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Akhter MS, Rahman MA, Ripon RK, Mubarak M, Akter M, Mahbub S, Al Mamun F, Sikder MT. A systematic review on green synthesis of silver nanoparticles using plants extract and their bio-medical applications. Heliyon 2024; 10:e29766. [PMID: 38828360 PMCID: PMC11140609 DOI: 10.1016/j.heliyon.2024.e29766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 03/04/2024] [Accepted: 04/15/2024] [Indexed: 06/05/2024] Open
Abstract
Nanoparticles have recently become considered as a crucial player in contemporary medicine, with therapeutic uses ranging from contrast agents in imaging to carriers for the transport of drugs and genes into a specific target. Nanoparticles have the ability to have more precise molecular interactions with the human body in order to target specific cells and tissues with minimal adverse effects and maximal therapeutic outcomes. With the least number of side effects and the greatest possible therapeutic benefit, nanoparticles can target particular cells and tissues through more precise molecular interactions with the human body. The majority of global public health problems are now treated with green synthesized silver nanoparticles (AgNPs), which substantially affect the fundamental structure of DNA and proteins and thus display their antimicrobial action. AgNPs can inhibit the proliferation of tumor cells and induce oxidative stress. By inhibiting vascular endothelial growth factor (HIF)-1, pro-inflammatory mediators generated by silver nanoparticles are reduced, mucin hypersecretion is lessened, and gene activity is subsequently regulated to prevent infections. The biogenic synthesis of silver nanoparticles (AgNPs) using various plants and their applications in antibacterial, antifungal, antioxidant, anticancer, anti-inflammatory, and antidiabetic activities have been extensively discussed in this article. Also, because only natural substances are utilized in the manufacturing process, the particles that are created naturally are coated, stabilized, and play a vital role in these biomedical actions. The characterization of AgNPs, possibility of preparing AgNPSs with different shapes using biological method and their impact on functions and toxicities, impact of size, shape and other properties on AgNPs functions and toxicity profiles, limitations, and future prospects of green-mediated AgNPs have also been reported in this study. The major goal of this study is to provide readers with a comprehensive, informed, and up-to-date summary of the various AgNPs production and characterization methods and their under-investigational antioxidant, antibacterial, and anticancer, antidiabetic, antifungal and anti-inflammatory properties. This review provides instructions and suggestions for additional studies based on AgNPs. This evaluation also pushes researchers to look into natural resources like plant parts in order to create useful nanobiotechnology.
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Affiliation(s)
- Mst. Sanjida Akhter
- Health and Environmental Epidemiology Laboratory (HEEL), Department of Public Health and Informatics, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
| | - Md. Ataur Rahman
- Department of Pharmacy, Mawlana Bhashani Science and Technology University, Santosh, Tangail, 1902, Bangladesh
| | - Rezaul Karim Ripon
- Department of Environmental Health Epidemiology, Harvard T H Chan School of Public Health, Boston, Massachusetts, USA
| | - Mahfuza Mubarak
- Health and Environmental Epidemiology Laboratory (HEEL), Department of Public Health and Informatics, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
| | - Mahmuda Akter
- Faculty of Arts and Science, New York University Shanghai, Shanghai, China
| | - Shamim Mahbub
- Nuclear Safety, Security & Safeguards Division, Bangladesh Atomic Energy Regulatory Authority, 12/A, Shahid Shahabuddin Shorok, Agargaon, Dhaka, 1207, Bangladesh
| | - Firoj Al Mamun
- Department of Public Health, University of South Asia, Dhaka, Bangladesh
| | - Md. Tajuddin Sikder
- Health and Environmental Epidemiology Laboratory (HEEL), Department of Public Health and Informatics, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
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Hussein S, Sulaiman S, Ali S, Pirot R, Qurbani K, Hamzah H, Hassan O, Ismail T, Ahmed SK, Azizi Z. Synthesis of Silver Nanoparticles from Aeromonas caviae for Antibacterial Activity and In Vivo Effects in Rats. Biol Trace Elem Res 2024; 202:2764-2775. [PMID: 37752375 DOI: 10.1007/s12011-023-03876-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 09/18/2023] [Indexed: 09/28/2023]
Abstract
Silver nanoparticles (AgNPs) have excellent antimicrobial properties, as they can inhibit multidrug-resistant (MDR) pathogens. Furthermore, bio-AgNPs have potential applications in medicine due to their low toxicity and high stability. Here, AgNPs were synthesized from the biomass of Aeromonas caviae isolated from a sediment sample and subsequently characterized. The UV-Vis spectra of AgNPs in aqueous medium peaked at 417 nm, matching their plasmon absorption. The X-ray diffraction analysis (XRD) pattern of AgNPs showed four peaks at 2θ values, corresponding to Ag diffraction faces. Absorption band peaks at 3420.16, 1635.54, and 1399.43 cm-1 were identified by Fourier-transform infrared spectroscopy (FTIR) analysis as belonging to functional groups of AgNP-associated biomolecules. Transmission electron microscopy (TEM) and scanning electron microscopy (SEM) showed that the nanoparticles are spherical and pseudospherical, with sizes of 15-25 nm. Agar well diffusion minimal inhibitory concentration (MIC) assays were used to assess the antibacterial activity of the nanoparticles against MDR pathogens. AgNPs exhibited antibacterial activity against MDR bacteria. Two groups of albino rats received intraperitoneal injections of AgNPs at 15 mg/kg or 30 mg/kg for 7 days. Blood, kidney, and liver samples were collected to investigate hematological, biochemical, and histopathological alterations. Administered AgNPs in rats fluctuated in liver and kidney function parameters. The ultrastructural impacts of AgNPs were more prominent at higher doses. The results proved the easy, fast, and efficient synthesis of AgNPs using A. caviae isolates and demonstrated the remarkable potential of these AgNPs as antibacterial agents. Nanotoxicological studies are required to identify the specific dose that balances optimal antibacterial activity with minimal toxicity to human health.
