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Salas-Orozco MF, Lorenzo-Leal AC, de Alba Montero I, Marín NP, Santana MAC, Bach H. Mechanism of escape from the antibacterial activity of metal-based nanoparticles in clinically relevant bacteria: A systematic review. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2024; 55:102715. [PMID: 37907198 DOI: 10.1016/j.nano.2023.102715] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 08/05/2023] [Accepted: 10/05/2023] [Indexed: 11/02/2023]
Abstract
The emergency of antibiotic-resistant bacteria in severe infections is increasing, especially in nosocomial environments. The ESKAPE group is of special importance in the groups of multi-resistant bacteria due to its high capacity to generate resistance to antibiotics and bactericides. Therefore, metal-based nanomaterials are an attractive alternative to combat them because they have been demonstrated to damage biomolecules in the bacterial cells. However, there is a concern about bacteria developing resistance to NPs and their harmful effects due to environmental accumulation. Therefore, this systematic review aims to report the clinically relevant bacteria that have developed resistance to the NPs. According to the results of this systematic review, various mechanisms to counteract the antimicrobial activity of various NP types have been proposed. These mechanisms can be grouped into the following categories: production of extracellular compounds, metal efflux pumps, ROS response, genetic changes, DNA repair, adaptative morphogenesis, and changes in the plasma membrane.
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Affiliation(s)
- Marco Felipe Salas-Orozco
- Facultad de Estomatología, Doctorado en Ciencias Odontológicas, Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico.
| | - Ana Cecilia Lorenzo-Leal
- Division of Infectious Diseases, Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | | | - Nuria Patiño Marín
- Facultad de Estomatología, Laboratorio de Investigación Clinica, Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico
| | - Miguel Angel Casillas Santana
- Maestría en Estomatología con Opcion Terminal en Ortodoncia, Facultad de Estomatología, Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
| | - Horacio Bach
- Division of Infectious Diseases, Department of Medicine, University of British Columbia, Vancouver, BC, Canada.
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2
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Chopra H, Mohanta YK, Rauta PR, Ahmed R, Mahanta S, Mishra PK, Panda P, Rabaan AA, Alshehri AA, Othman B, Alshahrani MA, Alqahtani AS, AL Basha BA, Dhama K. An Insight into Advances in Developing Nanotechnology Based Therapeutics, Drug Delivery, Diagnostics and Vaccines: Multidimensional Applications in Tuberculosis Disease Management. Pharmaceuticals (Basel) 2023; 16:581. [PMID: 37111338 PMCID: PMC10145450 DOI: 10.3390/ph16040581] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/23/2023] [Accepted: 03/25/2023] [Indexed: 04/29/2023] Open
Abstract
Tuberculosis (TB), one of the deadliest contagious diseases, is a major concern worldwide. Long-term treatment, a high pill burden, limited compliance, and strict administration schedules are all variables that contribute to the development of MDR and XDR tuberculosis patients. The rise of multidrug-resistant strains and a scarcity of anti-TB medications pose a threat to TB control in the future. As a result, a strong and effective system is required to overcome technological limitations and improve the efficacy of therapeutic medications, which is still a huge problem for pharmacological technology. Nanotechnology offers an interesting opportunity for accurate identification of mycobacterial strains and improved medication treatment possibilities for tuberculosis. Nano medicine in tuberculosis is an emerging research field that provides the possibility of efficient medication delivery using nanoparticles and a decrease in drug dosages and adverse effects to boost patient compliance with therapy and recovery. Due to their fascinating characteristics, this strategy is useful in overcoming the abnormalities associated with traditional therapy and leads to some optimization of the therapeutic impact. It also decreases the dosing frequency and eliminates the problem of low compliance. To develop modern diagnosis techniques, upgraded treatment, and possible prevention of tuberculosis, the nanoparticle-based tests have demonstrated considerable advances. The literature search was conducted using Scopus, PubMed, Google Scholar, and Elsevier databases only. This article examines the possibility of employing nanotechnology for TB diagnosis, nanotechnology-based medicine delivery systems, and prevention for the successful elimination of TB illnesses.
