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Pourhajibagher M, Bahrami R, Bahador A. Application of photosensitive dental materials as a novel antimicrobial option in dentistry: A literature review. J Dent Sci 2024; 19:762-772. [PMID: 38618073 PMCID: PMC11010690 DOI: 10.1016/j.jds.2023.12.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 12/23/2023] [Indexed: 04/16/2024] Open
Abstract
The formation of dental plaque is well-known for its role in causing various oral infections, such as tooth decay, inflammation of the dental pulp, gum disease, and infections of the oral mucosa like peri-implantitis and denture stomatitis. These infections primarily affect the local area of the mouth, but if not treated, they can potentially lead to life-threatening conditions. Traditional methods of mechanical and chemical antimicrobial treatment have limitations in fully eliminating microorganisms and preventing the formation of biofilms. Additionally, these methods can contribute to the development of drug-resistant microorganisms and disrupt the natural balance of oral bacteria. Antimicrobial photodynamic therapy (aPDT) is a technique that utilizes low-power lasers with specific wavelengths in combination with a photosensitizing agent called photosensitizer to kill microorganisms. By inducing damage through reactive oxygen species (ROS), aPDT offers a new approach to addressing dental plaque and associated microbial biofilms, aiming to improve oral health outcomes. Recently, photosensitizers have been incorporated into dental materials to create photosensitive dental materials. This article aimed to review the use of photosensitive dental materials for aPDT as an innovative antimicrobial option in dentistry, with the goal of enhancing oral health.
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Affiliation(s)
- Maryam Pourhajibagher
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Rashin Bahrami
- Dental Sciences Research Center, Department of Orthodontics, School of Dentistry, Guilan University of Medical Sciences, Rasht, Iran
| | - Abbas Bahador
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Masoudi M, Mashreghi M, Zenhari A, Mashreghi A. Combinational antimicrobial activity of biogenic TiO 2 NP/ZnO NPs nanoantibiotics and amoxicillin-clavulanic acid against MDR-pathogens. Int J Pharm 2024; 652:123821. [PMID: 38242259 DOI: 10.1016/j.ijpharm.2024.123821] [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: 09/04/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 01/21/2024]
Abstract
The development of effective strategies against multidrug-resistant (MDR) pathogens is an urgent need in modern medicine. Nanoantibiotics (nABs) offer a new hope in countering the surge of MDR-pathogens. The aim of the current study was to evaluate the antibacterial activity of two attractive nABs, TiO2 NPs and ZnO NPs, and their performance in improving the antimicrobial activity of defined antibiotics (amoxicillin-clavulanic acid, amox-clav) against MDR-pathogens. The nABs were synthesized using a green method. The physicochemical characteristics of the synthesized nanoparticles were determined using standard methods. The results showed the formation of pure anatase TiO2 NPs and hexagonal ZnO NPs with an average particle size of 38.65 nm and 57.87 nm, respectively. The values of zeta potential indicated the high stability of the samples. At 8 mg/mL, both nABs exhibited 100 % antioxidant activity, while ZnO showed significantly higher activity at lower concentrations. The antibiofilm assay showed that both nABs could inhibit the formation of biofilms of Acinetobacter baumannii 80 and Escherichia coli 27G (MDR-isolates). However, ZnO NPs showed superior antibiofilm activity (100 %) against E. coli 27G. The MIC values were determined to be 8 (1), 2 (2), and 4 (4) mg/mL for amox-clav, TiO2 NPs, and ZnO NPs against A. baumannii 80 (E. coli 27G), respectively. The results showed that both nABs had synergistically enhanced antibacterial performance in combination with amox-clav. Specifically, an 8-fold reduction in MIC values of antibiotics was observed when they were combined with nABs. These findings highlight the potential of TiO2 NPs and ZnO NPs as effective nanoantibiotics against MDR-pathogens. The synergistic effect observed when combining nABs with antibiotics suggests a promising approach for combating antibiotic resistance. Further research and development in this area could lead to the development of more effective treatment strategies against MDR infections.
