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Ding F, Ma Y, Fan W, Xu J, Pan G. Tailor-made molecular imprints for biological event intervention. Trends Biotechnol 2024; 42:1097-1111. [PMID: 38604879 DOI: 10.1016/j.tibtech.2024.02.015] [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: 10/30/2023] [Revised: 02/28/2024] [Accepted: 02/28/2024] [Indexed: 04/13/2024]
Abstract
Molecular imprints, which are crosslinked architectures containing specific molecular recognition cavities for targeting compounds, have recently transitioned from in vitro diagnosis to in vivo treatment. In current application scenarios, it has become an important topic to create new biomolecular recognition pathways through molecular imprinting, thereby inhibiting the pathogenesis and regulating the development of diseases. This review starts with a pathological analysis, mainly focusing on the corresponding artificial enzymes, enzyme inhibitors and antibody mimics with enhanced functions that are created by molecular imprinting strategies. Recent advances are highlighted in the use of molecular imprints as tailor-made nanomedicines for the prevention of three major diseases: metabolic syndrome, cancer, and bacterial/viral infections.
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Affiliation(s)
- Fan Ding
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Yue Ma
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
| | - Wensi Fan
- Department of Critical Care Medicine, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, China
| | - Jingjing Xu
- Department of Critical Care Medicine, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai 200072, China.
| | - Guoqing Pan
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
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2
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Raviranga NGH, Ramström O. Antimicrobial Delivery Using Metallophore-Responsive Dynamic Nanocarriers. ACS APPLIED BIO MATERIALS 2024; 7:4785-4794. [PMID: 38963757 DOI: 10.1021/acsabm.4c00619] [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] [Indexed: 07/06/2024]
Abstract
The increasing prevalence of multidrug-resistant (MDR) pathogens has promoted the development of innovative approaches, such as drug repurposing, synergy, and efficient delivery, in complement to traditional antibiotics. In this study, we present an approach based on biocompatible nanocarriers containing antimicrobial cations and known antibiotics. The matrices were prepared by coordinating GaIII or InIII to formulations of chitosan/tripolyphosphate or catechol-functionalized chitosan with or without encapsulated antibiotics, yielding particles of 100-200 nm in hydrodynamic diameter. MDR clinical isolates of Pseudomonas aeruginosa were found to be effectively inhibited by the nanocarriers under nutrient-limiting conditions. Fractional inhibitory concentration (FIC) indices revealed that cation- and antibiotic-encapsulated nanomatrices were effective against both Gram-negative and Gram-positive pathogens. Metallophores, such as deferoxamine (DFO), were probed to facilitate the sequestration and transport of the antimicrobial cations GaIII or InIII. Although the antimicrobial activities were less significant with DFO, the eradication of biofilm-associated bacteria showed promising trends against P. aeruginosa and Staphylococcus epidermidis. Interestingly, indium-containing compounds showed enhanced activity on biofilm formation and eradication, neutralizing P. aeruginosa under Fe-limiting conditions. In particular, InIII-cross-linked catechol-modified chitosan matrices were able to inhibit pathogenic growth together with DFO. The nanocarriers showed low cytotoxicity toward A549 cells and improvable CC50 values with NIH/3T3 cells.
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Affiliation(s)
- N G Hasitha Raviranga
- Department of Chemistry, University of Massachusetts Lowell, One University Ave., 01854 Lowell, Massachusetts, United States
| | - Olof Ramström
- Department of Chemistry, University of Massachusetts Lowell, One University Ave., 01854 Lowell, Massachusetts, United States
- Department of Chemistry and Biomedical Sciences, Linnaeus University, SE-39182 Kalmar, Sweden
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3
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Zhao X, Zhong X, Yang S, Deng J, Deng K, Huang Z, Li Y, Yin Z, Liu Y, Viel JH, Wan H. Guiding antibiotics towards their target using bacteriophage proteins. Nat Commun 2024; 15:5287. [PMID: 38902231 PMCID: PMC11190222 DOI: 10.1038/s41467-024-49603-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Accepted: 06/11/2024] [Indexed: 06/22/2024] Open
Abstract
Novel therapeutic strategies against difficult-to-treat bacterial infections are desperately needed, and the faster and cheaper way to get them might be by repurposing existing antibiotics. Nanodelivery systems enhance the efficacy of antibiotics by guiding them to their targets, increasing the local concentration at the site of infection. While recently described nanodelivery systems are promising, they are generally not easy to adapt to different targets, and lack biocompatibility or specificity. Here, nanodelivery systems are created that source their targeting proteins from bacteriophages. Bacteriophage receptor-binding proteins and cell-wall binding domains are conjugated to nanoparticles, for the targeted delivery of rifampicin, imipenem, and ampicillin against bacterial pathogens. They show excellent specificity against their targets, and accumulate at the site of infection to deliver their antibiotic payload. Moreover, the nanodelivery systems suppress pathogen infections more effectively than 16 to 32-fold higher doses of free antibiotics. This study demonstrates that bacteriophage sourced targeting proteins are promising candidates to guide nanodelivery systems. Their specificity, availability, and biocompatibility make them great options to guide the antibiotic nanodelivery systems that are desperately needed to combat difficult-to-treat infections.
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Affiliation(s)
- Xinghong Zhao
- Center for Sustainable Antimicrobials, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China.
- Center for Infectious Diseases Control (CIDC), College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China.
| | - Xinyi Zhong
- Center for Sustainable Antimicrobials, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
- Center for Infectious Diseases Control (CIDC), College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Shinong Yang
- Center for Sustainable Antimicrobials, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
- Center for Infectious Diseases Control (CIDC), College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Jiarong Deng
- Center for Sustainable Antimicrobials, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
- Center for Infectious Diseases Control (CIDC), College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Kai Deng
- Center for Sustainable Antimicrobials, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
- Center for Infectious Diseases Control (CIDC), College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Zhengqun Huang
- Center for Sustainable Antimicrobials, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
- Center for Infectious Diseases Control (CIDC), College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yuanfeng Li
- Translational Medicine Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Zhongqiong Yin
- Center for Sustainable Antimicrobials, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China.
| | - Yong Liu
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang, 325001, China.
| | - Jakob H Viel
- Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, 9747AG, Groningen, Netherlands
| | - Hongping Wan
- Center for Sustainable Antimicrobials, Department of Pharmacy, College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China.
- Center for Infectious Diseases Control (CIDC), College of Veterinary Medicine, Sichuan Agricultural University, Chengdu, 611130, China.
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4
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Han X, Qin Y, Mei C, Jiao F, Khademolqorani S, Nooshin Banitaba S. Current trends and future perspectives of stroke management through integrating health care team and nanodrug delivery strategy. Front Cell Neurosci 2023; 17:1266660. [PMID: 38034591 PMCID: PMC10685387 DOI: 10.3389/fncel.2023.1266660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 09/25/2023] [Indexed: 12/02/2023] Open
Abstract
Stroke is accounted as the second-most mortality and adult disability factor in worldwide, while causes the bleeding promptly and lifetime consequences. The employed functional recovery after stroke is highly variable, allowing to deliver proper interventions to the right stroke patient at a specific time. Accordingly, the multidisciplinary nursing team, and the administrated drugs are major key-building-blocks to enhance stroke treatment efficiency. Regarding the healthcare team, adequate continuum of care have been declared as an integral part of the treatment process from the pre-hospital, in-hospital, to acute post-discharge phases. As a curative perspective, drugs administration is also vital in surviving at the early step and reducing the probability of disabilities in later. In this regard, nanotechnology-based medicinal strategy is exorbitantly burgeoning. In this review, we have highlighted the effectiveness of current clinical care considered by nursing teams to treat stroke. Also, the advancement of drugs through synthesis of miniaturized nanodrug formations relating stroke treatment is remarked. Finally, the remained challenges toward standardizing the healthcare team and minimizing the nanodrugs downsides are discussed. The findings ensure that future works on normalizing the healthcare nursing teams integrated with artificial intelligence technology, as well as advancing the operative nanodrugs can provide value-based stroke cares.
