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Nagaraja K, Arunpandian M, Tae Hwan O. A facile green synthesis of manganese oxide nanoparticles using gum karaya polymer as a bioreductant for efficient photocatalytic degradation of organic dyes and antibacterial activity. Int J Biol Macromol 2024; 273:133123. [PMID: 38878933 DOI: 10.1016/j.ijbiomac.2024.133123] [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: 03/27/2024] [Revised: 06/08/2024] [Accepted: 06/10/2024] [Indexed: 06/21/2024]
Abstract
The release of organic dyes into water systems, mainly textile industries, poses a significant threat to human and animal health. This approach shows great potential for effectively removing harmful dyes and microorganisms from wastewater treatment for environmental remediation. This study utilized gum karaya polymer bio-reductant to synthesize manganese oxide (MnO2) nanoparticles through a green approach. The synthesized MnO2 nanoparticles were characterized and confirmed by various analytical techniques. These results revealed their nanoscale dimensions, morphology, chemical purity, crystal nature, decolorized intermediate, and band gap. The photocatalytic degradation of hazardous Congo red and methyl orange dyes using KRG-MnO2 nanoparticles under visible light irradiation. Furthermore, the results demonstrated that Congo red dye degradation efficiency of 93.34 % was achieved. The dye concentration (8 to 16 mg/L), pH concentration, and radical trapping were studied. This suggests that holes and hydroxyl radicals play a crucial role in degrading the Congo red dye and demonstrate superior recyclability after three successive cycles and good stability. The possible intermediates from the Congo red dye degradation were identified through LC-MS analysis. The polymer composite MnO2 NPs have displayed notable antibacterial activity against pathogenic bacteria such as Staphylococcus aureus and Escherichia coli. The research indicates that MnO2 nanoparticles functionalized with polymers can efficiently remove pathogens and organic dyes from diverse industrial water treatment processes.
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Affiliation(s)
- Kasula Nagaraja
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk, 38541, Republic of Korea.
| | - Muthuraj Arunpandian
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk, 38541, Republic of Korea
| | - Oh Tae Hwan
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk, 38541, Republic of Korea.
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2
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Zhu X, Tang Q, Zhou X, Momeni MR. Antibiotic resistance and Nanotechnology: A narrative review. Microb Pathog 2024:106741. [PMID: 38871198 DOI: 10.1016/j.micpath.2024.106741] [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: 01/31/2024] [Revised: 06/07/2024] [Accepted: 06/10/2024] [Indexed: 06/15/2024]
Abstract
The rise of antibiotic resistance poses a significant threat to public health worldwide, leading researchers to explore novel solutions to combat this growing problem. Nanotechnology, which involves manipulating materials at the nanoscale, has emerged as a promising avenue for developing novel strategies to combat antibiotic resistance. This cutting-edge technology has gained momentum in the medical field by offering a new approach to combating infectious diseases. Nanomaterial-based therapies hold significant potential in treating difficult bacterial infections by circumventing established drug resistance mechanisms. Moreover, their small size and unique physical properties enable them to effectively target biofilms, which are commonly linked to resistance development. By leveraging these advantages, nanomaterials present a viable solution to enhance the effectiveness of existing antibiotics or even create entirely new antibacterial mechanisms. This review article explores the current landscape of antibiotic resistance and underscores the pivotal role that nanotechnology plays in augmenting the efficacy of traditional antibiotics. Furthermore, it addresses the challenges and opportunities within the realm of nanotechnology for combating antibiotic resistance, while also outlining future research directions in this critical area. Overall, this comprehensive review articulates the potential of nanotechnology in addressing the urgent public health concern of antibiotic resistance, highlighting its transformative capabilities in healthcare.
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Affiliation(s)
- Xunxian Zhu
- Huaqiao University Hospital, Quanzhou, Fujian, 362021, China.
| | - Qiuhua Tang
- Quanzhou First Hospital, Quanzhou, Fujian, 362000, China
| | - Xiaohang Zhou
- Mudanjiang Medical University, Mu Danjiang, Hei Longjiang, China 157012
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Yuwen L, Lu P, Zhang Q, Yang K, Yin Z, Liang B, Wang L. H 2O 2/acid self-supplying double-layer electrospun nanofibers based on ZnO 2 and Fe 3O 4 nanoparticles for efficient catalytic therapy of wound infection. J Mater Chem B 2024. [PMID: 38828762 DOI: 10.1039/d4tb00506f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Catalytic therapy based on nanozymes is promising for the treatment of bacterial infections. However, its therapeutic efficacy is usually restricted by the limited amount of hydrogen peroxide and the weak acidic environment in infected tissues. To solve these issues, we prepared polyvinyl alcohol (PVA)-polyacrylic acid (PAA)-iron oxide (Fe3O4)/polyvinyl alcohol (PVA)-zinc peroxide (ZnO2) double-layer electrospun nanofibers (PPF/PZ NFs). In this design, PVA serves as the carrier for ZnO2 nanoparticles (NPs), Fe3O4 NPs, and PAA. The double-layer structure of nanofibers can spatially separate the PAA and ZnO2 to avoid their reaction with each other during preparation and storage, while in the wet wound bed, PVA can dissolve and PAA can provide H+ ions to promote the generation of hydrogen peroxide and subsequent conversion to hydroxyl radicals for bacteria killing. In vitro experimental results demonstrated that PPF/PZ NFs can reduce the methicillin-resistant Staphylococcus aureus by 3.1 log (99.92%). Moreover, PPF/PZ NFs can efficiently treat the bacterial infection in a mouse wound model and promote wound healing with negligible toxicity to animals, indicating their potential use as "plug-and-play" antibacterial wound dressings. This work provides a novel strategy for the construction of double-layer electrospun nanofibers as catalytic wound dressings with hydrogen peroxide/acid self-supplying properties for the efficient treatment of bacterial infections.
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Affiliation(s)
- Lihui Yuwen
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China.
| | - Pei Lu
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China.
| | - Qi Zhang
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China.
| | - Kaili Yang
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China.
| | - Zhaowei Yin
- Department of Orthopaedic, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, China
| | - Bin Liang
- Department of Orthopaedic, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, China
| | - Lianhui Wang
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China.
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Fauziah N, Safirah NA, Rahmadani IN, Hidayat MN, Fadhilah NA, Djide NJN, Permana AD. Selective Delivery of Clindamycin Using a Combination of Bacterially Sensitive Microparticle and Separable Effervescent Microarray Patch on Bacteria Causing Diabetic Foot Infection. Pharm Res 2024; 41:967-982. [PMID: 38637438 DOI: 10.1007/s11095-024-03697-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 03/30/2024] [Indexed: 04/20/2024]
Abstract
INTRODUCTION Diabetic foot infection (DFI) is one of the complications of diabetes mellitus. Clindamycin (CLY) is one of the antibiotics recommended to treat DFI, but CLY given orally and intravenously still causes many side effects. METHODS In this study, we encapsulated CLY in a bacteria sensitive microparticle system (MP-CLY) using polycaprolactone (PCL) polymer. MP-CLY was then delivered in a separable effervescent microarray patch (MP-CLY-SEMAP), which has the ability to separate between the needle layer and separable layer due to the formation of air bubbles when interacting with interstitial fluid in the skin. RESULT The characterization results of MP-CLY proved that CLY was encapsulated in large amounts as the amount of PCL polymer used increased, and there was no change in the chemical structure of CLY. In vitro release test results showed increased CLY release in media cultured with Staphylococcus aureus bacteria and showed controlled release. The characterization results of MPCLY-SEMAP showed that the developed formula has optimal mechanical and penetration capabilities and can separate in 56 ± 5.099 s. An ex vivo dermatokinetic test on a bacterially infected skin model showed an improvement of CLY dermatokinetic profile from MP-CLY SEMAP and a decrease in bacterial viability by 99.99%. CONCLUSION This research offers proof of concept demonstrating the improved dermatokinetic profile of CLY encapsulated in a bacteria sensitive MP form and delivered via MP-CLY-SEMAP. The results of this research can be developed for future research by testing MP-CLY-SEMAP in vivo in appropriate animal models.
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Affiliation(s)
- Nurul Fauziah
- Faculty of Pharmacy, Hasanuddin University, Makassar, 90245, South Sulawesi, Indonesia
| | - Nur Annisa Safirah
- Faculty of Pharmacy, Hasanuddin University, Makassar, 90245, South Sulawesi, Indonesia
| | - Iis Nurul Rahmadani
- Faculty of Pharmacy, Hasanuddin University, Makassar, 90245, South Sulawesi, Indonesia
| | - Muhammad Nur Hidayat
- Faculty of Pharmacy, Hasanuddin University, Makassar, 90245, South Sulawesi, Indonesia
| | - Nur Azizah Fadhilah
- Faculty of Medicine, Hasanuddin University, Makassar, 90245, South Sulawesi, Indonesia
| | | | - Andi Dian Permana
- Faculty of Pharmacy, Hasanuddin University, Makassar, 90245, South Sulawesi, Indonesia.
