergistic benefits for effective and safer treatments.
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Affiliation(s)
- Sérgio G Mendes
- Departments of Biological Sciences, Inflammation Research Network, University of Calgary, 2500 University Dr. N.W, Calgary, T2N 1N4, Canada
- Faculty of Pharmacy, University of Coimbra, 3000-548, Coimbra, Portugal
- Centre for Neuroscience and Cell Biology, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Sofia I Combo
- Departments of Biological Sciences, Inflammation Research Network, University of Calgary, 2500 University Dr. N.W, Calgary, T2N 1N4, Canada
- Faculty of Pharmacy, University of Coimbra, 3000-548, Coimbra, Portugal
- Centre for Neuroscience and Cell Biology, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Thibault Allain
- Departments of Biological Sciences, Inflammation Research Network, University of Calgary, 2500 University Dr. N.W, Calgary, T2N 1N4, Canada
| | - Sara Domingues
- Faculty of Pharmacy, University of Coimbra, 3000-548, Coimbra, Portugal
- Centre for Neuroscience and Cell Biology, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Andre G Buret
- Departments of Biological Sciences, Inflammation Research Network, University of Calgary, 2500 University Dr. N.W, Calgary, T2N 1N4, Canada
| | - Gabriela J Da Silva
- Departments of Biological Sciences, Inflammation Research Network, University of Calgary, 2500 University Dr. N.W, Calgary, T2N 1N4, Canada.
- Faculty of Pharmacy, University of Coimbra, 3000-548, Coimbra, Portugal.
- Centre for Neuroscience and Cell Biology, University of Coimbra, 3000-548, Coimbra, Portugal.
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13
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van Charante F, Martínez-Pérez D, Guarch-Pérez C, Courtens C, Sass A, Choińska E, Idaszek J, Van Calenbergh S, Riool M, Zaat SA, Święszkowski W, Coenye T. 3D-printed wound dressings containing a fosmidomycin-derivative prevent Acinetobacter baumannii biofilm formation. iScience 2023; 26:107557. [PMID: 37680458 PMCID: PMC10480667 DOI: 10.1016/j.isci.2023.107557] [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: 12/19/2022] [Revised: 05/24/2023] [Accepted: 08/02/2023] [Indexed: 09/09/2023] Open
Abstract
Acinetobacter baumannii causes a wide range of infections, including wound infections. Multidrug-resistant A. baumannii is a major healthcare concern and the development of novel treatments against these infections is needed. Fosmidomycin is a repurposed antimalarial drug targeting the non-mevalonate pathway, and several derivatives show activity toward A. baumannii. We evaluated the antimicrobial activity of CC366, a fosmidomycin prodrug, against a collection of A. baumannii strains, using various in vitro and in vivo models; emphasis was placed on the evaluation of its anti-biofilm activity. We also developed a 3D-printed wound dressing containing CC366, using melt electrowriting technology. Minimal inhibitory concentrations of CC366 ranged from 1 to 64 μg/mL, and CC366 showed good biofilm inhibitory and moderate biofilm eradicating activity in vitro. CC366 successfully eluted from a 3D-printed dressing, the dressings prevented the formation of A. baumannnii wound biofilms in vitro and reduced A. baumannii infection in an in vivo mouse model.
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Affiliation(s)
- Frits van Charante
- Laboratory of Pharmaceutical Microbiology, Ghent University, 9000 Ghent, Belgium
| | - David Martínez-Pérez
- Biomaterials, Faculty of Materials Science and Engineering, Warsaw University of Technology, 02-507 Warsaw, Poland
| | - Clara Guarch-Pérez
- Department of Medical Microbiology and Infection Prevention, Amsterdam institute for Infection and Immunity, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, the Netherlands
| | - Charlotte Courtens
- Laboratory of Medicinal Chemistry, Ghent University, 9000 Ghent, Belgium
| | - Andrea Sass
- Laboratory of Pharmaceutical Microbiology, Ghent University, 9000 Ghent, Belgium
| | - Emilia Choińska
- Biomaterials, Faculty of Materials Science and Engineering, Warsaw University of Technology, 02-507 Warsaw, Poland
| | - Joanna Idaszek
- Biomaterials, Faculty of Materials Science and Engineering, Warsaw University of Technology, 02-507 Warsaw, Poland
| | | | - Martijn Riool
- Department of Medical Microbiology and Infection Prevention, Amsterdam institute for Infection and Immunity, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, the Netherlands
| | - Sebastian A.J. Zaat
- Department of Medical Microbiology and Infection Prevention, Amsterdam institute for Infection and Immunity, Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, the Netherlands
| | - Wojciech Święszkowski
- Biomaterials, Faculty of Materials Science and Engineering, Warsaw University of Technology, 02-507 Warsaw, Poland
| | - Tom Coenye
- Laboratory of Pharmaceutical Microbiology, Ghent University, 9000 Ghent, Belgium
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14
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El-Tantawy AI, Elmongy EI, Elsaeed SM, Abdel Aleem AAH, Binsuwaidan R, Eisa WH, Salman AU, Elharony NE, Attia NF. Synthesis, Characterization, and Docking Study of Novel Thioureidophosphonate-Incorporated Silver Nanocomposites as Potent Antibacterial Agents. Pharmaceutics 2023; 15:1666. [PMID: 37376114 DOI: 10.3390/pharmaceutics15061666] [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: 05/10/2023] [Revised: 05/27/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
Newly synthesized mono- and bis-thioureidophosphonate (MTP and BTP) analogues in eco-friendly conditions were employed as reducing/capping cores for 100, 500, and 1000 mg L-1 of silver nitrate. The physicochemical properties of silver nanocomposites (MTP(BTP)/Ag NCs) were fully elucidated using spectroscopic and microscopic tools. The antibacterial activity of the nanocomposites was screened against six multidrug-resistant pathogenic strains, comparable to ampicillin and ciprofloxacin commercial drugs. The antibacterial performance of BTP was more substantial than MTP, notably with the best minimum inhibitory concentration (MIC) of 0.0781 mg/mL towards Bacillus subtilis, Salmonella typhi, and Pseudomonas aeruginosa. Among all, BTP provided the clearest zone of inhibition (ZOI) of 35 ± 1.00 mm against Salmonella typhi. After the dispersion of silver nanoparticles (AgNPs), MTP/Ag NCs offered dose-dependently distinct advantages over the same nanoparticle with BTP; a more noteworthy decline by 4098 × MIC to 0.1525 × 10-3 mg/mL was recorded for MTP/Ag-1000 against Pseudomonas aeruginosa over BTP/Ag-1000. Towards methicillin-resistant Staphylococcus aureus (MRSA), the as-prepared MTP(BTP)/Ag-1000 displayed superior bactericidal ability in 8 h. Because of the anionic surface of MTP(BTP)/Ag-1000, they could effectively resist MRSA (ATCC-43300) attachment, achieving higher antifouling rates of 42.2 and 34.4% at most optimum dose (5 mg/mL), respectively. The tunable surface work function between MTP and AgNPs promoted the antibiofilm activity of MTP/Ag-1000 by 1.7 fold over BTP/Ag-1000. Lastly, the molecular docking studies affirmed the eminent binding affinity of BTP over MTP-besides the improved binding energy of MTP/Ag NC by 37.8%-towards B. subtilis-2FQT protein. Overall, this study indicates the immense potential of TP/Ag NCs as promising nanoscale antibacterial candidates.
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Affiliation(s)
- Ahmed I El-Tantawy
- Department of Chemistry, Faculty of Science, Menoufia University, Shibin El Kom 32511, Egypt
| | - Elshaymaa I Elmongy
- Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Shimaa M Elsaeed
- Department of Analysis and Evaluation, Egyptian Petroleum Research Institute, Cairo 11727, Egypt
| | | | - Reem Binsuwaidan
- Department of Pharmaceutical Sciences, College of Pharmacy, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Wael H Eisa
- Spectroscopy Department, Physics Division, National Research Centre (NRC), Cairo 12622, Egypt
| | - Ayah Usama Salman
- Department of Botany and Microbiology, Faculty of Science, Menoufia University, Shibin El Kom 32511, Egypt
| | - Noura Elsayed Elharony
- Department of Chemistry, Faculty of Science, Menoufia University, Shibin El Kom 32511, Egypt
| | - Nour F Attia
- Gas Analysis and Fire Safety Laboratory, Chemistry Division, National Institute for Standards, 136, Giza 12211, Egypt
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15
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Yefimova S, Klochkov V, Kavok N, Tkachenko A, Onishchenko A, Chumachenko T, Dizge N, Özdemir S, Gonca S, Ocakoglu K. Antimicrobial activity and cytotoxicity study of cerium oxide nanoparticles with two different sizes. J Biomed Mater Res B Appl Biomater 2023; 111:872-880. [PMID: 36420776 DOI: 10.1002/jbm.b.35197] [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: 06/22/2022] [Revised: 10/28/2022] [Accepted: 11/06/2022] [Indexed: 11/25/2022]
Abstract
The control over bacterial diseases requires the development of novel antibacterial agents. The use of antibacterial nanomedicines is one of the strategies to tackle antibiotic resistance. The study was designed to assess the antimicrobial activity of cerium oxide (CeO2 ) nanoparticles (NP) of two different sizes (CeO2 NP1 [1-2 nm] and CeO2 NP2 [10-12 nm]) and their cytotoxicity towards eukaryotic cells. The antimicrobial activity, effects of nanoparticles on DNA cleavage, microbial cell viability, and biofilm formation inhibition were analyzed. The impact of cerium oxide nanoparticles on eryptosis of erythrocytes was estimated using annexin V staining by flow cytometry. The newly synthesized CeO2 NP1 and CeO2 NP2 displayed moderate antimicrobial activities. CeO2 NP1 and CeO2 NP2 exhibited single-strand DNA cleavage ability. CeO2 NPs were found to show 100% microbial cell viability inhibition at a concentration of 500 mg/L. In addition, CeO2 NP1 and CeO2 NP2 inhibited the biofilm formation of S. aureus and P. aeruginosa. Larger cerium oxide nanoparticles were found to be less toxic against erythrocytes compared with the smaller ones. CeO2 nanoparticles demonstrate moderate antimicrobial activity and low cytotoxicity towards erythrocytes, which make them promising antibacterial agents.