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Affiliation(s)
- Hitesh Chopra
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India
| | - Yugal Kishore Mohanta
- Nanobiotechnology and Translational Knowledge Laboratory, Department of Applied Biology, School of Biological Sciences, University of Science and Technology Meghalaya (USTM), Techno City, 9th Mile, Ri-Bhoi, Baridua 793101, Meghalaya, India
| | | | - Ramzan Ahmed
- Nanobiotechnology and Translational Knowledge Laboratory, Department of Applied Biology, School of Biological Sciences, University of Science and Technology Meghalaya (USTM), Techno City, 9th Mile, Ri-Bhoi, Baridua 793101, Meghalaya, India
- Department of Physics, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand
| | - Saurov Mahanta
- National Institute of Electronics and Information Technology (NIELIT), Guwahati Centre, Guwahati 781008, Assam, India
| | | | - Paramjot Panda
- School of Biological Sciences, AIPH University, Bhubaneswar 754001, Odisha, India
| | - Ali A. Rabaan
- Molecular Diagnostic Laboratory, Johns Hopkins Aramco Healthcare, Dhahran 31311, Saudi Arabia
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia
- Department of Public Health and Nutrition, The University of Haripur, Haripur 22610, Pakistan
| | - Ahmad A. Alshehri
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, Najran 61441, Saudi Arabia
| | - Basim Othman
- Department of Public Health, Faculty of Applied Medical Sciences, Albaha University, Albaha 65779, Saudi Arabia
| | - Mohammed Abdulrahman Alshahrani
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, Najran 61441, Saudi Arabia
| | - Ali S. Alqahtani
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Khalid University, Abha 61481, Saudi Arabia
| | - Baneen Ali AL Basha
- Laboratory Department, King Fahad Specialist Hospital, Dammam 32253, Saudi Arabia
| | - Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly 243122, Uttar Pradesh, India
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3
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Navarro A, Sanseverino I, Cappelli F, Lahm A, Niegowska M, Fabbri M, Paracchini V, Petrillo M, Skejo H, Valsecchi S, Pedraccini R, Guglielmetti S, Frattini S, Villani G, Lettieri T. Study of antibiotic resistance in freshwater ecosystems with low anthropogenic impact. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159378. [PMID: 36272475 DOI: 10.1016/j.scitotenv.2022.159378] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/28/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
This study aimed to investigate the bacterial diversity and the background level of antibiotic resistance in two freshwater ecosystems with low anthropogenic impact in order to evaluate the presence of natural antimicrobial resistance in these areas and its potential to spread downstream. Water samples from a pre-Alpine and an Apennine river (Variola and Tiber, respectively) were collected in three different sampling campaigns and bacterial diversity was assessed by 16S sequencing, while the presence of bacteria resistant to five antibiotics was screened using a culturable approach. Overall bacterial load was higher in the Tiber River compared with the Variola River. Furthermore, the study revealed the presence of resistant bacteria, especially the Tiber River showed, for each sampling, the presence of resistance to all antibiotics tested, while for the Variola River, the detected resistance was variable, comprising two or more antibiotics. Screening of two resistance genes on a total of one hundred eighteen bacterial isolates from the two rivers showed that blaTEM, conferring resistance to β-lactam antibiotics, was dominant and present in ~58 % of isolates compared to only ~9 % for mefA/E conferring resistance to macrolides. Moreover, β-lactam resistance was detected in various isolates showing also resistance to additional antibiotics such as macrolides, aminoglycosides and tetracyclines. These observations would suggest the presence of co-resistant bacteria even in non-anthropogenic environments and this resistance may spread from the environment to humans and/or animals.