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Șerban AM, Nacu I, Rosca I, Ghilan A, Rusu AG, Niță LE, Darie-Niță RN, Chiriac AP. Preparation and Characterization of Polymeric Microparticles Based on Poly(ethylene brassylate-co-squaric Acid) Loaded with Norfloxacin. Pharmaceutics 2024; 16:550. [PMID: 38675211 PMCID: PMC11053867 DOI: 10.3390/pharmaceutics16040550] [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: 03/07/2024] [Revised: 04/10/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
In recent years, increasing interest has been accorded to polyester-based polymer microstructures, driven by their promising potential as advanced drug delivery systems. This study presents the preparation and characterization of new polymeric microparticles based on poly(ethylene brassylate-co-squaric acid) loaded with norfloxacin, a broad-spectrum antibiotic. Polymacrolactone was synthesised in mild conditions through the emulsion polymerization of bio-based and renewable monomers, ethylene brassylate, and squaric acid. The microparticles were obtained using the precipitation technique and subsequently subjected to comprehensive characterization. The impact of the copolymer/drug ratio on various properties of the new system was systematically evaluated, confirming the structure of the copolymer and the encapsulation of norfloxacin. The microspheres are approximately spherical and predominantly homogeneously distributed. The average hydrodynamic diameter of the microparticles falls between 400 and 2000 nm, a decrease that is observed with the increase in norfloxacin content. All samples showed good encapsulation efficiency and drug loading capacity, with the highest values obtained for microparticles synthesised using an equal ratio of copolymer and drug. In vitro drug release results disclose that norfloxacin molecules are released in a sustained biphasic manner for up to 24 h. Antimicrobial activity was also studied, with samples showing very good activity against E. coli and moderate activity against S. aureus and E. faecalis. In addition, HDFA human fibroblast cell cultures demonstrated the cytocompatibility of the microparticles.
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Affiliation(s)
- Alexandru-Mihail Șerban
- Department of Natural Polymers, Bioactive and Biocompatible Materials, "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Isabella Nacu
- Department of Natural Polymers, Bioactive and Biocompatible Materials, "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
- Biomedical Sciences Department, Faculty of Medical Bioengineering, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 9-13 Kogalniceanu Street, 700454 Iasi, Romania
| | - Irina Rosca
- Center of Advanced Research in Bionanoconjugates and Biopolymers, "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Alina Ghilan
- Department of Natural Polymers, Bioactive and Biocompatible Materials, "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Alina Gabriela Rusu
- Department of Natural Polymers, Bioactive and Biocompatible Materials, "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Loredana Elena Niță
- Department of Natural Polymers, Bioactive and Biocompatible Materials, "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Raluca Nicoleta Darie-Niță
- Physical Chemistry of Polymers Department, "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Aurica P Chiriac
- Department of Natural Polymers, Bioactive and Biocompatible Materials, "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
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Avalos-Padilla Y, Fernàndez-Busquets X. Nanotherapeutics against malaria: A decade of advancements in experimental models. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2024; 16:e1943. [PMID: 38426407 DOI: 10.1002/wnan.1943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 11/01/2023] [Accepted: 01/19/2024] [Indexed: 03/02/2024]
Abstract
Malaria, caused by different species of protists of the genus Plasmodium, remains among the most common causes of death due to parasitic diseases worldwide, mainly for children aged under 5. One of the main obstacles to malaria eradication is the speed with which the pathogen evolves resistance to the drug schemes developed against it. For this reason, it remains urgent to find innovative therapeutic strategies offering sufficient specificity against the parasite to minimize resistance evolution and drug side effects. In this context, nanotechnology-based approaches are now being explored for their use as antimalarial drug delivery platforms due to the wide range of advantages and tuneable properties that they offer. However, major challenges remain to be addressed to provide a cost-efficient and targeted therapeutic strategy contributing to malaria eradication. The present work contains a systematic review of nanotechnology-based antimalarial drug delivery systems generated during the last 10 years. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Infectious Disease.
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Affiliation(s)
- Yunuen Avalos-Padilla
- Barcelona Institute for Global Health (ISGlobal, Hospital Clínic-Universitat de Barcelona), Barcelona, Spain
- Nanomalaria Group, Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- Nanoscience and Nanotechnology Institute (IN2UB), University of Barcelona, Barcelona, Spain
| | - Xavier Fernàndez-Busquets
- Barcelona Institute for Global Health (ISGlobal, Hospital Clínic-Universitat de Barcelona), Barcelona, Spain
- Nanomalaria Group, Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Barcelona, Spain
- Nanoscience and Nanotechnology Institute (IN2UB), University of Barcelona, Barcelona, Spain
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7
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Jeong GJ, Rather MA, Khan F, Tabassum N, Mandal M, Kim YM. pH-responsive polymeric nanomaterials for the treatment of oral biofilm infections. Colloids Surf B Biointerfaces 2024; 234:113727. [PMID: 38157766 DOI: 10.1016/j.colsurfb.2023.113727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/14/2023] [Accepted: 12/23/2023] [Indexed: 01/03/2024]
Abstract
Bacterial and fungal pathogens forming oral biofilms present significant public health challenges due to the failure of antimicrobial drugs. The ability of biofilms to lower pH levels results in dental plaque, leading to gingivitis and cavities. Nanoparticles (NPs) have attracted considerable interest for drug delivery and, thus, as a solution to biofilm-related microbial infections. A novel strategy in this regard involves using pH-responsive polymeric NPs within the acidic microenvironment of oral biofilms. The acidity of the oral biofilm microenvironment is governed by carbohydrate metabolism, accumulation of lactic acid, and extracellular DNA of extracellular polymeric substances by oral biofilm-forming microbial pathogens. This acidity also provides an opportunity to enhance antibacterial activity against biofilm cells using pH-responsive drug delivery approaches. Thus, various polymeric NPs loaded with poorly soluble drugs and responsive to the acidic pH of oral biofilms have been developed. This review focuses on various forms of such polymeric NPs loaded with drugs. The fundamental mechanisms of action of pH-responsive polymeric NPs, their cytological toxicity, and in vivo efficacy testing are thoroughly discussed.
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Affiliation(s)
- Geum-Jae Jeong
- Department of Food Science and Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Muzamil Ahmad Rather
- Department of Molecular Biology and Biotechnology, Tezpur University, Napaam, Tezpur 784028 Assam, India
| | - Fazlurrahman Khan
- Institute of Fisheries Sciences, Pukyong National University, Busan 48513, Republic of Korea; Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea.
| | - Nazia Tabassum
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Manabendra Mandal
- Department of Molecular Biology and Biotechnology, Tezpur University, Napaam, Tezpur 784028 Assam, India
| | - Young-Mog Kim
- Department of Food Science and Technology, Pukyong National University, Busan 48513, Republic of Korea; Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea
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Zhang Y, Li L, Liu H, Zhang H, Wei M, Zhang J, Yang Y, Wu M, Chen Z, Liu C, Wang F, Wu Q, Shi J. Copper(II)-infused porphyrin MOF: maximum scavenging GSH for enhanced photodynamic disruption of bacterial biofilm. J Mater Chem B 2024; 12:1317-1329. [PMID: 38229564 DOI: 10.1039/d3tb02577b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
Bacterial biofilm infection is a serious obstacle to clinical therapeutics. Photodynamic therapy (PDT) plays a dynamic role in combating biofilm infection by utilizing reactive oxygen species (ROS)-induced bacterial oxidation injury, showing advantages of mild side effects, spatiotemporal controllability and little drug resistance. However, superfluous glutathione (GSH) present in biofilm and bacteria corporately reduces ROS levels and seriously affects PDT efficiency. Herein, we have constructed a Cu2+-infused porphyrin metal-organic framework (MOF@Cu2+) for the enhanced photodynamic combating of biofilm infection by the maximum depletion of GSH. Our results show that the released Cu2+ from porphyrin MOF@Cu2+ could not only oxidize GSH in biofilm but also consume GSH leaked from ROS-destroyed bacteria, thus greatly weakening the antioxidant system in biofilm and bacteria and dramatically improving the ROS levels. As expected, our dual-enhanced PDT nanoplatform exhibits a strong biofilm eradication ability both in vitro and in an in vivo biofilm-infected mouse model. In addition, Cu2+ can promote biofilm-infected wound closing by provoking cell immigration, collagen sediment and angiogenesis. Besides, no apparent toxicity was detected after treatment with MOF@Cu2+. Overall, our design offers a new paradigm for photodynamic combating biofilm infection.
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Affiliation(s)
- Yaoxin Zhang
- School of Pharmacy, Henan University, Kaifeng 475004, China.
| | - Linpei Li
- School of Pharmacy, Henan University, Kaifeng 475004, China.
| | - Hui Liu
- Department of Pharmacy, Shangqiu First People's Hospital, Shangqiu 476100, China
| | - Haixia Zhang
- School of Pharmacy, Henan University, Kaifeng 475004, China.
| | - Menghao Wei
- School of Pharmacy, Henan University, Kaifeng 475004, China.
| | - Junqing Zhang
- School of Pharmacy, Henan University, Kaifeng 475004, China.