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Affiliation(s)
- Svetlana Yefimova
- Department of Nanostructured Materials, Institute for Scintillation Materials, National Academy of Sciences of Ukraine, Kharkiv, Ukraine
| | - Vladimir Klochkov
- Department of Nanostructured Materials, Institute for Scintillation Materials, National Academy of Sciences of Ukraine, Kharkiv, Ukraine
| | - Nataliya Kavok
- Department of Nanostructured Materials, Institute for Scintillation Materials, National Academy of Sciences of Ukraine, Kharkiv, Ukraine
| | - Anton Tkachenko
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, Kharkiv, Ukraine
| | - Anatolii Onishchenko
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, Kharkiv, Ukraine
| | - Tatyana Chumachenko
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, Kharkiv, Ukraine.,Department of Epidemiology, Kharkiv National Medical University, Kharkiv, Ukraine
| | - Nadir Dizge
- Department of Environmental Engineering, Mersin University, Mersin, Turkey
| | - Sadin Özdemir
- Food Processing Programme, Technical Science Vocational School, Mersin University, Mersin, Turkey
| | - Serpil Gonca
- Faculty of Pharmacy, Department of Pharmaceutical Microbiology, Mersin University, Mersin, Turkey
| | - Kasim Ocakoglu
- Faculty of Engineering, Department of Engineering Fundamental Sciences, Tarsus University, Tarsus, Turkey
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16
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Khine NO, Wongsurawat T, Jenjaroenpun P, Hampson DJ, Prapasarakul N. Comparative genomic analysis of Colistin resistant Escherichia coli isolated from pigs, a human and wastewater on colistin withdrawn pig farm. Sci Rep 2023; 13:5124. [PMID: 36991093 PMCID: PMC10060365 DOI: 10.1038/s41598-023-32406-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
In this study, genomic and plasmid characteristics of Escherichia coli were determined with the aim of deducing how mcr genes may have spread on a colistin withdrawn pig farm. Whole genome hybrid sequencing was applied to six mcr-positive E. coli (MCRPE) strains isolated from pigs, a farmworker and wastewater collected between 2017 and 2019. Among these, mcr-1.1 genes were identified on IncI2 plasmids from a pig and wastewater, and on IncX4 from the human isolate, whereas mcr-3 genes were found on plasmids IncFII and IncHI2 in two porcine strains. The MCRPE isolates exhibited genotypic and phenotypic multidrug resistance (MDR) traits as well as heavy metal and antiseptic resistance genes. The mcr-1.1-IncI2 and IncX4 plasmids carried only colistin resistance genes. Whereas, the mcr-3.5-IncHI2 plasmid presented MDR region, with several mobile genetic elements. Despite the MCRPE strains belonged to different E. coli lineages, mcr-carrying plasmids with high similarities were found in isolates from pigs and wastewater recovered in different years. This study highlighted that several factors, including the resistomic profile of the host bacteria, co-selection via adjunct antibiotic resistance genes, antiseptics, and/or disinfectants, and plasmid-host fitness adaptation may encourage the maintenance of plasmids carrying mcr genes in E. coli.
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Affiliation(s)
- Nwai Oo Khine
- Center of Excellence in Diagnosis and Monitoring of Animal Pathogens (DMAP), Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Thidathip Wongsurawat
- Division of Bioinformatics and Data Management for Research, Research Group and Research Network Division, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Piroon Jenjaroenpun
- Division of Bioinformatics and Data Management for Research, Research Group and Research Network Division, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - David J Hampson
- School of Veterinary Medicine, Murdoch University, Perth, WA, Australia
| | - Nuvee Prapasarakul
- Center of Excellence in Diagnosis and Monitoring of Animal Pathogens (DMAP), Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.
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17
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Antibacterial Enhancement of High-Efficiency Particulate Air Filters Modified with Graphene-Silver Hybrid Material. Microorganisms 2023; 11:microorganisms11030745. [PMID: 36985318 PMCID: PMC10059912 DOI: 10.3390/microorganisms11030745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/11/2023] [Accepted: 03/11/2023] [Indexed: 03/15/2023] Open
Abstract
Bacterial infections are a major concern as antibiotic resistance poses a great threat, therefore leading to a race against time into finding new drugs or improving the existing resources. Nanomaterials with high surface area and bactericidal properties are the most promising ones that help combating microbial infections. In our case, graphene decorated with silver nanoparticles Gr-Ag (5 wt% Ag) exhibited inhibitory capacity against S. aureus and E. coli. The newly formed hybrid material was next incubated with high-efficiency particulate air (HEPA) filter, to obtain one with bactericidal properties. The modified filter had greater inhibitory action against the tested strains, compared to the control, and the effect was better against the Gram-negative model. Even if the bacteria remained attached to the filters, their colony forming unit capacity was affected by the Gr-Ag (5 wt% Ag) hybrid material, when they were subsequently re-cultured on fresh agar media. Therefore, the HEPA filter modified with Gr-Ag (5 wt% Ag) has high antibacterial properties that may substantially improve the existing technology.
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18
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Afolayan EM, Afegbua SL, Ado SA. Characterization and antibacterial activity of silver nanoparticles synthesized by soil-dwelling Bacillus thuringiensis against drug-resistant bacteria. Biologia (Bratisl) 2023. [DOI: 10.1007/s11756-023-01381-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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19
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McNeilly O, Mann R, Cummins ML, Djordjevic SP, Hamidian M, Gunawan C. Development of Nanoparticle Adaptation Phenomena in Acinetobacter baumannii: Physiological Change and Defense Response. Microbiol Spectr 2023; 11:e0285722. [PMID: 36625664 PMCID: PMC9927149 DOI: 10.1128/spectrum.02857-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 12/17/2022] [Indexed: 01/11/2023] Open
Abstract
The present work describes the evolution of a resistance phenotype to a multitargeting antimicrobial agent, namely, silver nanoparticles (nanosilver; NAg), in the globally prevalent bacterial pathogen Acinetobacter baumannii. The Gram-negative bacterium has recently been listed as a critical priority pathogen requiring novel treatment options by the World Health Organization. Through prolonged exposure to the important antimicrobial nanoparticle, the bacterium developed mutations in genes that encode the protein subunits of organelle structures that are involved in cell-to-surface attachment as well as in a cell envelope capsular polysaccharide synthesis-related gene. These mutations are potentially correlated with stable physiological changes in the biofilm growth behavior and with an evident protective effect against oxidative stress, most likely as a feature of toxicity defense. We further report a different adaptation response of A. baumannii to the cationic form of silver (Ag+). The bacterium developed a tolerance phenotype to Ag+, which was correlated with an indicative surge in respiratory activity and changes in cell morphology, of which these are reported characteristics of tolerant bacterial populations. The findings regarding adaptation phenomena to NAg highlight the risks of the long-term use of the nanoparticle on a priority pathogen. The findings urge the implementation of strategies to overcome bacterial NAg adaptation, to better elucidate the toxicity mechanisms of the nanoparticle, and preserve the efficacy of the potent alternative antimicrobial agent in this era of antimicrobial resistance. IMPORTANCE Several recent studies have reported on the development of bacterial resistance to broad-spectrum antimicrobial silver nanoparticles (nanosilver; NAg). NAg is currently one of the most important alternative antimicrobial agents. However, no studies have yet established whether Acinetobacter baumannii, a globally prevalent nosocomial pathogen, can develop resistance to the nanoparticle. The study herein describes how a model strain of A. baumannii with no inherent silver resistance determinants developed resistance to NAg, following prolonged exposure. The stable physiological changes are correlated with mutations detected in the bacterium genome. These mutations render the bacterium capable of proliferating at a toxic NAg concentration. It was also found that A. baumannii developed a "slower-to-kill" tolerance trait to Ag+, which highlights the unique antimicrobial activities between the nanoparticulate and the ionic forms of silver. Despite the proven efficacy of NAg, the observation of NAg resistance in A. baumannii emphasises the potential risks of the repeated overuse of this agent on a priority pathogen.
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Affiliation(s)
- Oliver McNeilly
- Australian Institute of Microbiology and Infection, University of Technology Sydney, Broadway, New South Wales, Australia
| | - Riti Mann
- Australian Institute of Microbiology and Infection, University of Technology Sydney, Broadway, New South Wales, Australia
| | - Max Laurence Cummins
- Australian Institute of Microbiology and Infection, University of Technology Sydney, Broadway, New South Wales, Australia
- Australian Centre for Genomic Epidemiological Microbiology, University of Technology Sydney, Broadway, New South Wales, Australia
| | - Steven P. Djordjevic
- Australian Institute of Microbiology and Infection, University of Technology Sydney, Broadway, New South Wales, Australia
- Australian Centre for Genomic Epidemiological Microbiology, University of Technology Sydney, Broadway, New South Wales, Australia
| | - Mehrad Hamidian
- Australian Institute of Microbiology and Infection, University of Technology Sydney, Broadway, New South Wales, Australia
| | - Cindy Gunawan
- Australian Institute of Microbiology and Infection, University of Technology Sydney, Broadway, New South Wales, Australia
- School of Chemical Engineering, University of New South Wales, Sydney, New South Wales, Australia
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20
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Kamat S, Kumari M. Emergence of microbial resistance against nanoparticles: Mechanisms and strategies. Front Microbiol 2023; 14:1102615. [PMID: 36778867 PMCID: PMC9909277 DOI: 10.3389/fmicb.2023.1102615] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 01/03/2023] [Indexed: 01/28/2023] Open
Abstract
Antimicrobial nanoparticles have gained the status of a new generation of drugs that can kill bacterial pathogens by multiple means; however, nanoparticle resistance acquired by some bacterial pathogens has evoked a cause of concern. Several reports suggested that bacteria can develop nanoparticles, specifically metal nanoparticle resistance, by mechanisms: nanoparticle transformation-induced oxidative stress, membrane alterations, reversible adaptive resistance, irreversible modifications to cell division, and a change in bacterial motility and resistance. Surface properties, concentration and aggregation of nanoparticles, biofilm forming and metal exclusion capacity, and R plasmid and flagellin synthesis by bacteria are crucial factors in the development of nanoparticle resistance in bacteria. Studies reported the resistance reversal by modifying the surface corona of nanoparticles or inhibiting flagellin production by bacterial pathogens. Furthermore, strict regulation regarding the use and disposal of nano-waste across the globe, the firm knowledge of microbe-nanoparticle interaction, and the regulated disposal of nanoparticles in soil and water is required to prevent microbes from developing nanoparticle resistance.