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Affiliation(s)
- Anna Navarro
- European Commission Joint Research Centre, Via E. Fermi 2749, 21027 Ispra, VA, Italy
| | - Isabella Sanseverino
- European Commission Joint Research Centre, Via E. Fermi 2749, 21027 Ispra, VA, Italy
| | - Francesca Cappelli
- Department of Science and High Technology, University of Insubria, Via Valleggio 11, 22100 Como, Italy; Water Research Institute IRSA-CNR, Via del Mulino 19, Brugherio 20861, MB, Italy
| | - Armin Lahm
- Bioinformatic project support, P.za S.M. Liberatrice 18, 00153 Roma, Italy
| | - Magdalena Niegowska
- European Commission Joint Research Centre, Via E. Fermi 2749, 21027 Ispra, VA, Italy
| | - Marco Fabbri
- European Commission Joint Research Centre, Via E. Fermi 2749, 21027 Ispra, VA, Italy
| | - Valentina Paracchini
- European Commission Joint Research Centre, Via E. Fermi 2749, 21027 Ispra, VA, Italy
| | | | - Helle Skejo
- European Commission Joint Research Centre, Via E. Fermi 2749, 21027 Ispra, VA, Italy
| | - Sara Valsecchi
- Water Research Institute IRSA-CNR, Via del Mulino 19, Brugherio 20861, MB, Italy
| | | | | | | | - Gabriella Villani
- Energy and Sustainable Economic Development (ENEA), Via E. Fermi 2749, 21027 Ispra, VA, Italy
| | - Teresa Lettieri
- European Commission Joint Research Centre, Via E. Fermi 2749, 21027 Ispra, VA, Italy.
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Yonathan K, Mann R, Mahbub KR, Gunawan C. The impact of silver nanoparticles on microbial communities and antibiotic resistance determinants in the environment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 293:118506. [PMID: 34793904 DOI: 10.1016/j.envpol.2021.118506] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 10/14/2021] [Accepted: 11/13/2021] [Indexed: 06/13/2023]
Abstract
Nanosilver (NAg) is currently one of the major alternative antimicrobials to control microorganisms. With its broad-spectrum efficacy and lucrative commercial values, NAg has been used in medical devices and increasingly, in consumer products and appliances. This widespread use has inevitably led to the release and accumulation of the nanoparticle in water and sediment, in soil and even, wastewater treatment plants (WWTPs). This Article describes the physical and chemical transformations of NAg as well as the impact of the nanoparticle on microbial communities in different environmental settings; how the nanoparticle shifts not only the diversity and abundance of microbes, including those that are important in nitrogen cycles and decomposition of organic matters, but also their associated genes and in turn, the key metabolic processes. Current findings on the microbiological activity of the leached soluble silver, solid silver particulates and their respective transformed products, which underpin the mechanism of the nanoparticle toxicity in environmental microbes, is critically discussed. The Article also addresses the emerging evidence of silver-driven co-selection of antibiotic resistance determinants. The mechanism has been linked to the increasing pools of many antibiotic resistance genes already detected in samples from different environmental settings, which could ultimately find their ways to animals and human. The realized ecological impact of NAg calls for more judicial use of the nanoparticle. The generated knowledge can inform strategies for a better 'risks versus benefits' assessment of NAg applications, including the disposal stage.
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Affiliation(s)
- Kevin Yonathan
- iThree Institute, University of Technology Sydney, 15 Broadway, Ultimo, NSW 2007, Australia
| | - Riti Mann
- iThree Institute, University of Technology Sydney, 15 Broadway, Ultimo, NSW 2007, Australia
| | - Khandaker Rayhan Mahbub
- School of Life Sciences, University of Technology Sydney, 15 Broadway, Ultimo, NSW 2007, Australia; South Australian Research and Development Institute, Primary Industries and Regions SA, Urrbrae, SA 5064, Australia
| | - Cindy Gunawan
- iThree Institute, University of Technology Sydney, 15 Broadway, Ultimo, NSW 2007, Australia; School of Chemical Engineering, University of New South Wales, NSW 2052, Australia.