- Key Laboratory of Natural Medicine and Immune-Engineering of Henan Province, Henan University, Kaifeng 475004, China.
| | - Yanwei Yang
- Department of Pharmacy, the First Affiliated Hospital of Henan University, Kaifeng 475001, China
| | - Mengnan Wu
- Institute of Food Safety and Environment Monitoring, College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Zhaowei Chen
- Institute of Food Safety and Environment Monitoring, College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Chaoqun Liu
- School of Pharmacy, Henan University, Kaifeng 475004, China.
- Department of Pharmacy, the First Affiliated Hospital of Henan University, Kaifeng 475001, China
| | - Faming Wang
- School of Public Health, Nantong Key Laboratory of Public Health and Medical Analysis, Nantong University, Nantong 226019, China.
| | - Qiang Wu
- School of Pharmacy, Henan University, Kaifeng 475004, China.
| | - Jiahua Shi
- Key Laboratory of Natural Medicine and Immune-Engineering of Henan Province, Henan University, Kaifeng 475004, China.
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Bharathi D, Lee J, F Albeshr M, Fahad Alrefaei A, Le TT, Mathimani T. Enhanced photocatalytic degradation of polycyclic aromatic hydrocarbon by graphitic carbonitride-nickel (g-C 3N 4-Ni) nanocomposite. CHEMOSPHERE 2023; 345:140464. [PMID: 37852378 DOI: 10.1016/j.chemosphere.2023.140464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 10/03/2023] [Accepted: 10/14/2023] [Indexed: 10/20/2023]
Abstract
The objective of the present study is to synthesize g-C3N4-Ni nanocomposites composed of graphitic carbon nitride and magnetic nickel nanoparticles for benzopyrene degradation, which is one of the most potent polycyclic aromatic hydrocarbons (PAH) molecules. The concocted g-C3N4-Ni nanocomposites contained confined nanospheres with a mean particle dimension of 22 nm. Batch adsorption studies revealed that a rise in adsorbent dosage elevates benzopyrene degradation percentage in both water and soil samples with respect to time. The increase in the benzopyrene concentration did not have much influence on the degradation efficiency, and hence, the minimal concentration of PAH molecule is essential for the effective adsorption by g-C3N4-Ni nanocomposites. The rise in pH tends to increase the degradation of Benzopyrene till 3 h of the incubation period, and beyond 3 h, the degradation percentage declines. With regard to the effect of light source, UV light has been shown to accelerate the degradation of benzopyrene by g-C3N4-Ni nanocomposites than sunlight. The adsorption kinetic and isotherm investigations have proven that the Pseudo-second order kinetic model and Freundlich isotherm model were appropriate for our study. Thus, the g-C3N4-Ni nanocomposites were found to be efficient as a photocatalyst for the adsorption of benzopyrene from environmental samples.
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Affiliation(s)
- Devaraj Bharathi
- School of Chemical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, Republic of Korea
| | - Jintae Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, Republic of Korea
| | - Mohammed F Albeshr
- Department of Zoology, College of Sciences, King Saud University, P.O. Box. 2455, Riyadh, 11451, Saudi Arabia
| | - Abdulwahed Fahad Alrefaei
- Department of Zoology, College of Sciences, King Saud University, P.O. Box. 2455, Riyadh, 11451, Saudi Arabia
| | - T T Le
- Institute of Research and Development, Duy Tan University, Da Nang, Viet Nam; School of Engineering and Technology, Duy Tan University, Da Nang, Viet Nam
| | - Thangavel Mathimani
- Institute of Research and Development, Duy Tan University, Da Nang, Viet Nam; School of Engineering and Technology, Duy Tan University, Da Nang, Viet Nam.
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10
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Yu Z, Zhang X, Zhao Q, Yan X, Wu C, Qing L, He Z, Chen Q, Huang M, Zhao J, Cao M. Urolithin B alleviates Helicobacter pylori-induced inflammation and oxidative stress in mice. Helicobacter 2023; 28:e13016. [PMID: 37623311 DOI: 10.1111/hel.13016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 08/08/2023] [Accepted: 08/08/2023] [Indexed: 08/26/2023]
Abstract
BACKGROUND Helicobacter pylori is one of the most common chronic bacterial infections. Active eradication of H. pylori infection is rare due to the fact that most infected patients are asymptomatic and the use of large amounts of antibiotics in eradication therapy leads to severe side effects. Urolithin B (UB) is an additional major intestinal metabolite of ellagic acid (EA), which has been shown to possess anti-inflammatory, antioxidant, and antiapoptotic biological activities. Preventing the incidence of H. pylori-related gastric disease and reducing the damage to the host by H. pylori is a current approach to control H. pylori infection. In this study, we explored the effect of UB on H. pylori infection. MATERIALS AND METHODS The effects of UB on inflammation and oxidative stress induced by H. pylori in vivo and in vitro were investigated by qPCR, ELISA, HE staining, IHC staining, etc. RESULTS: UB reduced the adhesion and colonization of H. pylori and improved H. pylori-induced inflammation and oxidative stress in vivo and in vitro. Moreover, UB had better anti-inflammatory and antioxidant effects than clarithromycin (CLR) and metronidazole (MET). In addition to inhibiting the secretion of CagA, UB reduced tissue damage by H. pylori infection. CONCLUSIONS UB was effective in improving damage caused by H. pylori.
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Affiliation(s)
- Zhihao Yu
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu, China
- Department of Microbiology, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China
| | - Xiangyue Zhang
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu, China
| | - Qiao Zhao
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu, China
| | - Xin Yan
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu, China
| | - Chengmeng Wu
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu, China
| | - Liting Qing
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu, China
| | - Zongyu He
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu, China
| | - Qian Chen
- Irradiation Preservation Technology Key Laboratory of Sichuan Province, Sichuan Institute of Atomic Energy, Chengdu, China
| | - Min Huang
- Irradiation Preservation Technology Key Laboratory of Sichuan Province, Sichuan Institute of Atomic Energy, Chengdu, China
| | - Jian Zhao
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu, China
| | - Mei Cao
- Core Laboratory, School of Medicine, Sichuan Provincial People's Hospital Affiliated to University of Electronic Science and Technology of China, Chengdu, China
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11
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Muhammad W, Zhang Y, Zhu J, Xie J, Wang S, Wang R, Feng B, Zhou J, Chen W, Xu Y, Yao Q, Yu Y, Cao H, Gao C. Co-delivery of azithromycin and ibuprofen by ROS-responsive polymer nanoparticles synergistically attenuates the acute lung injury. BIOMATERIALS ADVANCES 2023; 154:213621. [PMID: 37714042 DOI: 10.1016/j.bioadv.2023.213621] [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: 06/25/2023] [Revised: 08/22/2023] [Accepted: 09/04/2023] [Indexed: 09/17/2023]
Abstract
Bacterial infection causes lung inflammation and recruitment of several inflammatory factors that may result in acute lung injury (ALI). During bacterial infection, reactive oxygen species (ROS) and other signaling pathways are activated, which intensify inflammation and increase ALI-related mortality and morbidity. To improve the ALI therapy outcome, it is imperative clinically to manage bacterial infection and excessive inflammation simultaneously. Herein, a synergistic nanoplatform (AZI+IBF@NPs) constituted of ROS-responsive polymers (PFTU), and antibiotic (azithromycin, AZI) and anti-inflammatory drug (ibuprofen, IBF) was developed to enable an antioxidative effect, eliminate bacteria, and modulate the inflammatory milieu in ALI. The ROS-responsive NPs (PFTU NPs) loaded with dual-drugs (AZI and IBF) scavenged excessive ROS efficiently both in vitro and in vivo. The AZI+IBF@NPs eradicated Pseudomonas aeruginosa (PA) bacterial strain successfully. To imitate the entry of bacterial-derived compounds in body, a lipopolysaccharide (LPS) model was adopted. The administration of AZI+IBF@NPs via the tail veins dramatically reduced the number of neutrophils, significantly reduced cell apoptosis and total protein concentration in vivo. Furthermore, nucleotide oligomerization domain-like receptor thermal protein domain associated protein 3 (NLRP3) and Interleukin-1 beta (IL-1β) expressions were most effectively inhibited by the AZI+IBF@NPs. These findings present a novel nanoplatform for the effective treatment of ALI.
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Affiliation(s)
- Wali Muhammad
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310058, China
| | - Yiru Zhang
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Jiaqi Zhu
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Jieqi Xie
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310058, China
| | - Shuqin Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310058, China
| | - Ruo Wang
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Bing Feng
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Jiahang Zhou
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Wenyi Chen
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Yanping Xu
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Qigu Yao
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Yingduo Yu
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China
| | - Hongcui Cao
- State Key Laboratory for the Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, 79 Qingchun Rd., Hangzhou 310003, China.
| | - Changyou Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310058, China; Center for Healthcare Materials, Shaoxing Institute, Zhejiang University, Shaoxing 312099, China.