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21
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Combined Use of Antimicrobial Peptides with Antiseptics against Multidrug-Resistant Bacteria: Pros and Cons. Pharmaceutics 2023; 15:pharmaceutics15010291. [PMID: 36678918 PMCID: PMC9863607 DOI: 10.3390/pharmaceutics15010291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/09/2023] [Accepted: 01/12/2023] [Indexed: 01/18/2023] Open
Abstract
Antimicrobial peptides (AMPs) are acknowledged as a promising template for designing new antimicrobials. At the same time, existing toxicity issues and limitations in their pharmacokinetics make topical application one of the less complicated routes to put AMPs-based therapeutics into actual medical practice. Antiseptics are one of the common components for topical treatment potent against antibiotic-resistant pathogens but often with toxicity limitations of their own. Thus, the interaction of AMPs and antiseptics is an interesting topic that is also less explored than combined action of AMPs and antibiotics. Herein, we analyzed antibacterial, antibiofilm, and cytotoxic activity of combinations of both membranolytic and non-membranolytic AMPs with a number of antiseptic agents. Fractional concentration indices were used as a measure of possible effective concentration reduction achievable due to combined application. Cases of both synergistic and antagonistic interaction with certain antiseptics and surfactants were identified, and trends in the occurrence of these types of interaction were discussed. The data may be of use for AMP-based drug development and suggest that the topic requires further attention for successfully integrating AMPs-based products in the context of complex treatment. AMP/antiseptic combinations show promise for creating topical formulations with improved activity, lowered toxicity, and, presumably, decreased chances of inducing bacterial resistance. However, careful assessment is required to avoid AMP neutralization by certain antiseptic classes in either complex drug design or AMP application alongside other therapeutics/care products.
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22
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Tiwari AK, Gupta MK, Narayan RJ, Pandey PC. A whole cell fluorescence quenching-based approach for the investigation of polyethyleneimine functionalized silver nanoparticles interaction with Candida albicans. Front Microbiol 2023; 14:1131122. [PMID: 36925472 PMCID: PMC10011178 DOI: 10.3389/fmicb.2023.1131122] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 02/09/2023] [Indexed: 03/08/2023] Open
Abstract
The antimicrobial activity of metal nanoparticles can be considered a two-step process. In the first step, nanoparticles interact with the cell surface; the second step involves the implementation of the microbicidal processes. Silver nanoparticles have been widely explored for their antimicrobial activity against many pathogens. The interaction dynamics of functionalized silver nanoparticles at the biological interface must be better understood to develop surface-tuned biocompatible nanomaterial-containing formulations with selective antimicrobial activity. Herein, this study used the intrinsic fluorescence of whole C. albicans cells as a molecular probe to understand the cell surface interaction dynamics of polyethyleneimine-functionalized silver nanoparticles and antifungal mechanism of the same. The results demonstrated that synthesized PEI-f-Ag-NPs were ~ 5.6 ± 1.2 nm in size and exhibited a crystalline structure. Furthermore, the recorded zeta potential (+18.2 mV) was associated with the stability of NPS and shown a strong electrostatic interaction tendency between the negatively charged cell surface. Thus, rapid killing kinetics was observed, with a remarkably low MIC value of 5 μg/mL. PEI-f-Ag-NPs quenched the intrinsic fluorescence of C. albicans cells with increasing incubation time and concentration and have shown saturation effect within 120 min. The calculated binding constant (Kb = 1 × 105 M-1, n = 1.01) indicated strong binding tendency of PEI-f-Ag-NPs with C. albicans surface. It should also be noted that the silver nanoparticles interacted more selectively with the tyrosine-rich proteins in the fungal cell. However, calcofluor white fluorescence quenching showed non-specific binding on the cell surface. Thus, the antifungal mechanisms of PEI-f-Ag-NPs were observed as reactive oxygen species (ROS) overproduction and cell wall pit formation. This study demonstrated the utility of fluorescence spectroscopy for qualitative analysis of polyethyleneimine-functionalized silver nanoparticle interaction/binding with C. albicans cell surface biomolecules. Although, a quantitative approach is needed to better understand the interaction dynamics in order to formulate selective surface tuned nanoparticle for selective antifungal activity.
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Affiliation(s)
- Atul Kumar Tiwari
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh, India
| | - Munesh Kumar Gupta
- Mycology Laboratory, Department of Microbiology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - Roger J Narayan
- Joint Department of Biomedical Engineering, University of North Carolina and North Carolina State University, Chapel Hill, NC, United States
| | - Prem C Pandey
- Department of Chemistry, Indian Institute of Technology (BHU), Varanasi, Uttar Pradesh, India
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23
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Torres-Mendieta R, Nguyen NHA, Guadagnini A, Semerad J, Łukowiec D, Parma P, Yang J, Agnoli S, Sevcu A, Cajthaml T, Cernik M, Amendola V. Growth suppression of bacteria by biofilm deterioration using silver nanoparticles with magnetic doping. NANOSCALE 2022; 14:18143-18156. [PMID: 36449011 DOI: 10.1039/d2nr03902h] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Decades of antibiotic use and misuse have generated selective pressure toward the rise of antibiotic-resistant bacteria, which now contaminate our environment and pose a major threat to humanity. According to the evolutionary "Red queen theory", developing new antimicrobial technologies is both urgent and mandatory. While new antibiotics and antibacterial technologies have been developed, most fail to penetrate the biofilm that protects bacteria against external antimicrobial attacks. Hence, new antimicrobial formulations should combine toxicity for bacteria, biofilm permeation ability, biofilm deterioration capability, and tolerability by the organism without renouncing compatibility with a sustainable, low-cost, and scalable production route as well as an acceptable ecological impact after the ineluctable release of the antibacterial compound in the environment. Here, we report on the use of silver nanoparticles (NPs) doped with magnetic elements (Co and Fe) that allow standard silver antibacterial agents to perforate bacterial biofilms through magnetophoretic migration upon the application of an external magnetic field. The method has been proved to be effective in opening micrometric channels and reducing the thicknesses of models of biofilms containing bacteria such as Enterococcus faecalis, Enterobacter cloacae, and Bacillus subtilis. Besides, the NPs increase the membrane lipid peroxidation biomarkers through the formation of reactive oxygen species in E. faecalis, E. cloacae, B. subtilis, and Pseudomonas putida colonies. The NPs are produced using a one-step, scalable, and environmentally low-cost procedure based on laser ablation in a liquid, allowing easy transfer to real-world applications. The antibacterial effectiveness of these magnetic silver NPs may be further optimized by engineering the external magnetic fields and surface conjugation with specific functionalities for biofilm disruption or bactericidal effectiveness.
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Affiliation(s)
- Rafael Torres-Mendieta
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec, Czech Republic.
| | - Nhung H A Nguyen
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec, Czech Republic.
| | - Andrea Guadagnini
- Department of Chemical Sciences, University of Padova, Padova, I-35131 Italy.
| | - Jaroslav Semerad
- Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, Prague 4, Czech Republic
| | - Dariusz Łukowiec
- Materials Research Laboratory, Faculty of Mechanical Engineering, Silesian University of Technology, Konarskiego 18A St., 44-100, Gliwice, Poland
| | - Petr Parma
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec, Czech Republic.
- Faculty of Mechanical Engineering, Technical University of Liberec, Studentska 2, 461 17 Liberec, Czech Republic
| | - Jijin Yang
- Department of Chemical Sciences, University of Padova, Padova, I-35131 Italy.
| | - Stefano Agnoli
- Department of Chemical Sciences, University of Padova, Padova, I-35131 Italy.
| | - Alena Sevcu
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec, Czech Republic.
| | - Tomas Cajthaml
- Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, Prague 4, Czech Republic
| | - Miroslav Cernik
- Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, 461 17 Liberec, Czech Republic.
| | - Vincenzo Amendola
- Department of Chemical Sciences, University of Padova, Padova, I-35131 Italy.
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24
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Shekhawat SS, Kulshreshtha NM, Saini P, Upadhyay A, Gupta AB, Jenifer M H, Subramanian V, Kumari A, Pareek N, Vivekanand V. Antibiotic resistance genes and bacterial diversity: A comparative molecular study of treated sewage from different origins and their impact on irrigated soils. CHEMOSPHERE 2022; 307:136175. [PMID: 36030942 DOI: 10.1016/j.chemosphere.2022.136175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 07/27/2022] [Accepted: 08/20/2022] [Indexed: 06/15/2023]
Abstract
Present study aims to investigate how is soil affected following irrigation with treated effluents of different origins by analysing the bacterial diversity, metabolic diversity and antibiotic resistance genes (ARGs). Comparative analysis with previously reported ARGs in effluents was performed to understand the mobility of ARGs from treated wastewater to the irrigated soil with respect to the control soil regimen. Acinetobacter, Burkholderia and Pseudomonas were observed as the most abundant genera in all the samples. The metabolic gene abundance of all the samples suggests a prominent contribution to natural mineral recycling. Most abundant ARGs observed encode resistance for clindamycin, kanamycin A, macrolides, paromomycin, spectinomycin and tetracycline. Treated effluent reuse did not appear to enhance the ARG levels in soils in most cases except for institutional treatment site (M), where the ARGs for aminoglycosides, β-lactams and sulfonamides were found to be abundantly present in both treated effluent and the irrigated soil. This study finds the importance of wastewater treatment from different origins and the impact of treated wastewater reuse in irrigation. This study also emphasises on the better understanding of ARGs mobility from water to soil.
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Affiliation(s)
- Sandeep Singh Shekhawat
- Centre for Energy and Environment, Malaviya National Institute of Technology Jaipur, JLN Marg, Jaipur, 302017, India; Jaipur National University Jaipur-Agra Bypass, Near New RTO Office, Jagatpura, Jaipur, 302017, India
| | - Niha Mohan Kulshreshtha
- Department of Civil Engineering, Malaviya National Institute of Technology Jaipur, JLN Marg, Jaipur, 302017, India
| | - Pankaj Saini
- Department of Civil Engineering, Malaviya National Institute of Technology Jaipur, JLN Marg, Jaipur, 302017, India
| | - Aparna Upadhyay
- Department of Civil Engineering, Malaviya National Institute of Technology Jaipur, JLN Marg, Jaipur, 302017, India
| | - Akhilendra Bhushan Gupta
- Department of Civil Engineering, Malaviya National Institute of Technology Jaipur, JLN Marg, Jaipur, 302017, India
| | | | | | - Ankita Kumari
- Biokart India Private Limited, Bengaluru, 560043, India
| | - Nidhi Pareek
- Department of Microbiology, School of Life Sciences, Central University of Rajasthan Bandarsindri, Ajmer, Kishangarh, Rajasthan, 305801, India
| | - Vivekanand Vivekanand
- Centre for Energy and Environment, Malaviya National Institute of Technology Jaipur, JLN Marg, Jaipur, 302017, India.