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Affiliation(s)
- Xuelu Han
- Nursing Clinic, Affiliated Hospital of Jilin Medical University, Jilin, China
| | - Yingxin Qin
- Department of Nursing, Affiliated Hospital of Jilin Medical University, Jilin, China
| | - Chunli Mei
- Nursing College, Beihua University, Jilin, China
| | - Feitong Jiao
- Nursing Training Center, School of Nursing, Jilin Medical University, Jilin, China
| | - Sanaz Khademolqorani
- Department of Textile Engineering, Isfahan University of Technology, Isfahan, Iran
- Emerald Experts Laboratory, Isfahan Science and Technology Town, Isfahan, Iran
| | - Seyedeh Nooshin Banitaba
- Emerald Experts Laboratory, Isfahan Science and Technology Town, Isfahan, Iran
- Department of Textile Engineering, Amirkabir University of Technology, Tehran, Iran
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5
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Shen S, Yang K, Lin D. Biomacromolecular and Toxicity Responses of Bacteria upon the Nano-Bio Interfacial Interactions with Ti 3C 2T x Nanosheets. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:12991-13003. [PMID: 37608586 DOI: 10.1021/acs.est.3c02397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
The biomolecular responses of bacteria to 2D nanosheets that result from nano-bio interfacial interactions remain to be thoroughly examined. Herein, Fourier transform infrared (FTIR) multivariate and 2D correlation analyses were performed to assess the composition and conformational changes in bacterial biomacromolecules (lipids, polysaccharides, and carbohydrates) upon exposure to Ti3C2Tx nanosheets. General toxicity assays, 3D excitation-emission matrix fluorescence analyses, extended Derjaguin-Landau-Verwey-Overbeek theory interaction calculations, and isothermal titration calorimetry were also performed. Our results demonstrate that Ti3C2Tx nanosheets considerably impact Gram-positive bacteria (Bacillus subtilis), causing oxidative damage and inactivation by preferentially interacting with and disrupting the cell walls. The bilayer membrane structure of Gram-negative bacteria (Escherichia coli) endows them with increased resistance to Ti3C2Tx nanosheets. The unmodified nanosheets had a higher affinity to bacterial protein components with lower toxicity due to their susceptibility to oxidation. Surface modification with KOH or hydrazine (HMH), particularly HMH, induced stronger dispersion, antioxidation, and affinity to bacterial phospholipids, which resulted in severe cell membrane lipid peroxidation and bacterial inactivation. These findings provide valuable insight into nano-bio interfacial interactions, which can facilitate the development of antimicrobial and antifouling surfaces and contribute to the evaluation of the environmental risks of nanomaterials.
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Affiliation(s)
- Shuyi Shen
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Kun Yang
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Daohui Lin
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Zhejiang University, Hangzhou 310058, China
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6
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Piksa M, Lian C, Samuel IC, Pawlik KJ, Samuel IDW, Matczyszyn K. The role of the light source in antimicrobial photodynamic therapy. Chem Soc Rev 2023; 52:1697-1722. [PMID: 36779328 DOI: 10.1039/d0cs01051k] [Citation(s) in RCA: 66] [Impact Index Per Article: 66.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
Antimicrobial photodynamic therapy (APDT) is a promising approach to fight the growing problem of antimicrobial resistance that threatens health care, food security and agriculture. APDT uses light to excite a light-activated chemical (photosensitiser), leading to the generation of reactive oxygen species (ROS). Many APDT studies confirm its efficacy in vitro and in vivo against bacteria, fungi, viruses and parasites. However, the development of the field is focused on exploring potential targets and developing new photosensitisers. The role of light, a crucial element for ROS production, has been neglected. What are the main parameters essential for effective photosensitiser activation? Does an optimal light radiant exposure exist? And finally, which light source is best? Many reports have described the promising antibacterial effects of APDT in vitro, however, its application in vivo, especially in clinical settings remains very limited. The restricted availability may partially be due to a lack of standard conditions or protocols, arising from the diversity of selected photosensitising agents (PS), variable testing conditions including light sources used for PS activation and methods of measuring anti-bacterial activity and their effectiveness in treating bacterial infections. We thus sought to systematically review and examine the evidence from existing studies on APDT associated with the light source used. We show how the reduction of pathogens depends on the light source applied, radiant exposure and irradiance of light used, and type of pathogen, and so critically appraise the current state of development of APDT and areas to be addressed in future studies. We anticipate that further standardisation of the experimental conditions will help the field advance, and suggest key optical and biological parameters that should be reported in all APDT studies. More in vivo and clinical studies are needed and are expected to be facilitated by advances in light sources, leading to APDT becoming a sustainable, alternative therapeutic option for bacterial and other microbial infections in the future.
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Affiliation(s)
- Marta Piksa
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Science, Weigla 12, 53-114, Wroclaw, Poland
| | - Cheng Lian
- Organic Semiconductor Centre, SUPA, School of Physics and Astronomy, University of St Andrews, Fife, KY16 9SS, UK.
| | - Imogen C Samuel
- School of Medicine, University of Manchester, Manchester, M13 9PL, UK
| | - Krzysztof J Pawlik
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Science, Weigla 12, 53-114, Wroclaw, Poland
| | - Ifor D W Samuel
- Organic Semiconductor Centre, SUPA, School of Physics and Astronomy, University of St Andrews, Fife, KY16 9SS, UK.
| | - Katarzyna Matczyszyn
- Institute of Advanced Materials, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370 Wroclaw, Poland.
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7
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Zhou Z, Kai M, Wang S, Wang D, Peng Y, Yu Y, Gao W, Zhang L. Emerging nanoparticle designs against bacterial infections. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2023:e1881. [PMID: 36828801 DOI: 10.1002/wnan.1881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 01/03/2023] [Accepted: 01/06/2023] [Indexed: 02/26/2023]
Abstract
The rise of antibiotic resistance has caused the prevention and treatment of bacterial infections to be less effective. Therefore, researchers turn to nanomedicine for novel and effective antibacterial therapeutics. The effort resulted in the first-generation antibacterial nanoparticles featuring the ability to improve drug tolerability, circulation half-life, and efficacy. Toward developing the next-generation antibacterial nanoparticles, researchers have integrated design elements that emphasize physical, broad-spectrum, biomimetic, and antivirulence mechanisms. This review highlights four emerging antibacterial nanoparticle designs: inorganic antibacterial nanoparticles, responsive antibacterial nanocarriers, virulence nanoscavengers, and antivirulence nanovaccines. Examples in each design category are selected and reviewed, and their structure-function relationships are discussed. These emerging designs open the door to nontraditional antibacterial nanomedicines that rely on mechano-bactericidal, function-driven, nature-inspired, or virulence-targeting mechanisms to overcome antibiotic resistance for more effective antibacterial therapy. This article is categorized under: Therapeutic Approaches and Drug Discovery > Nanomedicine for Infectious Disease.
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Affiliation(s)
- Zhidong Zhou
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, California, USA
| | - Mingxuan Kai
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, California, USA
| | - Shuyan Wang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, California, USA
| | - Dan Wang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, California, USA
| | - Yifei Peng
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, California, USA
| | - Yiyan Yu
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, California, USA
| | - Weiwei Gao
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, California, USA
| | - Liangfang Zhang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, California, USA
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8
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Molecularly Imprinted Ligand-Free Nanogels for Recognizing Bee Venom-Originated Phospholipase A2 Enzyme. Polymers (Basel) 2022; 14:polym14194200. [PMID: 36236149 PMCID: PMC9571764 DOI: 10.3390/polym14194200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/03/2022] [Accepted: 10/05/2022] [Indexed: 11/16/2022] Open
Abstract
In this study, ligand-free nanogels (LFNGs) as potential antivenom mimics were developed with the aim of preventing hypersensitivity and other side effects following massive bee attacks. For this purpose, poly (ethylene glycol) diacrylate was chosen as a main synthetic biocompatible matrix to prepare the experimental LFNGs. The overall concept uses inverse mini-emulsion polymerization as the main route to deliver nanogel caps with complementary cavities for phospholipase A2 (PLA2) from bee venom, created artificially with the use of molecular imprinting (MI) technologies. The morphology and the hydrodynamic features of the nanogels were confirmed by transmission electron microscopy (TEM) and dynamic light scattering (DLS) analysis. The following rebinding experiments evidenced the specificity of molecularly imprinted LFNG for PLA2, with rebinding capacities up to 8-fold higher compared to the reference non-imprinted nanogel, while the in vitro binding assays of PLA2 from commercial bee venom indicated that such synthetic nanogels are able to recognize and retain the targeted PLA2 enzyme. The results were finally collaborated with in vitro cell-viability experiments and resulted in a strong belief that such LFNG may actually be used for future therapies against bee envenomation.