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12
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Fang Y, Liu X, Guo H, Zhang Y, Wu H, Zhou X, Chen X, Qin H, Gao H, Liu Y. AIE Bioconjugates for Accurate Identification and In Vivo Targeted Treatment of Bacterial Infection Based on Bioorthogonal Reaction. Adv Healthc Mater 2023; 12:e2300044. [PMID: 37368932 DOI: 10.1002/adhm.202300044] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/17/2023] [Accepted: 06/26/2023] [Indexed: 06/29/2023]
Abstract
Targeted killing multidrug-resistant bacteria with high efficiency is urgently needed for the treatment of infection with minimal collateral damage. Herein, a new near-infrared (NIR) fluorescence nanoprobe is designed and synthesized with aggregation-induced emission (AIE) features, which also is excellent reactive oxygen species (ROS) generator. The as-prepared AIE nanoparticles (NPs) present outstanding sterilizing rate on methicillin-resistant Staphylococcus aureus (MRSA) and kanamycin-resistant Escherichia coli (KREC). Meanwhile, considering the differences in the surface structure of animal cells and bacteria, a non-invasive image-guided strategy for precise treatment of bacterial infection has been successfully implemented based on bioorthogonal reaction which can perform and control unnatural chemical reactions inside living organisms. The AIE NPs are thus specifically trapped on the bacterial surface while not on the normal cells, realizing real-time tracking of the infected site distribution in vivo and guiding photodynamic therapy (PDT) for eliminating bacteria in inflammation region. That significantly improves the accuracy and sterilization rate of bacterial-infected wounds with negligible side effects. The investigation developed a potential antibacterial agent and also provides an instructive way for targeting treatment based on bioorthogonal reaction.
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Affiliation(s)
- Yuan Fang
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Xin Liu
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Hanqiong Guo
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Yujie Zhang
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Haotian Wu
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Xiao Zhou
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Xiying Chen
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Haijuan Qin
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Heqi Gao
- College of Physics and Optoelectronic Engineering, College of Materials Science and Engineering, Center for AIE Research, Shenzhen University, Shenzhen, 518060, China
| | - Yaqing Liu
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin Key Laboratory of Food Quality and Health, Tianjin University of Science and Technology, Tianjin, 300457, China
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13
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Coats JP, Cochereau R, Dinu IA, Messmer D, Sciortino F, Palivan CG. Trends in the Synthesis of Polymer Nano- and Microscale Materials for Bio-Related Applications. Macromol Biosci 2023; 23:e2200474. [PMID: 36949011 DOI: 10.1002/mabi.202200474] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 02/24/2023] [Indexed: 03/24/2023]
Abstract
Polymeric nano- and microscale materials bear significant potential in manifold applications related to biomedicine. This is owed not only to the large chemical diversity of the constituent polymers, but also to the various morphologies these materials can achieve, ranging from simple particles to intricate self-assembled structures. Modern synthetic polymer chemistry permits the tuning of many physicochemical parameters affecting the behavior of polymeric nano- and microscale materials in the biological context. In this Perspective, an overview of the synthetic principles underlying the modern preparation of these materials is provided, aiming to demonstrate how advances in and ingenious implementations of polymer chemistry fuel a range of applications, both present and prospective.
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Affiliation(s)
- John Peter Coats
- Department of Chemistry, Universitat Basel, Mattenstrasse 24a, Basel, CH-4058, Switzerland
| | - Rémy Cochereau
- Department of Chemistry, Universitat Basel, Mattenstrasse 24a, Basel, CH-4058, Switzerland
| | - Ionel Adrian Dinu
- Department of Chemistry, Universitat Basel, Mattenstrasse 24a, Basel, CH-4058, Switzerland
| | - Daniel Messmer
- Department of Chemistry, Universitat Basel, Mattenstrasse 24a, Basel, CH-4058, Switzerland
| | - Flavien Sciortino
- Department of Chemistry, Universitat Basel, Mattenstrasse 24a, Basel, CH-4058, Switzerland
| | - Cornelia G Palivan
- Department of Chemistry, Universitat Basel, Mattenstrasse 24a, Basel, CH-4058, Switzerland
- National Centre for Competence in Research - Molecular Systems Engineering, Mattenstrasse 24a, Basel, CH-4058, Switzerland
- Swiss Nanoscience Institute, Klingelbergstrasse 82, Basel, CH-4056, Switzerland
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14
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Eskandari F, Mofidi H, Asheghi B, Mohammadi F, Gholami A. Bringing resistance modulation to methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant enterococci (VRE) strains using a quaternary ammonium compound coupled with zinc oxide nanoparticles. World J Microbiol Biotechnol 2023; 39:193. [PMID: 37166585 DOI: 10.1007/s11274-023-03639-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 05/04/2023] [Indexed: 05/12/2023]
Abstract
Nowadays, there are concerns about the inadequacy of new antimicrobials and the rise of antimicrobial resistance. Hence, novel antibacterial agents need to be discovered. In this respect, the use of nanoparticles (NPs) seems promising. Zinc oxide nanoparticles (ZnONPs) are functional and inexpensive NPs that possess antimicrobial characteristics, stability, microbial selectivity, and an easy manufacturing procedure. Imidazolium is one of the quaternary ammonium compounds (QACs) frequently employed as antimicrobial materials in industrial and clinical fields. The present study successfully employed imidazolium to couple with ZnONPs to improve their antimicrobial properties. The antimicrobial activities of ZnONPs doped with imidazolium (IM@ZnONPs) compared to ZnONPs and zinc (Zn) ions against some pathogen microorganism species including Streptococcus aureus (S. aureus), Enterococcus faecalis (E. faecalis), methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant enterococci (VRE), and Candida albicans (C. albicans) were evaluated by the microdilution method. The minimum inhibitory concentration (MIC) results revealed that the antimicrobial activities of Zn ions, ZnONPs, and IM@ZnONPs were concentration-dependent. Moreover, we found that the nanoparticulate forms of Zn had considerably stronger antibacterial activities, particularly against VRE and MRSA, compared to Zn ions which failed to restrain the microbial strains at the tested microdilutions of this experiment (MIC: ≥512 µg/mL). Interestingly, the incorporation of imidazolium into ZnONPs resulted in significant inhibition of microbial growth in antimicrobial-resistant pathogens at low concentrations (MIC: 32 µg/mL) and effectively improved the monodispersity of the final coated NPs in terms of size and morphology. To sum up, IM@ZnONPs can be a favorable substitute for conventional antimicrobial agents to combat antimicrobial resistance in many fields, including pharmaceuticals, dental materials, and cosmetic products.
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Affiliation(s)
- Fateme Eskandari
- Department of Endodontics, Shiraz Dental School, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hossein Mofidi
- Department of Endodontics, Shiraz Dental School, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Bahar Asheghi
- Department of Endodontics, Shiraz Dental School, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fateme Mohammadi
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ahmad Gholami
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
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15
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Wang Y, Liu L, Zheng X, Liu X. Membrane-camouflaged biomimetic nanoparticles as potential immunomodulatory solutions for sepsis: An overview. Front Bioeng Biotechnol 2023; 11:1111963. [PMID: 36970623 PMCID: PMC10036601 DOI: 10.3389/fbioe.2023.1111963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 02/27/2023] [Indexed: 03/12/2023] Open
Abstract
Sepsis is a life-threatening organ dysfunction due to dysregulated host responses induced by infection. The presence of immune disturbance is key to the onset and development of sepsis but has remarkably limited therapeutic options. Advances in biomedical nanotechnology have provided innovative approaches to rebalancing the host immunity. In particular, the technique of membrane-coating has demonstrated remarkable improvements to therapeutic nanoparticles (NPs) in terms of tolerance and stability while also improving their biomimetic performance for immunomodulatory purposes. This development has led to the emergence of using cell-membrane-based biomimetic NPs in treating sepsis-associated immunologic derangements. In this minireview, we present an overview of the recent advances in membrane-camouflaged biomimetic NPs, highlighting their multifaceted immunomodulatory effects in sepsis such as anti-infection, vaccination, inflammation control, reversing of immunosuppression, and targeted delivery of immunomodulatory agents.
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Affiliation(s)
- Yanbei Wang
- School of Culture and Tourism, Chongqing City Management College, Chongqing, China
| | - Liping Liu
- School of Culture and Tourism, Chongqing City Management College, Chongqing, China
| | - Xinchuan Zheng
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, China
- *Correspondence: Xinchuan Zheng, ; Xin Liu,
| | - Xin Liu
- Medical Research Center, Southwest Hospital, Army Military Medical University, Chongqing, China
- *Correspondence: Xinchuan Zheng, ; Xin Liu,
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16
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Phytochemical-Based Nanomaterials against Antibiotic-Resistant Bacteria: An Updated Review. Polymers (Basel) 2023; 15:polym15061392. [PMID: 36987172 PMCID: PMC10058650 DOI: 10.3390/polym15061392] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 02/27/2023] [Accepted: 03/08/2023] [Indexed: 03/18/2023] Open
Abstract
Antibiotic-resistant bacteria (ARB) is a growing global health threat, leading to the search for alternative strategies to combat bacterial infections. Phytochemicals, which are naturally occurring compounds found in plants, have shown potential as antimicrobial agents; however, therapy with these agents has certain limitations. The use of nanotechnology combined with antibacterial phytochemicals could help achieve greater antibacterial capacity against ARB by providing improved mechanical, physicochemical, biopharmaceutical, bioavailability, morphological or release properties. This review aims to provide an updated overview of the current state of research on the use of phytochemical-based nanomaterials for the treatment against ARB, with a special focus on polymeric nanofibers and nanoparticles. The review discusses the various types of phytochemicals that have been incorporated into different nanomaterials, the methods used to synthesize these materials, and the results of studies evaluating their antimicrobial activity. The challenges and limitations of using phytochemical-based nanomaterials, as well as future directions for research in this field, are also considered here. Overall, this review highlights the potential of phytochemical-based nanomaterials as a promising strategy for the treatment against ARB, but also stresses the need for further studies to fully understand their mechanisms of action and optimize their use in clinical settings.