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25
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Doolan JA, Williams GT, Hilton KLF, Chaudhari R, Fossey JS, Goult BT, Hiscock JR. Advancements in antimicrobial nanoscale materials and self-assembling systems. Chem Soc Rev 2022; 51:8696-8755. [PMID: 36190355 PMCID: PMC9575517 DOI: 10.1039/d1cs00915j] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Indexed: 11/21/2022]
Abstract
Antimicrobial resistance is directly responsible for more deaths per year than either HIV/AIDS or malaria and is predicted to incur a cumulative societal financial burden of at least $100 trillion between 2014 and 2050. Already heralded as one of the greatest threats to human health, the onset of the coronavirus pandemic has accelerated the prevalence of antimicrobial resistant bacterial infections due to factors including increased global antibiotic/antimicrobial use. Thus an urgent need for novel therapeutics to combat what some have termed the 'silent pandemic' is evident. This review acts as a repository of research and an overview of the novel therapeutic strategies being developed to overcome antimicrobial resistance, with a focus on self-assembling systems and nanoscale materials. The fundamental mechanisms of action, as well as the key advantages and disadvantages of each system are discussed, and attention is drawn to key examples within each field. As a result, this review provides a guide to the further design and development of antimicrobial systems, and outlines the interdisciplinary techniques required to translate this fundamental research towards the clinic.
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Affiliation(s)
- Jack A Doolan
- School of Chemistry and Forensic Science, University of Kent, Canterbury, Kent CT2 7NH, UK.
- School of Biosciences, University of Kent, Canterbury, Kent CT2 7NJ, UK.
| | - George T Williams
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
| | - Kira L F Hilton
- School of Chemistry and Forensic Science, University of Kent, Canterbury, Kent CT2 7NH, UK.
| | - Rajas Chaudhari
- School of Chemistry and Forensic Science, University of Kent, Canterbury, Kent CT2 7NH, UK.
| | - John S Fossey
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK.
| | - Benjamin T Goult
- School of Biosciences, University of Kent, Canterbury, Kent CT2 7NJ, UK.
| | - Jennifer R Hiscock
- School of Chemistry and Forensic Science, University of Kent, Canterbury, Kent CT2 7NH, UK.
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26
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Krutyakov YA, Khina AG. Bacterial Resistance to Nanosilver: Molecular Mechanisms and Possible Ways to Overcome them. APPL BIOCHEM MICRO+ 2022. [DOI: 10.1134/s0003683822050106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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27
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Lima GAS, Guerini GG, de Vasconcellos SP, Pellosi DS. Visible light-induced synergic antimicrobial activity of silver nanoparticles/methylene blue nanohybrids encapsulated in chitosan and pluronic polymers. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02509-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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28
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Quach Q, Abdel-Fattah TM. Silver Nanoparticles Functionalized Nanosilica Grown over Graphene Oxide for Enhancing Antibacterial Effect. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12193341. [PMID: 36234470 PMCID: PMC9565893 DOI: 10.3390/nano12193341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/20/2022] [Accepted: 09/20/2022] [Indexed: 05/14/2023]
Abstract
The continuous growth of multidrug-resistant bacteria due to the overuse of antibiotics and antibacterial agents poses a threat to human health. Silver nanoparticles, silica-based materials, and graphene-based materials have become potential antibacterial candidates. In this study, we developed an effective method of enhancing the antibacterial property of graphene oxide (GO) by growing nanosilica (NS) of approximately 50 nm on the graphene oxide (GO) surface. The structures and compositions of the materials were characterized through powdered X-ray diffraction (P-XRD), transmission electron microscopy (TEM), scanning electron microscopy coupled with energy dispersive X-ray spectroscopy (SEM-EDS), ultraviolet-visible spectroscopy (UV-VIS), dynamic light scattering (DLS), Raman spectroscopy (RM), Fourier-transform infrared spectroscopy (FTIR), Brunauer-Emmet-Teller (BET) surface area, and pore size determination. The silver nanoparticles (AgNPs) with an average diameter of 26 nm were functionalized on the nanosilica (NS) surface. The composite contained approximately 3% of silver nanoparticles. The silver nanoparticles on nanosilica supported over graphene oxide (GO/NS/AgNPs) exhibited a 7-log reduction of Escherichia coli and a 5.2-log reduction of Bacillus subtilis within one hour of exposure. Both GO/NS and GO/NS/AgNPs exhibited substantial antimicrobial effects against E. coli and B. subtilis.
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29
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Mendez-Pfeiffer P, Ballesteros-Monrreal MG, Gaona-Ochoa J, Juarez J, Gastelum-Cabrera M, Montaño-Leyva B, Arenas-Hernández M, Caporal-Hernandez L, Ortega-García J, Barrios-Villa E, Velazquez C, Valencia D. Biosynthesis of Silver Nanoparticles Using Seasonal Samples of Sonoran Desert Propolis: Evaluation of Its Antibacterial Activity against Clinical Isolates of Multi-Drug Resistant Bacteria. Pharmaceutics 2022; 14:pharmaceutics14091853. [PMID: 36145600 PMCID: PMC9503092 DOI: 10.3390/pharmaceutics14091853] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 08/24/2022] [Accepted: 08/30/2022] [Indexed: 12/03/2022] Open
Abstract
Multi-drug resistant (MDR) bacteria have gained importance as a health problem worldwide, and novel antibacterial agents are needed to combat them. Silver nanoparticles (AgNPs) have been studied as a potent antimicrobial agent, capable of countering MDR bacteria; nevertheless, their conventional synthesis methods can produce cytotoxicity and environmental hazards. Biosynthesis of silver nanoparticles has emerged as an alternative to reduce the cytotoxic and environmental problems derived from their chemical synthesis, using natural products as a reducing and stabilizing agent. Sonoran Desert propolis (SP) is a poplar-type propolis rich in polyphenolic compounds with remarkable biological activities, such as being antioxidant, antiproliferative, and antimicrobial, and is a suitable candidate for synthesis of AgNPs. In this study, we synthesized AgNPs using SP methanolic extract (SP-AgNPs) and evaluated the reduction capacity of their seasonal samples and main chemical constituents. Their cytotoxicity against mammalian cell lines and antibacterial activity against multi-drug resistant bacteria were assessed. Quercetin and galangin showed the best-reduction capacity for synthesizing AgNPs, as well as the seasonal sample from winter (SPw-AgNPs). The SPw-AgNPs had a mean size of around 16.5 ± 5.3 nm, were stable in different culture media, and the presence of propolis constituents was confirmed by FT-IR and HPLC assays. The SPw-AgNPs were non-cytotoxic to ARPE-19 and HeLa cell lines and presented remarkable antibacterial and antibiofilm activity against multi-drug resistant clinical isolates, with E. coli 34 and ATCC 25922 being the most susceptible (MBC = 25 μg/mL), followed by E. coli 2, 29, 37 and PNG (MBC = 50 μg/mL), and finally E. coli 37 and S. aureus ATCC 25923 (MBC = 100 μg/mL). These results demonstrated the efficacy of SP as a reducing and stabilizing agent for synthesis of AgNPs and their capacity as an antibacterial agent.
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Affiliation(s)
- Pablo Mendez-Pfeiffer
- Department of Chemistry-Biology and Agropecuary Sciences, Universidad de Sonora, H. Caborca, Hermosillo 83600, Sonora, Mexico
| | - Manuel G. Ballesteros-Monrreal
- Department of Chemistry-Biology and Agropecuary Sciences, Universidad de Sonora, H. Caborca, Hermosillo 83600, Sonora, Mexico
| | - Jesus Gaona-Ochoa
- Department of Chemistry-Biology and Agropecuary Sciences, Universidad de Sonora, H. Caborca, Hermosillo 83600, Sonora, Mexico
| | - Josue Juarez
- Departamento de Física, Universidad de Sonora, Hermosillo 83000, Sonora, Mexico
| | | | - Beatriz Montaño-Leyva
- Departamento de Investigación y Posgrado en Alimentos, Universidad de Sonora, Hermosillo 83000, Sonora, Mexico
| | - Margarita Arenas-Hernández
- Posgrado en Microbiología, Centro de Investigación en Ciencias Microbiológicas, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, Puebla 72570, Pue, Mexico
| | - Liliana Caporal-Hernandez
- Department of Chemistry-Biology and Agropecuary Sciences, Universidad de Sonora, H. Caborca, Hermosillo 83600, Sonora, Mexico
| | - Jesús Ortega-García
- Department of Chemistry-Biology and Agropecuary Sciences, Universidad de Sonora, H. Caborca, Hermosillo 83600, Sonora, Mexico
| | - Edwin Barrios-Villa
- Department of Chemistry-Biology and Agropecuary Sciences, Universidad de Sonora, H. Caborca, Hermosillo 83600, Sonora, Mexico
| | - Carlos Velazquez
- Department of Chemistry-Biology, Universidad de Sonora, Hermosillo 83000, Sonora, Mexico
| | - Dora Valencia
- Department of Chemistry-Biology and Agropecuary Sciences, Universidad de Sonora, H. Caborca, Hermosillo 83600, Sonora, Mexico
- Correspondence:
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30
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Identification and Characterisation of pST1023 A Mosaic, Multidrug-Resistant and Mobilisable IncR Plasmid. Microorganisms 2022; 10:microorganisms10081592. [PMID: 36014010 PMCID: PMC9412624 DOI: 10.3390/microorganisms10081592] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/01/2022] [Accepted: 08/04/2022] [Indexed: 11/22/2022] Open
Abstract
We report the identification and characterisation of a mosaic, multidrug-resistant and mobilisable IncR plasmid (pST1023) detected in Salmonella ST1023, a monophasic variant 4,[5],12:i: strain of widespread pandemic lineage, reported as a Southern European clone. pST1023 contains exogenous DNA regions, principally gained from pSLT-derivatives and IncI1 plasmids. Acquisition from IncI1 included oriT and nikAB and these conferred the ability to be mobilisable in the presence of a helper plasmid, as we demonstrated with the conjugative plasmids pST1007-1D (IncFII) or pVC1035 (IncC). A sul3-associated class 1 integron, conferring resistance to aminoglycosides, chloramphenicol and trimethoprim-sulphonamides, was also embedded in the acquired IncI1 DNA segment. pST1023 also harboured an additional site-specific recombination system (rfsF/rsdB) and IS elements of the IS1, IS5 (IS903 group) and IS6 families. Four of the six IS26 elements present constituted two pseudo-compound-transposons, named PCT-sil and PCT-Tn10 (identified here for the first time). The study further highlighted the mosaic genetic architecture and the clinical importance of IncR plasmids. Moreover, it provides the first experimental data on the ability of IncR plasmids to be mobilised and their potential role in the horizontal spread of antimicrobial-resistant genes.