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Affiliation(s)
- Mina Masoudi
- Department of Pathobiology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran; Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Mansour Mashreghi
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran; Industrial Biotechnology Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran; Nano Research Center, Ferdowsi University of Mashhad, Mashhad, Iran.
| | - Alireza Zenhari
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Amirala Mashreghi
- Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Geng S, Hao P, Wang D, Zhong P, Tian F, Zhang R, Qiao J, Qiu X, Bao P. Zinc oxide nanoparticles have biphasic roles on Mycobacterium-induced inflammation by activating autophagy and ferroptosis mechanisms in infected macrophages. Microb Pathog 2023; 180:106132. [PMID: 37201638 DOI: 10.1016/j.micpath.2023.106132] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 04/28/2023] [Accepted: 04/28/2023] [Indexed: 05/20/2023]
Abstract
The ability of zinc oxide nanoparticles (ZnONPs) to induce bacteriostasis in Mycobacterium tuberculosis (M. tb) and their roles in regulating the pathogenic activities of immune cells have been reported previously, but the specific mechanisms underlying these regulatory functions remain unclear. This work aimed to determine how ZnONPs play the antibacterial role against M. tb. In vitro activity assays were employed to determine the minimum inhibitory concentrations (MICs) of the ZnONPs against various strains of M. tb (BCG, H37Rv, and clinical susceptible MDR and XDR strains). The ZnONPs had MICs of 0.5-2 mg/L against all tested isolates. In addition, changes in the expression levels of autophagy and ferroptosis-related markers in BCG-infected macrophages exposed to ZnONPs were measured. BCG-infected mice that were administered ZnONPs were used to determine the ZnONPs functions in vivo. ZnONPs decreased the number of bacteria engulfed by the macrophages in a dose-dependent manner, while different doses of ZnONPs also affected inflammation in different directions. Although ZnONPs enhanced the BCG-induced autophagy of macrophages in a dose-dependent manner, only low doses of ZnONPs activated autophagy mechanisms by increasing the levels of pro-inflammatory factors. The ZnONPs also enhanced BCG-induced ferroptosis of macrophages at high doses. Co-administration of a ferroptosis inhibitor with the ZnONPs improved the anti-Mycobacterium activity of ZnONPs in an in vivo mouse model and alleviated acute lung injury caused by ZnONPs. Based on the above findings, we conclude that ZnONPs may act as potential antibacterial agents in future animal and clinical studies.
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Affiliation(s)
- SiJia Geng
- Graduate School, Hebei North University, Zhangjiakou, Hebei Province, 075000, PR China
| | - PengFei Hao
- Graduate School, Hebei North University, Zhangjiakou, Hebei Province, 075000, PR China
| | - Di Wang
- The Eighth Medical Center of Chinese PLA General Hospital, Pulmonary and Critical Care Medicine Faculty of Chinese PLA General Hospital, Beijing, 100093, PR China
| | - Pengfei Zhong
- Graduate School, Hebei North University, Zhangjiakou, Hebei Province, 075000, PR China
| | - Fangfang Tian
- The Eighth Medical Center of Chinese PLA General Hospital, Pulmonary and Critical Care Medicine Faculty of Chinese PLA General Hospital, Beijing, 100093, PR China
| | - Rui Zhang
- The Eighth Medical Center of Chinese PLA General Hospital, Pulmonary and Critical Care Medicine Faculty of Chinese PLA General Hospital, Beijing, 100093, PR China
| | - Juan Qiao
- The Eighth Medical Center of Chinese PLA General Hospital, Pulmonary and Critical Care Medicine Faculty of Chinese PLA General Hospital, Beijing, 100093, PR China.
| | - Xiaochen Qiu
- Department of General Surgery, The Eighth Medical Center of Chinese PLA General Hospital, Beijing, 100093, PR China.
| | - Pengtao Bao
- The Eighth Medical Center of Chinese PLA General Hospital, Pulmonary and Critical Care Medicine Faculty of Chinese PLA General Hospital, Beijing, 100093, PR China.
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Elimination of pathogenic multidrug resistant isolates through different metal oxide nanoparticles synthesized from organic plant and microbial sources. Microb Pathog 2023; 178:106055. [PMID: 36914056 DOI: 10.1016/j.micpath.2023.106055] [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: 11/03/2022] [Revised: 02/21/2023] [Accepted: 03/03/2023] [Indexed: 03/13/2023]
Abstract
Beta-hemolytic multidrug-resistant bacteria (MDR) are highly regarded as a major public health risk because they are resistant to at least 10 antibiotics in different groups with different mechanisms of action. The present study shows that among 98 bacterial isolates collected from laboratory fecal samples: 15 were beta-hemolytic and tested against 10 different antibiotics. 15 beta-hemolytic; 5 isolates exhibit strong multidrug resistance traits. Isolate 5 Escherichia coli (E. coli), Isolate 7 (E. coli), Isolate 21 (Enterococcus faecium), Isolate 27 (Staphylococcus sciuri), and isolate 36 (E. coli) are largely untested antibiotics. Substances (clear zone >10 mm) Its growth sensitivity to different types of nanoparticles was further evaluated by the agar well diffusion method. AgO, TiO2, ZnO, and Fe3O4 nanoparticles have been separately synthesized by microbial and plant-mediated biosynthesis. By evaluating the antibacterial activity of different nanoparticle types against selected MDR isolates, the results showed that global MDR bacterial growth was inhibited differently depending on the nanoparticle type. TiO2 was the most potent antibacterial nanoparticle type, followed by AgO, while Fe3O4 showed the least efficacy against selected isolates. The MICs of microbially synthesized AgO and TiO2 nanoparticles were 3 μg (67.2 μg/mL) and 9 μg (180 μg/mL) for isolates 5 and 27, respectively, indicating that biosynthetic nanoparticles via pomegranate of antibacterial activity at a higher MIC than microbial-mediated ones, it recorded (300 and 375 μg/ml, respectively) of AgO and TiO2 nanoparticles for isolates 5 and 27. Biosynthesized nanoparticles were examined by TEM, the average sizes of microbial AgO and TiO2 nanoparticles were 30 nm and 70 nm, respectively, and the average sizes of plant mediated AgO and TiO2 NPs were 52 nm and 82 nm respectively. Two most potent extensive MDR isolates (5 and 27) were identified as E. coli and Staphylococcus sciuri by 16s rDNA technology, and the sequencing results of the isolates were deposited with NCBI GenBank under accession numbers ON739202 and ON739204, respectively.