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Affiliation(s)
- Safin Hussein
- Department of Biology, College of Science, University of Raparin, Rania, Kurdistan Region, Iraq
| | - Saman Sulaiman
- Department of Biology, College of Science, University of Raparin, Rania, Kurdistan Region, Iraq
| | - Seenaa Ali
- Department of Nursing, College of Health and Medical Technology, Sulaimani Polytechnic University, Sulaimani, Kurdistan Region, Iraq
| | - Rzgar Pirot
- Department of Biology, College of Science, University of Raparin, Rania, Kurdistan Region, Iraq
| | - Karzan Qurbani
- Department of Biology, College of Science, University of Raparin, Rania, Kurdistan Region, Iraq.
| | - Haider Hamzah
- Department of Biology, College of Science, University of Sulaimani, Sulaimani, Kurdistan Region, Iraq
| | - Omed Hassan
- Central Laboratory of Ranya General Hospital, Rania, Kurdistan Region, Iraq
| | - Treefa Ismail
- Department of Biology, College of Education, Salahaddin University, Erbil, Kurdistan Region, Iraq
| | - Sirwan Khalid Ahmed
- Department of Adult Nursing, College of Nursing, University of Raparin, Rania, Kurdistan Region, Iraq.
- Ministry of Health, General Directorate of Health-Raparin, Rania, Sulaymaniyah, Kurdistan Region, Iraq.
| | - Zahra Azizi
- Department of Molecular Medicine, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Khattak M, Khan TA, Nazish M, Ishaq MS, Hameed H, Kamal A, Elshikh MS, Al Farraj DA, Anees M. Exploration of reducing and stabilizing phytoconstituents in Arisaema dracontium extract for the effective synthesis of Silver nanoparticles and evaluation of their antibacterial and toxicological proprties. Microb Pathog 2024; 192:106711. [PMID: 38788810 DOI: 10.1016/j.micpath.2024.106711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Revised: 04/02/2024] [Accepted: 05/22/2024] [Indexed: 05/26/2024]
Abstract
Medicinal plants have been widely used for their antimicrobial properties against various microorganisms. Arisaema dracontium a familiar medicinal plant, was analyzed and silver nanoparticles (AgNPs) were synthesized using extracts of different parts of its shoot including leaves and stem. Further, the antimicrobial activity of different solvent extracts such as ethyl acetate, n-hexane, ethanol, methanol, and chloroform extracts were analyzed. AgNPs were prepared using aqueous silver nitrate solution and assessed their antibacterial activity against multidrug-resistant (MDR) and Non-multidrug-resistant bacteria. The characterization of AgNPs was done by Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM), UV-visible spectroscopy, Fourier Transform Infrared (FTI), and X-ray Diffraction approaches. The leaf extract contained Tannins, Flavonoids, Terpenoids, and Steroids while Alkaloids, Saponins, and Glycosides were undetected. The stem extract contained Alkaloids, Tannins, Flavonoids, Saponins, Steroids, and Glycosides while Terpenoids were not observed. The AgNPs synthesized from stem and leaf extracts in the current study had spherical shapes and ranged in size from 1 to 50 nm and 20-500 nm respectively as were visible in TEM. The leaf extract-prepared AgNPs showed significantly higher activities i.e., 27.75 mm ± 0.86 against the MDR strains as compared to the stem-derived nanoparticles i.e., 24.33 ± 0.33 by comparing the zones of inhibitions which can be attributed to the differences in their phytochemical constituents. The acute toxicity assay confirmed that no mortality was noticed when the dosage was 100 mg per kg which confirms that the confirms that the AgNPs are not toxic when used in low quantities. It is concluded that leaf extract from A. dracontium could be used against pathogenic bacteria offering economic and health benefits compared to the chemical substances.
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Affiliation(s)
- Mahrukh Khattak
- Department of Microbiology, Kohat University of Science and Technology, Kohat, Pakistan
| | - Taj Ali Khan
- Department of Microbiology, Khyber Medical University, Peshawar, Pakistan
| | - Moona Nazish
- Department of Botany, Rawalpindi Women University, Rawalpindi, Pakistan
| | - Muhammad Saqib Ishaq
- Department of Health and Biological Sciences, Abasyn University, Peshawar, Pakistan
| | - Hajra Hameed
- School of Biomedical Engineering, Health Science Center, Shenzhen University, Guangdong 518060 China
| | - Asif Kamal
- Department of Plant Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan.
| | - Mohamed Soliman Elshikh
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. 2455, Riyadh-11451, Saudi Arabia
| | - Dunia A Al Farraj
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. 2455, Riyadh-11451, Saudi Arabia
| | - Muhammad Anees
- Department of Microbiology, Kohat University of Science and Technology, Kohat, Pakistan.