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Simões MF, Ottoni CA, Antunes A. Mycogenic Metal Nanoparticles for the Treatment of Mycobacterioses. Antibiotics (Basel) 2020; 9:E569. [PMID: 32887358 PMCID: PMC7559022 DOI: 10.3390/antibiotics9090569] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/31/2020] [Accepted: 08/31/2020] [Indexed: 12/23/2022] Open
Abstract
Mycobacterial infections are a resurgent and increasingly relevant problem. Within these, tuberculosis (TB) is particularly worrying as it is one of the top ten causes of death in the world and is the infectious disease that causes the highest number of deaths. A further concern is the on-going emergence of antimicrobial resistance, which seriously limits treatment. The COVID-19 pandemic has worsened current circumstances and future infections will be more incident. It is urgent to plan, draw solutions, and act to mitigate these issues, namely by exploring new approaches. The aims of this review are to showcase the extensive research and application of silver nanoparticles (AgNPs) and other metal nanoparticles (MNPs) as antimicrobial agents. We highlight the advantages of mycogenic synthesis, and report on their underexplored potential as agents in the fight against all mycobacterioses (non-tuberculous mycobacterial infections as well as TB). We propose further exploration of this field.
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Affiliation(s)
- Marta Filipa Simões
- State Key Laboratory of Lunar and Planetary Sciences, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau SAR, China;
| | | | - André Antunes
- State Key Laboratory of Lunar and Planetary Sciences, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau SAR, China;
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6
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Dissemond J, Steinmann J, Münter KC, Brill H, Böttrich JG, Braunwarth H, Schümmelfeder F, Wilken P. Risk and clinical impact of bacterial resistance/susceptibility to silver-based wound dressings: a systematic review. J Wound Care 2020; 29:221-234. [PMID: 32281507 DOI: 10.12968/jowc.2020.29.4.221] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Objective: To perform a systematic review of the literature on bacterial resistance, tolerance and susceptibility of silver within the context of wound therapy using silver-based dressings. Methods: A literature search was carried out using PubMed, Embase and Cochrane Library databases, the focus was whether results from microbiological experimental in vitro tests with reference strains and clinical wound isolates are reflected in clinical practice with regards to their ‘resistance’ profiles, comparable with those observed for antibiotics. The search results were allocated to six categories: resistance and resistance mechanism, in vitro tests with standard strains and wound isolates, prevalence and incidence, impact on clinical practice and impact on antibiotic therapy as well as reviews, expert opinions and consensus. Results: Based on all findings of the literature, it cannot be confirmed that a related clinical resistance to silver-ions in silver-based dressings has clinical impact, although endogenous and exogenous genetic resistance patterns have been described and intensively investigated. A translation of these genetic resistance-expression structures to phenotypic appearances, similar to those known for antibiotics, has not been demonstrated for silver in the literature. Conclusion: It can be concluded that there is no definitive evidence available and further studies should be conducted.