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31
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Huang YS, Wang JT, Tai HM, Chang PC, Huang HC, Yang PC. Metal nanoparticles and nanoparticle composites are effective against Haemophilus influenzae, Streptococcus pneumoniae, and multidrug-resistant bacteria. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2022; 55:708-715. [PMID: 35718718 DOI: 10.1016/j.jmii.2022.05.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 04/26/2022] [Accepted: 05/26/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Treatment for lower respiratory tract infection caused by multidrug-resistant organisms (MDRO) are often limited. This study explored the activity of different metal nanoparticles against several respiratory pathogens including MDROs. METHODS Clinical isolates of carbapenem-resistant Acinetobacter baumannii (CRAB), carbapenem-resistant Klebsiella pneumoniae (CRKP), Pseudomonas aeruginosa, Haemophilus influenzae, methicillin-resistant Staphylococcus aureus (MRSA), and Streptococcus pneumoniae were tested for in vitro susceptibilities to various antibiotics and nanoparticles. Minimum inhibitory concentrations (MICs) of silver-nanoparticle (Ag-NP), selenium-nanoparticle (Se-NP), and three composites solutions ND50, NK99, and TPNT1 (contained 5 ppm Ag-NP, 60 ppm ZnO-nanoparticle, and different concentrations of gold-nanoparticle or ClO2) were determined by broth microdilution method. RESULTS Fifty isolates of each bacterial species listed above were tested. Ag-NP showed lower MICs to all species than Se-NP. The MIC50s of Ag-NP for CRAB, CRKP, P. aeruginosa, and H. influenzae were <3.125 ppm, 25 ppm, <3.125 ppm, and <3.125 ppm, respectively, while those for S. pneumoniae and MRSA were >50 ppm and 50 ppm. Among CRAB, CRKP and P. aeruginosa, the MIC50s of ND50, NK99, and TPNT1 for CRAB were the lowest (1/8 dilution, 1/8 dilution, and 1/8 dilution, respectively), and those for CRKP (>1/2 dilution, 1/2 dilution, and 1/2 dilution, respectively) were the highest. Both MRSA and S. pneumoniae showed high MIC50s to ND50, NK99, and TPNT1. CONCLUSIONS Metal nanoparticles had good in vitro activity against Gram-negative bacteria. They might be suitable to be prepared as environmental disinfectants or inhaled agents to inhibit the growth of MDR Gram-negative colonizers in the lower respiratory tracts of patients with chronic lung diseases.
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Affiliation(s)
- Yu-Shan Huang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; Graduate Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Jann-Tay Wang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Maioli, Taiwan.
| | - Hui-Ming Tai
- Laboratory of Infectious Disease, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | | | | | - Pan-Chyr Yang
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan; Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
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Sadozai SK, Khan SA, Baseer A, Ullah R, Zeb A, Schneider M. In Vitro, Ex Vivo, and In Vivo Evaluation of Nanoparticle-Based Topical Formulation Against Candida albicans Infection. Front Pharmacol 2022; 13:909851. [PMID: 35873577 PMCID: PMC9304580 DOI: 10.3389/fphar.2022.909851] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 05/16/2022] [Indexed: 11/13/2022] Open
Abstract
Ketoconazole is commonly used in the treatment of topical fungal infections. The therapy requires frequent application for several weeks. Systemic side effects, allergic reactions, and prolonged treatment are often associated with non-compliance and therapy failure. Hence, we developed an optimized topical antifungal gel that can prolong the release of drug, reduce systemic absorption, enhance its therapeutic effect, and improve patient compliance. Ketoconazole-loaded PLGA nanoparticles were prepared by the emulsion/solvent evaporation method and were characterized with respect to colloidal properties, surface morphology, and drug entrapment efficiency. The optimized ketoconazole-loaded PLGA nanoparticles and commercially available silver nanoparticles were incorporated into a Carbopol 934P-NF gel base. This arrangement was characterized and compared with commercially available 2% ketoconazole cream to assess physical characteristics of the gel, in vitro drug release, ex vivo skin permeation and retention, and in vivo studies on Wister male albino rats. The results showed that polymeric PLGA nanoparticles were very effective in extending the release of ketoconazole in our optimized formulation. Nanoparticles were smooth, spherical in shape, and below 200 nm in size which is consistent with the data obtained from light scattering and SEM images. The ex vivo data showed that our gel formulation could strongly reduce drug permeation through the skin, and more than 60% of the drug was retained on the upper surface of the skin in contrast to 38.42% of the commercial cream. The in vivo studies showed that gel formulation could effectively treat the infection. This study demonstrates that our topical gel could be effective in sustaining the release of drug and suggests its potential use as a possible strategy to combat antifungal-resistant Candida albicans.
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Affiliation(s)
- Sajid Khan Sadozai
- Department of Pharmacy, Kohat University of Science and Technology, Kohat, Pakistan
| | - Saeed Ahmad Khan
- Department of Pharmacy, Kohat University of Science and Technology, Kohat, Pakistan
- *Correspondence: Saeed Ahmad Khan, ; Marc Schneider,
| | - Abdul Baseer
- Department of Pharmacy, Abasyn University, Peshawar, Pakistan
| | - Rooh Ullah
- Department of Pharmacy, Abasyn University, Peshawar, Pakistan
| | - Alam Zeb
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Marc Schneider
- Department of Pharmacy, Biopharmaceutics and Pharmaceutical Technology, Saarland University, Saarbrücken, Germany
- *Correspondence: Saeed Ahmad Khan, ; Marc Schneider,
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Kryuchkov M, Adamcik J, Katanaev VL. Bactericidal and Antiviral Bionic Metalized Nanocoatings. NANOMATERIALS 2022; 12:nano12111868. [PMID: 35683724 PMCID: PMC9182136 DOI: 10.3390/nano12111868] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/26/2022] [Accepted: 05/28/2022] [Indexed: 02/04/2023]
Abstract
In diverse living organisms, bionanocoatings provide multiple functionalities, to the surfaces they cover. We have, previously, identified the molecular mechanisms of Turing-based self-assembly of insect corneal nanocoatings and developed forward-engineering approaches to construct multifunctional soft bionic nanocoatings, encompassing the Drosophila protein Retinin. Here, we expand the versatility of the bionic nanocoatings, by identifying and using diverse Retinin-like proteins and different methods of their metallization, using nickel, silver, and copper ions. Comparative assessment, of the resulting bactericidal, antiviral, and cytotoxic properties, identifies the best protocols, to construct safe and anti-infective metalized bionic nanocoatings. Upscaled application of these protocols, to various public surfaces, may represent a safe and economic approach to limit hazardous infections.
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Affiliation(s)
- Mikhail Kryuchkov
- Department of Cell Physiology and Metabolism, Translational Research Centre in Oncohaematology, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland;
| | - Jozef Adamcik
- National Center of Competence in Research Bio-Inspired Materials, Adolphe Merkle Institute, University of Fribourg, 1700 Fribourg, Switzerland;
| | - Vladimir L. Katanaev
- Department of Cell Physiology and Metabolism, Translational Research Centre in Oncohaematology, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland;
- Institute of Life Sciences and Biomedicine, Far Eastern Federal University, 690922 Vladivostok, Russia
- Correspondence: ; Tel.: +41-22-379-5353
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Zhong DX, She MT, Guo XC, Zheng BX, Huang XH, Zhang YH, Ser HL, Wong WL, Sun N, Lu YJ. Design and synthesis of quinolinium-based derivatives targeting FtsZ for antibacterial evaluation and mechanistic study. Eur J Med Chem 2022; 236:114360. [PMID: 35421657 DOI: 10.1016/j.ejmech.2022.114360] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 04/03/2022] [Accepted: 04/04/2022] [Indexed: 01/03/2023]
Abstract
The discovery of small molecular inhibitors targeting essential and conserved bacterial drug targets such as FtsZ protein is a promising approach to fight against multi-drug resistant bacteria. In the present study, two new series of FtsZ inhibitors based on a 1-methylquinolinium scaffold were synthesized. The inhibitors possess a variety of substituent groups including the cyclic or linear amine skeleton at the 2- and 4-position of the quinolinium ring for structure-activity relationship study. In general, the inhibitors bearing a cyclic amine substituent at the 4-position of the quinolinium ring showed better antibacterial activity (MIC down to 0.25 μg/mL) than that at the 2-position, especially against Gram-positive bacteria. Among the twenty FtsZ inhibitors examined in various assays, A3 was identified to exhibit excellent antibacterial activity against S. aureus (MIC = 0.5-1 μg/mL), S. epidermidis (MIC = 0.25 μg/mL) and E. faecium (MIC = 1-8 μg/mL). More importantly, A3 showed low hemolytic toxicity (IC5 = 64 μg/mL) and was found not readily to induce drug resistance. A3 at 2-8 μg/mL promoted the polymerization of FtsZ and interrupted the bacterial division. Furthermore, the ligand-FtsZ interaction study conducted with circular dichroism and molecular docking revealed that A3 induced secondary structure changes of FtsZ protein upon binding to the interdomain cleft of the protein. A3 is thus a potent inhibitor of FtsZ and shows potential to be used as a new antibacterial agent against drug-resistant bacteria.
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Affiliation(s)
- Dong-Xiao Zhong
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Meng-Ting She
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Xiao-Chun Guo
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Bo-Xin Zheng
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Xuan-He Huang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Yi-Han Zhang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Hooi-Leng Ser
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Wing-Leung Wong
- The State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China.
| | - Ning Sun
- The State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China; Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, 510180, PR China.
| | - Yu-Jing Lu
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, PR China; Engineering Research Academy of High Value Utilization of Green Plants, Meizhou, 514021, PR China; Golden Health (Guangdong) Biotechnology Co., Ltd, Foshan, 28225, PR China.
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Biofilm through the Looking Glass: A Microbial Food Safety Perspective. Pathogens 2022; 11:pathogens11030346. [PMID: 35335670 PMCID: PMC8954374 DOI: 10.3390/pathogens11030346] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/08/2022] [Accepted: 03/10/2022] [Indexed: 02/06/2023] Open
Abstract
Food-processing facilities harbor a wide diversity of microorganisms that persist and interact in multispecies biofilms, which could provide an ecological niche for pathogens to better colonize and gain tolerance against sanitization. Biofilm formation by foodborne pathogens is a serious threat to food safety and public health. Biofilms are formed in an environment through synergistic interactions within the microbial community through mutual adaptive response to their long-term coexistence. Mixed-species biofilms are more tolerant to sanitizers than single-species biofilms or their planktonic equivalents. Hence, there is a need to explore how multispecies biofilms help in protecting the foodborne pathogen from common sanitizers and disseminate biofilm cells from hotspots and contaminate food products. This knowledge will help in designing microbial interventions to mitigate foodborne pathogens in the processing environment. As the global need for safe, high-quality, and nutritious food increases, it is vital to study foodborne pathogen behavior and engineer new interventions that safeguard food from contamination with pathogens. This review focuses on the potential food safety issues associated with biofilms in the food-processing environment.