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Bogdanchikova N, Luna Vazquez-Gomez R, Nefedova E, Garibo D, Pestryakov A, Plotnikov E, Shkil NN. Nanoparticles Partially Restore Bacterial Susceptibility to Antibiotics. MATERIALS (BASEL, SWITZERLAND) 2024; 17:1629. [PMID: 38612142 PMCID: PMC11012423 DOI: 10.3390/ma17071629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/27/2024] [Accepted: 03/28/2024] [Indexed: 04/14/2024]
Abstract
The growing resistance of bacteria to antibiotics is one of the main public health problems nowadays. The influence of silver nanoparticle (AgNP) pretreatment of 220 cows with mastitis on the susceptibility of Staphylococcus epidermidis bacteria to 31 antibiotics was studied. The obtained results were compared with the previous results for Escherichia coli, Streptococcus dysgalactiae, and Staphylococcus aureus. For all four bacteria, an increase in susceptibility (9.5-21.2%) to 31 antibiotics after cow treatment with AgNPs was revealed, while after first-line antibiotic drug treatment as expected, the susceptibility decreased (11.3-27.3%). These effects were explained by (1) the increase in the contribution of isolates with efflux effect after antibiotic treatments and its decrease after AgNP treatment and (2) the changes in bacteria adhesion and anti-lysozyme activity after these treatments. The effect of the increasing antibacterial activity of antibiotics after AgNP treatment was the most pronounced in the case of E. coli and was minimal in the case of S. epidermidis. With AgNP treatment, the time of recovery decreased by 26.8-48.4% compared to the time of recovery after treatment with the first-line antibiotic drugs. The AgNP treatment allows for achieving the partial restoration of the activity of antibiotics.
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Affiliation(s)
- Nina Bogdanchikova
- Center for Nanoscience and Nanotechnology, National Autonomous University, Ensenada 22800, Mexico; (N.B.); (D.G.)
| | | | - Ekaterina Nefedova
- Siberian Federal Scientific Centre of Agrobiotechnologies of the Russian Academy of Sciences, 630501 Novosibirsk, Russia; (E.N.); (N.N.S.)
| | - Diana Garibo
- Center for Nanoscience and Nanotechnology, National Autonomous University, Ensenada 22800, Mexico; (N.B.); (D.G.)
- Research Institute by National Council of Science and Technology (CONACYT), Mexico City 03940, Mexico
| | - Alexey Pestryakov
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, 634050 Tomsk, Russia;
| | - Evgenii Plotnikov
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, 634050 Tomsk, Russia;
| | - Nikolay N. Shkil
- Siberian Federal Scientific Centre of Agrobiotechnologies of the Russian Academy of Sciences, 630501 Novosibirsk, Russia; (E.N.); (N.N.S.)
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Liu L, Shen Z, Wang C. Recent advances and new insights on the construction of photocatalytic systems for environmental disinfection. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 353:120235. [PMID: 38310793 DOI: 10.1016/j.jenvman.2024.120235] [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: 12/14/2023] [Revised: 01/16/2024] [Accepted: 01/24/2024] [Indexed: 02/06/2024]
Abstract
Photocatalysis, as a sustainable and environmentally friendly green technology, has garnered widespread recognition and application across various fields. Especially its potential in environmental disinfection has been highly valued by researchers. This study commences with foundational research on photocatalytic disinfection technology and provides a comprehensive overview of its current developmental status. It elucidates the complexity of the interface reaction mechanism between photocatalysts and microorganisms, providing valuable insights from the perspectives of materials and microorganisms. This study reviews the latest design and modification strategies (Build heterojunction, defect engineering, and heteroatom doping) for photocatalysts in environmental disinfection. Moreover, this study investigates the research focuses and links in constructing photocatalytic disinfection systems, including photochemical reactors, light sources, and material immobilization technologies. It studies the complex challenges and influencing factors generated by different environmental media during the disinfection process. Simultaneously, a comprehensive review extensively covers the research status of photocatalytic disinfection concerning bacteria, fungi, and viruses. It reveals the observable efficiency differences caused by the microstructure of microorganisms during photocatalytic reactions. Based on these influencing factors, the economy and effectiveness of photocatalytic disinfection systems are analyzed and discussed. Finally, this study summarizes the current application status of photocatalytic disinfection products. The challenges faced by the synthesis and application of future photocatalysts are proposed, and the future development in this field is discussed. The potential for research and innovation has been further emphasized, with the core on improving efficiency, reducing costs, and strengthening the practical application of photocatalysis in environmental disinfection.
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Affiliation(s)
- Liming Liu
- School of Environmental Science and Engineering, Tianjin University, Tianjin, 300350, PR China
| | - Zhurui Shen
- School of Materials Science and Engineering, Nankai University, Tianjin, 300350, PR China.
| | - Can Wang
- School of Environmental Science and Engineering, Tianjin University, Tianjin, 300350, PR China.
