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Odrobińska-Baliś J, Gumieniczek-Chłopek E, Uchacz T, Banachowicz P, Medaj A, Zapotoczny S. Spontaneous Fusion of Core-Shell Nanocapsules with Oil Cores and Oppositely Charged Polysaccharide Shells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2311909. [PMID: 39031680 DOI: 10.1002/smll.202311909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 05/26/2024] [Indexed: 07/22/2024]
Abstract
Polymer nanocapsules with hydrophobic cores are promising candidates for nanoreactors to carry out (bio)chemical reactions mimicking the performance of natural cellular systems. Their architecture allows reagents to be encapsulated in the cores enabling reactions to proceed in confined environments in a controlled, and efficient manner. Polysaccharide-shell oil-core nanocapsules are proposed here as facile mergeable nanoreactors. Spontaneous fusion of oppositely charged polysaccharide capsules is demonstrated for the first time. Such capsules are formed and easily loaded with reagents by nanoemulsification of an aqueous solution of hydrophobically modified polysaccharides (chitosan, hyaluronate) and oleic acid with dissolved desired hydrophobic compounds. Efficient fusion of the formed nanocapsules dispersed in an aqueous medium at optimized conditions (pH, ionic strength) is followed using fluorescence microscopy by labeling both their cores and shells with fluorescent dyes. As a proof of concept, a model fluorogenic synthesis is also realized by fusing the capsules containing separated reagents and the catalyst. The nanocapsules and fusion process developed here establish a platform for realization of versatile reactions in a confined environment including model studies on biologically relevant processes taking place in natural systems.
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Affiliation(s)
- Joanna Odrobińska-Baliś
- Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Niezapominajek 8, Krakow, 30-239, Poland
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, Krakow, 30-387, Poland
| | - Elżbieta Gumieniczek-Chłopek
- Faculty of Physics and Applied Computer Science, AGH University of Krakow, A. Mickiewicza Avenue 30, Krakow, 30-059, Poland
| | - Tomasz Uchacz
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, Krakow, 30-387, Poland
| | - Piotr Banachowicz
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, Krakow, 30-387, Poland
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, Warsaw, 01-224, Poland
| | - Aneta Medaj
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, Krakow, 30-387, Poland
- Doctoral School of Exact and Natural Sciences, Jagiellonian University, Prof. St. Lojasiewicza 11, Krakow, 30-348, Poland
| | - Szczepan Zapotoczny
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, Krakow, 30-387, Poland
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Bushra R, Ahmad M, Seidi F, Qurtulen, Song J, Jin Y, Xiao H. Polysaccharide-based nanoassemblies: From synthesis methodologies and industrial applications to future prospects. Adv Colloid Interface Sci 2023; 318:102953. [PMID: 37399637 DOI: 10.1016/j.cis.2023.102953] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 05/23/2023] [Accepted: 06/19/2023] [Indexed: 07/05/2023]
Abstract
Polysaccharides, due to their remarkable features, have gained significant prominence in the sustainable production of nanoparticles (NPs). High market demand and minimal production cost, compared to the chemically synthesised NPs, demonstrate a drive towards polysaccharide-based nanoparticles (PSNPs) benign to environment. Various approaches are used for the synthesis of PSNPs including cross-linking, polyelectrolyte complexation, and self-assembly. PSNPs have the potential to replace a wide diversity of chemical-based agents within the food, health, medical and pharmacy sectors. Nevertheless, the considerable challenges associated with optimising the characteristics of PSNPs to meet specific targeting applications are of utmost importance. This review provides a detailed compilation of recent accomplishments in the synthesis of PSNPs, the fundamental principles and critical factors that govern their rational fabrication, as well as various characterisation techniques. Noteworthy, the multiple use of PSNPs in different disciplines such as biomedical, cosmetics agrochemicals, energy storage, water detoxification, and food-related realms, is accounted in detail. Insights into the toxicological impacts of the PSNPs and their possible risks to human health are addressed, and efforts made in terms of PSNPs development and optimising strategies that allow for enhanced delivery are highlighted. Finally, limitations, potential drawbacks, market diffusion, economic viability and future possibilities for PSNPs to achieve widespread commercial use are also discussed.
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Affiliation(s)
- Rani Bushra
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, Jiangsu, China; Joint International Research Lab of Lignocellulosic Functional Materials and Provincial Key Lab of Pulp and Paper Sci & Tech, Nanjing Forestry University, Nanjing 210037, Jiangsu, China
| | - Mehraj Ahmad
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, Jiangsu, China; College of Light Industry and Food, Department of Food Science and Engineering, Nanjing Forestry University, Nanjing 210037, Jiangsu, China; Joint International Research Lab of Lignocellulosic Functional Materials and Provincial Key Lab of Pulp and Paper Sci & Tech, Nanjing Forestry University, Nanjing 210037, Jiangsu, China.
| | - Farzad Seidi
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, Jiangsu, China; Joint International Research Lab of Lignocellulosic Functional Materials and Provincial Key Lab of Pulp and Paper Sci & Tech, Nanjing Forestry University, Nanjing 210037, Jiangsu, China
| | - Qurtulen
- Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India
| | - Junlong Song
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, Jiangsu, China; Joint International Research Lab of Lignocellulosic Functional Materials and Provincial Key Lab of Pulp and Paper Sci & Tech, Nanjing Forestry University, Nanjing 210037, Jiangsu, China
| | - Yongcan Jin
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, Jiangsu, China; Joint International Research Lab of Lignocellulosic Functional Materials and Provincial Key Lab of Pulp and Paper Sci & Tech, Nanjing Forestry University, Nanjing 210037, Jiangsu, China
| | - Huining Xiao
- Department of Chemical Engineering, University of New Brunswick, Fredericton, NB E3B 5A3, Canada
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Peršin Fratnik Z, Plohl O, Kokol V, Fras Zemljič L. Using Different Surface Energy Models to Assess the Interactions between Antiviral Coating Films and phi6 Model Virus. J Funct Biomater 2023; 14:jfb14040232. [PMID: 37103322 PMCID: PMC10144987 DOI: 10.3390/jfb14040232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/04/2023] [Accepted: 04/16/2023] [Indexed: 04/28/2023] Open
Abstract
High molecular weight chitosan (HMWCh), quaternised cellulose nanofibrils (qCNF), and their mixture showed antiviral potential in liquid phase, while this effect decreased when applied to facial masks, as studied in our recent work. To gain more insight into material antiviral activity, spin-coated thin films were prepared from each suspension (HMWCh, qCNF) and their mixture with a 1:1 ratio. To understand their mechanism of action, the interactions between these model films with various polar and nonpolar liquids and bacteriophage phi6 (in liquid phase) as a viral surrogate were studied. Surface free energy (SFE) estimates were used as a tool to evaluate the potential adhesion of different polar liquid phases to these films by contact angle measurements (CA) using the sessile drop method. The Fowkes, Owens-Wendt-Rabel-Kealble (OWRK), Wu, and van Oss-Chaudhury-Good (vOGC) mathematical models were used to estimate surface free energy and its polar and dispersive contributions, as well as the Lewis acid and Lewis base contributions. In addition, the surface tension SFT of liquids was also determined. The adhesion and cohesion forces in wetting processes were also observed. The estimated SFE of spin-coated films varied between mathematical models (26-31 mJ/m2) depending on the polarity of the solvents tested, but the correlation between models clearly indicated a significant dominance of the dispersion components that hinder wettability. The poor wettability was also supported by the fact that the cohesive forces in the liquid phase were stronger than the adhesion to the contact surface. In addition, the dispersive (hydrophobic) component dominated in the phi6 dispersion, and since this was also the case in the spin-coated films, it can be assumed that weak physical van der Waals forces (dispersion forces) and hydrophobic interactions occurred between phi6 and the polysaccharide films, resulting in the virus not being in sufficient contact with the tested material during antiviral testing of the material to be inactivated by the active coatings of the polysaccharides used. Regarding the contact killing mechanism, this is a disadvantage that can be overcome by changing the previous material surface (activation). In this way, HMWCh, qCNF, and their mixture can attach to the material surface with better adhesion, thickness, and different shape and orientation, resulting in a more dominant polar fraction of SFE and thus enabling the interactions within the polar part of phi6 dispersion.
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Affiliation(s)
- Zdenka Peršin Fratnik
- Institute of Engineering Materials and Design, Faculty of Mechanical Engineering, University of Maribor, Smetanova ul. 17, SI-2000 Maribor, Slovenia
| | - Olivija Plohl
- Institute of Engineering Materials and Design, Faculty of Mechanical Engineering, University of Maribor, Smetanova ul. 17, SI-2000 Maribor, Slovenia
| | - Vanja Kokol
- Institute of Engineering Materials and Design, Faculty of Mechanical Engineering, University of Maribor, Smetanova ul. 17, SI-2000 Maribor, Slovenia
| | - Lidija Fras Zemljič
- Institute of Engineering Materials and Design, Faculty of Mechanical Engineering, University of Maribor, Smetanova ul. 17, SI-2000 Maribor, Slovenia
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Dilnawaz F, Acharya S, Kanungo A. A clinical perspective of chitosan nanoparticles for infectious disease management. Polym Bull (Berl) 2023:1-25. [PMID: 37362954 PMCID: PMC10073797 DOI: 10.1007/s00289-023-04755-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 02/08/2023] [Accepted: 03/03/2023] [Indexed: 06/28/2023]
Abstract
Infectious diseases and their effective management are still a challenge in this modern era of medicine. Diseases, such as the SARS-CoV-2, Ebola virus, and Zika virus, still put human civilization at peril. Existing drug banks, which include antivirals, antibacterial, and small-molecule drugs, are the most advocated method for treatment, although effective but they still flounder in many instances. This calls for finding more effective alternatives for tackling the menace of infectious diseases. Nanoformulations are progressively being implemented for clinical translation and are being considered a new paradigm against infectious diseases. Natural polymers like chitosan are preferred to design nanoparticles owing to their biocompatibility, biodegradation, and long shelf-life. The chitosan nanoparticles (CNPs) being highly adaptive delivers contemporary prevention for infectious diseases. Currently, they are being used as antibacterial, drug, and vaccine delivery vehicles, and wound-dressing materials, for infectious disease treatment. Although the recruitment of CNPs in clinical trials associated with infectious diseases is minimal, this may increase shortly due to the sudden emergence of unknown pathogens like SARS-CoV-2, thus turning them into a panacea for the management of microorganisms. This review particularly focuses on the all-around application of CNPs along with their recent clinical applications in infectious disease management.