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9
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Polat HK, Kurt N, Aytekin E, Bozdağ Pehlivan S, Çalış S. Novel Drug Delivery Systems to Improve the Treatment of Keratitis. J Ocul Pharmacol Ther 2022; 38:376-395. [PMID: 35763406 DOI: 10.1089/jop.2021.0127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Keratitis is a disease characterized by inflammation of the cornea caused by different pathogens. It can cause serious visual morbidity if not treated quickly. Depending on the pathogen causing keratitis, eye drops containing antibacterial, antifungal, or antiviral agents such as besiloxacin, moxifloxacin, ofloxacin, voriconazol, econazole, fluconazole, and acyclovir are used, and these drops need to be applied frequently due to their low bioavailability. Studies are carried out on formulations with extended residence time in the cornea and increased permeability. These formulations include various new drug delivery systems such as inserts, nanoparticles, liposomes, niosomes, cubosomes, microemulsions, in situ gels, contact lenses, nanostructured lipid carriers, carbon quantum dots, and microneedles. Ex vivo and in vivo studies with these formulations have shown that the residence time of the active substances in the cornea is prolonged, and their ocular bioavailability is increased. In addition, in vivo studies have shown that these formulations successfully treat keratitis. However, it has been observed that fluoroquinolones are used in most of the studies; similar drug delivery systems are generally preferred for antifungal drugs, and studies for viral and acanthameba keratitis are limited. There is a need for new studies on different types of keratitis and different drug active substances. At the same time, proving the efficacy of drug delivery systems, which give promising results in in vivo animal models, with clinical studies is of great importance for progress in the treatment of keratitis.
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Affiliation(s)
- Heybet Kerem Polat
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey.,Department of Pharmaceutical Technology, Faculty of Pharmacy, Erzincan Binali Yıldırım University, Erzincan, Turkey
| | - Nihat Kurt
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey.,Department of Pharmaceutical Technology, Faculty of Pharmacy, Tokat Gaziosmanpaşa University, Tokat, Turkey
| | - Eren Aytekin
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
| | - Sibel Bozdağ Pehlivan
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
| | - Sema Çalış
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
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Thomas-Moore BA, Del Valle CA, Field RA, Marín MJ. Recent advances in nanoparticle-based targeting tactics for antibacterial photodynamic therapy. Photochem Photobiol Sci 2022; 21:1111-1131. [PMID: 35384638 PMCID: PMC9287206 DOI: 10.1007/s43630-022-00194-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 02/23/2022] [Indexed: 12/21/2022]
Abstract
Abstract The rise of antibacterial drug resistance means treatment options are becoming increasingly limited. We must find ways to tackle these hard-to-treat drug-resistant and biofilm infections. With the lack of new antibacterial drugs (such as antibiotics) reaching the clinics, research has switched focus to exploring alternative strategies. One such strategy is antibacterial photodynamic therapy (aPDT), a system that relies on light, oxygen, and a non-toxic dye (photosensitiser) to generate cytotoxic reactive oxygen species. This technique has already been shown capable of handling both drug-resistant and biofilm infections but has limited clinical approval to date, which is in part due to the low bioavailability and selectivity of hydrophobic photosensitisers. Nanotechnology-based techniques have the potential to address the limitations of current aPDT, as already well-documented in anti-cancer PDT. Here, we review recent advances in nanoparticle-based targeting tactics for aPDT. Graphical Abstract ![]()
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Affiliation(s)
- Brydie A Thomas-Moore
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK.
- Norwich Research Park Innovation Centre, Iceni Glycoscience Ltd, Colney Lane, Norwich, NR4 7GJ, UK.
| | - Carla Arnau Del Valle
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK
| | - Robert A Field
- Norwich Research Park Innovation Centre, Iceni Glycoscience Ltd, Colney Lane, Norwich, NR4 7GJ, UK
- Department of Chemistry and Manchester Institute of Biotechnology, The University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK
| | - María J Marín
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich, NR4 7TJ, UK.
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Shevchenko KG, Garkushina IS, Canfarotta F, Piletsky SA, Barlev NA. Nano-molecularly imprinted polymers (nanoMIPs) as a novel approach to targeted drug delivery in nanomedicine. RSC Adv 2022; 12:3957-3968. [PMID: 35425427 PMCID: PMC8981171 DOI: 10.1039/d1ra08385f] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/14/2022] [Indexed: 12/12/2022] Open
Abstract
Molecularly imprinted polymers - MIPs - denote synthetic polymeric structures that selectively recognize the molecule of interest against which MIPs are templated. A number of works have demonstrated that MIPs can exceed the affinity and selectivity of natural antibodies, yet operating by the same principle of "lock and key". In contrast to antibodies, which have certain limitations related to the minimal size of the antigen, nanoMIPs can be fabricated against almost any target molecule irrespective of its size and low immunogenicity. Furthermore, the cost of MIP production is much lower compared to the cost of antibody production. Excitingly, MIPs can be used as nanocontainers for specific delivery of therapeutics both in vitro and in vivo. The adoption of the solid phase synthesis rendered MIPs precise reproducible characteristics and, as a consequence, improved the controlled release of therapeutic payloads. These major breakthroughs paved the way for applicability of MIPs in medicine as a novel class of therapeutics. In this review, we highlight recent advances in the fabrication of MIPs, mechanisms of controlled release from the MIPs, and their applicability in biomedical research.
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Affiliation(s)
- Konstantin G Shevchenko
- Institute of Cytology RAS St. Petersburg Russia
- Institute of Biomedical Chemistry RAS Moscow Russia
| | | | | | | | - Nickolai A Barlev
- Institute of Cytology RAS St. Petersburg Russia
- Institute of Biomedical Chemistry RAS Moscow Russia
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12
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Tse Sum Bui B, Auroy T, Haupt K. Fighting Antibiotic‐Resistant Bacteria: Promising Strategies Orchestrated by Molecularly Imprinted Polymers. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202106493] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Bernadette Tse Sum Bui
- CNRS Laboratory for Enzyme and Cell Engineering Université de Technologie de Compiègne Rue du Docteur Schweitzer, CS 60319 60203 Compiègne Cedex France
| | - Tiffany Auroy
- CNRS Laboratory for Enzyme and Cell Engineering Université de Technologie de Compiègne Rue du Docteur Schweitzer, CS 60319 60203 Compiègne Cedex France
| | - Karsten Haupt
- CNRS Laboratory for Enzyme and Cell Engineering Université de Technologie de Compiègne Rue du Docteur Schweitzer, CS 60319 60203 Compiègne Cedex France
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13
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Wang Z, Liu X, Duan Y, Huang Y. Infection microenvironment-related antibacterial nanotherapeutic strategies. Biomaterials 2021; 280:121249. [PMID: 34801252 DOI: 10.1016/j.biomaterials.2021.121249] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 11/04/2021] [Accepted: 11/08/2021] [Indexed: 12/14/2022]
Abstract
The emergence and spread of antibiotic resistance is one of the biggest challenges in public health. There is an urgent need to discover novel agents against the occurrence of multidrug-resistant bacteria, such as methicillin-resistant Staphylococcus aureus and vancomycin-resistant enterococci. The drug-resistant pathogens are able to grow and persist in infected sites, including biofilms, phagosomes, or phagolysosomes, which are more difficult to eradicate than planktonic ones and also foster the development of drug resistance. For years, various nano-antibacterial agents have been developed in the forms of antibiotic nanocarriers. Inorganic nanoparticles with intrinsic antibacterial activity and inert nanoparticles assisted by external stimuli, including heat, photon, magnetism, or sound, have also been discovered. Many of these strategies are designed to target the unique microenvironment of bacterial infections, which have shown potent antibacterial effects in vitro and in vivo. This review summarizes ongoing efforts on antibacterial nanotherapeutic strategies related to bacterial infection microenvironments, including targeted antibacterial therapy and responsive antibiotic delivery systems. Several grand challenges and future directions for the development and translation of effective nano-antibacterial agents are also discussed. The development of innovative nano-antibacterial agents could provide powerful weapons against drug-resistant bacteria in systemic or local bacterial infections in the foreseeable future.