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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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Primo LMDG, Roque-Borda CA, Carnero Canales CS, Caruso IP, de Lourenço IO, Colturato VMM, Sábio RM, de Melo FA, Vicente EF, Chorilli M, da Silva Barud H, Barbugli PA, Franzyk H, Hansen PR, Pavan FR. Antimicrobial peptides grafted onto the surface of N-acetylcysteine-chitosan nanoparticles can revitalize drugs against clinical isolates of Mycobacterium tuberculosis. Carbohydr Polym 2024; 323:121449. [PMID: 37940311 DOI: 10.1016/j.carbpol.2023.121449] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/21/2023] [Accepted: 09/28/2023] [Indexed: 11/10/2023]
Abstract
Tuberculosis is caused by Mycobacterium tuberculosis (MTB) and is the leading cause of death from infectious diseases in the World. The search for new antituberculosis drugs is a high priority, since several drug-resistant TB-strains have emerged. Many nanotechnology strategies are being explored to repurpose or revive drugs. An interesting approach is to graft antimicrobial peptides (AMPs) to antibiotic-loaded nanoparticles. The objective of the present work was to determine the anti-MTB activity of rifampicin-loaded N-acetylcysteine-chitosan-based nanoparticles (NPs), conjugated with the AMP Ctx(Ile21)-Ha; against clinical isolates (multi- and extensively-drug resistant) and the H37Rv strain. The modified chitosan and drug-loaded NPs were characterized with respect to their physicochemical stability and their antimycobacterial profile, which showed potent inhibition (MIC values <0.977 μg/mL) by the latter. Furthermore, their accumulation within macrophages and cytotoxicity were determined. To understand the possible mechanisms of action, an in silico study of the peptide against MTB membrane receptors was performed. The results presented herein demonstrate that antibiotic-loaded NPs grafted with an AMP can be a powerful tool for revitalizing drugs against multidrug-resistant M. tuberculosis strains, by launching multiple attacks against MTB. This approach could potentially serve as a novel treatment strategy for various long-term diseases requiring extended treatment periods.
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Affiliation(s)
- Laura Maria Duran Gleriani Primo
- São Paulo State University (UNESP), Tuberculosis Research Laboratory, School of Pharmaceutical Sciences, Araraquara, São Paulo, Brazil
| | - Cesar Augusto Roque-Borda
- São Paulo State University (UNESP), Tuberculosis Research Laboratory, School of Pharmaceutical Sciences, Araraquara, São Paulo, Brazil; Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
| | - Christian Shleider Carnero Canales
- Vicerrectorado de Investigación, Facultad de Ciencias Farmacéuticas bioquímicas y biotecnológicas, Universidad Católica de Santa María, Arequipa, Peru
| | - Icaro Putinhon Caruso
- Department of Physics - Institute of Biosciences, Humanities and Exact Sciences (IBILCE), São Paulo State University (UNESP), 15054-000 São José do Rio Preto, São Paulo, Brazil
| | - Isabella Ottenio de Lourenço
- Department of Physics - Institute of Biosciences, Humanities and Exact Sciences (IBILCE), São Paulo State University (UNESP), 15054-000 São José do Rio Preto, São Paulo, Brazil
| | - Vitória Maria Medalha Colturato
- Department of Biotechnology, Laboratory of Polymers and Biomaterials, University of Araraquara (UNIARA), Araraquara, São Paulo, Brazil
| | - Rafael Miguel Sábio
- São Paulo State University (UNESP), Department of Drug and Medicines, School of Pharmaceutical Sciences, Araraquara, São Paulo, Brazil
| | - Fernando Alves de Melo
- Department of Physics - Institute of Biosciences, Humanities and Exact Sciences (IBILCE), São Paulo State University (UNESP), 15054-000 São José do Rio Preto, São Paulo, Brazil
| | - Eduardo Festozo Vicente
- School of Sciences and Engineering, São Paulo State University (UNESP), Tupã, São Paulo, Brazil
| | - Marlus Chorilli
- São Paulo State University (UNESP), Department of Drug and Medicines, School of Pharmaceutical Sciences, Araraquara, São Paulo, Brazil
| | - Hernane da Silva Barud
- Department of Biotechnology, Laboratory of Polymers and Biomaterials, University of Araraquara (UNIARA), Araraquara, São Paulo, Brazil
| | - Paula Aboud Barbugli
- Department of Dental Materials and Prosthodontics, School of Dentistry, Sao Paulo State University (UNESP), Araraquara, São Paulo, Brazil
| | - Henrik Franzyk
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Paul Robert Hansen
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Fernando Rogério Pavan
- São Paulo State University (UNESP), Tuberculosis Research Laboratory, School of Pharmaceutical Sciences, Araraquara, São Paulo, Brazil.