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17
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Rossetto V, Moore-Machacek A, Woods DF, Galvão HM, Shanahan RM, Hickey A, O'Leary N, O'Gara F, McGlacken GP, Reen FJ. Structural modification of the Pseudomonas aeruginosa alkylquinoline cell-cell communication signal, HHQ, leads to benzofuranoquinolines with anti-virulence behaviour in ESKAPE pathogens. MICROBIOLOGY (READING, ENGLAND) 2023; 169. [PMID: 36862576 DOI: 10.1099/mic.0.001303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
Microbial populations have evolved intricate networks of negotiation and communication through which they can coexist in natural and host ecosystems. The nature of these systems can be complex and they are, for the most part, poorly understood at the polymicrobial level. The Pseudomonas Quinolone Signal (PQS) and its precursor 4-hydroxy-2-heptylquinoline (HHQ) are signal molecules produced by the important nosocomial pathogen
Pseudomonas aeruginosa
. They are known to modulate the behaviour of co-colonizing bacterial and fungal pathogens such as Bacillus atropheaus, Candida albicans and Aspergillus fumigatus. While the structural basis for alkyl-quinolone signalling within
P. aeruginosa
has been studied extensively, less is known about how structural derivatives of these molecules can influence multicellular behaviour and population-level decision-making in other co-colonizing organisms. In this study, we investigated a suite of small molecules derived initially from the HHQ framework, for anti-virulence activity against ESKAPE pathogens, at the species and strain levels. Somewhat surprisingly, with appropriate substitution, loss of the alkyl chain (present in HHQ and PQS) did not result in a loss of activity, presenting a more easily accessible synthetic framework for investigation. Virulence profiling uncovered significant levels of inter-strain variation among the responses of clinical and environmental isolates to small-molecule challenge. While several lead compounds were identified in this study, further work is needed to appreciate the extent of strain-level tolerance to small-molecule anti-infectives among pathogenic organisms.
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Affiliation(s)
- Veronica Rossetto
- Faculty of Science and Technology, Universidade do Algarve, Algarve, Portugal.,School of Microbiology, University College Cork, Cork, Ireland
| | | | - David F Woods
- School of Microbiology, University College Cork, Cork, Ireland
| | - Helena M Galvão
- Faculty of Science and Technology, Universidade do Algarve, Algarve, Portugal
| | - Rachel M Shanahan
- School of Chemistry and Analytical and Biological Chemistry Research Facility, University College Cork, Cork, Ireland
| | - Aobha Hickey
- School of Chemistry and Analytical and Biological Chemistry Research Facility, University College Cork, Cork, Ireland
| | - Niall O'Leary
- School of Microbiology, University College Cork, Cork, Ireland
| | - Fergal O'Gara
- School of Microbiology, University College Cork, Cork, Ireland.,Biomerit Research Centre, School of Microbiology, University College Cork, Cork, Ireland.,Wal-yan Respiratory Research Centre, Telethon Kids Institute, Perth, WA, Australia
| | - Gerard P McGlacken
- School of Chemistry and Analytical and Biological Chemistry Research Facility, University College Cork, Cork, Ireland.,Synthesis and Solid State Pharmaceutical Centre, University College Cork, Cork, Ireland
| | - F Jerry Reen
- School of Microbiology, University College Cork, Cork, Ireland.,Synthesis and Solid State Pharmaceutical Centre, University College Cork, Cork, Ireland
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18
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Zhu Z, Gou X, Liu L, Xia T, Wang J, Zhang Y, Huang C, Zhi W, Wang R, Li X, Luo S. Dynamically evolving piezoelectric nanocomposites for antibacterial and repair-promoting applications in infected wound healing. Acta Biomater 2023; 157:566-577. [PMID: 36481503 DOI: 10.1016/j.actbio.2022.11.061] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 11/23/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
Wound healing from bacterial infections is one of the major challenges in the biomedical field. The traditional single administration methods are usually accompanied with side effects or unsatisfactory efficacy. Herein, we design dynamically evolving antibacterial and repair-promoting nanocomposites (NCs) by in situ self-assembling of zeolitic imidazolate framework-8 (ZIF-8) on the surface of barium titanate (BTO), and further loading with a small amount of ciprofloxacin (CIP). The new strategy of combining pH-stimulated drug delivery and ultrasound-controlled sonodyamics has the potential to dynamically evolve in infected wound sites, offering a multifunctional therapy. In vitro study demonstrates that the enhancement generation of reactive oxygen species through the sonodynamic process due to the heterostructures and a small amount of CIP released in an acidic environment are synergistically antibacterial, and the inhibition rate was >99.9%. In addition, reduced sonodynamic effect and Zn2+ generated along with the gradual degradation of ZIF-8 simultanously promote cell migration and tissue regeneration. The in vivo study of full-thickness skin wounds in mouse models demonstrate a healing rate of 99.3% could be achieved under the treatment of BTO@ZIF-8/CIP NCs. This work provides a useful improvement in rational design of multi-stimulus-responsive nanomaterials for wound healing. STATEMENT OF SIGNIFICANCE: A novel piezoelectric nanocomposite was proposed to realize sonodynamic therapy and pH-stimulated drug releasing simultaneously in wound healing treatment. The dynamically evolving structure of the piezoelectric nanocomposite in acidic microenvironment has been theoretically and experimentally verified to contribute to a continuous variation of sonodymanic strength, which accompanied with the gradual releasing of drug and biocompatible Zn2+effectively balanced antibacterial and repair-promoting effects. Both of the in vitro and in vivo study demonstrated that the strategy could significantly accelerate wound healing, inspiring researchers to optimize the design of multi-stimulus-responsive nanomaterials for various applications in biomedical and biomaterial fields.
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Affiliation(s)
- Zixin Zhu
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Xue Gou
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China.
| | - Laiyi Liu
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Tian Xia
- Department of Pathology, Western Theater Command Air Force Hospital, Chengdu 610021, China
| | - Jiayi Wang
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Yimeng Zhang
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Chenjun Huang
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Wei Zhi
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Ran Wang
- BGI-Shenzhen, Shenzhen, Guangdong 518083, China
| | - Xiaohong Li
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Shengnian Luo
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
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19
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Joseph N, Mathew AA, Daniel EC, Balachandran M. Polymer-Carbon nanocomposite: synthesis, optical and biocidal properties. RESULTS IN CHEMISTRY 2023. [DOI: 10.1016/j.rechem.2023.100826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
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20
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Cresti L, Conte G, Cappello G, Brunetti J, Falciani C, Bracci L, Quaglia F, Ungaro F, d’Angelo I, Pini A. Inhalable Polymeric Nanoparticles for Pulmonary Delivery of Antimicrobial Peptide SET-M33: Antibacterial Activity and Toxicity In Vitro and In Vivo. Pharmaceutics 2022; 15:pharmaceutics15010003. [PMID: 36678633 PMCID: PMC9863998 DOI: 10.3390/pharmaceutics15010003] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/12/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
Development of inhalable formulations for delivering peptides to the conductive airways and shielding their interactions with airway barriers, thus enhancing peptide/bacteria interactions, is an important part of peptide-based drug development for lung applications. Here, we report the construction of a biocompatible nanosystem where the antimicrobial peptide SET-M33 is encapsulated within polymeric nanoparticles of poly(lactide-co-glycolide) (PLGA) conjugated with polyethylene glycol (PEG). This system was conceived for better delivery of the peptide to the lungs by aerosol. The encapsulated peptide showed prolonged antibacterial activity, due to its controlled release, and much lower toxicity than the free molecule. The peptide-based nanosystem killed Pseudomonas aeruginosa in planktonic and sessile forms in a dose-dependent manner, remaining active up to 72 h after application. The encapsulated peptide showed no cytotoxicity when incubated with human bronchial epithelial cells from healthy individuals and from cystic fibrosis patients, unlike the free peptide, which showed an EC50 of about 22 µM. In vivo acute toxicity studies in experimental animals showed that the peptide nanosystem did not cause any appreciable side effects, and confirmed its ability to mitigate the toxic and lethal effects of free SET-M33.