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Affiliation(s)
- Zhe Wang
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan, 410013, China
| | - Xingyun Liu
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan, 410013, China
| | - Yanwen Duan
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan, 410013, China; Hunan Engineering Research Center of Combinatorial Biosynthesis and Natural Product Drug Discover, Changsha, Hunan, 410011, China; National Engineering Research Center of Combinatorial Biosynthesis for Drug Discovery, Changsha, Hunan, 410011, China.
| | - Yong Huang
- Xiangya International Academy of Translational Medicine, Central South University, Changsha, Hunan, 410013, China; National Engineering Research Center of Combinatorial Biosynthesis for Drug Discovery, Changsha, Hunan, 410011, China.
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Tse Sum Bui B, Auroy T, Haupt K. Fighting Antibiotic-Resistant Bacteria : Promising Strategies Orchestrated by Molecularly Imprinted Polymers. Angew Chem Int Ed Engl 2021; 61:e202106493. [PMID: 34779567 DOI: 10.1002/anie.202106493] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Indexed: 11/09/2022]
Abstract
Infections caused by antibiotic-resistant bacteria are difficult and sometimes impossible to treat, making them one of the major public health problems of our time. We highlight how one unique material , molecularly imprinted polymers (MIPs), can orchestrate several strategies to fight this major societal issue. MIPs are tailor-made biomimetic supramolecular receptors that recognize and bind target molecules with a high affinity and selectivity, comparable to those of antibodies. While research on MIPs for combatting cancer has been constantly flourishing, comprehensive work on their involvement in combatting resistant superbugs has been rather scarce. This review aims at filling this gap. We will describe what are the causes of bacterial resistance and at which level MIPs can deploy their weapons. MIPs' targets can be biofilm constituents, quorum sensing messengers, bacterial surface proteins and antibiotic-deactivating enzymes, among others. We will conclude on the current challenges and future developments in this field.
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Affiliation(s)
- Bernadette Tse Sum Bui
- BUTC: Universite de Technologie de Compiegne Bibliotheques de l'Universite de Technologie de Compiegne, GEC, Rue du Docteur Schweitzer, 60203, Compiègne, FRANCE
| | - Tiffany Auroy
- Universite de Technologie de Compiegne, CNRS Laboratory for Enzyme and Cell Engineering, FRANCE
| | - Karsten Haupt
- Universite de Technologie de Compiegne, CNRS Laboratory for Enzyme and Cell Engineering, FRANCE
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Zhang W, Hu E, Wang Y, Miao S, Liu Y, Hu Y, Liu J, Xu B, Chen D, Shen Y. Emerging Antibacterial Strategies with Application of Targeting Drug Delivery System and Combined Treatment. Int J Nanomedicine 2021; 16:6141-6156. [PMID: 34511911 PMCID: PMC8423451 DOI: 10.2147/ijn.s311248] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 08/17/2021] [Indexed: 01/12/2023] Open
Abstract
At present, some bacteria have developed significant resistance to almost all available antibiotics. One of the reasons that cannot be ignored is long-term exposure of bacteria to the sub-minimum inhibitory concentration (MIC) of antibiotics. Therefore, it is necessary to develop a targeted antibiotic delivery system to improve drug delivery behavior, in order to delay the generation of bacterial drug resistance. In recent years, with the continuous development of nanotechnology, various types of nanocarriers that respond to the infection microenvironment, targeting specific bacterial targets, and targeting infected cells, and so on, are gradually being used in the delivery of antibacterial agents to increase the concentration of drugs at the site of infection and reduce the side effects of drugs in normal tissues. Here, this article describes in detail the latest research progress on nanocarriers for antimicrobial, and commonly used targeted antimicrobial strategies. The advantages of the combination of nanotechnology and targeting strategies in combating bacterial infections are highlighted in this review, and the upcoming opportunities and remaining challenges in this field are rationally prospected.
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Affiliation(s)
- Wenli Zhang
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, 210009, People's Republic of China
| | - Enshi Hu
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, 210009, People's Republic of China
| | - Yajie Wang
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, 210009, People's Republic of China
| | - Si Miao
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, 210009, People's Republic of China
| | - Yanyan Liu
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, 210009, People's Republic of China
| | - Yumin Hu
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, 210009, People's Republic of China
| | - Ji Liu
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, 210009, People's Republic of China
| | - Bohui Xu
- School of Pharmacy, Nantong University, Nantong, 226001, People's Republic of China
| | - Daquan Chen
- School of Pharmacy, Yantai University, State Key Laboratory of Long-acting and Targeting Drug Delivery System, Yantai, 264005, People's Republic of China
| | - Yan Shen
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, 210009, People's Republic of China
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Paruch L, Paruch AM, Iordache TV, Olaru AG, Sarbu A. Mitigating Antibiotic Resistance Genes in Wastewater by Sequential Treatment with Novel Nanomaterials. Polymers (Basel) 2021; 13:polym13101593. [PMID: 34063382 PMCID: PMC8157218 DOI: 10.3390/polym13101593] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/05/2021] [Accepted: 05/12/2021] [Indexed: 12/18/2022] Open
Abstract
Wastewater (WW) has been widely recognized as the major sink of a variety of emerging pathogens (EPs), antibiotic-resistant bacteria (ARB) and antibiotic resistance genes (ARGs), which may disseminate and impact wider environments. Improving and maximizing WW treatment efficiency to remove these microbial hazards is fundamentally imperative. Despite a variety of physical, biological and chemical treatment technologies, the efficiency of ARG removal is still far from satisfactory. Within our recently accomplished M-ERA.NET project, novel functionalized nanomaterials, i.e., molecularly imprinted polymer (MIP) films and quaternary ammonium salt (QAS) modified kaolin microparticles, were developed and demonstrated to have significant EP removal effectiveness on both Gram-positive bacteria (GPB) and Gram-negative bacteria (GNB) from WW. As a continuation of this project, we took the further step of exploring their ARG mitigation potential. Strikingly, by applying MIP and QAS functionalized kaolin microparticles in tandem, the ARGs prevalent in wastewater treatment plants (WWTPs), e.g., blaCTXM, ermB and qnrS, can be drastically reduced by 2.7, 3.9 and 4.9 log (copies/100 mL), respectively, whereas sul1, tetO and mecA can be eliminated below their detection limits. In terms of class I integron-integrase I (intI1), a mobile genetic element (MGE) for horizontal gene transfer (HGT), 4.3 log (copies/100 mL) reduction was achieved. Overall, the novel nanomaterials exhibit outstanding performance on attenuating ARGs in WW, being superior to their control references. This finding provides additional merit to the application of developed nanomaterials for WW purification towards ARG elimination, in addition to the proven bactericidal effect.