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Affiliation(s)
- Fahima Dilnawaz
- Department of Biotechnology, School of Engineering and Technology, Centurion University of Technology and Management, Jatni, Bhubaneswar, Odisha 752050 India
| | - Sarbari Acharya
- Department of Biology, School of Applied Sciences, KIIT Deemed to be University, Bhubaneswar, Odisha 751024 India
| | - Anwesha Kanungo
- Department of Biology, School of Applied Sciences, KIIT Deemed to be University, Bhubaneswar, Odisha 751024 India
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5
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Castillo G, Mora-Díaz JC, Breuer M, Singh P, Nelli RK, Giménez-Lirola LG. Molecular mechanisms of human coronavirus NL63 infection and replication. Virus Res 2023; 327:199078. [PMID: 36813239 PMCID: PMC9944649 DOI: 10.1016/j.virusres.2023.199078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/16/2023] [Accepted: 02/17/2023] [Indexed: 02/24/2023]
Abstract
Human coronavirus NL63 (HCoV-NL63) is spread globally, causing upper and lower respiratory tract infections mainly in young children. HCoV-NL63 shares a host receptor (ACE2) with severe acute respiratory syndrome coronavirus (SARS-CoV) and SARS-CoV-2 but, unlike them, HCoV-NL63 primarily develops into self-limiting mild to moderate respiratory disease. Although with different efficiency, both HCoV-NL63 and SARS-like CoVs infect ciliated respiratory cells using ACE2 as receptor for binding and cell entry. Working with SARS-like CoVs require access to BSL-3 facilities, while HCoV-NL63 research can be performed at BSL-2 laboratories. Thus, HCoV-NL63 could be used as a safer surrogate for comparative studies on receptor dynamics, infectivity and virus replication, disease mechanism, and potential therapeutic interventions against SARS-like CoVs. This prompted us to review the current knowledge on the infection mechanism and replication of HCoV-NL63. Specifically, after a brief overview on the taxonomy, genomic organization and virus structure, this review compiles the current HCoV-NL63-related research in virus entry and replication mechanism, including virus attachment, endocytosis, genome translation, and replication and transcription. Furthermore, we reviewed cumulative knowledge on the susceptibility of different cells to HCoV-NL63 infection in vitro, which is essential for successful virus isolation and propagation, and contribute to address different scientific questions from basic science to the development and assessment of diagnostic tools, and antiviral therapies. Finally, we discussed different antiviral strategies that have been explored to suppress replication of HCoV-NL63, and other related human coronaviruses, by either targeting the virus or enhancing host antiviral mechanisms.
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Affiliation(s)
- Gino Castillo
- Department of Veterinary Diagnostic and Production Animal Medicine, Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Iowa State University, 1850 Christensen Drive, Ames, IA 50011, USA
| | - Juan Carlos Mora-Díaz
- Department of Veterinary Diagnostic and Production Animal Medicine, Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Iowa State University, 1850 Christensen Drive, Ames, IA 50011, USA
| | - Mary Breuer
- Department of Veterinary Diagnostic and Production Animal Medicine, Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Iowa State University, 1850 Christensen Drive, Ames, IA 50011, USA
| | - Pallavi Singh
- Department of Biological Sciences, Northern Illinois University, DeKalb, IL 60115, USA
| | - Rahul K Nelli
- Department of Veterinary Diagnostic and Production Animal Medicine, Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Iowa State University, 1850 Christensen Drive, Ames, IA 50011, USA
| | - Luis G Giménez-Lirola
- Department of Veterinary Diagnostic and Production Animal Medicine, Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Iowa State University, 1850 Christensen Drive, Ames, IA 50011, USA.
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6
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Gopal J, Muthu M, Pushparaj SSC, Sivanesan I. Anti-COVID-19 Credentials of Chitosan Composites and Derivatives: Future Scope? Antibiotics (Basel) 2023; 12:antibiotics12040665. [PMID: 37107027 PMCID: PMC10135369 DOI: 10.3390/antibiotics12040665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Revised: 03/27/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Chitosan derivatives and composites are the next generation polymers for biomedical applications. With their humble origins from the second most abundant naturally available polymer chitin, chitosan is currently one of the most promising polymer systems, with wide biological applications. This current review gives a bird’s eye view of the antimicrobial applications of chitosan composites and derivatives. The antiviral activity and the mechanisms behind the inhibitory activity of these components have been reviewed. Specifically, the anti-COVID-19 aspects of chitosan composites and their derivatives have been compiled from the existing scattered reports and presented. Defeating COVID-19 is the battle of this century, and the chitosan derivative-based combat strategies naturally become very attractive. The challenges ahead and future recommendations have been addressed.
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Affiliation(s)
- Judy Gopal
- Department of Research and Innovation, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602105, India
| | - Manikandan Muthu
- Department of Research and Innovation, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602105, India
| | - Suraj Shiv Charan Pushparaj
- Department of Research and Innovation, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai 602105, India
| | - Iyyakkannu Sivanesan
- Department of Bioresources and Food Science, Institute of Natural Science and Agriculture, Konkuk University, 1 Hwayang-dong, Gwangjin-gu, Seoul 05029, Republic of Korea
- Correspondence: ; Tel.: +82-2-2049-6271; Fax: +82-2-455-1044
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7
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Plohl O, Kokol V, Filipić A, Fric K, Kogovšek P, Fratnik ZP, Vesel A, Kurečič M, Robič J, Gradišnik L, Maver U, Zemljič LF. Screen-printing of chitosan and cationised cellulose nanofibril coatings for integration into functional face masks with potential antiviral activity. Int J Biol Macromol 2023; 236:123951. [PMID: 36898451 PMCID: PMC9995302 DOI: 10.1016/j.ijbiomac.2023.123951] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 02/21/2023] [Accepted: 03/03/2023] [Indexed: 03/11/2023]
Abstract
Masks proved to be necessary protective measure during the COVID-19 pandemic, but they provided a physical barrier rather than inactivating viruses, increasing the risk of cross-infection. In this study, high-molecular weight chitosan and cationised cellulose nanofibrils were screen-printed individually or as a mixture onto the inner surface of the first polypropylene (PP) layer. First, biopolymers were evaluated by various physicochemical methods for their suitability for screen-printing and antiviral activity. Second, the effect of the coatings was evaluated by analysing the morphology, surface chemistry, charge of the modified PP layer, air permeability, water-vapour retention, add-on, contact angle, antiviral activity against the model virus phi6 and cytotoxicity. Finally, the functional PP layers were integrated into face masks, and resulting masks were tested for wettability, air permeability, and viral filtration efficiency (VFE). Air permeability was reduced for modified PP layers (43 % reduction for kat-CNF) and face masks (52 % reduction of kat-CNF layer). The antiviral potential of the modified PP layers against phi6 showed inhibition of 0.08 to 0.97 log (pH 7.5) and cytotoxicity assay showed cell viability above 70 %. VFE of the masks remained the same (~99.9 %), even after applying the biopolymers, confirming that these masks provided high level of protection against viruses.
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Affiliation(s)
- Olivija Plohl
- University of Maribor, Faculty of Mechanical Engineering, Smetanova ulica 17, 2000 Maribor, Slovenia.
| | - Vanja Kokol
- University of Maribor, Faculty of Mechanical Engineering, Smetanova ulica 17, 2000 Maribor, Slovenia.
| | - Arijana Filipić
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000 Ljubljana, Slovenia.
| | - Katja Fric
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000 Ljubljana, Slovenia.
| | - Polona Kogovšek
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000 Ljubljana, Slovenia.
| | - Zdenka Peršin Fratnik
- University of Maribor, Faculty of Mechanical Engineering, Smetanova ulica 17, 2000 Maribor, Slovenia.
| | - Alenka Vesel
- Jožef Stefan Institute, Department of Surface Engineering and Optoelectronics, Teslova 30, 1000 Ljubljana, Slovenia.
| | - Manja Kurečič
- University of Maribor, Faculty of Mechanical Engineering, Smetanova ulica 17, 2000 Maribor, Slovenia.
| | - Jure Robič
- Omega Air d.o.o Ljubljana, Cesta Dolomitskega odreda 10, 1000 Ljubljana, Slovenia.
| | - Lidija Gradišnik
- University of Maribor, Faculty of Medicine, Institute of Biomedical Sciences, Taborska ulica 8, 2000 Maribor, Slovenia.
| | - Uroš Maver
- University of Maribor, Faculty of Medicine, Institute of Biomedical Sciences, Taborska ulica 8, 2000 Maribor, Slovenia.
| | - Lidija Fras Zemljič
- University of Maribor, Faculty of Mechanical Engineering, Smetanova ulica 17, 2000 Maribor, Slovenia.
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Lachowicz D, Kmita A, Wirecka R, Berent K, Szuwarzyński M, Zapotoczny S, Pajdak A, Cios G, Mazur-Panasiuk N, Pyrc K, Bernasik A. Aerogels based on cationically modified chitosan and poly(vinyl alcohol) for efficient capturing of viruses. Carbohydr Polym 2023; 312:120756. [PMID: 37059523 DOI: 10.1016/j.carbpol.2023.120756] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/23/2023] [Accepted: 02/24/2023] [Indexed: 03/05/2023]
Abstract
In this study, we developed a new filtering bioaerogel based on linear polyvinyl alcohol (PVA) and the cationic derivative of chitosan (N-[(2-hydroxy-3-trimethylamine) propyl] chitosan chloride, HTCC) with a potential antiviral application. A strong intermolecular network architecture was formed thanks to the introduction of linear PVA chains, which can efficiently interpenetrate the glutaraldehyde(GA)-crosslinked HTCC chains. The morphology of the obtained structures was examined using scanning electron microscopy (SEM) and atomic force microscopy (AFM). The aerogels and modified polymers' elemental composition (including the chemical environment) was determined using X-ray photoelectron spectroscopy (XPS). New aerogels with more than twice as much developed micro- and mesopore space and BET-specific surface area were obtained concerning the starting sample chitosan aerogel crosslinked by glutaraldehyde (Chit/GA). The results obtained from the XPS analysis showed the presence of cationic 3-trimethylammonium groups on the surface of the aerogel, which can interact with viral capsid proteins. No cytotoxic effect of HTCC/GA/PVA aerogel was also observed on fibroblast cells of the NIH3T3 line. Furthermore, the HTCC/GA/PVA aerogel has been shown that efficiently traps mouse hepatitis virus (MHV) from suspension. The presented concept of aerogel filters for virus capture based on modified chitosan and polyvinyl alcohol has a high application potential.
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9
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Plant Extracts and SARS-CoV-2: Research and Applications. Life (Basel) 2023; 13:life13020386. [PMID: 36836744 PMCID: PMC9965937 DOI: 10.3390/life13020386] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/29/2022] [Accepted: 01/28/2023] [Indexed: 02/01/2023] Open
Abstract
The recent pandemic of COVID-19 caused by the SARS-CoV-2 virus has brought upon the world an unprecedented challenge. During its acute dissemination, a rush for vaccines started, making the scientific community come together and contribute to the development of efficient therapeutic agents and vaccines. Natural products have been used as sources of individual molecules and extracts capable of inhibiting/neutralizing several microorganisms, including viruses. Natural extracts have shown effective results against the coronavirus family, when first tested in the outbreak of SARS-CoV-1, back in 2002. In this review, the relationship between natural extracts and SARS-CoV is discussed, while also providing insight into misinformation regarding the use of plants as possible therapeutic agents. Studies with plant extracts on coronaviruses are presented, as well as the main inhibition assays and trends for the future regarding the yet unknown long-lasting effects post-infection with SARS-CoV-2.