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Affiliation(s)
- Joachim Dissemond
- Department of Dermatology, Venerology and Allergology, University of Essen, Essen, Germany
| | - Jörg Steinmann
- Institute for Clinical Hygiene, Medical Microbiology and Clinical Infectiology, Paracelsus Medical Private University, Nuremberg Hospital, Nuremberg (Nürnberg), Germany
| | | | - Holger Brill
- Institute of Hygiene and Microbiology, Hamburg, Germany
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7
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Tăbăran AF, Matea CT, Mocan T, Tăbăran A, Mihaiu M, Iancu C, Mocan L. Silver Nanoparticles for the Therapy of Tuberculosis. Int J Nanomedicine 2020; 15:2231-2258. [PMID: 32280217 PMCID: PMC7127828 DOI: 10.2147/ijn.s241183] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 02/15/2020] [Indexed: 12/12/2022] Open
Abstract
Rapid emergence of aggressive, multidrug-resistant Mycobacteria strain represents the main cause of the current antimycobacterial-drug crisis and status of tuberculosis (TB) as a major global health problem. The relatively low-output of newly approved antibiotics contributes to the current orientation of research towards alternative antibacterial molecules such as advanced materials. Nanotechnology and nanoparticle research offers several exciting new-concepts and strategies which may prove to be valuable tools in improving the TB therapy. A new paradigm in antituberculous therapy using silver nanoparticles has the potential to overcome the medical limitations imposed in TB treatment by the drug resistance which is commonly reported for most of the current organic antibiotics. There is no doubt that AgNPs are promising future therapeutics for the medication of mycobacterial-induced diseases but the viability of this complementary strategy depends on overcoming several critical therapeutic issues as, poor delivery, variable intramacrophagic antimycobacterial efficiency, and residual toxicity. In this paper, we provide an overview of the pathology of mycobacterial-induced diseases, andhighlight the advantages and limitations of silver nanoparticles (AgNPs) in TB treatment.
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Affiliation(s)
- Alexandru-Flaviu Tăbăran
- Department of Pathology, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania
- Department of Nanomedicine, Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania
| | - Cristian Tudor Matea
- Department of Nanomedicine, Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania
| | - Teodora Mocan
- Department of Nanomedicine, Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania
- Department of Physiology, University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Alexandra Tăbăran
- Department of Public Health and Food Hygiene, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania
| | - Marian Mihaiu
- Department of Public Health and Food Hygiene, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania
| | - Cornel Iancu
- Department of Nanomedicine, Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania
- Third Surgery Department, University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Lucian Mocan
- Department of Nanomedicine, Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania
- Department of Physiology, University of Medicine and Pharmacy, Cluj-Napoca, Romania
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8
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Minakshi P, Ghosh M, Brar B, Kumar R, Lambe UP, Ranjan K, Manoj J, Prasad G. Nano-antimicrobials: A New Paradigm for Combating Mycobacterial Resistance. Curr Pharm Des 2020; 25:1554-1579. [PMID: 31218956 DOI: 10.2174/1381612825666190620094041] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 06/11/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Mycobacterium group contains several pathogenic bacteria including M. tuberculosis where the emergence of multidrug-resistant tuberculosis (MDR-TB) and extensively drug-resistant tuberculosis (XDR-TB) is alarming for human and animal health around the world. The condition has further aggravated due to the speed of discovery of the newer drugs has been outpaced by the rate of resistance developed in microorganisms, thus requiring alternative combat strategies. For this purpose, nano-antimicrobials have emerged as a potential option. OBJECTIVE The current review is focused on providing a detailed account of nanocarriers like liposome, micelles, dendrimers, solid lipid NPs, niosomes, polymeric nanoparticles, nano-suspensions, nano-emulsion, mesoporous silica and alginate-based drug delivery systems along with the recent updates on developments regarding nanoparticle-based therapeutics, vaccines and diagnostic methods developed or under pipeline with their potential benefits and limitations to combat mycobacterial diseases for their successful eradication from the world in future. RESULTS Distinct morphology and the underlying mechanism of pathogenesis and resistance development in this group of organisms urge improved and novel methods for the early and efficient diagnosis, treatment and vaccination to eradicate the disease. Recent developments in nanotechnology have the potential to meet both the aspects: nano-materials are proven components of several efficient targeted drug delivery systems and the typical physicochemical properties of several nano-formulations have shown to possess distinct bacteriocidal properties. Along with the therapeutic aspects, nano-vaccines and theranostic applications of nano-formulations have grown in popularity in recent times as an effective alternative means to combat different microbial superbugs. CONCLUSION Nanomedicine holds a bright prospect to perform a key role in global tuberculosis elimination program.