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Affiliation(s)
- Lisa Paruch
- Division of Environment and Natural Resources, Norwegian Institute of Bioeconomy Research (NIBIO), Oluf Thesens 43, 1433 Aas, Norway;
- Correspondence:
| | - Adam M. Paruch
- Division of Environment and Natural Resources, Norwegian Institute of Bioeconomy Research (NIBIO), Oluf Thesens 43, 1433 Aas, Norway;
| | - Tanta-Verona Iordache
- Advanced Polymer Materials and Polymer Recycling Group, National Institute for Research & Development in Chemistry and Petrochemistry ICECHIM, Splaiul Independentei 202, 060021 Bucharest, Romania; (T.-V.I.); (A.S.)
| | | | - Andrei Sarbu
- Advanced Polymer Materials and Polymer Recycling Group, National Institute for Research & Development in Chemistry and Petrochemistry ICECHIM, Splaiul Independentei 202, 060021 Bucharest, Romania; (T.-V.I.); (A.S.)
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Lee JW, Somerville T, Kaye SB, Romano V. Staphylococcus aureus Keratitis: Incidence, Pathophysiology, Risk Factors and Novel Strategies for Treatment. J Clin Med 2021; 10:jcm10040758. [PMID: 33668633 PMCID: PMC7918096 DOI: 10.3390/jcm10040758] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/09/2021] [Accepted: 02/09/2021] [Indexed: 02/07/2023] Open
Abstract
Bacterial keratitis is a devastating condition that can rapidly progress to serious complications if not treated promptly. Certain causative microorganisms such as Staphylococcus aureus and Pseudomonas aeruginosa are notorious for their resistance to antibiotics. Resistant bacterial keratitis results in poorer outcomes such as scarring and the need for surgical intervention. Thorough understanding of the causative pathogen and its virulence factors is vital for the discovery of novel treatments to avoid further antibiotic resistance. While much has been previously reported on P. aeruginosa, S. aureus has been less extensively studied. This review aims to give a brief overview of S. aureus epidemiology, pathophysiology and clinical characteristics as well as summarise the current evidence for potential novel therapies.
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Affiliation(s)
- Jason W. Lee
- School of Medicine, University of Liverpool, Liverpool L69 3GE, UK;
| | - Tobi Somerville
- Department of Eye and Vision Science, University of Liverpool, Liverpool L7 8TX, UK; (T.S.); (S.B.K.)
- St Paul’s Eye Unit, Royal Liverpool University Hospital, Liverpool L7 8XP, UK
| | - Stephen B. Kaye
- Department of Eye and Vision Science, University of Liverpool, Liverpool L7 8TX, UK; (T.S.); (S.B.K.)
- St Paul’s Eye Unit, Royal Liverpool University Hospital, Liverpool L7 8XP, UK
| | - Vito Romano
- Department of Eye and Vision Science, University of Liverpool, Liverpool L7 8TX, UK; (T.S.); (S.B.K.)
- St Paul’s Eye Unit, Royal Liverpool University Hospital, Liverpool L7 8XP, UK
- Correspondence:
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18
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de Lima NRB, de Souza Junior FG, Roullin VG, Pal K, da Silva ND. Head and Neck Cancer Treatments from Chemotherapy to Magnetic Systems: Perspectives and Challenges. Curr Radiopharm 2021; 15:2-20. [PMID: 33511961 DOI: 10.2174/1874471014999210128183231] [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: 08/25/2020] [Revised: 11/13/2020] [Accepted: 11/18/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Cancer is one of the diseases causing society's fears as a stigma of death and pain. Head and Neck Squamous Cell Carcinoma (HNSCC) is a group of malignant neoplasms of different locations in this region of the human body. It is one of the leading causes of morbidity and mortality in Brazil, because these malignant neoplasias, in most cases, are diagnosed in late phases. Surgical excision, chemotherapy and radiotherapy encompass the forefront of antineoplastic therapy; however, the numerous side effects associated with these therapeutic modalities are well known. Some treatments present enough potential to help or replace conventional treatments, such as Magnetic Hyperthermia and Photodynamic Therapy. Such approaches require the development of new materials at the nanoscale, able to carry out the loading of their active components while presenting characteristics of biocompatibility mandatory for biomedical applications. OBJECTIVE This work aims to make a bibliographical review of HNSCC treatments. Recent techniques proven effective in other types of cancer were highlighted and raised discussion and reflections on current methods and possibilities of enhancing the treatment of HNSCC. METHOD The study was based on a bibliometric research between the years 2008 and 2019 using the following keywords: Cancer, Head and Neck Cancer, Chemotherapy, Radiotherapy, Photodynamic Therapy, and Hyperthermia. RESULTS A total of 5.151.725 articles were found, 3.712.670 about cancer, 175.470 on Head and Neck Cancer, 398.736 on Radiotherapy, 760.497 on Chemotherapy, 53.830 on Hyperthermia, and 50.522 on Photodynamic Therapy. CONCLUSION The analysis shows that there is still much room for expanding research, especially for alternative therapies since most of the studies still focus on conventional treatments and on the quest to overcome their side effects. The scientific community needs to keep looking for more effective therapies generating fewer side effects for the patient. Currently, the so-called alternative therapies are being used in combination with the conventional ones, but the association of these new therapies shows great potential, in other types of cancer, to improve the treatment efficacy.
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Affiliation(s)
- Nathali R B de Lima
- Biopolymer & Sensors Lab. - Instituto de Macromoléculas Professora Eloisa Mano, Centro de Tecnologia-Cidade Universitária, Av. Horacio Macedo, 2030, bloco J. Universidade Federal de Rio de Janeiro, Zip code 21941-909,. Brazil
| | - Fernando G de Souza Junior
- Biopolymer & Sensors Lab. - Instituto de Macromoléculas Professora Eloisa Mano, Centro de Tecnologia-Cidade Universitária, Av. Horacio Macedo, 2030, bloco J. Universidade Federal de Rio de Janeiro, Zip code 21941-909,. Brazil
| | - Valérie G Roullin
- Faculté de Pharmacie Université de Montréal, Pavillon Jean-Coutu, 2940 chemin de la polytechnique Montreal QC, H3T 1J4,. Canada
| | - Kaushik Pal
- Wuhan University, Hubei Province, 8 East Lake South Road. Wuchang 430072,. China
| | - Nathalia D da Silva
- Programa de Engenharia da Nanotecnologia, COPPE, Centro de Tecnologia-Cidade Universitária, Av. Horacio Macedo, 2030, bloco I. Universidade Federal de Rio de Janeiro,. Brazil
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19
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Dar KK, Shao S, Tan T, Lv Y. Molecularly imprinted polymers for the selective recognition of microorganisms. Biotechnol Adv 2020; 45:107640. [DOI: 10.1016/j.biotechadv.2020.107640] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 09/18/2020] [Accepted: 10/01/2020] [Indexed: 12/20/2022]
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20
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Cano A, Ettcheto M, Espina M, López-Machado A, Cajal Y, Rabanal F, Sánchez-López E, Camins A, García ML, Souto EB. State-of-the-art polymeric nanoparticles as promising therapeutic tools against human bacterial infections. J Nanobiotechnology 2020; 18:156. [PMID: 33129333 PMCID: PMC7603693 DOI: 10.1186/s12951-020-00714-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 10/21/2020] [Indexed: 02/06/2023] Open
Abstract
Infectious diseases kill over 17 million people a year, among which bacterial infections stand out. From all the bacterial infections, tuberculosis, diarrhoea, meningitis, pneumonia, sexual transmission diseases and nosocomial infections are the most severe bacterial infections, which affect millions of people worldwide. Moreover, the indiscriminate use of antibiotic drugs in the last decades has triggered an increasing multiple resistance towards these drugs, which represent a serious global socioeconomic and public health risk. It is estimated that 33,000 and 35,000 people die yearly in Europe and the United States, respectively, as a direct result of antimicrobial resistance. For all these reasons, there is an emerging need to find novel alternatives to overcome these issues and reduced the morbidity and mortality associated to bacterial infectious diseases. In that sense, nanotechnological approaches, especially smart polymeric nanoparticles, has wrought a revolution in this field, providing an innovative therapeutic alternative able to improve the limitations encountered in available treatments and capable to be effective by theirselves. In this review, we examine the current status of most dangerous human infections, together with an in-depth discussion of the role of nanomedicine to overcome the current disadvantages, and specifically the most recent and innovative studies involving polymeric nanoparticles against most common bacterial infections of the human body.