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Wang H, Li J, Min C, Xia F, Tang M, Li J, Hu Y, Zou M. Characterization of Silver Resistance and Coexistence of sil Operon with Antibiotic Resistance Genes Among Gram-Negative Pathogens Isolated from Wound Samples by Using Whole-Genome Sequencing. Infect Drug Resist 2022; 15:1425-1437. [PMID: 35392367 PMCID: PMC8982571 DOI: 10.2147/idr.s358730] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 03/12/2022] [Indexed: 12/18/2022] Open
Abstract
Purpose Methods Results Conclusion
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Affiliation(s)
- Haichen Wang
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
| | - Jia Li
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
- Shanghai Institute of Immunology, Department of Immunology and Microbiology, Shanghai Jiao Tong University School of Medicine, Shanghai, People’s Republic of China
| | - Changhang Min
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
| | - Fengjun Xia
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
| | - Mengli Tang
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
| | - Jun Li
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
| | - Yongmei Hu
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
| | - Mingxiang Zou
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
- Department of Clinical Laboratory, Xiangya Hospital, Central South University, Changsha, Hunan Province, People’s Republic of China
- Correspondence: Mingxiang Zou, National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, 41008, People’s Republic of China, Tel/Fax +86 7384327440, Email
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Composite Membrane Dressings System with Metallic Nanoparticles as an Antibacterial Factor in Wound Healing. MEMBRANES 2022; 12:membranes12020215. [PMID: 35207136 PMCID: PMC8876280 DOI: 10.3390/membranes12020215] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/26/2022] [Accepted: 02/09/2022] [Indexed: 02/04/2023]
Abstract
Wound management is the burning problem of modern medicine, significantly burdening developed countries’ healthcare systems. In recent years, it has become clear that the achievements of nanotechnology have introduced a new quality in wound healing. The application of nanomaterials in wound dressing significantly improves their properties and promotes the healing of injuries. Therefore, this review paper presents the subjectively selected nanomaterials used in wound dressings, including the metallic nanoparticles (NPs), and refers to the aspects of their application as antimicrobial factors. The literature review was supplemented with the results of our team’s research on the elements of multifunctional new-generation dressings containing nanoparticles. The wound healing multiple molecular pathways, mediating cell types, and affecting agents are discussed herein. Moreover, the categorization of wound dressings is presented. Additionally, some materials and membrane constructs applied in wound dressings are described. Finally, bacterial participation in wound healing and the mechanism of the antibacterial function of nanoparticles are considered. Membranes involving NPs as the bacteriostatic factors for improving wound healing of skin and bones, including our experimental findings, are discussed in the paper. In addition, some studies of our team concerning the selected bacterial strains’ interaction with material involving different metallic NPs, such as AuNPs, AgNPs, Fe3O4NPs, and CuNPs, are presented. Furthermore, nanoparticles’ influence on selected eukaryotic cells is mentioned. The ideal, universal wound dressing still has not been obtained; thus, a new generation of products have been developed, represented by the nanocomposite materials with antibacterial, anti-inflammatory properties that can influence the wound-healing process.
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Antibacterial Properties of Biodegradable Silver Nanoparticle Foils Based on Various Strains of Pathogenic Bacteria Isolated from the Oral Cavity of Cats, Dogs and Horses. MATERIALS 2022; 15:ma15031269. [PMID: 35161213 PMCID: PMC8840282 DOI: 10.3390/ma15031269] [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: 01/19/2022] [Revised: 02/01/2022] [Accepted: 02/02/2022] [Indexed: 11/17/2022]
Abstract
Frequent occurrence of microbial resistance to biocides makes it necessary to find alternative antimicrobial substances for modern veterinary medicine. The aim of this study was to obtain biodegradable silver nanoparticle-containing (AgNPs) foils synthesized using non-toxic chemicals and evaluation of their activity against bacterial pathogens isolated from oral cavities of cats, dogs and horses. Silver nanoparticle foils were synthesized using sodium alginate, and glucose, maltose and xylose were used as reducing agents. The sizes of AgNPs differed depending on the reducing agent used (xylose < maltose < glucose). Foil without silver nanoparticles was used as control. Bacterial strains were isolated from cats, dogs and horses by swabbing their oral cavities. Staphylococcus aureus, methicillin-resistant Staphylococcus aureus (MRSA), Escherichia coli and extended-spectrum beta-lactamase (ESBL) producing E. coli were isolated on selective chromogenic microbiological media. The bactericidal effect of AgNPs foils obtained using non-toxic chemical compounds against E. coli, ESBL, S. aureus and MRSA isolated from oral cavities of selected animals was confirmed in this study. No statistically significant differences were observed between the foils obtained with different reducing agents. Therefore, all types of examined foils proved to be effective against the isolated bacteria.
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In Vivo and In Vitro Antimicrobial Activity of Biogenic Silver Nanoparticles against Staphylococcus aureus Clinical Isolates. Pharmaceuticals (Basel) 2022; 15:ph15020194. [PMID: 35215306 PMCID: PMC8878289 DOI: 10.3390/ph15020194] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 01/27/2022] [Accepted: 02/01/2022] [Indexed: 12/04/2022] Open
Abstract
Staphylococcus aureus can cause a wide range of severe infections owing to its multiple virulence factors in addition to its resistance to multiple antimicrobials; therefore, novel antimicrobials are needed. Herein, we used Gardenia thailandica leaf extract (GTLE), for the first time for the biogenic synthesis of silver nanoparticles (AgNPs). The active constituents of GTLE were identified by HPLC, including chlorogenic acid (1441.03 μg/g) from phenolic acids, and quercetin-3-rutinoside (2477.37 μg/g) and apigenin-7-glucoside (605.60 μg/g) from flavonoids. In addition, the antioxidant activity of GTLE was evaluated. The synthesized AgNPs were characterized using ultraviolet-visible spectroscopy, Fourier-transform infrared spectroscopy, transmission and scanning electron microscopy (SEM), zeta potential, dynamic light scattering, and X-ray diffraction. The formed AgNPs had a spherical shape with a particle size range of 11.02–17.92 nm. The antimicrobial activity of AgNPs was investigated in vitro and in vivo against S. aureus clinical isolates. The minimum inhibitory concentration (MIC) of AgNPs ranged from 4 to 64 µg/mL. AgNPs significantly decreased the membrane integrity of 45.8% of the isolates and reduced the membrane potential by flow cytometry. AgNPs resulted in morphological changes observed by SEM. Furthermore, qRT-PCR was utilized to examine the effect of AgNPs on the gene expression of the efflux pump genes norA, norB, and norC. The in vivo examination was performed on wounds infected with S. aureus bacteria in rats. AgNPs resulted in epidermis regeneration and reduction in the infiltration of inflammatory cells. Thus, GTLE could be a vital source for the production of AgNPs, which exhibited promising in vivo and in vitro antibacterial activity against S. aureus bacteria.
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Dong M, Chen D, Che L, Gu N, Yin M, Du X, Shen J, Yan S. Biotoxicity Evaluation of a Cationic Star Polymer on a Predatory Ladybird and Cooperative Pest Control by Polymer-Delivered Pesticides and Ladybird. ACS APPLIED MATERIALS & INTERFACES 2022; 14:6083-6092. [PMID: 35072467 DOI: 10.1021/acsami.1c24077] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Although employing nanocarriers for gene/drug delivery shows great potential in agricultural fields, the biotoxicity of nanocarriers is a major concern for large-scale applications. Herein, we synthesized a cationic star polymer (SPc) as a pesticide nanocarrier/adjuvant to evaluate its safety against a widely used predatory ladybird (Harmonia axyridis). The application of SPc at extremely high concentrations nearly did not influence the hatching of ladybird eggs but it led to the death of ladybird larvae at lethal concentration 50 (LC50) values of 43.96 and 19.85 mg/mL through the soaking and feeding methods, respectively. The oral feeding of SPc downregulated many membrane protein genes and lysosome genes significantly, and the cell membrane and nucleus in gut tissues were remarkably damaged by SPc application, revealing that the lethal mechanism might be SPc-mediated membrane damage. Furthermore, the oral feeding of SPc increased the relative abundance of Serratia bacteria in ladybird guts to result in bacterial infection. Coapplication of ladybird and SPc-loaded thiamethoxam/matrine achieved desired control efficacies of more than 80% against green peach aphids, revealing that the coapplication could overcome the slow-acting property of ladybirds. To our knowledge, this is the first attempt to investigate the polymer-mediated lethal mechanism toward natural enemies and explore the possibility of coapplying SPc-loaded pesticides and natural enemies for pest management.
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Affiliation(s)
- Min Dong
- Department of Plant Biosecurity and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, P. R. China
| | - Dingming Chen
- Department of Plant Biosecurity and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, P. R. China
| | - Lin Che
- Department of Plant Biosecurity and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, P. R. China
| | - Na Gu
- Department of Plant Biosecurity and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, P. R. China
| | - Meizhen Yin
- State Key Lab of Chemical Resource Engineering, Beijing Lab of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Xiangge Du
- Department of Plant Biosecurity and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, P. R. China
| | - Jie Shen
- Department of Plant Biosecurity and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, P. R. China
| | - Shuo Yan
- Department of Plant Biosecurity and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, P. R. China
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Gharpure S, Yadwade R, Ankamwar B. Non-antimicrobial and Non-anticancer Properties of ZnO Nanoparticles Biosynthesized Using Different Plant Parts of Bixa orellana. ACS OMEGA 2022; 7:1914-1933. [PMID: 35071882 PMCID: PMC8771956 DOI: 10.1021/acsomega.1c05324] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 12/27/2021] [Indexed: 05/02/2023]
Abstract
As traditional cancer therapy is toxic to both normal and cancer cells, there is a need for newer approaches to specifically target cancer cells. ZnO nanoparticles can be promising due their biocompatible nature. However, ZnO nanoparticles have also shown cytotoxicity against mammalian cells in some cases, because of which there is a need for newer synthesis approaches for biocompatible ZnO nanoparticles to be used as carrier molecules in drug delivery applications. Here, we report the biosynthesis of ZnO nanoparticles using different plant parts (leaf, seed, and seed coat) of Bixa orellana followed by different characterizations. The UV-visible spectra of ZnO showed absorption maxima at 341 and 353 nm, 378 and 373 nm, and 327 and 337 nm, respectively, before and after calcination corresponding to the band gap energy of 3.636 and 3.513 eV, 3.280 and 3.324 eV, and 3.792 and 3.679 eV for L-ZnO, S-ZnO, and Sc-ZnO, respectively. X-ray diffraction analysis confirmed the formation of hexagonal wurtzite structures. Attenuated total reflectance infrared spectra revealed the presence of stretching vibrations of C-C, C=C, C=O, and NH3 + groups along with C-H deformation involving biomolecules from extracts responsible for reduction and stabilization of nanoparticles. Field emission scanning electron microscopy and transmission electron microscopy images showed spherical and almond-like morphologies of L-ZnO and Sc-ZnO with spherical morphologies, whereas S-ZnO showed almond-like morphologies. The presence of antibacterial activity was observed in L-ZnO against Staphylococcus aureus and Bacillus subtilis, in S-ZnO nanoparticles only against Escherichia coli, and in Sc-ZnO only against Staphylococcus aureus. Uncalcinated ZnO nanoparticles showed weak antibacterial activities, whereas calcinated ZnO nanoparticles showed a non-antibacterial nature. The antifungal activity against different fungi (Penicillium sp., Aspergillus flavus, Fusarium oxysporum, and Rhizoctonia solani) and cytotoxicity against HCT-116 cancer cells were not observed before and after calcination in all three ZnO nanoparticles. The antimicrobial nature and biocompatibility of ZnO nanoparticles were influenced by different parameters of the nanoparticles along with microorganisms and the human cells. Non-antimicrobial properties of ZnO nanoparticles can be treated as a pre-requisite for its biocompatibility due to its inert nature. Thus, biosynthesized ZnO nanoparticles showed a nontoxic nature, which can be exploited as promising alternatives in biomedical applications.