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Affiliation(s)
- Prasad Minakshi
- Department of Animal Biotechnology, LLR University of Veterinary and Animal Sciences, Hisar-125 004, Haryana, India
| | - Mayukh Ghosh
- Department of Veterinary Biochemistry, Ranchi Veterinary College, Birsa Agricultural University, Ranchi-834 006, Jharkhand, India
| | - Basanti Brar
- Department of Animal Biotechnology, LLR University of Veterinary and Animal Sciences, Hisar-125 004, Haryana, India
| | - Rajesh Kumar
- Department of Veterinary Physiology, COVAS, KVASU, Pookode, Wayanad- 673576, Kerala, India
| | - Upendra P Lambe
- Department of Animal Biotechnology, LLR University of Veterinary and Animal Sciences, Hisar-125 004, Haryana, India
| | | | - Jinu Manoj
- RVDEC Mahendergarh, LUVAS, Haryana, India
| | - Gaya Prasad
- SVP University of Agriculture and Technology, Meerut, India
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9
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Lu J, Wang Y, Jin M, Yuan Z, Bond P, Guo J. Both silver ions and silver nanoparticles facilitate the horizontal transfer of plasmid-mediated antibiotic resistance genes. WATER RESEARCH 2020; 169:115229. [PMID: 31783256 DOI: 10.1016/j.watres.2019.115229] [Citation(s) in RCA: 156] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 08/04/2019] [Accepted: 10/24/2019] [Indexed: 05/21/2023]
Abstract
Antibiotic resistance in bacteria is a growing threat to global human health. Horizontal gene transfer (HGT) of antibiotic resistance genes (ARGs) is recognized as the primary contributor to antibiotic resistance dissemination. Silver nanoparticles (AgNPs) are widely used in personal care products as antimicrobial agents. While heavy metals are known to induce antibiotic resistance in bacteria, it is not known whether AgNPs in the environment can stimulate the HGT of ARGs. Here, we report that both AgNPs and ionic silver Ag+, at environmentally relevant and sub-lethal concentrations, facilitate the conjugative transfer of plasmid-borne ARGs across bacterial genera (from the donor Escherichia coli K-12 LE392 to the recipient Pseudomonas putida KT2440). The underlying mechanisms of the Ag+- or AgNPs-promoted HGT were unveiled by detecting oxidative stress and cell membrane permeability, combined with genome-wide RNA sequencing and proteomic analyses. It was found that both Ag+ and AgNPs exposure induced various bacterial responses that included reactive oxygen species (ROS) generation, membrane damage and the SOS response. This study exposes the potential ecological risks of environmental levels of AgNPs and Ag+ for promoting the spread of ARGs and highlights concerns regarding the management of nanoparticles and heavy metals.
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Affiliation(s)
- Ji Lu
- Advanced Water Management Centre (AWMC), The University of Queensland, St Lucia, Brisbane, QLD, 4072, Australia
| | - Yue Wang
- Advanced Water Management Centre (AWMC), The University of Queensland, St Lucia, Brisbane, QLD, 4072, Australia
| | - Min Jin
- Advanced Water Management Centre (AWMC), The University of Queensland, St Lucia, Brisbane, QLD, 4072, Australia
| | - Zhiguo Yuan
- Advanced Water Management Centre (AWMC), The University of Queensland, St Lucia, Brisbane, QLD, 4072, Australia
| | - Philip Bond
- Advanced Water Management Centre (AWMC), The University of Queensland, St Lucia, Brisbane, QLD, 4072, Australia
| | - Jianhua Guo
- Advanced Water Management Centre (AWMC), The University of Queensland, St Lucia, Brisbane, QLD, 4072, Australia.