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Affiliation(s)
- Amanda Cano
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Av Joan XXIII, 27-31, 08017, Barcelona, Spain.
- Institute of Nanoscience and Nanotechnology (IN2UB), Barcelona, Spain.
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain.
| | - Miren Ettcheto
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
- Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain
- Unit of Biochemistry and Pharmacology, Faculty of Medicine and Health Sciences, University of Rovira I Virgili, Reus (Tarragona), Spain
| | - Marta Espina
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Av Joan XXIII, 27-31, 08017, Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Barcelona, Spain
| | - Ana López-Machado
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Av Joan XXIII, 27-31, 08017, Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Barcelona, Spain
| | - Yolanda Cajal
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Av Joan XXIII, 27-31, 08017, Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Barcelona, Spain
| | - Francesc Rabanal
- Section of Organic Chemistry, Department of Inorganic and Organic Chemistry, Faculty of Chemistry, University of Barcelona, Barcelona, Spain
| | - Elena Sánchez-López
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Av Joan XXIII, 27-31, 08017, Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Barcelona, Spain
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
| | - Antonio Camins
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
- Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain
| | - Maria Luisa García
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Av Joan XXIII, 27-31, 08017, Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Barcelona, Spain
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
| | - Eliana B Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
- CEB - Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
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Bekmukhametova A, Ruprai H, Hook JM, Mawad D, Houang J, Lauto A. Photodynamic therapy with nanoparticles to combat microbial infection and resistance. NANOSCALE 2020; 12:21034-21059. [PMID: 33078823 DOI: 10.1039/d0nr04540c] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Infections caused by drug-resistant pathogens are rapidly increasing in incidence and pose an urgent global health concern. New treatments are needed to address this critical situation while preventing further resistance acquired by the pathogens. One promising approach is antimicrobial photodynamic therapy (PDT), a technique that selectively damages pathogenic cells through reactive oxygen species (ROS) that have been deliberately produced by light-activated chemical reactions via a photosensitiser. There are currently some limitations to its wider deployment, including aggregation, hydrophobicity, and sub-optimal penetration capabilities of the photosensitiser, all of which decrease the production of ROS and lead to reduced therapeutic performance. In combination with nanoparticles, however, these challenges may be overcome. Their small size, functionalisable structure, and large contact surface allow a high degree of internalization by cellular membranes and tissue barriers. In this review, we first summarise the mechanism of PDT action and the interaction between nanoparticles and the cell membrane. We then introduce the categorisation of nanoparticles in PDT, acting as nanocarriers, photosensitising molecules, and transducers, in which we highlight their use against a range of bacterial and fungal pathogens. We also compare the antimicrobial efficiency of nanoparticles to unbound photosensitisers and examine the relevant safety considerations. Finally, we discuss the use of nanoparticulate drug delivery systems in clinical applications of antimicrobial PDT.
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Affiliation(s)
| | - Herleen Ruprai
- School of Science, Western Sydney University, Penrith, NSW 2750, Australia.
| | - James M Hook
- School of Chemistry, University of New South Wales, Kensington, NSW 2052, Australia
| | - Damia Mawad
- School of Materials Science and Engineering, University of New South Wales, Kensington, NSW 2052, Australia and Centre for Advanced Macromolecular Design, Australian Centre for NanoMedicine and ARC Centre of Excellence in Convergent BioNano Science and Technology, UNSW Australia, Sydney, NSW 2052, Australia
| | - Jessica Houang
- Biomedical Engineering, School of Aerospace, Mechanical and Mechatronic Engineering, University of Sydney, Sydney, NSW 2006, Australia and Biomedical Engineering & Neuroscience Research Group, The MARCS Institute, Western Sydney University, Penrith, NSW 2750, Australia
| | - Antonio Lauto
- School of Science, Western Sydney University, Penrith, NSW 2750, Australia. and Biomedical Engineering & Neuroscience Research Group, The MARCS Institute, Western Sydney University, Penrith, NSW 2750, Australia
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Abstract
Molecularly imprinted polymers (MIPs) are currently widely used and further developed for biological applications. The MIP synthesis procedure is a key process, and a wide variety of protocols exist. The templates that are used for imprinting vary from the smallest glycosylated glycan structures or even amino acids to whole proteins or bacteria. The low cost, quick preparation, stability and reproducibility have been highlighted as advantages of MIPs. The biological applications utilizing MIPs discussed here include enzyme-linked assays, sensors, in vivo applications, drug delivery, cancer diagnostics and more. Indeed, there are numerous examples of how MIPs can be used as recognition elements similar to natural antibodies.
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Haupt K, Medina Rangel PX, Bui BTS. Molecularly Imprinted Polymers: Antibody Mimics for Bioimaging and Therapy. Chem Rev 2020; 120:9554-9582. [PMID: 32786424 DOI: 10.1021/acs.chemrev.0c00428] [Citation(s) in RCA: 216] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Molecularly imprinted polymers (MIPs) are tailor-made chemical receptors that recognize and bind target molecules with a high affinity and selectivity. MIPs came into the spotlight in 1993 when they were dubbed "antibody mimics," and ever since, they have been widely studied for the extraction or trapping of chemical pollutants, in immunoassays, and for the design of sensors. Owing to novel synthesis strategies resulting in more biocompatible MIPs in the form of soluble nanogels, these synthetic antibodies have found favor in the biomedical domain since 2010, when for the first time, they were shown to capture and eliminate a toxin in live mice. This review, covering the years 2015-2020, will first describe the rationale behind these antibody mimics, and the different synthesis methods that have been employed for the preparation of MIPs destined for in vitro and in vivo targeting and bioimaging of cancer biomarkers, an emerging and fast-growing area of MIP applications. MIPs have been synthesized for targeting and visualizing glycans and protein-based cell receptors overexpressed in certain diseases, which are well-known biomarkers for example for tumors. When loaded with drugs, the MIPs could locally kill the tumor cells, making them efficient therapeutic agents. We will end the review by reporting how MIPs themselves can act as therapeutics by inhibiting cancer growth. These works mark a new opening in the use of MIPs for antibody therapy and even immunotherapy, as materials of the future in nanomedicine.
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Affiliation(s)
- Karsten Haupt
- Université de Technologie de Compiègne, CNRS Enzyme and Cell Engineering Laboratory, Rue Roger Couttolenc, CS 60319, 60203 Compiègne Cedex, France
| | - Paulina X Medina Rangel
- Université de Technologie de Compiègne, CNRS Enzyme and Cell Engineering Laboratory, Rue Roger Couttolenc, CS 60319, 60203 Compiègne Cedex, France
| | - Bernadette Tse Sum Bui
- Université de Technologie de Compiègne, CNRS Enzyme and Cell Engineering Laboratory, Rue Roger Couttolenc, CS 60319, 60203 Compiègne Cedex, France
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Ghafoorianfar S, Ghorani-Azam A, Mohajeri SA, Farzin D. Efficiency of nanoparticles for treatment of ocular infections: Systematic literature review. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101765] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Su T, Yang B, Gao T, Liu T, Li J. Polymer nanoparticle-assisted chemotherapy of pancreatic cancer. Ther Adv Med Oncol 2020; 12:1758835920915978. [PMID: 32426046 PMCID: PMC7222269 DOI: 10.1177/1758835920915978] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 02/20/2020] [Indexed: 12/16/2022] Open
Abstract
Pancreatic cancer is a lethal disease characterized by highly dense stroma fibrosis. Only 15-20% of patients with pancreatic cancer have resectable tumors, and only around 20% of them survive to 5 years. Traditional cancer treatments have little effect on their prognosis, and successful surgical resection combined with effective perioperative therapy is the main method for maximizing long-term survival. For this reason, chemotherapy is an adjunct treatment for resectable cancer and is the main therapy for incurable pancreatic cancer, including metastatic pancreatic adenocarcinoma. However, there are various side effects of chemotherapeutic medicine and low drug penetration because the complex tumor microenvironment limits the application of chemotherapy. As a novel strategy, polymer nanoparticles make it possible to target the tumor microenvironment, release cytotoxic agents through various responsive reactions, and thus overcome the treatment barrier. As drug carriers, polymer nanoparticles show marked advantages, such as increased drug delivery and efficiency, controlled drug release, decreased side effects, prolonged half-life, and evasion of immunogenic blockade. In this review, we discuss the factors that cause chemotherapy obstacles in pancreatic cancer, and introduce the application of polymer nanoparticles to treat pancreatic cancer.