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10
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Ait Hamdan Y, El Amerany F, Desbrières J, Aghrinane A, Oudadesse H, Rhazi M. The evolution of the global COVID-19 epidemic in Morocco and understanding the different therapeutic approaches of chitosan in the control of the pandemic. Polym Bull (Berl) 2022; 80:1-27. [PMID: 36466080 PMCID: PMC9685138 DOI: 10.1007/s00289-022-04579-3] [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: 08/27/2022] [Revised: 11/03/2022] [Accepted: 11/14/2022] [Indexed: 11/24/2022]
Abstract
In 2020, Coronavirus disease (COVID-19), a new viral respiratory disease caused by a virus that belongs to Coronaviridae family, has been identified. It is a very severe flu that negatively affects the functions of the lung and other respiratory organs. COVID-19 virus can be transmitted between people either by touching an infected person or by direct contact with their respiratory droplets. Therefore, the COVID-19 virus has become a global concern due to its rapid spread and severity. Based on the World Health Organization report from 2 March 2020 to 24 October 2022, the total infected cases and deaths in Morocco are around 1,265,389 (3.46%) and 16,280 (0.04%), respectively. Recently, some scientists have found that chitosan, a polymer existed in nature, can inhibit COVID-19 infection and repair damaged tissue. Therefore, understanding chitosan mechanisms in controlling COVID-19, might lead to innovative strategies in the medical field, such as developing drugs against SARS-CoV-2, and replacing vaccines, which have negative side effects. This review aims to show the evolution of the COVID-19 pandemic worldwide, specifically in Morocco, its pathophysiology, and its ability to silence the immune system. This review also provides an overview of the treatments and measures applied to protect human beings and how chitosan acts and controls COVID-19.
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Affiliation(s)
- Youssef Ait Hamdan
- Interdisciplinary Laboratory in Bio-Resources, Environment and Materials, Higher Normal School, Department of Biology, Cadi Ayyad University, 40000 Marrakech, Morocco
- Univ Rennes, CNRS, ISCR-UMR 6226, F-35000 Rennes, France
| | - Fatima El Amerany
- Interdisciplinary Laboratory in Bio-Resources, Environment and Materials, Higher Normal School, Department of Biology, Cadi Ayyad University, 40000 Marrakech, Morocco
- Laboratory of Sustainable Development and Health Research, Department of Chemistry, Faculty of Science and Technology of Marrakech, Cadi Ayyad University, PO Box 549, 40000 Marrakech, Morocco
| | - Jacques Desbrières
- IPREM, University of Pau and Adour Countries (UPPA), Hélioparc Pau Pyrénées, 2 Avenue P. Angot, 64053 PAU Cedex 09, France
| | - Abdessadek Aghrinane
- Laboratory of Plant Biotechnology, Ecology and Ecosystem Valorization, Faculty of Sciences, University Chouaib Doukkali, 24000 El Jadida, Morocco
| | | | - Mohammed Rhazi
- Interdisciplinary Laboratory in Bio-Resources, Environment and Materials, Higher Normal School, Department of Biology, Cadi Ayyad University, 40000 Marrakech, Morocco
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Ayala‐Peña VB, Martin MJ, Favatela F, Otarola J, Morán P, Ventura M, Gentili C, Salcedo MF, Mansilla A, Pérez S, Dolcini G, Alvarez V, Lassalle V. Chitosan-Based Formulations Intended as Protective Spray for Mask Surfaces in Prevention of Coronavirus Dissemination. ChemistrySelect 2022; 7:e202202410. [PMID: 36711229 PMCID: PMC9874787 DOI: 10.1002/slct.202202410] [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: 07/01/2022] [Accepted: 09/13/2022] [Indexed: 02/01/2023]
Abstract
The extraordinary occurrence of COVID-19 by the fast expansion of viral infections has propelled particular interest in developing novel antiviral and virucidal agents to guarantee personal security. The main objective of this work is to propose novel formulations able to optimize the use of personal protection elements. In recent years, chitosan (CH) has attracted attention for being an interesting multifunctional, biodegradable, non-antigenic, non-toxic, and biocompatible natural polymer with antimicrobial properties. In this work, formulations based on a CH matrix containing silver, and Copper based nanoparticles have been developed. The novelty of this proposal is that almost liquid formulations have been reached, possessing verified properties to inhibit evolved virus such as herpes simplex type 1 (HSV-1) and bovine betacoronavirus (BCoV), the latter belonging to the same family of the well-known the well-known SARS-CoV-2. Besides antibacterial bioactivity; as well as the ability of these formulations to be easily sprayed on various surfaces, including conventional face masks, have been verified and discussed. The results presented in this contribution provide strong evidence on CH films as an ideal biosafe surface-protective for several daily used materials including the conventional face masks.
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Affiliation(s)
- Victoria Belen Ayala‐Peña
- INIBIBBDepartamento de BiologíaBioquímica y FarmaciaUniversidad Nacional del Sur (UNS)-CONICET.Camino La Carrindanga km 7B8000Bahía BlancaProvincia de Buenos AiresArgentina
| | - María Julia Martin
- INQUISURDepartamento de QuímicaUniversidad Nacional del Sur (UNS)-CONICET.Av. Leandro Niceforo Alem 1253B8000Bahía BlancaProvincia de Buenos AiresArgentina,INBIOSURDepartamento de BiologíaBioquímica y FarmaciaUniversidad Nacional del Sur (UNS)-CONICETSan Juan 671B8000Bahía BlancaProvincia de Buenos AiresArgentina
| | - Florencia Favatela
- INQUISURDepartamento de QuímicaUniversidad Nacional del Sur (UNS)-CONICET.Av. Leandro Niceforo Alem 1253B8000Bahía BlancaProvincia de Buenos AiresArgentina
| | - Jessica Otarola
- INQUISURDepartamento de QuímicaUniversidad Nacional del Sur (UNS)-CONICET.Av. Leandro Niceforo Alem 1253B8000Bahía BlancaProvincia de Buenos AiresArgentina
| | - Pedro Morán
- CIVETAN - CONICET, Facultad de Ciencias Veterinarias, UNCPBA, Pje ArroyoSeco s/n campus universitarioB7000TandilArgentina
| | - María Ventura
- IAE-Instituto Analítico EspecializadoCórdoba3935, B1653BJKVilla Ballester - Pcia.deBuenos AiresArgentina
| | - Claudia Gentili
- INBIOSURDepartamento de BiologíaBioquímica y FarmaciaUniversidad Nacional del Sur (UNS)-CONICETSan Juan 671B8000Bahía BlancaProvincia de Buenos AiresArgentina
| | - María Florencia Salcedo
- Instituto de Investigaciones BiológicasUE-CONICET-UNMdPFacultad de Ciencias Exactas y NaturalesUniversidad Nacional de Mar del Plata. DéanFunes 3240B7600Mar del PlataArgentina
| | - Andrea Mansilla
- Instituto de Investigaciones BiológicasUE-CONICET-UNMdPFacultad de Ciencias Exactas y NaturalesUniversidad Nacional de Mar del Plata. DéanFunes 3240B7600Mar del PlataArgentina
| | - Sandra Pérez
- CIVETAN - CONICET, Facultad de Ciencias Veterinarias, UNCPBA, Pje ArroyoSeco s/n campus universitarioB7000TandilArgentina
| | - Guillermina Dolcini
- CIVETAN - CONICET, Facultad de Ciencias Veterinarias, UNCPBA, Pje ArroyoSeco s/n campus universitarioB7000TandilArgentina
| | - Vera Alvarez
- INTEMAFacultad de IngenieríaUniversidad Nacional de Mar del Plata (UNMdP)-CONICET.Av. Cristóbal Colón 10850B7600Mar del PlataArgentina
| | - Verónica Lassalle
- INQUISURDepartamento de QuímicaUniversidad Nacional del Sur (UNS)-CONICET.Av. Leandro Niceforo Alem 1253B8000Bahía BlancaProvincia de Buenos AiresArgentina
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Plohl O, Fric K, Filipić A, Kogovšek P, Tušek Žnidarič M, Zemljič LF. First Insights into the Antiviral Activity of Chitosan-Based Bioactive Polymers towards the Bacteriophage Phi6: Physicochemical Characterization, Inactivation Potential, and Inhibitory Mechanisms. Polymers (Basel) 2022; 14:polym14163357. [PMID: 36015613 PMCID: PMC9413598 DOI: 10.3390/polym14163357] [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: 07/20/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 11/16/2022] Open
Abstract
The outbreak of the worrisome coronavirus disease in 2019 has caused great concern among the global public, especially regarding the need for personal protective equipment with applied antiviral agents to reduce the spread and transmission of the virus. Thus, in our research, chitosan-based bioactive polymers as potential antiviral agents were first evaluated as colloidal macromolecular solutions by elemental analysis and charge. Three different types of low and high molecular weight chitosan (LMW Ch, HMW Ch) and a LMW Ch derivative, i.e., quaternary chitosan (quart-LMW Ch), were used. To explore their antiviral activity for subsequent use in the form of coatings, the macromolecular Chs dispersions were incubated with the model virus phi6 (surrogate for SARS-CoV-2), and the success of virus inactivation was determined. Inactivation of phi6 with some chitosan-based compounds was very successful (>6 log), and the mechanisms behind this were explored. The changes in viral morphology after incubation were observed and the changes in infrared bands position were determined. In addition, dynamic and electrophoretic light scattering studies were performed to better understand the interaction between Chs and phi6. The results allowed us to better understand the antiviral mode of action of Chs agents as a function of their physicochemical properties.
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Affiliation(s)
- Olivija Plohl
- Laboratory for Characterization and Processing of Polymers, Faculty of Mechanical Engineering, University of Maribor, Smetanova ulica 17, 2000 Maribor, Slovenia
- Correspondence: ; Tel.: +386-2-229-7715
| | - Katja Fric
- Department of Biotechnology and Systems Biology, National Institute of Biology, Večna pot 111, 1000 Ljubljana, Slovenia
| | - Arijana Filipić
- Department of Biotechnology and Systems Biology, National Institute of Biology, Večna pot 111, 1000 Ljubljana, Slovenia
| | - Polona Kogovšek
- Department of Biotechnology and Systems Biology, National Institute of Biology, Večna pot 111, 1000 Ljubljana, Slovenia
| | - Magda Tušek Žnidarič
- Department of Biotechnology and Systems Biology, National Institute of Biology, Večna pot 111, 1000 Ljubljana, Slovenia
| | - Lidija Fras Zemljič
- Laboratory for Characterization and Processing of Polymers, Faculty of Mechanical Engineering, University of Maribor, Smetanova ulica 17, 2000 Maribor, Slovenia
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13
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Chitosan and its derivatives as polymeric anti-viral therapeutics and potential anti-SARS-CoV-2 nanomedicine. Carbohydr Polym 2022; 290:119500. [PMID: 35550778 PMCID: PMC9020865 DOI: 10.1016/j.carbpol.2022.119500] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 04/11/2022] [Accepted: 04/13/2022] [Indexed: 01/07/2023]
Abstract
The coronavirus pandemic, COVID-19 has a global impact on the lives and livelihoods of people. It is characterized by a widespread infection by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), where infected patients may develop serious medical complications or even face death. Development of therapeutic is essential to reduce the morbidity and mortality of infected patients. Chitosan is a versatile biomaterial in nanomedicine and exhibits anti-microbial, anti-cancer and immunomodulatory properties. This review highlights the progress in chitosan design and application pertaining to the anti-viral effects of chitosan and chitosan derivatives (hydroxypropyl trimethylammonium, sulfate, carboxymethyl, bromine, sialylglycopolymer, peptide and phosphonium conjugates) as a function of molecular weight, degree of deacetylation, type of substituents and their degree and site of substitution. The physicochemical attributes of these polymeric therapeutics are identified against the possibility of processing them into nanomedicine which can confer a higher level of anti-viral efficacy. The designs of chitosan for the purpose of targeting SARS-CoV-2, as well as the ever-evolving strains of viruses with a broad spectrum anti-viral activity to meet pandemic preparedness at the early stages of outbreak are discussed.