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Dash SS, Banerjee J, Samanta S, Giri B, Dash SK. Microwave-Assisted Fabrication of Silver Nanoparticles Utilizing Seed Extract of Areca catechu with Antioxidant Potency and Evaluation of Antibacterial Efficacy Against Multidrug Resistant Pathogenic Bacterial Strains. BIONANOSCIENCE 2022. [DOI: 10.1007/s12668-021-00927-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Ngoepe MP, Clayton HS. Metal Complexes as DNA Synthesis and/or Repair Inhibitors: Anticancer and Antimicrobial Agents. PHARMACEUTICAL FRONTS 2021. [DOI: 10.1055/s-0041-1741035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
AbstractMedicinal inorganic chemistry involving the utilization of metal-based compounds as therapeutics has become a field showing distinct promise. DNA and RNA are ideal drug targets for therapeutic intervention in the case of various diseases, such as cancer and microbial infection. Metals play a vital role in medicine, with at least 10 metals known to be essential for human life and a further 46 nonessential metals having been involved in drug therapies and diagnosis. These metal-based complexes interact with DNA in various ways, and are often delivered as prodrugs which undergo activation in vivo. Metal complexes cause DNA crosslinking, leading to the inhibition of DNA synthesis and repair. In this review, the various interactions of metal complexes with DNA nucleic acids, as well as the underlying mechanism of action, were highlighted. Furthermore, we also discussed various tools used to investigate the interaction between metal complexes and the DNA. The tools included in vitro techniques such as spectroscopy and electrophoresis, and in silico studies such as protein docking and density-functional theory that are highlighted for preclinical development.
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Affiliation(s)
| | - Hadley S. Clayton
- Department of Chemistry, University of South Africa, Pretoria, South Africa
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Zharkova MS, Golubeva OY, Orlov DS, Vladimirova EV, Dmitriev AV, Tossi A, Shamova OV. Silver Nanoparticles Functionalized With Antimicrobial Polypeptides: Benefits and Possible Pitfalls of a Novel Anti-infective Tool. Front Microbiol 2021; 12:750556. [PMID: 34975782 PMCID: PMC8719061 DOI: 10.3389/fmicb.2021.750556] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 11/22/2021] [Indexed: 12/13/2022] Open
Abstract
Silver nanoparticles (AgNPs) and antimicrobial peptides or proteins (AMPs/APs) are both considered as promising platforms for the development of novel therapeutic agents effective against the growing number of drug-resistant pathogens. The observed synergy of their antibacterial activity suggested the prospect of introducing antimicrobial peptides or small antimicrobial proteins into the gelatinized coating of AgNPs. Conjugates with protegrin-1, indolicidin, protamine, histones, and lysozyme were comparatively tested for their antibacterial properties and compared with unconjugated nanoparticles and antimicrobial polypeptides alone. Their toxic effects were similarly tested against both normal eukaryotic cells (human erythrocytes, peripheral blood mononuclear cells, neutrophils, and dermal fibroblasts) and tumor cells (human erythromyeloid leukemia K562 and human histiocytic lymphoma U937 cell lines). The AMPs/APs retained their ability to enhance the antibacterial activity of AgNPs against both Gram-positive and Gram-negative bacteria, including drug-resistant strains, when conjugated to the AgNP surface. The small, membranolytic protegrin-1 was the most efficient, suggesting that a short, rigid structure is not a limiting factor despite the constraints imposed by binding to the nanoparticle. Some of the conjugated AMPs/APs clearly affected the ability of nanoparticle to permeabilize the outer membrane of Escherichia coli, but none of the conjugated AgNPs acquired the capacity to permeabilize its cytoplasmic membrane, regardless of the membranolytic potency of the bound polypeptide. Low hemolytic activity was also found for all AgNP-AMP/AP conjugates, regardless of the hemolytic activity of the free polypeptides, making conjugation a promising strategy not only to enhance their antimicrobial potential but also to effectively reduce the toxicity of membranolytic AMPs. The observation that metabolic processes and O2 consumption in bacteria were efficiently inhibited by all forms of AgNPs is the most likely explanation for their rapid and bactericidal action. AMP-dependent properties in the activity pattern of various conjugates toward eukaryotic cells suggest that immunomodulatory, wound-healing, and other effects of the polypeptides are at least partially transferred to the nanoparticles, so that functionalization of AgNPs may have effects beyond just modulation of direct antibacterial activity. In addition, some conjugated nanoparticles are selectively toxic to tumor cells. However, caution is required as not all modulatory effects are necessarily beneficial to normal host cells.
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Affiliation(s)
- Maria S. Zharkova
- World-Class Research Center “Center for Personalized Medicine”, FSBSI Institute of Experimental Medicine, Saint Petersburg, Russia
| | - Olga Yu. Golubeva
- Laboratory of the Nanostructures Research, Institute of Silicate Chemistry, Russian Academy of Sciences, Saint Petersburg, Russia
| | - Dmitriy S. Orlov
- World-Class Research Center “Center for Personalized Medicine”, FSBSI Institute of Experimental Medicine, Saint Petersburg, Russia
| | - Elizaveta V. Vladimirova
- World-Class Research Center “Center for Personalized Medicine”, FSBSI Institute of Experimental Medicine, Saint Petersburg, Russia
| | - Alexander V. Dmitriev
- World-Class Research Center “Center for Personalized Medicine”, FSBSI Institute of Experimental Medicine, Saint Petersburg, Russia
| | - Alessandro Tossi
- Department of Life Sciences, University of Trieste, Trieste, Italy
| | - Olga V. Shamova
- World-Class Research Center “Center for Personalized Medicine”, FSBSI Institute of Experimental Medicine, Saint Petersburg, Russia
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Bazaid AS, Aldarhami A, Gattan H, Aljuhani B. Saudi Honey: A Promising Therapeutic Agent for Treating Wound Infections. Cureus 2021; 13:e18882. [PMID: 34804730 PMCID: PMC8599116 DOI: 10.7759/cureus.18882] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/19/2021] [Indexed: 12/20/2022] Open
Abstract
Treatment of wounds, especially chronic ones, is a major challenge in healthcare, with serious clinical and economic burdens. Multiple treatment approaches, including the usage of silver and iodine, have dramatically improved wound healing and reduced the incidence of infection. However, once infected by drug-resistant bacteria, treatment of wounds becomes a serious complication, with limited availability of effective antibiotic drugs, leading to high morbidity and mortality. Therefore, alternative therapeutic agents are required to address this gap in wound management. The introduction of manuka honey as a therapeutic agent against infected wounds was the result of extensive research about its activity against both planktonic and biofilm bacterial growth. Likewise, several types of Saudi honey (e.g., Sidr and Talh) showed promising in vitro and in vivo antimicrobial activity against wound pathogens. This short review summarizes literature that investigated the activity of common types of Saudi honey in relation to wound infections and explores their clinical utility.
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Affiliation(s)
- Abdulrahman S Bazaid
- Clinical Laboratory Sciences, College of Applied Medical Sciences, University of Hail, Hail, SAU
| | - Abdu Aldarhami
- Medical Microbiology, Qunfudah Faculty of Medicine, Umm Al-Qura University, Al-Qunfudah, SAU
| | - Hattan Gattan
- Medical Laboratory Sciences, King Abdulaziz University, Jeddah, SAU
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Tinajero-Díaz E, Salado-Leza D, Gonzalez C, Martínez Velázquez M, López Z, Bravo-Madrigal J, Knauth P, Flores-Hernández FY, Herrera-Rodríguez SE, Navarro RE, Cabrera-Wrooman A, Krötzsch E, Carvajal ZYG, Hernández-Gutiérrez R. Green Metallic Nanoparticles for Cancer Therapy: Evaluation Models and Cancer Applications. Pharmaceutics 2021; 13:1719. [PMID: 34684012 PMCID: PMC8537602 DOI: 10.3390/pharmaceutics13101719] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/29/2021] [Accepted: 10/05/2021] [Indexed: 12/15/2022] Open
Abstract
Metal-based nanoparticles are widely used to deliver bioactive molecules and drugs to improve cancer therapy. Several research works have highlighted the synthesis of gold and silver nanoparticles by green chemistry, using biological entities to minimize the use of solvents and control their physicochemical and biological properties. Recent advances in evaluating the anticancer effect of green biogenic Au and Ag nanoparticles are mainly focused on the use of conventional 2D cell culture and in vivo murine models that allow determination of the half-maximal inhibitory concentration, a critical parameter to move forward clinical trials. However, the interaction between nanoparticles and the tumor microenvironment is not yet fully understood. Therefore, it is necessary to develop more human-like evaluation models or to improve the existing ones for a better understanding of the molecular bases of cancer. This review provides recent advances in biosynthesized Au and Ag nanoparticles for seven of the most common and relevant cancers and their biological assessment. In addition, it provides a general idea of the in silico, in vitro, ex vivo, and in vivo models used for the anticancer evaluation of green biogenic metal-based nanoparticles.
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Affiliation(s)
- Ernesto Tinajero-Díaz
- Departament d’Enginyeria Química, Universitat Politècnica de Catalunya, ETSEIB, Diagonal 647, 08028 Barcelona, Spain;
- Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Av. Normalistas 800, Col. Colinas de La Normal, Guadalajara 44270, Mexico; (M.M.V.); (J.B.-M.); (F.Y.F.-H.); (S.E.H.-R.)
| | - Daniela Salado-Leza
- Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava, Zona Universitaria, San Luis Potosí 78210, Mexico; (D.S.-L.); (C.G.)