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Perveen S, Zhai R, Zhang Y, Kawish M, Shah MR, Chen S, Xu Z, Qiufeng D, Jin M. Boosting photo-induced antimicrobial activity of lignin nanoparticles with curcumin and zinc oxide. Int J Biol Macromol 2023; 253:127433. [PMID: 37838113 DOI: 10.1016/j.ijbiomac.2023.127433] [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: 07/21/2023] [Revised: 09/14/2023] [Accepted: 10/11/2023] [Indexed: 10/16/2023]
Abstract
Lignin nanoparticles have gained increasing attention as a potential antimicrobial agent due to their biocompatibility, biodegradability, and low toxicity. However, the limited ability of lignin to act as an antibacterial is a major barrier to its widespread use. Thus, it is crucial to develop novel approaches to amplify lignin's biological capabilities in order to promote its effective utilization. In this study, we modified lignin nanoparticles (LNPs) with photo-active curcumin (Cur), zinc oxide (ZnO), or a combination of both to enhance their antimicrobial properties. The successful modifications of LNPs were confirmed using comprehensive characterization techniques. The antimicrobial efficacy of the modified LNPs was assessed against both gram-positive and gram-negative bacterial strains. The results showed that the modification of LNPs with Cur and ZnO have much higher antibacterial and antibiofilm activities than unmodified LNPs. Moreover, photo illumination resulted in even higher antibacterial activity. Furthermore, atomic force microscopy revealed bacterial cells lysis and membrane damage by ZnO/Cur modified LNPs. Our research demonstrates that ZnO/Cur modified LNPs can serve as novel hybrid materials with enhanced antimicrobial capabilities. In addition, the photo-induced enhancement in antibacterial activity not only demonstrated the versatility of this hybrid material but also opened up interesting potential for bioinspired therapeutics agents.
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Affiliation(s)
- Samina Perveen
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Rui Zhai
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing 210094, China.
| | - Yuwei Zhang
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Muhammad Kawish
- International Center for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, Karachi 75270, Pakistan
| | - Muhammad Raza Shah
- International Center for Chemical and Biological Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, Karachi 75270, Pakistan
| | - Sitong Chen
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Zhaoxian Xu
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Deng Qiufeng
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Mingjie Jin
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei Street, Nanjing 210094, China.
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Pernas-Pleite C, Conejo-Martínez AM, Fernández Freire P, Hazen MJ, Marín I, Abad JP. Microalga Broths Synthesize Antibacterial and Non-Cytotoxic Silver Nanoparticles Showing Synergy with Antibiotics and Bacterial ROS Induction and Can Be Reused for Successive AgNP Batches. Int J Mol Sci 2023; 24:16183. [PMID: 38003373 PMCID: PMC10670984 DOI: 10.3390/ijms242216183] [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: 09/26/2023] [Revised: 10/31/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
The era of increasing bacterial antibiotic resistance requires new approaches to fight infections. With this purpose, silver-based nanomaterials are a reality in some fields and promise new developments. We report the green synthesis of silver nanoparticles (AgNPs) using culture broths from a microalga. Broths from two media, with different compositions and pHs and sampled at two growth phases, produced eight AgNP types. Nanoparticles harvested after several synthesis periods showed differences in antibacterial activity and stability. Moreover, an evaluation of the broths for several consecutive syntheses did not find relevant kinetics or activity differences until the third round. Physicochemical characteristics of the AgNPs (core and hydrodynamic sizes, Z-potential, crystallinity, and corona composition) were determined, observing differences depending on the broths used. AgNPs showed good antibacterial activity at concentrations producing no or low cytotoxicity on cultured eukaryotic cells. All the AgNPs had high levels of synergy against Escherichia coli and Staphylococcus aureus with the classic antibiotics streptomycin and kanamycin, but with ampicillin only against S. aureus and tetracycline against E. coli. Differences in the synergy levels were also dependent on the types of AgNPs. We also found that, for some AgNPs, the killing of bacteria started before the massive accumulation of ROS.
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Affiliation(s)
- Carlos Pernas-Pleite
- Department of Molecular Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 28049 Madrid, Spain
| | - Amparo M. Conejo-Martínez
- Department of Molecular Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 28049 Madrid, Spain
| | - Paloma Fernández Freire
- Department of Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 29049 Madrid, Spain
| | - María José Hazen
- Department of Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 29049 Madrid, Spain
| | - Irma Marín
- Department of Molecular Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 28049 Madrid, Spain
| | - José P. Abad
- Department of Molecular Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 28049 Madrid, Spain
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10
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Zhang Y, Bhasme P, Reddy DS, Liu D, Yu Z, Zhao T, Zheng Y, Kumar A, Yu H, Ma LZ. Dual functions: A coumarin-chalcone conjugate inhibits cyclic-di-GMP and quorum-sensing signaling to reduce biofilm formation and virulence of pathogens. MLIFE 2023; 2:283-294. [PMID: 38817812 PMCID: PMC10989777 DOI: 10.1002/mlf2.12087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 08/01/2023] [Indexed: 06/01/2024]
Abstract
Antibiotic resistance or tolerance of pathogens is one of the most serious global public health threats. Bacteria in biofilms show extreme tolerance to almost all antibiotic classes. Thus, use of antibiofilm drugs without bacterial-killing effects is one of the strategies to combat antibiotic tolerance. In this study, we discovered a coumarin-chalcone conjugate C9, which can inhibit the biofilm formation of three common pathogens that cause nosocomial infections, namely, Pseudomonas aeruginosa, Staphylococcus aureus, and Escherichia coli, with the best antibiofilm activity against P. aeruginosa. Further investigations indicate that C9 decreases the synthesis of the key biofilm matrix exopolysaccharide Psl and bacterial second messenger cyclic-di-GMP. Meanwhile, C9 can interfere with the regulation of the quorum sensing (QS) system to reduce the virulence of P. aeruginosa. C9 treatment enhances the sensitivity of biofilm to several antibiotics and reduces the survival rate of P. aeruginosa under starvation or oxidative stress conditions, indicating its excellent potential for use as an antibiofilm-forming and anti-QS drug.