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Iraci N, Corsaro C, Giofrè SV, Neri G, Mezzasalma AM, Vacalebre M, Speciale A, Saija A, Cimino F, Fazio E. Nanoscale Technologies in the Fight against COVID-19: From Innovative Nanomaterials to Computer-Aided Discovery of Potential Antiviral Plant-Derived Drugs. Biomolecules 2022; 12:1060. [PMID: 36008954 PMCID: PMC9405735 DOI: 10.3390/biom12081060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/25/2022] [Accepted: 07/26/2022] [Indexed: 12/04/2022] Open
Abstract
The last few years have increasingly emphasized the need to develop new active antiviral products obtained from artificial synthesis processes using nanomaterials, but also derived from natural matrices. At the same time, advanced computational approaches have found themselves fundamental in the repurposing of active therapeutics or for reducing the very long developing phases of new drugs discovery, which represents a real limitation, especially in the case of pandemics. The first part of the review is focused on the most innovative nanomaterials promising both in the field of therapeutic agents, as well as measures to control virus spread (i.e., innovative antiviral textiles). The second part of the review aims to show how computer-aided technologies can allow us to identify, in a rapid and therefore constantly updated way, plant-derived molecules (i.e., those included in terpenoids) potentially able to efficiently interact with SARS-CoV-2 cell penetration pathways.
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Affiliation(s)
- Nunzio Iraci
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno D’Alcontres 31, I-98166 Messina, Italy; (N.I.); (S.V.G.); (G.N.); (A.S.); (A.S.)
| | - Carmelo Corsaro
- Department of Mathematical and Computational Sciences, Physics Science and Earth Science, University of Messina, Viale F. Stagno D’Alcontres 31, I-98166 Messina, Italy; (A.M.M.); (M.V.); (E.F.)
| | - Salvatore V. Giofrè
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno D’Alcontres 31, I-98166 Messina, Italy; (N.I.); (S.V.G.); (G.N.); (A.S.); (A.S.)
| | - Giulia Neri
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno D’Alcontres 31, I-98166 Messina, Italy; (N.I.); (S.V.G.); (G.N.); (A.S.); (A.S.)
| | - Angela Maria Mezzasalma
- Department of Mathematical and Computational Sciences, Physics Science and Earth Science, University of Messina, Viale F. Stagno D’Alcontres 31, I-98166 Messina, Italy; (A.M.M.); (M.V.); (E.F.)
| | - Martina Vacalebre
- Department of Mathematical and Computational Sciences, Physics Science and Earth Science, University of Messina, Viale F. Stagno D’Alcontres 31, I-98166 Messina, Italy; (A.M.M.); (M.V.); (E.F.)
| | - Antonio Speciale
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno D’Alcontres 31, I-98166 Messina, Italy; (N.I.); (S.V.G.); (G.N.); (A.S.); (A.S.)
| | - Antonina Saija
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno D’Alcontres 31, I-98166 Messina, Italy; (N.I.); (S.V.G.); (G.N.); (A.S.); (A.S.)
| | - Francesco Cimino
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale F. Stagno D’Alcontres 31, I-98166 Messina, Italy; (N.I.); (S.V.G.); (G.N.); (A.S.); (A.S.)
| | - Enza Fazio
- Department of Mathematical and Computational Sciences, Physics Science and Earth Science, University of Messina, Viale F. Stagno D’Alcontres 31, I-98166 Messina, Italy; (A.M.M.); (M.V.); (E.F.)
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Pereira PFS, de Paula E Silva ACA, da Silva Pimentel BNA, Pinatti IM, Simões AZ, Vergani CE, Barreto-Vieira DF, da Silva MAN, Miranda MD, Monteiro MES, Tucci A, Doñate-Buendía C, Mínguez-Vega G, Andrés J, Longo E. Inactivation of SARS-CoV-2 by a chitosan/α-Ag 2WO 4 composite generated by femtosecond laser irradiation. Sci Rep 2022; 12:8118. [PMID: 35581241 PMCID: PMC9114143 DOI: 10.1038/s41598-022-11902-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 02/22/2022] [Indexed: 12/23/2022] Open
Abstract
In the current COVID-19 pandemic, the next generation of innovative materials with enhanced anti-SARS-CoV-2 activity is urgently needed to prevent the spread of this virus within the community. Herein, we report the synthesis of chitosan/α-Ag2WO4 composites synthetized by femtosecond laser irradiation. The antimicrobial activity against Escherichia coli, Methicilin-susceptible Staphylococcus aureus (MSSA), and Candida albicans was determined by estimating the minimum inhibitory concentration (MIC) and minimal bactericidal/fungicidal concentration (MBC/MFC). To assess the biocompatibility of chitosan/α-Ag2WO4 composites in a range involving MIC and MBC/MFC on keratinocytes cells (NOK-si), an alamarBlue™ assay and an MTT assay were carried out. The SARS-CoV-2 virucidal effects was analyzed in Vero E6 cells through viral titer quantified in cell culture supernatant by PFU/mL assay. Our results showed a very similar antimicrobial activity of chitosan/α-Ag2WO4 3.3 and 6.6, with the last one demonstrating a slightly better action against MSSA. The chitosan/α-Ag2WO4 9.9 showed a wide range of antimicrobial activity (0.49-31.25 µg/mL). The cytotoxicity outcomes by alamarBlue™ revealed that the concentrations of interest (MIC and MBC/MFC) were considered non-cytotoxic to all composites after 72 h of exposure. The Chitosan/α-Ag2WO4 (CS6.6/α-Ag2WO4) composite reduced the SARS-CoV-2 viral titer quantification up to 80% of the controls. Then, our results suggest that these composites are highly efficient materials to kill bacteria (Escherichia coli, Methicillin-susceptible Staphylococcus aureus, and the yeast strain Candida albicans), in addition to inactivating SARS-CoV-2 by contact, through ROS production.
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Affiliation(s)
- Paula Fabiana Santos Pereira
- CDMF, LIEC, Department of Chemistry, Federal University of São Carlos (UFSCar), P.O. Box 676, São Carlos, SP, 13565-905, Brazil.,Department of Physical and Analytical Chemistry, University Jaume I (UJI), 12071, Castelló, Spain
| | - Ana Carolina Alves de Paula E Silva
- Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University (UNESP), 1680 Humaitá Street, Araraquara, SP, 14801-903, Brazil
| | - Bruna Natália Alves da Silva Pimentel
- Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University (UNESP), 1680 Humaitá Street, Araraquara, SP, 14801-903, Brazil
| | - Ivo Mateus Pinatti
- Department of Physical and Analytical Chemistry, University Jaume I (UJI), 12071, Castelló, Spain.,Faculty of Engineering of Guaratinguetá, São Paulo State University (UNESP), Guaratinguetá, SP, 12516-410, Brazil
| | - Alexandre Zirpoli Simões
- Faculty of Engineering of Guaratinguetá, São Paulo State University (UNESP), Guaratinguetá, SP, 12516-410, Brazil
| | - Carlos Eduardo Vergani
- Department of Dental Materials and Prosthodontics, School of Dentistry, São Paulo State University (UNESP), 1680 Humaitá Street, Araraquara, SP, 14801-903, Brazil
| | - Débora Ferreira Barreto-Vieira
- Laboratory of Viral Morphology and Morphogenesis, Oswaldo Cruz Institute, Fiocruz, Avenida Brasil, Rio de Janeiro, Brazil
| | | | - Milene Dias Miranda
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute, Fiocruz, Avenida Brasil, Rio de Janeiro, Brazil
| | - Maria Eduarda Santos Monteiro
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute, Fiocruz, Avenida Brasil, Rio de Janeiro, Brazil
| | - Amanda Tucci
- Laboratory of Respiratory Viruses and Measles, Oswaldo Cruz Institute, Fiocruz, Avenida Brasil, Rio de Janeiro, Brazil
| | - Carlos Doñate-Buendía
- GROC UJI, Institute of New Imaging Technologies, Universitat Jaume I, Avda. Sos Baynat sn, 12071, Castellón de la Plana, Spain.,Materials Science and Additive Manufacturing, University of Wuppertal, Gaußstr. 20, 42119, Wuppertal, Germany
| | - Gladys Mínguez-Vega
- GROC UJI, Institute of New Imaging Technologies, Universitat Jaume I, Avda. Sos Baynat sn, 12071, Castellón de la Plana, Spain
| | - Juan Andrés
- Department of Physical and Analytical Chemistry, University Jaume I (UJI), 12071, Castelló, Spain
| | - Elson Longo
- CDMF, LIEC, Department of Chemistry, Federal University of São Carlos (UFSCar), P.O. Box 676, São Carlos, SP, 13565-905, Brazil.
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Jiménez-Arriagada D, Hidalgo AA, Neira V, Neira-Carrillo A, Bucarey SA. Low molecular weight sulfated chitosan efficiently reduces infection capacity of porcine circovirus type 2 (PCV2) in PK15 cells. Virol J 2022; 19:52. [PMID: 35331290 PMCID: PMC8943519 DOI: 10.1186/s12985-022-01781-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 03/10/2022] [Indexed: 11/15/2022] Open
Abstract
Background Porcine circovirus type 2 (PCV2)-associated diseases are a major problem for the swine industry worldwide. In addition to vaccines, the availability of antiviral polymers provides an efficient and safe option for reducing the impact of these diseases. By virtue of their molecular weight and repetitious structure, polymers possess properties not found in small-molecule drugs. In this perspective, we focus on chitosan, a ubiquitous biopolymer, that adjusts the molecular weight and sulfated-mediated functionality can act as an efficient antiviral polymer by mimicking PCV2-cell receptor interactions. Methods Sulfated chitosan (Chi-S) polymers of two molecular weights were synthesized and characterized by FTIR, SEM–EDS and elemental analysis. The Chi-S solutions were tested against PCV2 infection in PK15 cells in vitro and antiviral activity was evaluated by measuring the PCV2 DNA copy number, TCID50 and capsid protein expression, upon application of different molecular weights, sulfate functionalization, and concentrations of polymer. In addition, to explore the mode of action of the Chi-S against PCV2 infection, experiments were designed to elucidate whether the antiviral activity of the Chi-S would be influenced by when it was added to the cells, relative to the time and stage of viral infection. Results Chi-S significantly reduced genomic copies, TCID50 titers and capsid protein of PCV2, showing specific antiviral effects depending on its molecular weight, concentration, and chemical functionalization. Assays designed to explore the mode of action of the low molecular weight Chi-S revealed that it exerted antiviral activity through impeding viral attachment and penetration into cells. Conclusions These findings help better understanding the interactions of PCV2 and porcine cells and reinforce the idea that sulfated polymers, such as Chi-S, represent a promising candidates for use in antiviral therapies against PCV2-associated diseases. Further studies in swine are warranted.