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10
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Antimicrobial Properties of Copper Nanoparticles and Amino Acid Chelated Copper Nanoparticles Produced by Using a Soya Extract. Bioinorg Chem Appl 2017; 2017:1064918. [PMID: 28286459 PMCID: PMC5327766 DOI: 10.1155/2017/1064918] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Accepted: 01/10/2017] [Indexed: 12/02/2022] Open
Abstract
This paper reports a comparison of the antibacterial properties of copper-amino acids chelates and copper nanoparticles against Escherichia coli, Staphylococcus aureus, and Enterococcus faecalis. These copper-amino acids chelates were synthesized by using a soybean aqueous extract and copper nanoparticles were produced using as a starting material the copper-amino acids chelates species. The antibacterial activity of the samples was evaluated by using the standard microdilution method (CLSI M100-S25 January 2015). In the antibacterial activity assays copper ions and copper-EDTA chelates were included as references, so that copper-amino acids chelates can be particularly suitable for acting as an antibacterial agent, so they are excellent candidates for specific applications. Additionally, to confirm the antimicrobial mechanism on bacterial cells, MTT assay (3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide) was carried out. A significant enhanced antimicrobial activity and a specific strain were found for copper chelates over E. faecalis. Its results would eventually lead to better utilization of copper-amino acids chelate for specific application where copper nanoparticles can be not used.
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11
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Costa-Gouveia J, Aínsa JA, Brodin P, Lucía A. How can nanoparticles contribute to antituberculosis therapy? Drug Discov Today 2017; 22:600-607. [PMID: 28137645 DOI: 10.1016/j.drudis.2017.01.011] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 01/13/2017] [Accepted: 01/18/2017] [Indexed: 12/11/2022]
Abstract
Therapeutic approaches using nanoparticles are being successfully used in foods and in several fields of medicine, including infectious diseases. Regarding tuberculosis (TB) treatment, nanoparticles can be a useful strategy for two distinct applications: (i) for their intrinsic antimycobacterial activity; (ii) as vehicles for known antitubercular drugs to allow reduction of dose- and drug-associated side-effects and administration via user-friendly administration routes such as pulmonary or oral ones. Promising results were obtained in vitro and in animal Mycobacterium tuberculosis models and need now to be translated into clinical drug candidates. Such a prospect can provide an opportunity regarding the current limited therapeutic options for drug-resistant TB and the scarcity of novel antituberculosis drugs in the drug discovery pipeline.
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Affiliation(s)
- Joana Costa-Gouveia
- University of Lille, CNRS, INSERM, University Hospital Center of Lille, Pasteur Institute of Lille, U1019 - UMR 8204 - CIIL - Center for Infection and Immunity of Lille, 59000 Lille, France
| | - José A Aínsa
- Departamento de Microbiología (Facultad de Medicina), and BIFI, Universidad de Zaragoza, Zaragoza, Spain; Instituto de Investigación Sanitaria Aragón (IIS-Aragón), Zaragoza, Spain; CIBER de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Priscille Brodin
- University of Lille, CNRS, INSERM, University Hospital Center of Lille, Pasteur Institute of Lille, U1019 - UMR 8204 - CIIL - Center for Infection and Immunity of Lille, 59000 Lille, France.
| | - Ainhoa Lucía
- Departamento de Microbiología (Facultad de Medicina), and BIFI, Universidad de Zaragoza, Zaragoza, Spain; Instituto de Investigación Sanitaria Aragón (IIS-Aragón), Zaragoza, Spain; CIBER de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain.
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12
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Abstract
Nanostructures have been widely involved in changes in the drug delivery system. Nanoparticles have unique physicochemical properties, e.g., ultrasmall size, large surface area, and the ability to target specific actions. Various nanomaterials, like Ag, ZnO, Cu/CuO, and Al2O3, have antimicrobial activity. Basically, six mechanisms are involved in the production of antimicrobial activity, i.e., (1) destruction of the peptidoglycan layer, (2) release of toxic metal ions, (3) alteration of cellular pH via proton efflux pumps, (4) generation of reactive oxygen species, (5) damage of nuclear materials, and (6) loss of ATP production. Nanomedicine contributes to various pharmaceutical applications, like diagnosis and treatment of various ailments including microbial diseases. Furthermore, nanostructured antimicrobial agents are also involved in the treatment of the neuroinfections associated with neurodegenerative disorders. This chapter focuses on the nanostructure and nanomedicine of antimicrobial agents and their prospects for the possible management of infections associated with neurodegenerative disorders.