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Affiliation(s)
- Tianqi Su
- Department of General Surgery, The Second Hospital of Jilin University, Changchun, People’s Republic of China
| | - Bo Yang
- Department of Thoracic Surgery, The First Hospital of Jilin University, Changchun, People’s Republic of China
| | - Tianren Gao
- Department of Gastroenterology, The First Hospital of Jilin University, Changchun, People’s Republic of China
| | - Tongjun Liu
- Department of General Surgery, Second Hospital of Jilin University, Changchun 130041, People’s Republic of China
| | - Jiannan Li
- Department of General Surgery, Second Hospital of Jilin University, Changchun 130041, People’s Republic of China
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Zhang H, Zhang Y, Wang H, Wen H, Yan Z, Huang A, Bie Z, Chen Y. Preparing molecularly imprinted nanoparticles of saponins via cooperative imprinting strategy. J Sep Sci 2020; 43:2162-2171. [DOI: 10.1002/jssc.202000019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/26/2020] [Accepted: 02/27/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Hao Zhang
- School of PharmacyBengbu Medical University Bengbu P. R. China
- Department of PharmacyFirst Affiliated Hospital of Bengbu Medical University Bengbu P. R. China
| | - Yanan Zhang
- School of PharmacyBengbu Medical University Bengbu P. R. China
| | - Hailing Wang
- School of PharmacyBengbu Medical University Bengbu P. R. China
| | - Han Wen
- School of PharmacyBengbu Medical University Bengbu P. R. China
| | - Zhifeng Yan
- Department of ChemistryBengbu Medical University Bengbu P. R. China
| | - Ailan Huang
- Department of ChemistryBengbu Medical University Bengbu P. R. China
| | - Zijun Bie
- School of PharmacyBengbu Medical University Bengbu P. R. China
- Department of ChemistryBengbu Medical University Bengbu P. R. China
| | - Yang Chen
- School of PharmacyBengbu Medical University Bengbu P. R. China
- Department of ChemistryBengbu Medical University Bengbu P. R. China
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27
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Molecularly Imprinted Polymers and Surface Imprinted Polymers Based Electrochemical Biosensor for Infectious Diseases. SENSORS 2020; 20:s20040996. [PMID: 32069788 PMCID: PMC7071405 DOI: 10.3390/s20040996] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 02/10/2020] [Accepted: 02/11/2020] [Indexed: 01/08/2023]
Abstract
Owing to their merits of simple, fast, sensitive, and low cost, electrochemical biosensors have been widely used for the diagnosis of infectious diseases. As a critical element, the receptor determines the selectivity, stability, and accuracy of the electrochemical biosensors. Molecularly imprinted polymers (MIPs) and surface imprinted polymers (SIPs) have great potential to be robust artificial receptors. Therefore, extensive studies have been reported to develop MIPs/SIPs for the detection of infectious diseases with high selectivity and reliability. In this review, we discuss mechanisms of recognition events between imprinted polymers with different biomarkers, such as signaling molecules, microbial toxins, viruses, and bacterial and fungal cells. Then, various preparation methods of MIPs/SIPs for electrochemical biosensors are summarized. Especially, the methods of electropolymerization and micro-contact imprinting are emphasized. Furthermore, applications of MIPs/SIPs based electrochemical biosensors for infectious disease detection are highlighted. At last, challenges and perspectives are discussed.
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28
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Molecularly Imprinted Polymers for Cell Recognition. Trends Biotechnol 2019; 38:368-387. [PMID: 31677857 DOI: 10.1016/j.tibtech.2019.10.002] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 09/27/2019] [Accepted: 10/03/2019] [Indexed: 12/21/2022]
Abstract
Since their conception 50 years ago, molecularly imprinted polymers (MIPs) have seen extensive development both in terms of synthetic routes and applications. Cells are perhaps the most challenging target for molecular imprinting. Although early work was based almost entirely around microprinting methods, recent developments have shifted towards epitope imprinting to generate MIP nanoparticles (NPs). Simultaneously, the development of techniques such as solid phase MIP synthesis has solved many historic issues of MIP production. This review briefly describes various approaches used in cell imprinting with a focus on applications of the created materials in imaging, drug delivery, diagnostics, and tissue engineering.
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29
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Doroudian M, MacLoughlin R, Poynton F, Prina-Mello A, Donnelly SC. Nanotechnology based therapeutics for lung disease. Thorax 2019; 74:965-976. [PMID: 31285360 DOI: 10.1136/thoraxjnl-2019-213037] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 05/06/2019] [Accepted: 05/13/2019] [Indexed: 11/03/2022]
Abstract
Nanomedicine is a multidisciplinary research field with an integration of traditional sciences such as chemistry, physics, biology and materials science. The application of nanomedicine for lung diseases as a relatively new area of interdisciplinary science has grown rapidly over the last 10 years. Promising research outcomes suggest that nanomedicine will revolutionise the practice of medicine, through the development of new approaches in therapeutic agent delivery, vaccine development and nanotechnology-based medical detections. Nano-based approaches in the diagnosis and treatment of lung diseases will, in the not too distant future, change the way we practise medicine. This review will focus on the current trends and developments in the clinical translation of nanomedicine for lung diseases, such as in the areas of lung cancer, cystic fibrosis, asthma, bacterial infections and COPD.
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Affiliation(s)
- Mohammad Doroudian
- Department of Medicine, Tallaght University Hospital, Dublin 24 & Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Ronan MacLoughlin
- Aerogen, IDA Business Park, Galway, Ireland.,School of Pharmacy, Royal College of Surgeons, Dublin, Ireland.,School of Pharmacy and Pharmaceutical Sciences, Trinity College Dublin, Dublin, Ireland
| | - Fergus Poynton
- Department of Medicine, Tallaght University Hospital, Dublin 24 & Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Adriele Prina-Mello
- CRANN Institute and AMBER Centre, University of Dublin Trinity College, Dublin, Ireland.,Department of Medicine, Laboratory for Biological Characterization of Advanced Materials (LBCAM), Trinity College Dublin, Dublin, Ireland.,Nanomedicine Group, Trinity Translational Medicine Institute (TTMI), Trinity College Dublin, Dublin, Ireland
| | - Seamas C Donnelly
- Department of Medicine, Tallaght University Hospital, Dublin 24 & Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
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30
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Chen H, Jin Y, Wang J, Wang Y, Jiang W, Dai H, Pang S, Lei L, Ji J, Wang B. Design of smart targeted and responsive drug delivery systems with enhanced antibacterial properties. NANOSCALE 2018; 10:20946-20962. [PMID: 30406235 DOI: 10.1039/c8nr07146b] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The use of antibiotics has been an epoch-making invention in the past few decades for the treatment of infectious diseases. However, the intravenous injection of antibiotics lacking responsiveness and targeting properties has led to low drug utilization and high cytotoxicity. More importantly, it has also caused the development and spread of drug-resistant bacteria due to repeated medication and increased dosage. The differences in the microenvironments of the bacterial infection sites and normal tissues, such as lower pH, high expression of some special enzymes, hydrogen peroxide and released toxins, etc., are usually used for targeted and controlled drug delivery. In addition, bacterial surface charges, antigens and the surface structures of bacterial cell walls are all different from normal tissue cells. Based on the special bacterial infection microenvironments and bacteria surface properties, a series of drug delivery systems has been constructed for highly efficient drug release. This review summarizes the recent progress in targeted and responsive drug delivery systems for enhanced antibacterial properties.