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Kamaraj C, Ragavendran C, Manimaran K, Sarvesh S, Islam ARMT, Malafaia G. Green synthesis of silver nanoparticles from Cassia Auriculata: Targeting antibacterial, antioxidant activity, and evaluation of their possible effects on saltwater microcrustacean, Artemia Nauplii (non-target organism). THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 861:160575. [PMID: 36462660 DOI: 10.1016/j.scitotenv.2022.160575] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/25/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
Due to their huge surface area to volume ratio, metallic nanoparticles are becoming increasingly important in numerous spheres of life. Here, initially, we aimed to evaluate the potential use of Cassia auriculata (CA) extract to synthesize silver nanoparticles (AgNPs). Then, we evaluated its antimicrobial potential and antioxidant capacity, as well as performed in silico analysis, and investigated the possible non-toxic effect of AgNPs on Artemia nauplii. Fourier transform infrared (FTIR) spectroscopy, scanning and transmission electron microscopy (SEM/TEM), energy dispersive spectroscopy (EDX), X-ray diffraction (XRD), and dynamic light scattering (DLS) studies were used to characterize the biosynthesized AgNPs. Our data indicate that Bacillus cereus, Escherichia coli, Klebsiella pneumoniae, and Staphylococcus aureus bacteria were susceptible to the biosynthesized AgNPs, whose effect was concentration-response. With a ZOI of 10 mm, the AgNPs were most efficient against gram-positive B. cereus bacteria at the highest concentration (75 μg/mL). The biosynthesized AgNPs (at 25 to 125 μg/mL) showed good antioxidant activity in the DPPH (2,2-diphenyl-1-picryl-hydrazyl-hydrate) and FRAP (ferric reducing antioxidant power) assays. Oleanolic acid from CA exhibited strong binding affinity and high binding energy to E. coli and B. cereus (-9.66 and - 9.74 kcal/mol) on in silico research. According to the comparative non-toxicity analysis, AgNPs, AgNO3, and CA bark extract had the least toxic effects on A. nauplii, with respective mortality rates of 28.14, 32.26, and 38.42 %, respectively. In conclusion, the current work showed that AgNPs produced from CA bark could be a promising material for diverse applications.
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Affiliation(s)
- Chinnaperumal Kamaraj
- Interdisciplinary Institute of Indian System of Medicine (IIISM), Directorate of Research, SRM Institute of Science and Technology (SRMIST), Kattankulathur 603203, Tamil Nadu, India.
| | - Chinnasamy Ragavendran
- Department of Conservative Dentistry and Endodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 600077, India
| | - Kumar Manimaran
- Department of Botany, School of Life Sciences, Periyar University, Periyar Palkalai Nagar, Salem 636011, Tamil Naddu, India
| | - Sabarathinam Sarvesh
- Interdisciplinary Institute of Indian System of Medicine (IIISM), Directorate of Research, SRM Institute of Science and Technology (SRMIST), Kattankulathur 603203, Tamil Nadu, India
| | | | - Guilherme Malafaia
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil; Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil.