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Affiliation(s)
- Daniela Jiménez-Arriagada
- Programa de Doctorado en Ciencias Silvoagropecuarias y Veterinarias, Campus Sur Universidad de Chile, Santa Rosa 11315, La Pintana, CP: 8820808, Santiago, Chile
| | - Alejandro A Hidalgo
- Escuela de Química y Farmacia, Facultad de Medicina, Universidad Andres Bello, Sazié 2320, Santiago, Chile
| | - Victor Neira
- Unidad de Virología, Departamento de Medicina Preventiva, Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Santa Rosa 11735, La Pintana, Santiago, Chile
| | - Andrónico Neira-Carrillo
- Laboratorio Polyform, Departamento de Ciencias Biológicas, Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Av. Sta. Rosa 11735, La Pintana, Santiago, Chile.
| | - Sergio A Bucarey
- Departamento de Ciencias Biológicas, Centro Biotecnológico Veterinario, Biovetec, Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Santa Rosa 11735, La Pintana, Santiago, Chile.
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Development and Characterization of Antimicrobial Textiles from Chitosan-Based Compounds: Possible Biomaterials Against SARS-CoV-2 Viruses. J Inorg Organomet Polym Mater 2022; 32:1473-1486. [PMID: 35106063 PMCID: PMC8794601 DOI: 10.1007/s10904-021-02192-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 12/06/2021] [Indexed: 02/07/2023]
Abstract
Novel antiviral cotton fabrics impregnated with different formulations based on Chitosan (CH), citric acid (CA), and Copper (Cu) were developed. CA was selected as a CH crosslinker agent and Cu salts as enhancers of the polymer antimicrobial activity. The characterization of the polymeric-inorganic formulations was assessed by using atomic absorption spectroscopy, X-ray diffraction, Fourier transform infrared and UV–Vis spectroscopy, as well as thermogravimetric analysis. The achieved data revealed that CuO nanoparticles were formed by means of chitosan and citric acid in the reaction media. The antiviral activity of CH-based formulations against bovine alphaherpesvirus and bovine betacoronavirus was analyzed. Cotton fabrics were impregnated with the selected formulations and the antiviral properties of such textiles were examined before and after 5 to 10 washing cycles. Herpes simplex virus type 1 was selected to analyze the antiviral activities of the functionalized cotton fabrics. The resulting impregnated textiles exhibited integrated properties of good adhesion without substantially modifying their appearance and antiviral efficacy (~ 100%), which enabling to serve as a scalable biocidal layer in protective equipment’s by providing contact killing against pathogens. Thus, the results revealed a viable contribution to the design of functional-active materials based on a natural polymer such as chitosan. This proposal may be considered as a potential tool to inhibit the propagation and dissemination of enveloped viruses, including SARS-CoV-2.
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Botwina P, Obłoza M, Zatorska-Płachta M, Kamiński K, Mizusaki M, Yusa SI, Szczubiałka K, Pyrc K, Nowakowska M. Self-Organized Nanoparticles of Random and Block Copolymers of Sodium 2-(Acrylamido)-2-methyl-1-propanesulfonate and Sodium 11-(Acrylamido)undecanoate as Safe and Effective Zika Virus Inhibitors. Pharmaceutics 2022; 14:309. [PMID: 35214042 PMCID: PMC8876367 DOI: 10.3390/pharmaceutics14020309] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/22/2022] [Accepted: 01/24/2022] [Indexed: 02/04/2023] Open
Abstract
A series of anionic homopolymers, poly(sodium 2-(acrylamido)-2-methyl-1-propanesulfonate) (PAMPS) and amphiphilic copolymers of AMPS and sodium 11-(acrylamido)undecanoate (AaU), both block (PAMPS75-b-PAaUn), and random (P(AMPSm-co-AaUn)), were synthesized and their antiviral activity against Zika virus (ZIKV) was evaluated. Interestingly, while the homopolymers showed limited antiviral activity, the copolymers are very efficient antivirals. This observation was explained considering that under the conditions relevant to the biological experiments (pH 7.4 PBS buffer) the macromolecules of these copolymers exist as negatively charged (zeta potential about -25 mV) nanoparticles (4-12 nm) due to their self-organization. They inhibit the ZIKV replication cycle by binding to the cell surface and thereby blocking virus attachment to host cells. Considering good solubility in aqueous media, low toxicity, and high selectivity index (SI) of the PAMPS-b-PAaU copolymers, they can be considered promising agents against ZIKV infections.
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Affiliation(s)
- Pawel Botwina
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, 30-387 Krakow, Poland;
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, 30-387 Krakow, Poland
| | - Magdalena Obłoza
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, 30-387 Krakow, Poland; (M.O.); (M.Z.-P.); (K.K.); (K.S.)
| | - Maria Zatorska-Płachta
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, 30-387 Krakow, Poland; (M.O.); (M.Z.-P.); (K.K.); (K.S.)
| | - Kamil Kamiński
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, 30-387 Krakow, Poland; (M.O.); (M.Z.-P.); (K.K.); (K.S.)
| | - Masanobu Mizusaki
- Department of Applied Chemistry, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji 671-2280, Japan; (M.M.); (S.-I.Y.)
| | - Shin-Ichi Yusa
- Department of Applied Chemistry, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji 671-2280, Japan; (M.M.); (S.-I.Y.)
| | - Krzysztof Szczubiałka
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, 30-387 Krakow, Poland; (M.O.); (M.Z.-P.); (K.K.); (K.S.)
| | - Krzysztof Pyrc
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, 30-387 Krakow, Poland
| | - Maria Nowakowska
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, 30-387 Krakow, Poland; (M.O.); (M.Z.-P.); (K.K.); (K.S.)
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Mukhtar M, Fényes E, Bartos C, Zeeshan M, Ambrus R. Chitosan biopolymer, its derivatives and potential applications in nano-therapeutics: A comprehensive review. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110767] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Pyrć K, Milewska A, Duran EB, Botwina P, Dabrowska A, Jedrysik M, Benedyk M, Lopes R, Arenas-Pinto A, Badr M, Mellor R, Kalber TL, Fernandez-Reyes D, Schätzlein AG, Uchegbu IF. SARS-CoV-2 inhibition using a mucoadhesive, amphiphilic chitosan that may serve as an anti-viral nasal spray. Sci Rep 2021; 11:20012. [PMID: 34625610 PMCID: PMC8501059 DOI: 10.1038/s41598-021-99404-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 09/22/2021] [Indexed: 12/27/2022] Open
Abstract
There are currently no cures for coronavirus infections, making the prevention of infections the only course open at the present time. The COVID-19 pandemic has been difficult to prevent, as the infection is spread by respiratory droplets and thus effective, scalable and safe preventive interventions are urgently needed. We hypothesise that preventing viral entry into mammalian nasal epithelial cells may be one way to limit the spread of COVID-19. Here we show that N-palmitoyl-N-monomethyl-N,N-dimethyl-N,N,N-trimethyl-6-O-glycolchitosan (GCPQ), a positively charged polymer that has been through an extensive Good Laboratory Practice toxicology screen, is able to reduce the infectivity of SARS-COV-2 in A549ACE2+ and Vero E6 cells with a log removal value of - 3 to - 4 at a concentration of 10-100 μg/ mL (p < 0.05 compared to untreated controls) and to limit infectivity in human airway epithelial cells at a concentration of 500 μg/ mL (p < 0.05 compared to untreated controls). In vivo studies using transgenic mice expressing the ACE-2 receptor, dosed nasally with SARS-COV-2 (426,000 TCID50/mL) showed a trend for nasal GCPQ (20 mg/kg) to inhibit viral load in the respiratory tract and brain, although the study was not powered to detect statistical significance. GCPQ's electrostatic binding to the virus, preventing viral entry into the host cells, is the most likely mechanism of viral inhibition. Radiolabelled GCPQ studies in mice show that at a dose of 10 mg/kg, GCPQ has a long residence time in mouse nares, with 13.1% of the injected dose identified from SPECT/CT in the nares, 24 h after nasal dosing. With a no observed adverse effect level of 18 mg/kg in rats, following a 28-day repeat dose study, clinical testing of this polymer, as a COVID-19 prophylactic is warranted.
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Affiliation(s)
- Krzysztof Pyrć
- Laboratory of Virology and ABSL3 Animal Facility at the Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387, Krakow, Poland
| | - Aleksandra Milewska
- Laboratory of Virology and ABSL3 Animal Facility at the Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387, Krakow, Poland
| | - Emilia Barreto Duran
- Laboratory of Virology and ABSL3 Animal Facility at the Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387, Krakow, Poland
| | - Paweł Botwina
- Laboratory of Virology and ABSL3 Animal Facility at the Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387, Krakow, Poland
| | - Agnieszka Dabrowska
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387, Krakow, Poland
| | - Malwina Jedrysik
- Laboratory of Virology and ABSL3 Animal Facility at the Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387, Krakow, Poland
| | - Malgorzata Benedyk
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387, Krakow, Poland
| | - Rui Lopes
- Nanomerics Ltd., 6th Floor, 2 London Wall Place, London, EC2Y 5AU, UK
- UCL School of Pharmacy, 29-39 Brunswick Square, London, WC1N 1AX, UK
| | - Alejandro Arenas-Pinto
- Centre for Clinical Research in Infection and Sexual Health, UCL Institute for Global Health, Mortimer Market Centre, off Capper Street, London, WC1E 6JB, UK
- MRC-Clinical Trials Unit at UCL, Institute of Clinical Trials and Methodology, 90 High Holborn, London, WC1V 6LJ, UK
| | - Moutaz Badr
- Nanomerics Ltd., 6th Floor, 2 London Wall Place, London, EC2Y 5AU, UK
- UCL School of Pharmacy, 29-39 Brunswick Square, London, WC1N 1AX, UK
| | - Ryan Mellor
- Nanomerics Ltd., 6th Floor, 2 London Wall Place, London, EC2Y 5AU, UK
- UCL School of Pharmacy, 29-39 Brunswick Square, London, WC1N 1AX, UK
| | - Tammy L Kalber
- Centre for Advanced Biomedical Imaging (CABI), Division of Medicine, University College London, London, WC1E 6DD, UK
| | | | - Andreas G Schätzlein
- Nanomerics Ltd., 6th Floor, 2 London Wall Place, London, EC2Y 5AU, UK
- UCL School of Pharmacy, 29-39 Brunswick Square, London, WC1N 1AX, UK
| | - Ijeoma F Uchegbu
- Nanomerics Ltd., 6th Floor, 2 London Wall Place, London, EC2Y 5AU, UK.
- UCL School of Pharmacy, 29-39 Brunswick Square, London, WC1N 1AX, UK.
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21
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Das KP, Sharma D, Saha S, Satapathy BK. From outbreak of COVID-19 to launching of vaccination drive: invigorating single-use plastics, mitigation strategies, and way forward. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:55811-55845. [PMID: 34480299 PMCID: PMC8415439 DOI: 10.1007/s11356-021-16025-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 08/14/2021] [Indexed: 05/14/2023]
Abstract
The unforeseen outbreak of the COVID-19 epidemic has significantly stipulated the use of plastics to minimize the exposure and spread of the novel coronavirus. With the onset of the vaccination drive, the issue draws even more attention due to additional demand for vaccine packaging, transport, disposable syringes, and other allied devices scaling up to many million tonnes of plastic. Plastic materials in personal protective equipment (PPE), disposable pharmaceutical devices, and packaging for e-commerce facilities are perceived to be a lifesaver for the frontline healthcare personnel and the general public amidst recurring waves of the pandemic. However, the same material poses a threat as an evil environmental polluter when attributed to its indiscriminate and improper littering as well as mismanagement. The review not only highlights the environmental consequences due to the excessive use of disposable plastics amidst COVID-19 but also recommends mixed approaches to its management by adopting the combined and step-by-step methodology of adequate segregation, sterilization, sanitization activities, technological intervention, and process optimization measures. The overview finally concludes with some crucial way-forward measures and recommendations like the development of bioplastics and focusing on biodegradable/bio-compostable material alternatives to holistically deal with future pandemics.