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Affiliation(s)
- Laura Cresti
- Laboratory of Clinical Pathology, Santa Maria alle Scotte University Hospital, 53100 Siena, Italy
- SetLance srl, 53100 Siena, Italy
- Department of Medical Biotechnology, University of Siena, 53100 Siena, Italy
| | - Gemma Conte
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania “Luigi Vanvitelli”, 81100 Caserta, Italy
| | - Giovanni Cappello
- SetLance srl, 53100 Siena, Italy
- Department of Medical Biotechnology, University of Siena, 53100 Siena, Italy
| | - Jlenia Brunetti
- Department of Medical Biotechnology, University of Siena, 53100 Siena, Italy
| | - Chiara Falciani
- Department of Medical Biotechnology, University of Siena, 53100 Siena, Italy
| | - Luisa Bracci
- Laboratory of Clinical Pathology, Santa Maria alle Scotte University Hospital, 53100 Siena, Italy
- Department of Medical Biotechnology, University of Siena, 53100 Siena, Italy
| | - Fabiana Quaglia
- Department of Pharmacy, University of Naples Federico II, 80131 Napoli, Italy
| | - Francesca Ungaro
- Department of Pharmacy, University of Naples Federico II, 80131 Napoli, Italy
| | - Ivana d’Angelo
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania “Luigi Vanvitelli”, 81100 Caserta, Italy
- Correspondence: (I.d.); (A.P.)
| | - Alessandro Pini
- Laboratory of Clinical Pathology, Santa Maria alle Scotte University Hospital, 53100 Siena, Italy
- Department of Medical Biotechnology, University of Siena, 53100 Siena, Italy
- Correspondence: (I.d.); (A.P.)
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21
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Yu ZH, Cao M, Wang YX, Yan SY, Qing LT, Wu CM, Li S, Li TY, Chen Q, Zhao J. Urolithin A Attenuates Helicobacter pylori-Induced Damage In Vivo. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:11981-11993. [PMID: 36106620 DOI: 10.1021/acs.jafc.2c03711] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Urolithin A (UA) is a metabolite produced in the gut following the consumption of ellagic acid (EA) rich foods. EA has shown anti-inflammatory, antioxidant, and anticancer properties. Because EA is poorly absorbed in the gastrointestinal tract, urolithins are considered to play a major role in bioactivity. Helicobacter pylori (H. pylori) infection is the most common chronic bacterial infection all over the world. It is potentially hazardous to humans because of its relationship to various gastrointestinal diseases. In this study, we investigated the effect of UA on inflammation by H. pylori. The results indicated that UA attenuated H. pylori-induced inflammation in vitro and in vivo. UA also reduced the secretion of H. pylori virulence factors and tissue injuries in mice. Furthermore, UA decreased the relative abundance of Helicobacteraceae in feces of H. pylori-infected mice. In summary, taking UA effectively inhibited the injury caused by H. pylori.
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Affiliation(s)
- Zhi-Hao Yu
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Mei Cao
- Core Laboratory, School of Medicine, Sichuan Provincial People's Hospital Affiliated to University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Yuan-Xiao Wang
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Shi-Ying Yan
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Li-Ting Qing
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Cheng-Meng Wu
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Shu Li
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Tian-Yi Li
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu 610065, China
| | - Qian Chen
- Irradiation Preservation Technology Key Laboratory of Sichuan Province, Sichuan Institute of Atomic Energy, Chengdu 610101, China
| | - Jian Zhao
- Key Laboratory of Biological Resource and Ecological Environment of Chinese Education Ministry, College of Life Sciences, Sichuan University, Chengdu 610065, China
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22
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Vukoja D, Vlainić J, Ljolić Bilić V, Martinaga L, Rezić I, Brlek Gorski D, Kosalec I. Innovative Insights into In Vitro Activity of Colloidal Platinum Nanoparticles against ESBL-Producing Strains of Escherichia coli and Klebsiella pneumoniae. Pharmaceutics 2022; 14:pharmaceutics14081714. [PMID: 36015339 PMCID: PMC9413765 DOI: 10.3390/pharmaceutics14081714] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 07/29/2022] [Accepted: 08/09/2022] [Indexed: 11/16/2022] Open
Abstract
Growing morbidity and mortality rates due to increase in the number of infections caused by MDR (multi-drug resistant) microorganisms are becoming some of the foremost global health issues. Thus, the need to search for and find novel approaches to fight AMR (antimicrobial resistance) has become obligatory. This study aimed to determine the antimicrobial properties of commercially purchased colloidal platinum nanoparticles by examining the existence and potency of their antibacterial effects and investigating the mechanisms by means of which they express these activities. Antimicrobial properties were investigated with respect to standard laboratory ATCC (American Type Cell Culture) and clinical extended-spectrum beta-lactamase (ESBL)-producing strains of Escherichia (E.) coli and Klebsiella (K.) pneumoniae. Standard microbiological methods of serial microdilution, modulation of microbial cell death kinetics (“time–kill” assays), and biofilm inhibition were used. Bacterial cell wall damage and ROS (reactive oxygen species) levels were assessed in order to explore the mechanisms of platinum nanoparticles’ antibacterial activities. Platinum nanoparticles showed strong antibacterial effects against all tested bacterial strains, though their antibacterial effects were found to succumb to time kinetics. Antibiofilm activity was modest overall and significantly effective only against E. coli strains. By measuring extracellular DNA/RNA and protein concentrations, induced bacterial cell wall damage could be assumed. The determination of ROS levels induced by platinum nanoparticles revealed their possible implication in antibacterial activity. We conclude that platinum nanoparticles exhibit potent antibacterial effects against standard laboratory and resistant strains of E. coli and K. pneumoniae. Both, cell wall damage and ROS induction could have important role as mechanisms of antibacterial activity, and, require further investigation.
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Affiliation(s)
- Damir Vukoja
- Internal Medicine Clinic, University Hospital Dubrava, 10000 Zagreb, Croatia
- Institute for Microbiology, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
| | - Josipa Vlainić
- Division of Molecular Medicine, Ruđer Bošković Institute, 10000 Zagreb, Croatia
- Correspondence: (J.V.); (I.K.)
| | - Vanja Ljolić Bilić
- Institute for Microbiology, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
| | - Lela Martinaga
- Department of Applied Chemistry, Faculty of Textile Technology, University of Zagreb, 10000 Zagreb, Croatia
| | - Iva Rezić
- Department of Applied Chemistry, Faculty of Textile Technology, University of Zagreb, 10000 Zagreb, Croatia
| | - Diana Brlek Gorski
- Croatian Institute of Public Health, Rockefeller Str. 7, 10000 Zagreb, Croatia
| | - Ivan Kosalec
- Institute for Microbiology, Faculty of Pharmacy and Biochemistry, University of Zagreb, 10000 Zagreb, Croatia
- Correspondence: (J.V.); (I.K.)
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23
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Chakraborty N, Jha D, Roy I, Kumar P, Gaurav SS, Marimuthu K, Ng OT, Lakshminarayanan R, Verma NK, Gautam HK. Nanobiotics against antimicrobial resistance: harnessing the power of nanoscale materials and technologies. J Nanobiotechnology 2022; 20:375. [PMID: 35953826 PMCID: PMC9371964 DOI: 10.1186/s12951-022-01573-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 07/25/2022] [Indexed: 11/16/2022] Open
Abstract
Given the spasmodic increment in antimicrobial resistance (AMR), world is on the verge of “post-antibiotic era”. It is anticipated that current SARS-CoV2 pandemic would worsen the situation in future, mainly due to the lack of new/next generation of antimicrobials. In this context, nanoscale materials with antimicrobial potential have a great promise to treat deadly pathogens. These functional materials are uniquely positioned to effectively interfere with the bacterial systems and augment biofilm penetration. Most importantly, the core substance, surface chemistry, shape, and size of nanomaterials define their efficacy while avoiding the development of AMR. Here, we review the mechanisms of AMR and emerging applications of nanoscale functional materials as an excellent substitute for conventional antibiotics. We discuss the potential, promises, challenges and prospects of nanobiotics to combat AMR.
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Affiliation(s)
- Nayanika Chakraborty
- Department of Chemistry, University of Delhi, New Delhi, 110007, India.,Department of Immunology and Infectious Disease Biology, CSIR-Institute of Genomics and Integrative Biology, Sukhdev Vihar, New Delhi, 110025, India
| | - Diksha Jha
- Department of Immunology and Infectious Disease Biology, CSIR-Institute of Genomics and Integrative Biology, Sukhdev Vihar, New Delhi, 110025, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Indrajit Roy
- Department of Chemistry, University of Delhi, New Delhi, 110007, India
| | - Pradeep Kumar
- CSIR-Institute of Genomics and Integrative Biology, Mall Road, Delhi University Campus, 110007, New Delhi, India
| | - Shailendra Singh Gaurav
- Department of Genetics and Plant Breeding, Faculty of Agriculture, Chaudhary Charan Singh University, Meerut, 250004, India
| | - Kalisvar Marimuthu
- National Centre for Infectious Diseases (NCID), Singapore, 308442, Singapore.,Tan Tock Seng Hospital (TTSH), 308433, Singapore, Singapore
| | - Oon-Tek Ng
- National Centre for Infectious Diseases (NCID), Singapore, 308442, Singapore.,Tan Tock Seng Hospital (TTSH), 308433, Singapore, Singapore
| | - Rajamani Lakshminarayanan
- Ocular Infections and Anti-Microbials Research Group, Singapore Eye Research Institute, The Academia, 20 College Road, Singapore, 169856, Singapore. .,Department of Pharmacy, National University of Singapore, Singapore, 117543, Singapore. .,Academic Clinical Program in Ophthalmology and Visual Sciences Academic Clinical Program, Duke-NUS Medical School, Singapore, 169857, Singapore.
| | - Navin Kumar Verma
- Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, Clinical Sciences Building, 11 Mandalay Road, Singapore, 308232, Singapore. .,National Skin Centre, Singapore, 308205, Singapore.
| | - Hemant K Gautam
- Department of Immunology and Infectious Disease Biology, CSIR-Institute of Genomics and Integrative Biology, Sukhdev Vihar, New Delhi, 110025, India.