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Affiliation(s)
- Yu Zhang
- State Key Laboratory of Microbial Resources, Institute of MicrobiologyChinese Academy of SciencesBeijingChina
| | - Pramod Bhasme
- State Key Laboratory of Microbial Resources, Institute of MicrobiologyChinese Academy of SciencesBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Dinesh S. Reddy
- Centre for Nano and Material SciencesJain UniversityBangaloreKarnatakaIndia
| | - Dejian Liu
- State Key Laboratory of Microbial Resources, Institute of MicrobiologyChinese Academy of SciencesBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Zhaoxiao Yu
- State Key Laboratory of Microbial Resources, Institute of MicrobiologyChinese Academy of SciencesBeijingChina
| | - Tianhu Zhao
- State Key Laboratory of Microbial Resources, Institute of MicrobiologyChinese Academy of SciencesBeijingChina
| | - Yaqian Zheng
- State Key Laboratory of Microbial Resources, Institute of MicrobiologyChinese Academy of SciencesBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Amit Kumar
- Centre for Nano and Material SciencesJain UniversityBangaloreKarnatakaIndia
| | - Haiying Yu
- State Key Laboratory of Microbial Resources, Institute of MicrobiologyChinese Academy of SciencesBeijingChina
| | - Luyan Z. Ma
- State Key Laboratory of Microbial Resources, Institute of MicrobiologyChinese Academy of SciencesBeijingChina
- University of Chinese Academy of SciencesBeijingChina
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11
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Youssef MS, Ahmed SI, Mohamed IMA, Abdel-Kareem MM. Biosynthesis, Spectrophotometric Follow-Up, Characterization, and Variable Antimicrobial Activities of Ag Nanoparticles Prepared by Edible Macrofungi. Biomolecules 2023; 13:1102. [PMID: 37509137 PMCID: PMC10377419 DOI: 10.3390/biom13071102] [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: 06/12/2023] [Revised: 07/05/2023] [Accepted: 07/08/2023] [Indexed: 07/30/2023] Open
Abstract
The biosynthesis of silver nanoparticles (Ag NPs) could play a significant role in the development of commercial antimicrobials. Herein, the biosynthesis of Ag NPs was studied using the edible mushroom Pleurotus floridanus, and following its formation, spectrophotometry was used to detect the best mushroom content, pH, temperature, and silver concentration. After that, the morphology was described via transmission electron microscopy (TEM), and nanoscale-size particles were found ranging from 11 to 13 nm. The best conditions of Ag content and pH were found at 1.0 mM and 11.0, respectively. In addition, the best mushroom extract concentration was found at 30 g/L. According to XRD analysis, the crystal structure of the formed amorphous Ag NPs is cubic with a space group of fm-3m and a space group number of 225. After that, the function groups at the surface of the prepared Ag NPs were studied via FTIR analysis, which indicated the presence of C=O, C-H, and O-H groups. These groups could indicate the presence of mushroom traces in the Ag NPs, which was confirmed via the amorphous characteristics of Ag NPs from the XRD analysis. The prepared Ag NPs have a high impact against different microorganisms, which could be attributed to the ability of Ag NPs to penetrate the cell bacterial wall.
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Affiliation(s)
- Mohamed S Youssef
- Botany and Microbiology Department, Faculty of Science, Sohag University, Sohag 82524, Egypt
| | - Sanaa Ibrahim Ahmed
- Botany and Microbiology Department, Faculty of Science, Sohag University, Sohag 82524, Egypt
| | - Ibrahim M A Mohamed
- Chemistry Department, Faculty of Science, Sohag University, Sohag 82524, Egypt
| | - Marwa M Abdel-Kareem
- Botany and Microbiology Department, Faculty of Science, Sohag University, Sohag 82524, Egypt
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12
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Gao T, Tan Y, Wang Y, Yuan F, Liu Z, Yang K, Liu W, Guo R, Li C, Tian Y, Zhou D. Theaflavin Ameliorates Streptococcus suis-Induced Infection In Vitro and In Vivo. Int J Mol Sci 2023; 24:ijms24087442. [PMID: 37108608 PMCID: PMC10138674 DOI: 10.3390/ijms24087442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/04/2023] [Accepted: 04/09/2023] [Indexed: 04/29/2023] Open
Abstract
Streptococcus suis (S. suis) is one of the most important zoonotic pathogens that threaten the lives of pigs and humans. Even worse, the increasingly severe antimicrobial resistance in S. suis is becoming a global issue. Therefore, there is an urgent need to discover novel antibacterial alternatives for the treatment of S. suis infection. In this study, we investigated theaflavin (TF1), a benzoaphenone compound extracted from black tea, as a potential phytochemical compound against S. suis. TF1 at MIC showed significant inhibitory effects on S. suis growth, hemolytic activity, and biofilm formation, and caused damage to S. suis cells in vitro. TF1 had no cytotoxicity and decreased adherent activity of S. suis to the epithelial cell Nptr. Furthermore, TF1 not only improved the survival rate of S. suis-infected mice but also reduced the bacterial load and the production of IL-6 and TNF-α. A hemolysis test revealed the direct interaction between TF1 and Sly, while molecular docking showed TF1 had a good binding activity with the Glu198, Lys190, Asp111, and Ser374 of Sly. Moreover, virulence-related genes were downregulated in the TF1-treated group. Collectively, our findings suggested that TF1 can be used as a potential inhibitor for treating S. suis infection in view of its antibacterial and antihemolytic activity.