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Impact of Ag/ZnO Reinforcements on the Anticancer and Biological Performances of CA@Ag/ZnO Nanocomposite Materials. Molecules 2023; 28:molecules28031290. [PMID: 36770957 PMCID: PMC9918913 DOI: 10.3390/molecules28031290] [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: 12/29/2022] [Revised: 01/23/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
In this study, an unpretentious, non-toxic, and cost-effective dissolution casting method was utilized to synthesize a group of anticancer and biologically active hybrid nanocomposite materials containing biopolymer cellulose acetate. Pristine ZnO and Ag(0.01, 0.05, 0.1)/ZnO hybrid nanofillers based on variable Ag NP loadings were prepared via green procedures in the presence of gum arabic (GA). The chemical structures and the morphological features of the designed nanocomposite materials were investigated by PXRD, TEM, SEM, FTIR, TGA, and XPS characterization techniques. The characterization techniques confirmed the formation of CA@Ag(0.01, 0.05, 0.1)/ZnO hybrid nanocomposite materials with an average crystallite size of 15 nm. All investigated materials showed two degradation steps. The thermal stability of the fabricated samples was ranked in the following order: CA/ZnO < CA@Ag(0.01)/ZnO < CA@Ag(0.05)/ZnO = CA@Ag(0.1)/ZnO. Hence, the higher Ag doping level slightly enhanced the thermal stability. The developed nanocomposites were tested against six pathogens and were used as the target material to reduce the number of cancer cells. The presence of Ag NPs had a positive impact on the biological and the anticancer activities of the CA-reinforced Ag/ZnO composite materials. The CA@Ag(0.1)/ZnO hybrid nanocomposite membrane had the highest antimicrobial activity in comparison to the other fabricated materials. Furthermore, the developed CA@Ag(0.1)/ZnO hybrid nanocomposite material effectively induced cell death in breast cancer.
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Silver nanoparticles based on Sulfobutylether-β-cyclodextrin functionalized graphene oxide nanocomposite: synthesized, characterization, and antibacterial activity. Colloids Surf B Biointerfaces 2022; 221:113009. [DOI: 10.1016/j.colsurfb.2022.113009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 10/28/2022] [Accepted: 11/06/2022] [Indexed: 11/11/2022]
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Haj Bloukh S, Edis Z, Abu Sara H, Alhamaidah MA. Antimicrobial Properties of Lepidium sativum L. Facilitated Silver Nanoparticles. Pharmaceutics 2021; 13:pharmaceutics13091352. [PMID: 34575428 PMCID: PMC8466285 DOI: 10.3390/pharmaceutics13091352] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/21/2021] [Accepted: 08/23/2021] [Indexed: 12/23/2022] Open
Abstract
Antibiotic resistance toward commonly used medicinal drugs is a dangerously growing threat to our existence. Plants are naturally equipped with a spectrum of biomolecules and metabolites with important biological activities. These natural compounds constitute a treasure in the fight against multidrug-resistant microorganisms. The development of plant-based antimicrobials through green synthesis may deliver alternatives to common drugs. Lepidium sativum L. (LS) is widely available throughout the world as a fast-growing herb known as garden cress. LS seed oil is interesting due to its antimicrobial, antioxidant, and anti-inflammatory activities. Nanotechnology offers a plethora of applications in the health sector. Silver nanoparticles (AgNP) are used due to their antimicrobial properties. We combined LS and AgNP to prevent microbial resistance through plant-based synergistic mechanisms within the nanomaterial. AgNP were prepared by a facile one-pot synthesis through plant-biomolecules-induced reduction of silver nitrate via a green method. The phytochemicals in the aqueous LS extract act as reducing, capping, and stabilizing agents of AgNP. The composition of the LS-AgNP biohybrids was confirmed by analytical methods. Antimicrobial testing against 10 reference strains of pathogens exhibited excellent to intermediate antimicrobial activity. The bio-nanohybrid LS-AgNP has potential uses as a broad-spectrum microbicide, disinfectant, and wound care product.
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Affiliation(s)
- Samir Haj Bloukh
- Department of Clinical Sciences, College of Pharmacy and Health Science, Ajman University, Ajman P.O. Box 346, United Arab Emirates; (S.H.B.); (H.A.S.); (M.A.A.)
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman P.O. Box 346, United Arab Emirates
| | - Zehra Edis
- Center of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman P.O. Box 346, United Arab Emirates
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Science, Ajman University, Ajman P.O. Box 346, United Arab Emirates
- Correspondence:
| | - Hamid Abu Sara
- Department of Clinical Sciences, College of Pharmacy and Health Science, Ajman University, Ajman P.O. Box 346, United Arab Emirates; (S.H.B.); (H.A.S.); (M.A.A.)
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Science, Ajman University, Ajman P.O. Box 346, United Arab Emirates
| | - Mustafa Ameen Alhamaidah
- Department of Clinical Sciences, College of Pharmacy and Health Science, Ajman University, Ajman P.O. Box 346, United Arab Emirates; (S.H.B.); (H.A.S.); (M.A.A.)
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