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Affiliation(s)
- Hao Chen
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, China. and Wenzhou Institute of Biomaterials and Engineering, Chinese Academy of Sciences, Wenzhou, 32500, China
| | - Yingying Jin
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, China.
| | - Jingjie Wang
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, China.
| | - Yuqin Wang
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, China.
| | - Wenya Jiang
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, China.
| | - Hangdong Dai
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, China.
| | - Shuaiyue Pang
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, China.
| | - Lei Lei
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, China.
| | - Jian Ji
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Bailiang Wang
- School of Ophthalmology & Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, 325027, China. and Wenzhou Institute of Biomaterials and Engineering, Chinese Academy of Sciences, Wenzhou, 32500, China
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31
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Erdem Ö, Saylan Y, Cihangir N, Denizli A. Molecularly imprinted nanoparticles based plasmonic sensors for real-time Enterococcus faecalis detection. Biosens Bioelectron 2018; 126:608-614. [PMID: 30502683 DOI: 10.1016/j.bios.2018.11.030] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 11/15/2018] [Accepted: 11/18/2018] [Indexed: 11/15/2022]
Abstract
Human fecal contamination poses a crucial environmental and health threat in recent years, resulting in the difficulties of access to clean water. According to the World Health Organization, several fecal bacteria, particularly Enterococci species, are present in human intestinal flora. Enterococcus faecalis (E. faecalis) is one of the indicator bacteria that have been utilized as a pollution indicator in water. However, existing technologies and detection strategies face multiple challenges in terms of low affinity for detection and labelling requirements that limit their access to large scale applications. Here, we present a label-free molecular fingerprinting strategy on a plasmonic sensor to detect E. fecalis from aqueous and seawater samples. The kinetic performance of platform was comprehensively evaluated and the platform provided four orders of magnitude detection range with a low limit of detection (down to ~100 bacteria/mL) and a high correlation coefficient value (> 0.99) in the range of 2 × 104-1 × 108 cfu/mL. The platform also denoted a selectivity and specificity while other bacteria (E. coli, B. subtilis, and S. aureus) samples were applied. Multiple time use and relatively long shelf-life are superior to the existing modality. The presented method is one of the fascinating surface modification technique that utilizes biotarget as a recognition element itself, providing a broad range of versatility to replica other biotargets with different molecular structure, size, and physicochemical properties. Such a reliable and versatile platform would hold potential applications from microbiome characterization to forensics by revitalizing obsolescent detection strategies.
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Affiliation(s)
- Özgecan Erdem
- Hacettepe University, Department of Biology, 06800, Ankara, Turkey
| | - Yeşeren Saylan
- Hacettepe University, Department of Chemistry, 06800, Ankara, Turkey
| | - Nilüfer Cihangir
- Hacettepe University, Department of Biology, 06800, Ankara, Turkey
| | - Adil Denizli
- Hacettepe University, Department of Chemistry, 06800, Ankara, Turkey.
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32
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Gutiérrez-Valenzuela CA, Esquivel R, Guerrero-Germán P, Zavala-Rivera P, Rodríguez-Figueroa JC, Guzmán-Z R, Lucero-Acuña A. Evaluation of a combined emulsion process to encapsulate methylene blue into PLGA nanoparticles. RSC Adv 2018. [DOI: 10.1039/c7ra12296a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The delivery of photosensitizer compounds using biodegradable nanoparticles could improve dosage, controlled release and its bioavailability.
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Affiliation(s)
| | - Reynaldo Esquivel
- National Council of Science and Technology of Mexico
- Ciudad de Mexico
- Mexico
| | | | - Paul Zavala-Rivera
- Department of Chemical and Metallurgical Engineering
- University of Sonora
- Hermosillo
- Mexico
| | | | - Roberto Guzmán-Z
- Department of Chemical and Environmental Engineering
- University of Arizona
- Tucson
- USA
| | - Armando Lucero-Acuña
- Department of Chemical and Metallurgical Engineering
- University of Sonora
- Hermosillo
- Mexico
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33
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Méndez PA, Ortiz BL, Vásquez GM, López BL. Mucoadhesive chitosan/OA nanoparticles charged with celecoxib inhibit prostaglandin E2 LPS-induced in U937 cell line. J Appl Polym Sci 2017. [DOI: 10.1002/app.45288] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Paula A. Méndez
- Grupo de Investigación Ciencia de los Materiales; Instituto de Química, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia; Medellín Colombia
| | - Blanca L. Ortiz
- Grupo de Inmunología Celular e Inmunogenética; Instituto de Investigaciones Médicas, Facultad de Medicina, Universidad de Antioquia; Medellín Colombia
| | - Gloria M. Vásquez
- Grupo de Inmunología Celular e Inmunogenética; Instituto de Investigaciones Médicas, Facultad de Medicina, Universidad de Antioquia; Medellín Colombia
| | - Betty L. López
- Grupo de Investigación Ciencia de los Materiales; Instituto de Química, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia; Medellín Colombia
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34
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Wu MF, Deichelbohrer M, Tschernig T, Laschke MW, Szentmáry N, Hüttenberger D, Foth HJ, Seitz B, Bischoff M. Chlorin e6 mediated photodynamic inactivation for multidrug resistant Pseudomonas aeruginosa keratitis in mice in vivo. Sci Rep 2017; 7:44537. [PMID: 28295043 PMCID: PMC5353637 DOI: 10.1038/srep44537] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 02/10/2017] [Indexed: 12/13/2022] Open
Abstract
Following corneal epithelium scratches, mouse corneas were infected with the multidrug resistant (MDR) P. aeruginosa strain PA54. 24 hours later, 0% (for control group), 0.01%, 0.05% or 0.1% Chlorin e6 (Ce6), a second generation photosensitizer derived from chlorophyll, was combined with red light, for photodynamic inactivation (PDI). 1 hour or 2 days later, entire mouse eyes were enucleated and homogenized for counting colony forming units (CFU) of P. aeruginosa. For comparison, 0.1% Ce6 mediated PDI was started at 12 hours post infection, and 0.005% methylene blue mediated PDI 24 hours post infection. Clinical scores of corneal manifestation were recorded daily. Compared to the control, CFU 1 hour after PDI started 24 hours post infection in the 0.01% Ce6 and 0.05% Ce6 groups were significantly lower (more than one log10 reduction), the CFU 2 days post PDI higher in the 0.1% Ce6 group, clinical score lower in the 0.1% Ce6 group at 1 day post PDI. These findings suggest that PDI with Ce6 and red light has a transient efficacy in killing MDR-PA in vivo, and repetitive PDI treatments are required to fully resolve the infection. Before its clinical application, the paradoxical bacterial regrowth post PDI has to be further studied.
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Affiliation(s)
- Ming-Feng Wu
- Department of Ophthalmology, Saarland University Medical Center, Homburg/Saar, Germany.,Department of Ophthalmology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Mona Deichelbohrer
- Institute for Anatomy and Cell Biology, Saarland University, Homburg/Saar, Germany
| | - Thomas Tschernig
- Institute for Anatomy and Cell Biology, Saarland University, Homburg/Saar, Germany
| | - Matthias W Laschke
- Institute for Clinical &Experimental Surgery, Saarland University, Homburg/Saar, Germany
| | - Nóra Szentmáry
- Department of Ophthalmology, Saarland University Medical Center, Homburg/Saar, Germany.,Department of Ophthalmology, Semmelweis University, Budapest, Hungary
| | | | - Hans-Jochen Foth
- Department of Physics, University of Kaiserslautern, Kaiserslautern, Germany
| | - Berthold Seitz
- Department of Ophthalmology, Saarland University Medical Center, Homburg/Saar, Germany
| | - Markus Bischoff
- Institute for Medical Microbiology and Hygiene, Saarland University, Homburg/Saar, Germany
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