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24
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Urinary Tract Infections Caused by Uropathogenic Escherichia coli Strains—New Strategies for an Old Pathogen. Microorganisms 2022; 10:microorganisms10071425. [PMID: 35889146 PMCID: PMC9321218 DOI: 10.3390/microorganisms10071425] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/08/2022] [Accepted: 07/12/2022] [Indexed: 02/04/2023] Open
Abstract
Urinary tract infections (UTIs) are among the most common infections worldwide. Uropathogenic Escherichia coli (UPECs) are the main causative agent of UTIs. UPECs initially colonize the human host adhering to the bladder epithelium. Adhesion is followed by the bacterial invasion of urothelial epithelial cells where they can replicate to form compact aggregates of intracellular bacteria with biofilm-like properties. UPEC strains may persist within epithelial urothelial cells, thus acting as quiescent intracellular bacterial reservoirs (QIRs). It has been proposed that host cell invasion may facilitate both the establishment and persistence of UPECs within the human urinary tract. UPEC strains express a variety of virulence factors including fimbrial and afimbrial adhesins, invasins, iron-acquisition systems, and toxins, which cooperate to the establishment of long lasting infections. An increasing resistance rate relative to the antibiotics recommended by current guidelines for the treatment of UTIs and an increasing number of multidrug resistant UPEC isolates were observed. In order to ameliorate the cure rate and improve the outcomes of patients, appropriate therapy founded on new strategies, as alternative to antibiotics, needs to be explored. Here, we take a snapshot of the current knowledge of coordinated efforts to develop innovative anti-infective strategies to control the diffusion of UPECs.
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25
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Di Domenico EG, Oliva A, Guembe M. The Current Knowledge on the Pathogenesis of Tissue and Medical Device-Related Biofilm Infections. Microorganisms 2022; 10:microorganisms10071259. [PMID: 35888978 PMCID: PMC9322301 DOI: 10.3390/microorganisms10071259] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/13/2022] [Accepted: 06/16/2022] [Indexed: 02/04/2023] Open
Abstract
Biofilm is the trigger for the majority of infections caused by the ability of microorganisms to adhere to tissues and medical devices. Microbial cells embedded in the biofilm matrix are highly tolerant to antimicrobials and escape the host immune system. Thus, the refractory nature of biofilm-related infections (BRIs) still represents a great challenge for physicians and is a serious health threat worldwide. Despite its importance, the microbiological diagnosis of a BRI is still difficult and not routinely assessed in clinical microbiology. Moreover, biofilm bacteria are up to 100–1000 times less susceptible to antibiotics than their planktonic counterpart. Consequently, conventional antibiograms might not be representative of the bacterial drug susceptibility in vivo. The timely recognition of a BRI is a crucial step to directing the most appropriate biofilm-targeted antimicrobial strategy.
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Affiliation(s)
- Enea Gino Di Domenico
- Department of Biology and Biotechnology “C. Darwin”, Sapienza University of Rome, 00185 Rome, Italy;
| | - Alessandra Oliva
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, 00185 Rome, Italy;
| | - María Guembe
- Department of Clinical Microbiology and Infectious Diseases, Hospital General Universitario Gregorio Marañón, 28007 Madrid, Spain
- Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain
- Correspondence: ; Tel.: +34-914-269-595
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26
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Saod WM, Hamid LL, Alaallah NJ, Ramizy A. Biosynthesis and antibacterial activity of manganese oxide nanoparticles prepared by green tea extract. BIOTECHNOLOGY REPORTS (AMSTERDAM, NETHERLANDS) 2022; 34:e00729. [PMID: 35686003 PMCID: PMC9171442 DOI: 10.1016/j.btre.2022.e00729] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 04/06/2022] [Accepted: 04/08/2022] [Indexed: 11/05/2022]
Abstract
Manganese oxide nanoparticle (MnO NPs) successfully synthesized and confirmed by many techniques. The characteristic nanoparticles properties of MnO NP were proved by UV–Vis, XRD and FTIR. The shape and size of MnO NPs were demonstrated by SEM equipment. MnO NP exhibited strong antibacterial activity when scanned against pathogenic bacteria.
Amongst chemical and physical techniques, the biosynthesis method of metal nanoparticles has received the interest of many researchers owing to its environmental safety, simplicity and inexpensiveness. Manganese oxide nanoparticles (MnO NPs) were successfully synthesised using green tea extract as the reducing agent and characterised by UV–Vis spectroscopy, X-ray diffractometry and Fourier transform infrared spectroscopy. The shape and size of the MnO NPs were obtained by scanning electron microscopy. The size of the MnO NPs was 20–30 nm. The MnO NPs exhibited strong antibacterial activity against pathogenic bacteria, namely, Escherichia coli, Klebsiella pneumoniae and Pseudomonas aeruginosa, with inhibition zones of 12, 14 and 18 mm, respectively. Moreover, the minimum inhibitory concentration (MIC) of the MnO NPs was 12.5 U/mL as determined by resazurin microtitre assay. The activities of some antibiotics remarkably increased when combined with MnO NPs (at MIC).
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Affiliation(s)
- Wahran M Saod
- Chemistry department, College of science, University Of Anbar, Ramadi, Iraq
| | - Layth L Hamid
- Biology department, College of science, University Of Anbar, Ramadi, Iraq
| | | | - Asmiet Ramizy
- Physics department, College of science, University Of Anbar, Ramadi, Iraq
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27
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Pi J, Zhang Z, Yang E, Chen L, Zeng L, Chen Y, Wang R, Huang D, Fan S, Lin W, Shen H, Xu JF, Zeng G, Shen L. Nanocages engineered from Bacillus Calmette-Guerin facilitate protective Vγ2Vδ2 T cell immunity against Mycobacterium tuberculosis infection. J Nanobiotechnology 2022; 20:36. [PMID: 35033108 PMCID: PMC8760571 DOI: 10.1186/s12951-021-01234-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 12/29/2021] [Indexed: 12/12/2022] Open
Abstract
Tuberculosis (TB), induced by Mycobacterium tuberculosis (Mtb) infection, remains a top killer among infectious diseases. While Bacillus Calmette-Guerin (BCG) is the sole TB vaccine, the clumped-clustered features of BCG in intradermal immunization appear to limit both the BCG protection efficacy and the BCG vaccination safety. We hypothesize that engineering of clumped-clustered BCG into nanoscale particles would improve safety and also facilitate the antigen-presenting-cell (APC)’s uptake and the following processing/presentation for better anti-TB protective immunity. Here, we engineered BCG protoplasts into nanoscale membraned BCG particles, termed as “BCG-Nanocage” to enhance the anti-TB vaccination efficiency and safety. BCG-Nanocage could readily be ingested/taken by APC macrophages selectively; BCG-Nanocage-ingested macrophages exhibited better viability and developed similar antimicrobial responses with BCG-infected macrophages. BCG-Nanocage, like live BCG bacilli, exhibited the robust capability to activate and expand innate-like T effector cell populations of Vγ2+ T, CD4+ T and CD8+ T cells of rhesus macaques in the ex vivo PBMC culture. BCG-Nanocage immunization of rhesus macaques elicited similar or stronger memory-like immune responses of Vγ2Vδ2 T cells, as well as Vγ2Vδ2 T and CD4+/CD8+ T effectors compared to live BCG vaccination. BCG-Nanocage- immunized macaques developed rapidly-sustained pulmonary responses of Vγ2Vδ2 T cells upon Mtb challenge. Furthermore, BCG- and BCG-Nanocage- immunized macaques, but not saline controls, exhibited undetectable Mtb infection loads or TB lesions in the Mtb-challenged lung lobe and hilar lymph node at endpoint after challenge. Thus, the current study well justifies a large pre-clinical investigation to assess BCG-Nanocage for safe and efficacious anti-TB vaccination, which is expected to further develop novel vaccines or adjuvants. ![]()
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Affiliation(s)
- Jiang Pi
- Department of Clinical Immunology, Institute of Laboratory Medicine, School of Medical Technology, The First Dongguan Affiliated Hospital, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, 523808, China. .,Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, IL, 60612, USA.