- Cátedras CONACyT, México City 03940, Mexico
| | - Carmen Gonzalez
- Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava, Zona Universitaria, San Luis Potosí 78210, Mexico; (D.S.-L.); (C.G.)
| | - Moisés Martínez Velázquez
- Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Av. Normalistas 800, Col. Colinas de La Normal, Guadalajara 44270, Mexico; (M.M.V.); (J.B.-M.); (F.Y.F.-H.); (S.E.H.-R.)
| | - Zaira López
- Centro Universitario de la Ciénega, Cell Biology Laboratory, Universidad de Guadalajara, Av. Universidad 1115, Ocotlán 47810, Mexico; (Z.L.); (P.K.)
| | - Jorge Bravo-Madrigal
- Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Av. Normalistas 800, Col. Colinas de La Normal, Guadalajara 44270, Mexico; (M.M.V.); (J.B.-M.); (F.Y.F.-H.); (S.E.H.-R.)
| | - Peter Knauth
- Centro Universitario de la Ciénega, Cell Biology Laboratory, Universidad de Guadalajara, Av. Universidad 1115, Ocotlán 47810, Mexico; (Z.L.); (P.K.)
| | - Flor Y. Flores-Hernández
- Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Av. Normalistas 800, Col. Colinas de La Normal, Guadalajara 44270, Mexico; (M.M.V.); (J.B.-M.); (F.Y.F.-H.); (S.E.H.-R.)
| | - Sara Elisa Herrera-Rodríguez
- Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Av. Normalistas 800, Col. Colinas de La Normal, Guadalajara 44270, Mexico; (M.M.V.); (J.B.-M.); (F.Y.F.-H.); (S.E.H.-R.)
| | - Rosa E. Navarro
- Departamento de Biología Celular y Desarrollo, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Ciudad Universitaria, México City 04510, Mexico;
| | - Alejandro Cabrera-Wrooman
- Centro Nacional de Investigación y Atención de Quemados, Laboratory of Connective Tissue, Instituto Nacional de Rehabilitación “Luis Guillermo Ibarra Ibarra”, México City 14389, Mexico; (A.C.-W.); (E.K.)
| | - Edgar Krötzsch
- Centro Nacional de Investigación y Atención de Quemados, Laboratory of Connective Tissue, Instituto Nacional de Rehabilitación “Luis Guillermo Ibarra Ibarra”, México City 14389, Mexico; (A.C.-W.); (E.K.)
| | - Zaira Y. García Carvajal
- Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Av. Normalistas 800, Col. Colinas de La Normal, Guadalajara 44270, Mexico; (M.M.V.); (J.B.-M.); (F.Y.F.-H.); (S.E.H.-R.)
| | - Rodolfo Hernández-Gutiérrez
- Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, A.C., Av. Normalistas 800, Col. Colinas de La Normal, Guadalajara 44270, Mexico; (M.M.V.); (J.B.-M.); (F.Y.F.-H.); (S.E.H.-R.)
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Khalil MA, El Maghraby GM, Sonbol FI, Allam NG, Ateya PS, Ali SS. Enhanced Efficacy of Some Antibiotics in Presence of Silver Nanoparticles Against Multidrug Resistant Pseudomonas aeruginosa Recovered From Burn Wound Infections. Front Microbiol 2021; 12:648560. [PMID: 34616370 PMCID: PMC8488261 DOI: 10.3389/fmicb.2021.648560] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 08/20/2021] [Indexed: 11/28/2022] Open
Abstract
Burn wound infections with multidrug-resistant (MDR) bacteria are shown in many countries as severe widespread health threats. Consequently, attention has been devoted to new nanoparticle-based materials in the field of antimicrobial chemotherapy for burn wound infections. This study aimed to evaluate both in vitro and in vivo efficacies of nanoparticle–antibiotic combinations as new classes of materials subjected against MDR Pseudomonas aeruginosa. Out of 40 Gram-negative isolates, 23 P. aeruginosa were recovered from patients with burn wound infections attending different hospitals in Tanta, Egypt. The susceptibility test revealed that 95.7% of P. aeruginosa isolates were MDR with a high incidence of resistance against carbenicillin. Antibacterial activities of silver nanoparticles (Ag-NPs) against the isolates examined showed various inhibition zone diameters ranging from 11 to 17 mm. Strong synergistic efficacy of neomycin was reported in combination with Ag-NPs against MDR P. aeruginosa P8 and P14 isolates. The in vivo effectiveness of various pharmaceutical formulations prepared from a combination of neomycin antibiotic with Ag-NPs in the treatment of induced bacterially infected mice burns showed that maximum healing activity along with faster wound contraction reported with the combination of neomycin-Ag-NPs in the spray formulation. Generally, data indicated that incorporating Ag-NPs in combination with certain antibiotics may be a new, promising application for wound treatments, especially burns infected with MDR P. aeruginosa.
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Affiliation(s)
- Maha A Khalil
- Biology Department, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia.,Botany and Microbiology Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt
| | - Gamal M El Maghraby
- Pharmaceutical Technology Department, Faculty of Pharmacy, Tanta University, Tanta, 31527, Egypt
| | - Fatma I Sonbol
- Pharmaceutical Microbiology Department, Faculty of Pharmacy, Tanta University, Tanta, 31527, Egypt
| | - Nanis G Allam
- Biology Department, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Perihan S Ateya
- Biology Department, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Sameh S Ali
- Botany and Microbiology Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt.,Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
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Haj Bloukh S, Edis Z, Abu Sara H, Alhamaidah MA. Antimicrobial Properties of Lepidium sativum L. Facilitated Silver Nanoparticles. Pharmaceutics 2021; 13:pharmaceutics13091352. [PMID: 34575428 PMCID: PMC8466285 DOI: 10.3390/pharmaceutics13091352] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/21/2021] [Accepted: 08/23/2021] [Indexed: 12/23/2022] Open
Abstract
Antibiotic resistance toward commonly used medicinal drugs is a dangerously growing threat to our existence. Plants are naturally equipped with a spectrum of biomolecules and metabolites with important biological activities. These natural compounds constitute a treasure in the fight against multidrug-resistant microorganisms. The development of plant-based antimicrobials through green synthesis may deliver alternatives to common drugs. Lepidium sativum L. (LS) is widely available throughout the world as a fast-growing herb known as garden cress. LS seed oil is interesting due to its antimicrobial, antioxidant, and anti-inflammatory activities. Nanotechnology offers a plethora of applications in the health sector. Silver nanoparticles (AgNP) are used due to their antimicrobial properties. We combined LS and AgNP to prevent microbial resistance through plant-based synergistic mechanisms within the nanomaterial. AgNP were prepared by a facile one-pot synthesis through plant-biomolecules-induced reduction of silver nitrate via a green method. The phytochemicals in the aqueous LS extract act as reducing, capping, and stabilizing agents of AgNP. The composition of the LS-AgNP biohybrids was confirmed by analytical methods. Antimicrobial testing against 10 reference strains of pathogens exhibited excellent to intermediate antimicrobial activity. The bio-nanohybrid LS-AgNP has potential uses as a broad-spectrum microbicide, disinfectant, and wound care product.
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Affiliation(s)
- Samir Haj Bloukh
- Department of Clinical Sciences, College of Pharmacy and Health Science, Ajman University, Ajman P.O. Box 346, United Arab Emirates; (S.H.B.); (H.A.S.); (M.A.A.)
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman P.O. Box 346, United Arab Emirates
| | - Zehra Edis
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman P.O. Box 346, United Arab Emirates
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Science, Ajman University, Ajman P.O. Box 346, United Arab Emirates
- Correspondence:
| | - Hamid Abu Sara
- Department of Clinical Sciences, College of Pharmacy and Health Science, Ajman University, Ajman P.O. Box 346, United Arab Emirates; (S.H.B.); (H.A.S.); (M.A.A.)
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Science, Ajman University, Ajman P.O. Box 346, United Arab Emirates
| | - Mustafa Ameen Alhamaidah
- Department of Clinical Sciences, College of Pharmacy and Health Science, Ajman University, Ajman P.O. Box 346, United Arab Emirates; (S.H.B.); (H.A.S.); (M.A.A.)
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Nainu F, Permana AD, Djide NJN, Anjani QK, Utami RN, Rumata NR, Zhang J, Emran TB, Simal-Gandara J. Pharmaceutical Approaches on Antimicrobial Resistance: Prospects and Challenges. Antibiotics (Basel) 2021; 10:981. [PMID: 34439031 PMCID: PMC8388863 DOI: 10.3390/antibiotics10080981] [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: 07/24/2021] [Revised: 08/07/2021] [Accepted: 08/12/2021] [Indexed: 02/06/2023] Open
Abstract
The rapid increase in pathogenic microorganisms with antimicrobial resistant profiles has become a significant public health problem globally. The management of this issue using conventional antimicrobial preparations frequently results in an increase in pathogen resistance and a shortage of effective antimicrobials for future use against the same pathogens. In this review, we discuss the emergence of AMR and argue for the importance of addressing this issue by discovering novel synthetic or naturally occurring antibacterial compounds and providing insights into the application of various drug delivery approaches, delivered through numerous routes, in comparison with conventional delivery systems. In addition, we discuss the effectiveness of these delivery systems in different types of infectious diseases associated with antimicrobial resistance. Finally, future considerations in the development of highly effective antimicrobial delivery systems to combat antimicrobial resistance are presented.
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Affiliation(s)
- Firzan Nainu
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Sulawesi Selatan, Indonesia; (A.D.P.); (N.J.N.D.); (Q.K.A.); (R.N.U.); (N.R.R.)
| | - Andi Dian Permana
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Sulawesi Selatan, Indonesia; (A.D.P.); (N.J.N.D.); (Q.K.A.); (R.N.U.); (N.R.R.)
| | - Nana Juniarti Natsir Djide
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Sulawesi Selatan, Indonesia; (A.D.P.); (N.J.N.D.); (Q.K.A.); (R.N.U.); (N.R.R.)
| | - Qonita Kurnia Anjani
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Sulawesi Selatan, Indonesia; (A.D.P.); (N.J.N.D.); (Q.K.A.); (R.N.U.); (N.R.R.)
- Medical Biology Centre, School of Pharmacy, Queen’s University Belfast, Belfast BT9 7BL, UK
| | - Rifka Nurul Utami
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Sulawesi Selatan, Indonesia; (A.D.P.); (N.J.N.D.); (Q.K.A.); (R.N.U.); (N.R.R.)
- Institute of Pharmaceutical Science, King’s College of London, London SE1 9NH, UK
| | - Nur Rahma Rumata
- Faculty of Pharmacy, Hasanuddin University, Makassar 90245, Sulawesi Selatan, Indonesia; (A.D.P.); (N.J.N.D.); (Q.K.A.); (R.N.U.); (N.R.R.)
- Sekolah Tinggi Ilmu Farmasi Makassar, Makassar 90242, Sulawesi Selatan, Indonesia
| | - Jianye Zhang
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State & NMPA Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & The Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, China;
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh
| | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo–Ourense Campus, E32004 Ourense, Spain
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