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Affiliation(s)
- Krishna Priyadarshini Das
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Deepika Sharma
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Sampa Saha
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Bhabani K Satapathy
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.
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22
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Mazur-Panasiuk N, Botwina P, Kutaj A, Woszczyna D, Pyrc K. Ozone Treatment Is Insufficient to Inactivate SARS-CoV-2 Surrogate under Field Conditions. Antioxidants (Basel) 2021; 10:1480. [PMID: 34573110 PMCID: PMC8470094 DOI: 10.3390/antiox10091480] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/11/2021] [Accepted: 09/13/2021] [Indexed: 12/23/2022] Open
Abstract
COVID-19 caused by SARS-CoV-2 caused a worldwide crisis, highlighting the importance of preventive measures in infectious diseases control. SARS-CoV-2 can remain infectious on surfaces for up to several weeks; therefore, proper disinfection is required to mitigate the risk of indirect virus spreading. Gaseous ozone treatment has received particular attention as an easily accessible disinfection tool. In this study, we evaluated the virucidal effectiveness of gaseous ozone treatment (>7.3 ppm, 2 h) on murine hepatitis virus (MHV)-contaminated stainless-steel surface and PBS-suspended virus under field conditions at ambient (21.8%) and high (49.8-54.2%) relative humidity. Surficial virus was soiled with 0.3 g/L of BSA. Parallelly, a half-hour vaporization with 7.3% hydrogen peroxide was performed on contaminated carriers. The obtained results showed that gaseous ozone, whilst quite effective against suspended virus, was insufficient in sanitizing coronavirus contaminated surfaces, especially under low RH. Increased humidity created more favorable conditions for MHV inactivation, resulting in 2.1 log titre reduction. Vaporization with 7.3% hydrogen peroxide presented much better virucidal performance than ozonation in a similar experimental setup, indicating that its application may be more advantageous regarding gaseous disinfection of surfaces contaminated with other coronaviruses, including SARS-CoV-2.
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Affiliation(s)
- Natalia Mazur-Panasiuk
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7A, 30-387 Krakow, Poland; (N.M.-P.); (P.B.)
| | - Pawel Botwina
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7A, 30-387 Krakow, Poland; (N.M.-P.); (P.B.)
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Adrian Kutaj
- Rescue and Fire Fighting Services no. 6, Regional Headquarters of the State Fire Service in Krakow, Aleksandry 2, 30-837 Krakow, Poland; (A.K.); (D.W.)
| | - Damian Woszczyna
- Rescue and Fire Fighting Services no. 6, Regional Headquarters of the State Fire Service in Krakow, Aleksandry 2, 30-837 Krakow, Poland; (A.K.); (D.W.)
| | - Krzysztof Pyrc
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7A, 30-387 Krakow, Poland; (N.M.-P.); (P.B.)
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23
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Umar Y, Al-Batty S, Rahman H, Ashwaq O, Sarief A, Sadique Z, Sreekumar PA, Haque SKM. Polymeric Materials as Potential Inhibitors Against SARS-CoV-2. JOURNAL OF POLYMERS AND THE ENVIRONMENT 2021; 30:1244-1263. [PMID: 34518763 PMCID: PMC8426594 DOI: 10.1007/s10924-021-02272-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/22/2021] [Indexed: 05/02/2023]
Abstract
Recently discovered SARS-CoV-2 caused a pandemic that triggered researchers worldwide to focus their research on all aspects of this new peril to humanity. However, in the absence of specific therapeutic intervention, some preventive strategies and supportive treatment minimize the viral transmission as studied by some factors such as basic reproduction number, case fatality rate, and incubation period in the epidemiology of viral diseases. This review briefly discusses coronaviruses' life cycle of SARS-CoV-2 in a human host cell and preventive strategies at some selected source of infection. The antiviral activities of synthetic and natural polymers such as chitosan, hydrophobically modified chitosan, galactosylated chitosan, amine-based dendrimers, cyclodextrin, carrageenans, polyethyleneimine, nanoparticles are highlighted in this article. Mechanism of virus inhibition, detection and diagnosis are also presented. It also suggests that polymeric materials and nanoparticles can be effective as potential inhibitors and immunization against coronaviruses which would further develop new technologies in the field of polymer and nanoscience.
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Affiliation(s)
- Yunusa Umar
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - Sirhan Al-Batty
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - Habibur Rahman
- Department of General Studies, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - Omar Ashwaq
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - Abdulla Sarief
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - Zakariya Sadique
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - P. A. Sreekumar
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
| | - S. K. Manirul Haque
- Department of Chemical and Process Engineering Technology, Jubail Industrial College, Jubail Industrial City, 31961 Saudi Arabia
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24
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Gharpure S, Ankamwar B. Use of nanotechnology in combating coronavirus. 3 Biotech 2021; 11:358. [PMID: 34221822 PMCID: PMC8238387 DOI: 10.1007/s13205-021-02905-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 06/19/2021] [Indexed: 10/25/2022] Open
Abstract
Recent COVID-19 pandemic situation caused due to the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) affected global health as well as economics. There is global attention on prevention, diagnosis as well as treatment of COVID-19 infection which would help in easing the current situation. The use of nanotechnology and nanomedicine has been considered to be promising due to its excellent potential in managing various medical issues such as viruses which is a major threat. Nanoparticles have shown great potential in various biomedical applications and can prove to be of great use in antiviral therapy, especially over other conventional antiviral agents. This review focusses on the pathophysiology of SARS-CoV-2 and the progression of the COVID-19 disease followed by currently available treatments for the same. Use of nanotechnology has been elaborated by exploiting various nanoparticles like metal and metal oxide nanoparticles, carbon-based nanoparticles, quantum dots, polymeric nanoparticles as well as lipid-based nanoparticles along with its mechanism of action against viruses which can prove to be beneficial in COVID-19 therapeutics. However, it needs to be considered that use of these nanotechnology-based approaches in COVID-19 therapeutics only aids the human immunity in fighting the infection. The main function is performed by the immune system in combatting any infection.
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Affiliation(s)
- Saee Gharpure
- Bio-Inspired Materials Research Laboratory, Department of Chemistry, Savitribai Phule Pune University (Formerly University of Pune), Ganeshkhind, Pune, 411007 India
| | - Balaprasad Ankamwar
- Bio-Inspired Materials Research Laboratory, Department of Chemistry, Savitribai Phule Pune University (Formerly University of Pune), Ganeshkhind, Pune, 411007 India
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25
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Andrew M, Jayaraman G. Marine sulfated polysaccharides as potential antiviral drug candidates to treat Corona Virus disease (COVID-19). Carbohydr Res 2021; 505:108326. [PMID: 34015720 PMCID: PMC8091805 DOI: 10.1016/j.carres.2021.108326] [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: 11/11/2020] [Revised: 04/19/2021] [Accepted: 04/19/2021] [Indexed: 02/06/2023]
Abstract
The viral infection caused by SARS-CoV-2 has increased the mortality rate and engaged several adverse effects on the affected individuals. Currently available antiviral drugs have found to be unsuccessful in the treatment of COVID-19 patients. The demand for efficient antiviral drugs has created a huge burden on physicians and health workers. Plasma therapy seems to be less accomplishable due to insufficient donors to donate plasma and low recovery rate from viral infection. Repurposing of antivirals has been evolved as a suitable strategy in the current treatment and preventive measures. The concept of drug repurposing represents new experimental approaches for effective therapeutic benefits. Besides, SARS-CoV-2 exhibits several complications such as lung damage, blood clot formation, respiratory illness and organ failures in most of the patients. Based on the accumulation of data, sulfated marine polysaccharides have exerted successful inhibition of virus entry, attachment and replication with known or unknown possible mechanisms against deadly animal and human viruses so far. Since the virus entry into the host cells is the key process, the prevention of such entry mechanism makes any antiviral strategy effective. Enveloped viruses are more sensitive to polyanions than non-enveloped viruses. Besides, the viral infection caused by RNA virus types embarks severe oxidative stress in the human body that leads to malfunction of tissues and organs. In this context, polysaccharides play a very significant role in providing shielding effect against the virus due to their polyanionic rich features and a molecular weight that hinders their reactive surface glycoproteins. Significantly the functional groups especially sulfate, sulfate pattern and addition, uronic acids, monosaccharides, glycosidic linkage and high molecular weight have greater influence in the antiviral activity. Moreover, they are very good antioxidants that can reduce the free radical generation and provokes intracellular antioxidant enzymes. Additionally, polysaccharides enable a host-virus immune response, activate phagocytosis and stimulate interferon systems. Therefore, polysaccharides can be used as candidate drugs, adjuvants in vaccines or combination with other antivirals, antioxidants and immune-activating nutritional supplements and antiviral materials in healthcare products to prevent SARS-CoV-2 infection.
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Affiliation(s)
- Monic Andrew
- Department of Biotechnology, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, 632014, Tamil Nadu, India
| | - Gurunathan Jayaraman
- Department of Biotechnology, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, 632014, Tamil Nadu, India.
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26
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Jiang X, Li Z, Young DJ, Liu M, Wu C, Wu YL, Loh XJ. Toward the prevention of coronavirus infection: what role can polymers play? MATERIALS TODAY. ADVANCES 2021; 10:100140. [PMID: 33778467 PMCID: PMC7980145 DOI: 10.1016/j.mtadv.2021.100140] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/26/2021] [Accepted: 03/02/2021] [Indexed: 05/05/2023]
Abstract
Severe acute respiratory syndrome-associated coronavirus 2 has caused a global public health crisis with high rates of infection and mortality. Treatment and prevention approaches include vaccine development, the design of small-molecule antiviral drugs, and macromolecular neutralizing antibodies. Polymers have been designed for effective virus inhibition and as antiviral drug delivery carriers. This review summarizes recent progress and provides a perspective on polymer-based approaches for the treatment and prevention of coronavirus infection. These polymer-based partners include polyanion/polycations, dendritic polymers, macromolecular prodrugs, and polymeric drug delivery systems that have the potential to significantly improve the efficacy of antiviral therapeutics.