| | - Zhiyi Zhang
- Department of Microbiology, Zhongshan School of Medicine, Key Laboratory for Tropical Diseases Control of the Ministry of Education, Sun Yat-Sen University, Guangzhou, 510080, Guangdong, China
| | - Enzhuo Yang
- Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, IL, 60612, USA.,Clinic and Research Center of Tuberculosis, Shanghai Key Lab of Tuberculosis, Shanghai Pulmonary Hospital, Institute for Advanced Study, Tongji University School of Medicine, Shanghai, China
| | - Lingming Chen
- Department of Microbiology, Zhongshan School of Medicine, Key Laboratory for Tropical Diseases Control of the Ministry of Education, Sun Yat-Sen University, Guangzhou, 510080, Guangdong, China
| | - Lingchan Zeng
- Clinical Research Center, Department of Medical Records Management, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, 510080, Guangdong, China
| | - Yiwei Chen
- Department of Microbiology, Zhongshan School of Medicine, Key Laboratory for Tropical Diseases Control of the Ministry of Education, Sun Yat-Sen University, Guangzhou, 510080, Guangdong, China
| | - Richard Wang
- Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Dan Huang
- Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Shuhao Fan
- Department of Clinical Immunology, Institute of Laboratory Medicine, School of Medical Technology, The First Dongguan Affiliated Hospital, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, 523808, China
| | - Wensen Lin
- Department of Clinical Immunology, Institute of Laboratory Medicine, School of Medical Technology, The First Dongguan Affiliated Hospital, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, 523808, China
| | - Hongbo Shen
- Clinic and Research Center of Tuberculosis, Shanghai Key Lab of Tuberculosis, Shanghai Pulmonary Hospital, Institute for Advanced Study, Tongji University School of Medicine, Shanghai, China
| | - Jun-Fa Xu
- Department of Clinical Immunology, Institute of Laboratory Medicine, School of Medical Technology, The First Dongguan Affiliated Hospital, Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, 523808, China.
| | - Gucheng Zeng
- Department of Microbiology, Zhongshan School of Medicine, Key Laboratory for Tropical Diseases Control of the Ministry of Education, Sun Yat-Sen University, Guangzhou, 510080, Guangdong, China.
| | - Ling Shen
- Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, IL, 60612, USA.
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28
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Bactericidal Activity of Multilayered Hybrid Structures Comprising Titania Nanoparticles and CdSe Quantum Dots under Visible Light. NANOMATERIALS 2021; 11:nano11123331. [PMID: 34947680 PMCID: PMC8708662 DOI: 10.3390/nano11123331] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 11/28/2021] [Accepted: 11/30/2021] [Indexed: 12/18/2022]
Abstract
Titania nanoparticle/CdSe quantum dot hybrid structures are a promising bactericidal coating that exhibits a pronounced effect against light-sensitive bacteria. Here, we report the results of a comprehensive study of the photophysical properties and bactericidal functionality of these hybrid structures on various bacterial strains. We found that our structures provide the efficient generation of superoxide anions under the action of visible light due to electron transfer from QDs to titania nanoparticles with ~60% efficiency. We also tested the antibacterial activity of hybrid structures on five strains of bacteria. The formed structures combined with visible light irradiation effectively inhibit the growth of Escherichia coli, Bacillus subtilis, and Mycobacterium smegmatis bacteria, the last of which is a photosensitive causative agent model of tuberculosis.
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29
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Recent trends of NFκB decoy oligodeoxynucleotide-based nanotherapeutics in lung diseases. J Control Release 2021; 337:629-644. [PMID: 34375688 DOI: 10.1016/j.jconrel.2021.08.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 08/04/2021] [Accepted: 08/05/2021] [Indexed: 02/07/2023]
Abstract
Nuclear factor κB (NFκB) is a unique protein complex that plays a major role in lung inflammation and respiratory dysfunction. The NFκB signaling pathway, therefore becomes an avenue for the development of potential pharmacological interventions, especially in situations where chronic inflammation is often constitutively active and plays a key role in the pathogenesis and progression of the disease. NFκB decoy oligodeoxynucleotides (ODNs) are double-stranded and carry NFκB binding sequences. They prevent the formation of NFκB-mediated inflammatory cytokines and thus have been employed in the treatment of a variety of chronic inflammatory diseases. However, the systemic administration of naked decoy ODNs restricts their therapeutic effectiveness because of their poor pharmacokinetic profile, instability, degradation by cellular enzymes and their low cellular uptake. Both structural modification and nanotechnology have shown promising results in enhancing the pharmacokinetic profiles of potent therapeutic substances and have also shown great potential in the treatment of respiratory diseases such as asthma, chronic obstructive pulmonary disease and cystic fibrosis. In this review, we examine the contribution of NFκB activation in respiratory diseases and recent advancements in the therapeutic use of decoy ODNs. In addition, we also highlight the limitations and challenges in use of decoy ODNs as therapeutic molecules, cellular uptake of decoy ODNs, and the current need for novel delivery systems to provide efficient delivery of decoy ODNs. Furthermore, this review provides a common platform for discussion on the existence of decoy ODNs, as well as outlining perspectives on the latest generation of delivery systems that encapsulate decoy ODNs and target NFκB in respiratory diseases.
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30
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Cancer Nanopharmaceuticals: Physicochemical Characterization and In Vitro/In Vivo Applications. Cancers (Basel) 2021; 13:cancers13081896. [PMID: 33920840 PMCID: PMC8071188 DOI: 10.3390/cancers13081896] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/07/2021] [Accepted: 04/13/2021] [Indexed: 12/14/2022] Open
Abstract
Physicochemical, pharmacokinetic, and biopharmaceutical characterization tools play a key role in the assessment of nanopharmaceuticals' potential imaging analysis and for site-specific delivery of anti-cancers to neoplastic cells/tissues. If diagnostic tools and therapeutic approaches are combined in one single nanoparticle, a new platform called nanotheragnostics is generated. Several analytical technologies allow us to characterize nanopharmaceuticals and nanoparticles and their properties so that they can be properly used in cancer therapy. This paper describes the role of multifunctional nanoparticles in cancer diagnosis and treatment, describing how nanotheragnostics can be useful in modern chemotherapy, and finally, the challenges associated with the commercialization of nanoparticles for cancer therapy.
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31
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Barani M, Mukhtar M, Rahdar A, Sargazi G, Thysiadou A, Kyzas GZ. Progress in the Application of Nanoparticles and Graphene as Drug Carriers and on the Diagnosis of Brain Infections. Molecules 2021; 26:molecules26010186. [PMID: 33401658 PMCID: PMC7795866 DOI: 10.3390/molecules26010186] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 12/24/2020] [Accepted: 12/29/2020] [Indexed: 12/12/2022] Open
Abstract
The blood–brain barrier (BBB) is the protective sheath around the brain that protects the sensitive microenvironments of the brain. However, certain pathogens, viruses, and bacteria disrupt the endothelial barrier and cause infection and hence inflammation in meninges. Macromolecular therapeutics are unable to cross the tight junctions, thereby limiting their bioavailability in the brain. Recently, nanotechnology has brought a revolution in the field of drug delivery in brain infections. The nanostructures have high targeting accuracy and specificity to the receptors in the case of active targeting, which have made them the ideal cargoes to permeate across the BBB. In addition, nanomaterials with biomimetic functions have been introduced to efficiently cross the BBB to be engulfed by the pathogens. This review focuses on the nanotechnology-based drug delivery approaches for exploration in brain infections, including meningitis. Viruses, bacteria, fungi, or, rarely, protozoa or parasites may be the cause of brain infections. Moreover, inflammation of the meninges, called meningitis, is presently diagnosed using laboratory and imaging tests. Despite attempts to improve diagnostic instruments for brain infections and meningitis, due to its complicated and multidimensional nature and lack of successful diagnosis, meningitis appears almost untreatable. Potential for overcoming the difficulties and limitations related to conventional diagnostics has been shown by nanoparticles (NPs). Nanomedicine now offers new methods and perspectives to improve our knowledge of meningitis and can potentially give meningitis patients new hope. Here, we review traditional diagnosis tools and key nanoparticles (Au-NPs, graphene, carbon nanotubes (CNTs), QDs, etc.) for early diagnosis of brain infections and meningitis.
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Affiliation(s)
- Mahmood Barani
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman 76169-14111, Iran;
| | - Mahwash Mukhtar
- Faculty of Pharmacy, Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, 6720 Szeged, Hungary;
| | - Abbas Rahdar
- Department of Physics, Faculty of Science, University of Zabol, Zabol 538-98615, Iran
- Correspondence: (A.R.); (G.Z.K.); Tel.: +30-2510-462218 (G.Z.K.)
| | - Ghasem Sargazi
- Noncommunicable Diseases Research Center, Bam University of Medical Science, Bam 5166-15731, Iran;
| | - Anna Thysiadou
- Department of Chemistry, International Hellenic University, 65404 Kavala, Greece;
| | - George Z. Kyzas
- Department of Chemistry, International Hellenic University, 65404 Kavala, Greece;
- Correspondence: (A.R.); (G.Z.K.); Tel.: +30-2510-462218 (G.Z.K.)
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