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Robertson J, Dalton J, Wiles S, Gizdavic-Nikolaidis M, Swift S. The tuberculocidal activity of polyaniline and functionalised polyanilines. PeerJ 2016; 4:e2795. [PMID: 28028468 PMCID: PMC5178338 DOI: 10.7717/peerj.2795] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 11/15/2016] [Indexed: 12/17/2022] Open
Abstract
Tuberculosis is considered a leading cause of death worldwide. More than 95% of cases and deaths occur in low- and middle-income countries. In resource-limited countries, hospitals often lack adequate facilities to manage and isolate patients with infectious tuberculosis (TB), relying instead on personal protective equipment, such as facemasks, to reduce nosocomial transmission of the disease. Facemasks impregnated with an antimicrobial agent may be a cost-effective way of adding an extra level of protection against the spread of TB by reducing the risk of disease transmission. Conducting polymers, such as polyaniline (PANI), and their functionalised derivatives are a novel class of antimicrobial agents with potential as non-leaching additives to provide contamination resistant surfaces. We have investigated the antimicrobial action of PANI and a functionalised derivative, poly-3-aminobenzoic acid (P3ABA), against mycobacteria and have determined the optimal treatment time and concentration to achieve significant knockdown of Mycobacterium smegmatis and Mycobacterium tuberculosis on an agar surface. Results indicated that P3ABA is a potential candidate for use as an anti-tuberculoid agent in facemasks to reduce TB transmission.
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Affiliation(s)
- Julia Robertson
- Department of Molecular Medicine and Pathology, University of Auckland , Auckland , New Zealand
| | - James Dalton
- Department of Molecular Medicine and Pathology, University of Auckland , Auckland , New Zealand
| | - Siouxsie Wiles
- Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand; Bioluminescent Superbugs Lab, Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
| | | | - Simon Swift
- Department of Molecular Medicine and Pathology, University of Auckland , Auckland , New Zealand
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Ma Y, Metch JW, Yang Y, Pruden A, Zhang T. Shift in antibiotic resistance gene profiles associated with nanosilver during wastewater treatment. FEMS Microbiol Ecol 2016; 92:fiw022. [DOI: 10.1093/femsec/fiw022] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/27/2016] [Indexed: 11/13/2022] Open
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Current applications of nanoparticles in infectious diseases. J Control Release 2016; 224:86-102. [PMID: 26772877 DOI: 10.1016/j.jconrel.2016.01.008] [Citation(s) in RCA: 240] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2015] [Revised: 01/03/2016] [Accepted: 01/05/2016] [Indexed: 02/06/2023]
Abstract
For decades infections have been treated easily with drugs. However, in the 21st century, they may become lethal again owing to the development of antimicrobial resistance. Pathogens can become resistant by means of different mechanisms, such as increasing the time they spend in the intracellular environment, where drugs are unable to reach therapeutic levels. Moreover, drugs are also subject to certain problems that decrease their efficacy. This requires the use of high doses, and frequent administrations must be implemented, causing adverse side effects or toxicity. The use of nanoparticle systems can help to overcome such problems and increase drug efficacy. Accordingly, there is considerable current interest in their use as antimicrobial agents against different pathogens like bacteria, virus, fungi or parasites, multidrug-resistant strains and biofilms; as targeting vectors towards specific tissues; as vaccines and as theranostic systems. This review begins with an overview of the different types and characteristics of nanoparticles used to deliver drugs to the target, followed by a review of current research and clinical trials addressing the use of nanoparticles within the field of infectious diseases.
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