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Affiliation(s)
- X Jiang
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China
| | - Z Li
- Institute of Materials Research and Engineering, A∗STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, #08-03, Singapore 138634, Singapore
| | - D J Young
- College of Engineering, Information Technology and Environment, Charles Darwin University, Northern Territory 0909, Australia
| | - M Liu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China
| | - C Wu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China
| | - Y-L Wu
- Fujian Provincial Key Laboratory of Innovative Drug Target Research and State Key Laboratory of Cellular Stress Biology, School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China
| | - X J Loh
- Institute of Materials Research and Engineering, A∗STAR (Agency for Science, Technology and Research), 2 Fusionopolis Way, Innovis, #08-03, Singapore 138634, Singapore
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27
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Safarzadeh M, Sadeghi S, Azizi M, Rastegari-Pouyani M, Pouriran R, Haji Molla Hoseini M. Chitin and chitosan as tools to combat COVID-19: A triple approach. Int J Biol Macromol 2021; 183:235-244. [PMID: 33930442 PMCID: PMC8078037 DOI: 10.1016/j.ijbiomac.2021.04.157] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 04/21/2021] [Accepted: 04/25/2021] [Indexed: 12/18/2022]
Abstract
The progressive and fatal outbreak of the newly emerged coronavirus, SARS-CoV-2, necessitates rigorous collaboration of all health care systems and researchers from all around the world to bring such a devastating pandemic under control. As there is so far no officially approved drug or ideal vaccine for this disease, investigations on this infectious disease are actively pursued. Chitin and chitosan have shown promising results against viral infections. In this review, we first delve into the problematic consequences of viral pandemics followed by an introduction on SARS-CoV-2 taxonomical classification. Then, we elaborate on the immunology of COVID-19. Common antiviral therapies and their related limitations are described and finally, the potential applicability of chitin and chitosan to fight this overwhelming viral pandemic is addressed.
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Affiliation(s)
- Mehrnoush Safarzadeh
- Student Research Committee, Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sahar Sadeghi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahdieh Azizi
- Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohsen Rastegari-Pouyani
- Student Research Committee, Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ramin Pouriran
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mostafa Haji Molla Hoseini
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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28
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Synowiec A, Szczepański A, Barreto-Duran E, Lie LK, Pyrc K. Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2): a Systemic Infection. Clin Microbiol Rev 2021; 34:e00133-20. [PMID: 33441314 PMCID: PMC7849242 DOI: 10.1128/cmr.00133-20] [Citation(s) in RCA: 128] [Impact Index Per Article: 42.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
To date, seven identified coronaviruses (CoVs) have been found to infect humans; of these, three highly pathogenic variants have emerged in the 21st century. The newest member of this group, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), was first detected at the end of 2019 in Hubei province, China. Since then, this novel coronavirus has spread worldwide, causing a pandemic; the respiratory disease caused by the virus is called coronavirus disease 2019 (COVID-19). The clinical presentation ranges from asymptomatic to mild respiratory tract infections and influenza-like illness to severe disease with accompanying lung injury, multiorgan failure, and death. Although the lungs are believed to be the site at which SARS-CoV-2 replicates, infected patients often report other symptoms, suggesting the involvement of the gastrointestinal tract, heart, cardiovascular system, kidneys, and other organs; therefore, the following question arises: is COVID-19 a respiratory or systemic disease? This review aims to summarize existing data on the replication of SARS-CoV-2 in different tissues in both patients and ex vivo models.
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Affiliation(s)
- Aleksandra Synowiec
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
| | - Artur Szczepański
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Emilia Barreto-Duran
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
| | - Laurensius Kevin Lie
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
| | - Krzysztof Pyrc
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
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29
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Sharma N, Modak C, Singh PK, Kumar R, Khatri D, Singh SB. Underscoring the immense potential of chitosan in fighting a wide spectrum of viruses: A plausible molecule against SARS-CoV-2? Int J Biol Macromol 2021; 179:33-44. [PMID: 33607132 PMCID: PMC7885638 DOI: 10.1016/j.ijbiomac.2021.02.090] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 02/01/2021] [Accepted: 02/12/2021] [Indexed: 12/19/2022]
Abstract
Chitosan is a deacetylated polycationic polysaccharide derived from chitin. It is structurally constituted of N-acetyl-D-glucosamine and β-(1-4)-linked D-glucosamine where acetyl groups are randomly distributed across the polymer. The parameters of deacetylation and depolymerization process greatly influence various physico-chemical properties of chitosan and thus, offer a great degree of manipulation to synthesize chitosan of interest for various industrial and biomedical applications. Chitosan and its various derivatives have been a potential molecule of investigation in the area of anti-microbials especially anti-fungal, anti-bacterial and antiviral. The current review predominantly highlights and discusses about the antiviral activities of chitosan and its various substituted derivatives against a wide spectrum of human, animal, plants and bacteriophage viruses. The extrinsic and intrinsic factors that affect antiviral efficacy of chitosan have also been talked about. With the rapid unfolding of COVID-19 pandemic across the globe, we look for chitosan as a plausible potent antiviral molecule for fighting this disease. Through this review, we present enough literature data supporting role of chitosan against different strains of SARS viruses and also chitosan targeting CD147 receptors, a novel route for invasion of SARS-CoV-2 into host cells. We speculate the possibility of using chitosan as potential molecule against SARS-CoV-2 virus.
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Affiliation(s)
- Nivya Sharma
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Chandrima Modak
- Birla Institute of Technology and Sciences (BITS), PILANI, Pilani campus, India
| | - Pankaj Kumar Singh
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Rahul Kumar
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Dharmender Khatri
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India
| | - Shashi Bala Singh
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, India.
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30
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Zhou J, Krishnan N, Jiang Y, Fang RH, Zhang L. Nanotechnology for virus treatment. NANO TODAY 2021; 36:101031. [PMID: 33519948 PMCID: PMC7836394 DOI: 10.1016/j.nantod.2020.101031] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 11/09/2020] [Accepted: 11/11/2020] [Indexed: 04/14/2023]
Abstract
The continued emergence of novel viruses poses a significant threat to global health. Uncontrolled outbreaks can result in pandemics that have the potential to overburden our healthcare and economic systems. While vaccination is a conventional modality that can be employed to promote herd immunity, antiviral vaccines can only be applied prophylactically and do little to help patients who have already contracted viral infections. During the early stages of a disease outbreak when vaccines are unavailable, therapeutic antiviral drugs can be used as a stopgap solution. However, these treatments do not always work against emerging viral strains and can be accompanied by adverse effects that sometimes outweigh the benefits. Nanotechnology has the potential to overcome many of the challenges facing current antiviral therapies. For example, nanodelivery vehicles can be employed to drastically improve the pharmacokinetic profile of antiviral drugs while reducing their systemic toxicity. Other unique nanomaterials can be leveraged for their virucidal or virus-neutralizing properties. In this review, we discuss recent developments in antiviral nanotherapeutics and provide a perspective on the application of nanotechnology to the SARS-CoV-2 outbreak and future virus pandemics.
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Affiliation(s)
- Jiarong Zhou
- Department of NanoEngineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, CA, 92093, USA
| | - Nishta Krishnan
- Department of NanoEngineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, CA, 92093, USA
| | - Yao Jiang
- Department of NanoEngineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, CA, 92093, USA
| | - Ronnie H Fang
- Department of NanoEngineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, CA, 92093, USA
| | - Liangfang Zhang
- Department of NanoEngineering, Chemical Engineering Program, and Moores Cancer Center, University of California San Diego, La Jolla, CA, 92093, USA
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Milewska A, Chi Y, Szczepanski A, Barreto-Duran E, Dabrowska A, Botwina P, Obloza M, Liu K, Liu D, Guo X, Ge Y, Li J, Cui L, Ochman M, Urlik M, Rodziewicz-Motowidlo S, Zhu F, Szczubialka K, Nowakowska M, Pyrc K. HTCC as a Polymeric Inhibitor of SARS-CoV-2 and MERS-CoV. J Virol 2021; 95:e01622-20. [PMID: 33219167 PMCID: PMC7851557 DOI: 10.1128/jvi.01622-20] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 11/14/2020] [Indexed: 01/08/2023] Open
Abstract
Among seven coronaviruses that infect humans, three (severe acute respiratory syndrome coronavirus [SARS-CoV], Middle East respiratory syndrome coronavirus [MERS-CoV], and the newly identified severe acute respiratory syndrome coronavirus 2 [SARS-CoV-2]) are associated with a severe, life-threatening respiratory infection and multiorgan failure. We previously proposed that the cationically modified chitosan N-(2-hydroxypropyl)-3-trimethylammonium chitosan chloride (HTCC) is a potent inhibitor of human coronavirus NL63 (HCoV-NL63). Next, we demonstrated the broad-spectrum antiviral activity of the compound, as it inhibited all low-pathogenicity human coronaviruses (HCoV-NL63, HCoV-229E, HCoV-OC43, and HCoV-HKU1). Here, using in vitro and ex vivo models of human airway epithelia, we show that HTCC effectively blocks MERS-CoV and SARS-CoV-2 infection. We also confirmed the mechanism of action for these two viruses, showing that the polymer blocks the virus entry into the host cell by interaction with the S protein.IMPORTANCE The beginning of 2020 brought us information about the novel coronavirus emerging in China. Rapid research resulted in the characterization of the pathogen, which appeared to be a member of the SARS-like cluster, commonly seen in bats. Despite the global and local efforts, the virus escaped the health care measures and rapidly spread in China and later globally, officially causing a pandemic and global crisis in March 2020. At present, different scenarios are being written to contain the virus, but the development of novel anticoronavirals for all highly pathogenic coronaviruses remains the major challenge. Here, we describe the antiviral activity of an HTCC compound, previously developed by us, which may be used as a potential inhibitor of currently circulating highly pathogenic coronaviruses-SARS-CoV-2 and MERS-CoV.