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Affiliation(s)
- Ting Gao
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Key Laboratory of Prevention and Control Agents for Animal Bacteriosis, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Yiqing Tan
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Key Laboratory of Prevention and Control Agents for Animal Bacteriosis, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong University, Cooperative Innovation Center of Sustainable Pig Production, Wuhan 430070, China
| | - Yanjun Wang
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Key Laboratory of Prevention and Control Agents for Animal Bacteriosis, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong University, Cooperative Innovation Center of Sustainable Pig Production, Wuhan 430070, China
| | - Fangyan Yuan
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Key Laboratory of Prevention and Control Agents for Animal Bacteriosis, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Zewen Liu
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Key Laboratory of Prevention and Control Agents for Animal Bacteriosis, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Keli Yang
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Key Laboratory of Prevention and Control Agents for Animal Bacteriosis, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Wei Liu
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Key Laboratory of Prevention and Control Agents for Animal Bacteriosis, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Rui Guo
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Key Laboratory of Prevention and Control Agents for Animal Bacteriosis, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Chang Li
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Key Laboratory of Prevention and Control Agents for Animal Bacteriosis, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Yongxiang Tian
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Key Laboratory of Prevention and Control Agents for Animal Bacteriosis, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
| | - Danna Zhou
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Key Laboratory of Prevention and Control Agents for Animal Bacteriosis, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
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13
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Al-Otibi FO, Yassin MT, Al-Askar AA, Maniah K. Green Biofabrication of Silver Nanoparticles of Potential Synergistic Activity with Antibacterial and Antifungal Agents against Some Nosocomial Pathogens. Microorganisms 2023; 11:microorganisms11040945. [PMID: 37110368 PMCID: PMC10144991 DOI: 10.3390/microorganisms11040945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 03/20/2023] [Accepted: 03/21/2023] [Indexed: 04/07/2023] Open
Abstract
Nosocomial bacterial and fungal infections are one of the main causes of high morbidity and mortality worldwide, owing to the high prevalence of multidrug-resistant microbial strains. Hence, the study aims to synthesize, characterize, and investigate the antifungal and antibacterial activity of silver nanoparticles (AgNPs) fabricated using Camellia sinensis leaves against nosocomial pathogens. The biogenic AgNPs revealed a small particle diameter of 35.761 ± 3.18 nm based on transmission electron microscope (TEM) graphs and a negative surface charge of −14.1 mV, revealing the repulsive forces between nanoparticles, which in turn indicated their colloidal stability. The disk diffusion assay confirmed that Escherichia coli was the most susceptible bacterial strain to the biogenic AgNPs (200 g/disk), while the lowest sensitive strain was found to be the Acinetobacter baumannii strain with relative inhibition zones of 36.14 ± 0.67 and 21.04 ± 0.19 mm, respectively. On the other hand, the biogenic AgNPs (200 µg/disk) exposed antifungal efficacy against Candida albicans strain with a relative inhibition zone of 18.16 ± 0.14 mm in diameter. The biogenic AgNPs exposed synergistic activity with both tigecycline and clotrimazole against A. baumannii and C. albicans, respectively. In conclusion, the biogenic AgNPs demonstrated distinct physicochemical properties and potential synergistic bioactivity with tigecycline, linezolid, and clotrimazole against gram-negative, gram-positive, and fungal strains, respectively. This is paving the way for the development of effective antimicrobial combinations for the effective management of nosocomial pathogens in intensive care units (ICUs) and health care settings.
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Affiliation(s)
- Fatimah O. Al-Otibi
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mohamed Taha Yassin
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdulaziz A. Al-Askar
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Khalid Maniah
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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14
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Biological Use of Nanostructured Silica-Based Materials Functionalized with Metallodrugs: The Spanish Perspective. Int J Mol Sci 2023; 24:ijms24032332. [PMID: 36768659 PMCID: PMC9917151 DOI: 10.3390/ijms24032332] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/11/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
Since the pioneering work of Vallet-Regí's group on the design and synthesis of mesoporous silica-based materials with therapeutic applications, during the last 15 years, the potential use of mesoporous silica nanostructured materials as drug delivery vehicles has been extensively explored. The versatility of these materials allows the design of a wide variety of platforms that can incorporate numerous agents of interest (fluorophores, proteins, drugs, etc.) in a single scaffold. However, the use of these systems loaded with metallodrugs as cytotoxic agents against different diseases and with distinct therapeutic targets has been studied to a much lesser extent. This review will focus on the work carried out in this field, highlighting both the pioneering and recent contributions of Spanish groups that have synthesized a wide variety of systems based on titanium, tin, ruthenium, copper and silver complexes supported onto nanostructured silica. In addition, this article will also discuss the importance of the structural features of the systems for evaluating and modulating their therapeutic properties. Finally, the most interesting results obtained in the study of the potential therapeutic application of these metallodrug-functionalized silica-based materials against cancer and bacteria will be described, paying special attention to preclinical trials in vivo.
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15
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Municoy S, Antezana PE, Bellino MG, Desimone MF. Development of 3D-Printed Collagen Scaffolds with In-Situ Synthesis of Silver Nanoparticles. Antibiotics (Basel) 2022; 12:antibiotics12010016. [PMID: 36671217 PMCID: PMC9855044 DOI: 10.3390/antibiotics12010016] [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: 11/30/2022] [Revised: 12/17/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
UV-irradiation method has grown as an alternative approach to in situ synthetize silver nanoparticles (AgNPs) for avoiding the use of toxic reducing agents. In this work, an antimicrobial material by in situ synthesizing AgNPs within 3D-printed collagen-based scaffolds (Col-Ag) was developed. By modifying the concentration of AgNO3 (0.05 and 0.1 M) and UV irradiation time (2 h, 4 h, and 6 h), the morphology and size of the in situ prepared AgNPs could be controlled. As a result, star-like silver particles of around 23 ± 4 μm and spherical AgNPs of 220 ± 42 nm were obtained for Ag 0.05 M, while for Ag 0.1 M cubic particles from 0.3 to 1.0 μm and round silver precipitates of 3.0 ± 0.4 μm were formed in the surface of the scaffolds at different UV irradiation times. However, inside the material AgNPs of 10-28 nm were obtained. The DSC thermal analysis showed that a higher concentration of Ag stabilizes the 3D-printed collagen-based scaffolds, while a longer UV irradiation interval produces a decrease in the denaturation temperature of collagen. The enzymatic degradation assay also revealed that the in situ formed AgNPs act as stabilizing and reinforcement agent which also improve the swelling capacity of collagen-based material. Finally, antimicrobial activity of Col-Ag was studied, showing high bactericidal efficiency against Gram-negative (Escherichia coli) and Gram-positive (Staphylococcus aureus) bacteria. These results showed that the UV irradiation method was really attractive to modulate the size and shape of in situ synthesized AgNPs to develop antimicrobial 3D-printed collagen scaffolds with different thermal, swelling and degradation properties.
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Affiliation(s)
- Sofia Municoy
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Junín 956, Buenos Aires 1113, Argentina
| | - Pablo Edmundo Antezana
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Junín 956, Buenos Aires 1113, Argentina
| | - Martín Gonzalo Bellino
- Instituto de Nanociencia y Nanotecnología, Comisión Nacional de Energía Atómica, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Martín 1650, Argentina
| | - Martín Federico Desimone
- Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Junín 956, Buenos Aires 1113, Argentina
- Correspondence:
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Pernas-Pleite C, Conejo-Martínez AM, Marín I, Abad JP. Green Extracellular Synthesis of Silver Nanoparticles by Pseudomonas alloputida, Their Growth and Biofilm-Formation Inhibitory Activities and Synergic Behavior with Three Classical Antibiotics. Molecules 2022; 27:7589. [PMID: 36364415 PMCID: PMC9656067 DOI: 10.3390/molecules27217589] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 11/26/2023] Open
Abstract
Bacterial resistance to antibiotics is on the rise and hinders the fight against bacterial infections, which are expected to cause millions of deaths by 2050. New antibiotics are difficult to find, so alternatives are needed. One could be metal-based drugs, such as silver nanoparticles (AgNPs). In general, chemical methods for AgNPs' production are potentially toxic, and the physical ones expensive, while green approaches are not. In this paper, we present the green synthesis of AgNPs using two Pseudomonas alloputida B003 UAM culture broths, sampled from their exponential and stationary growth phases. AgNPs were physicochemically characterized by transmission electron microscopy (TEM), total reflection X-ray fluorescence (TXRF), infrared spectroscopy (FTIR), dynamic light scattering (DLS), and X-ray diffraction (XRD), showing differential characteristics depending on the synthesis method used. Antibacterial activity was tested in three assays, and we compared the growth and biofilm-formation inhibition of six test bacteria: Bacillus subtilis, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Staphylococcus aureus, and Staphylococcus epidermidis. We also monitored nanoparticles' synergic behavior through the growth inhibition of E. coli and S. aureus by three classical antibiotics: ampicillin, nalidixic acid, and streptomycin. The results indicate that very good AgNP activity was obtained with particularly low MICs for the three tested strains of P. aeruginosa. A good synergistic effect on streptomycin activity was observed for all the nanoparticles. For ampicillin, a synergic effect was detected only against S. aureus. ROS production was found to be related to the AgNPs' antibacterial activity.
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Affiliation(s)
| | | | - Irma Marín
- Department of Molecular Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 28049 Madrid, Spain
| | - José P. Abad
- Department of Molecular Biology, Faculty of Sciences, Biology Building, Autonomous University of Madrid, Cantoblanco, 28049 Madrid, Spain
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