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Affiliation(s)
- Aleksandra Milewska
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Ying Chi
- NHC Key Lab of Enteric Pathogenic Microbiology, Jiangsu Provincial Centre for Disease Control & Prevention, Nanjing, Jiangsu, People's Republic of China
| | - Artur Szczepanski
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Emilia Barreto-Duran
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
| | - Agnieszka Dabrowska
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Pawel Botwina
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Magdalena Obloza
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, Krakow, Poland
| | - Kevin Liu
- Nanjing Techboon Institute of Clinical Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Dan Liu
- Nanjing Techboon Institute of Clinical Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Xiling Guo
- NHC Key Lab of Enteric Pathogenic Microbiology, Jiangsu Provincial Centre for Disease Control & Prevention, Nanjing, Jiangsu, People's Republic of China
| | - Yiyue Ge
- NHC Key Lab of Enteric Pathogenic Microbiology, Jiangsu Provincial Centre for Disease Control & Prevention, Nanjing, Jiangsu, People's Republic of China
| | - Jingxin Li
- NHC Key Lab of Enteric Pathogenic Microbiology, Jiangsu Provincial Centre for Disease Control & Prevention, Nanjing, Jiangsu, People's Republic of China
| | - Lunbiao Cui
- NHC Key Lab of Enteric Pathogenic Microbiology, Jiangsu Provincial Centre for Disease Control & Prevention, Nanjing, Jiangsu, People's Republic of China
| | - Marek Ochman
- Department of Cardiac, Vascular and Endovascular Surgery and Transplantology, Silesian Centre for Heart Diseases, Medical University of Silesia in Katowice, Zabrze, Poland
| | - Maciej Urlik
- Department of Cardiac, Vascular and Endovascular Surgery and Transplantology, Silesian Centre for Heart Diseases, Medical University of Silesia in Katowice, Zabrze, Poland
| | | | - Fengcai Zhu
- NHC Key Lab of Enteric Pathogenic Microbiology, Jiangsu Provincial Centre for Disease Control & Prevention, Nanjing, Jiangsu, People's Republic of China
- Centre for Global Health, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Krzysztof Szczubialka
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, Krakow, Poland
| | - Maria Nowakowska
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, Krakow, Poland
| | - Krzysztof Pyrc
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
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Milewska A, Chi Y, Szczepanski A, Barreto-Duran E, Dabrowska A, Botwina P, Obloza M, Liu K, Liu D, Guo X, Ge Y, Li J, Cui L, Ochman M, Urlik M, Rodziewicz-Motowidlo S, Zhu F, Szczubialka K, Nowakowska M, Pyrc K. HTCC as a Polymeric Inhibitor of SARS-CoV-2 and MERS-CoV. J Virol 2021. [PMID: 33219167 DOI: 10.1101/2020.03.29.014183] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023] Open
Abstract
Among seven coronaviruses that infect humans, three (severe acute respiratory syndrome coronavirus [SARS-CoV], Middle East respiratory syndrome coronavirus [MERS-CoV], and the newly identified severe acute respiratory syndrome coronavirus 2 [SARS-CoV-2]) are associated with a severe, life-threatening respiratory infection and multiorgan failure. We previously proposed that the cationically modified chitosan N-(2-hydroxypropyl)-3-trimethylammonium chitosan chloride (HTCC) is a potent inhibitor of human coronavirus NL63 (HCoV-NL63). Next, we demonstrated the broad-spectrum antiviral activity of the compound, as it inhibited all low-pathogenicity human coronaviruses (HCoV-NL63, HCoV-229E, HCoV-OC43, and HCoV-HKU1). Here, using in vitro and ex vivo models of human airway epithelia, we show that HTCC effectively blocks MERS-CoV and SARS-CoV-2 infection. We also confirmed the mechanism of action for these two viruses, showing that the polymer blocks the virus entry into the host cell by interaction with the S protein.IMPORTANCE The beginning of 2020 brought us information about the novel coronavirus emerging in China. Rapid research resulted in the characterization of the pathogen, which appeared to be a member of the SARS-like cluster, commonly seen in bats. Despite the global and local efforts, the virus escaped the health care measures and rapidly spread in China and later globally, officially causing a pandemic and global crisis in March 2020. At present, different scenarios are being written to contain the virus, but the development of novel anticoronavirals for all highly pathogenic coronaviruses remains the major challenge. Here, we describe the antiviral activity of an HTCC compound, previously developed by us, which may be used as a potential inhibitor of currently circulating highly pathogenic coronaviruses-SARS-CoV-2 and MERS-CoV.
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Affiliation(s)
- Aleksandra Milewska
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Ying Chi
- NHC Key Lab of Enteric Pathogenic Microbiology, Jiangsu Provincial Centre for Disease Control & Prevention, Nanjing, Jiangsu, People's Republic of China
| | - Artur Szczepanski
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Emilia Barreto-Duran
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
| | - Agnieszka Dabrowska
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Pawel Botwina
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Magdalena Obloza
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, Krakow, Poland
| | - Kevin Liu
- Nanjing Techboon Institute of Clinical Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Dan Liu
- Nanjing Techboon Institute of Clinical Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Xiling Guo
- NHC Key Lab of Enteric Pathogenic Microbiology, Jiangsu Provincial Centre for Disease Control & Prevention, Nanjing, Jiangsu, People's Republic of China
| | - Yiyue Ge
- NHC Key Lab of Enteric Pathogenic Microbiology, Jiangsu Provincial Centre for Disease Control & Prevention, Nanjing, Jiangsu, People's Republic of China
| | - Jingxin Li
- NHC Key Lab of Enteric Pathogenic Microbiology, Jiangsu Provincial Centre for Disease Control & Prevention, Nanjing, Jiangsu, People's Republic of China
| | - Lunbiao Cui
- NHC Key Lab of Enteric Pathogenic Microbiology, Jiangsu Provincial Centre for Disease Control & Prevention, Nanjing, Jiangsu, People's Republic of China
| | - Marek Ochman
- Department of Cardiac, Vascular and Endovascular Surgery and Transplantology, Silesian Centre for Heart Diseases, Medical University of Silesia in Katowice, Zabrze, Poland
| | - Maciej Urlik
- Department of Cardiac, Vascular and Endovascular Surgery and Transplantology, Silesian Centre for Heart Diseases, Medical University of Silesia in Katowice, Zabrze, Poland
| | | | - Fengcai Zhu
- NHC Key Lab of Enteric Pathogenic Microbiology, Jiangsu Provincial Centre for Disease Control & Prevention, Nanjing, Jiangsu, People's Republic of China
- Centre for Global Health, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Krzysztof Szczubialka
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, Krakow, Poland
| | - Maria Nowakowska
- Department of Physical Chemistry, Faculty of Chemistry, Jagiellonian University, Krakow, Poland
| | - Krzysztof Pyrc
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
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Shagufta, Ahmad I. The race to treat COVID-19: Potential therapeutic agents for the prevention and treatment of SARS-CoV-2. Eur J Med Chem 2021; 213:113157. [PMID: 33486200 PMCID: PMC7802596 DOI: 10.1016/j.ejmech.2021.113157] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/10/2020] [Accepted: 01/02/2021] [Indexed: 12/13/2022]
Abstract
The unforeseen emergence of coronavirus disease 2019 (COVID-19), a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) at the Wuhan province of China in December 2019, subsequently its abrupt spread across the world has severely affected human life. In a short span of time, COVID-19 has sacked more than one million human lives and marked as a severe global pandemic, which is drastically accountable for the adverse effect directly to the human society, particularly the health care system and the economy. The unavailability of approved and effective drugs or vaccines against COVID-19 further created conditions more adverse and terrifying. To win the war against this pandemic within time there is a desperate need for the most adequate therapeutic treatment, which can be achieved by the collaborative research work among scientists worldwide. In continuation of our efforts to support the scientific community, a review has been presented which discusses the structure and the activity of numerous molecules exhibiting promising SARS-CoV-2 and other CoVs inhibition activities. Furthermore, this review offers an overview of the structure, a plausible mechanism of action of SARS-CoV-2, and crucial structural features substantial to inhibit the primary virus-based and host-based targets involved in SARS-CoV-2 treatment. We anticipate optimistically that this perspective will provide the reader and researcher’s better understanding regarding COVID-19 and pave the path in the direction of COVID-19 drug discovery and development paradigm.
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Affiliation(s)
- Shagufta
- Department of Mathematics and Natural Sciences, School of Arts and Sciences, American University of Ras Al Khaimah, Ras Al Khaimah, United Arab Emirates.
| | - Irshad Ahmad
- Department of Mathematics and Natural Sciences, School of Arts and Sciences, American University of Ras Al Khaimah, Ras Al Khaimah, United Arab Emirates
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Chen X, Han W, Wang G, Zhao X. Application prospect of polysaccharides in the development of anti-novel coronavirus drugs and vaccines. Int J Biol Macromol 2020; 164:331-343. [PMID: 32679328 PMCID: PMC7358770 DOI: 10.1016/j.ijbiomac.2020.07.106] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 07/10/2020] [Indexed: 12/13/2022]
Abstract
Since the outbreak of the novel coronavirus disease COVID-19, caused by the SARS-CoV-2 virus, it has spread rapidly worldwide and poses a great threat to public health. This is the third serious coronavirus outbreak in <20 years, following SARS in 2002-2003 and MERS in 2012. So far, there are almost no specific clinically effective drugs and vaccines available for COVID-19. Polysaccharides with good safety, immune regulation and antiviral activity have broad application prospects in anti-virus, especially in anti-coronavirus applications. Here, we reviewed the antiviral mechanisms of some polysaccharides, such as glycosaminoglycans, marine polysaccharides, traditional Chinese medicine polysaccharides, and their application progress in anti-coronavirus. In particular, the application prospects of polysaccharide-based vaccine adjuvants, nanomaterials and drug delivery systems in the fight against novel coronavirus were also analyzed and summarized. Additionally, we speculate the possible mechanisms of polysaccharides anti-SARS-CoV-2, and propose the strategy of loading S or N protein from coronavirus onto polysaccharide capped gold nanoparticles vaccine for COVID-19 treatment. This review may provide a new approach for the development of COVID-19 therapeutic agents and vaccines.
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Affiliation(s)
- Xiangyan Chen
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, Qingdao 266003, China,Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Wenwei Han
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, Qingdao 266003, China,Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
| | - Guixiang Wang
- College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
| | - Xia Zhao
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Shandong Provincial Key Laboratory of Glycoscience and Glycoengineering, Qingdao 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China.
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An Overview of Current Knowledge on the Properties, Synthesis and Applications of Quaternary Chitosan Derivatives. Polymers (Basel) 2020; 12:polym12122878. [PMID: 33266285 PMCID: PMC7759937 DOI: 10.3390/polym12122878] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 11/25/2020] [Accepted: 11/26/2020] [Indexed: 12/18/2022] Open
Abstract
Chitosan, a chitin-derivative polysaccharide, known for its non-toxicity, biocompatibility and biodegradability, presents limited applications due to its low solubility in neutral or basic pH medium. Quaternization stands out as an alternative to modify this natural polymer, aiming to improve its solubility over a wide pH range and, consequently, expand its range of applications. Quaternization occurs by introducing a quaternary ammonium moiety onto or outside the chitosan backbone, via chemical reactions with primary amino and hydroxyl groups, under vast experimental conditions. The oldest and most common forms of quaternized chitosan involve N,N,N-trimethyl chitosan (TMC) and N-[(2-hydroxy-3-trimethyl ammonium) propyl] chitosan (HTCC) and, more recently, quaternized chitosan by insertion of pyridinium or phosphonium salts. By modifying chitosan through the insertion of a quaternary moiety, permanent cationic charges on the polysaccharide backbone are achieved and properties such as water solubility, antimicrobial activity, mucoadhesiveness and permeability are significantly improved, enabling the application mainly in the biomedical and pharmaceutical areas. In this review, the main quaternized chitosan compounds are addressed in terms of their structure, properties, synthesis routes and applications. In addition, other less explored compounds are also presented, involving the main findings and future prospects regarding the field of quaternized chitosans.
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Milewska A, Falkowski K, Kulczycka M, Bielecka E, Naskalska A, Mak P, Lesner A, Ochman M, Urlik M, Diamandis E, Prassas I, Potempa J, Kantyka T, Pyrc K. Kallikrein 13 serves as a priming protease during infection by the human coronavirus HKU1. Sci Signal 2020; 13:13/659/eaba9902. [PMID: 33234691 PMCID: PMC7857416 DOI: 10.1126/scisignal.aba9902] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Unlike SARS-CoV-2, the human coronavirus HKU1 normally causes relatively mild respiratory tract infections; however, it shares with SARS-CoV-2 the mechanism of using its surface spike (S) protein to enter target cells. Because the host receptor for HCoV-HKU1 is unknown, efforts to study the virus in cell culture systems have proved difficult. Milewska et al. found that knockout of the protease kallikrein 13 (KLK13) in human airway epithelial cells blocked their infection by HCoV-HKU1, that overexpression of KLK13 in nonpermissive cells enabled their infection by the virus, and that KLK13 cleaved the viral S protein. Together, these findings suggest that KLK13 is a priming enzyme for viral entry and may help to establish cell lines that can facilitate further investigation of the mechanism of viral pathogenesis. Human coronavirus HKU1 (HCoV-HKU1) is associated with respiratory disease and is prevalent worldwide, but an in vitro model for viral replication is lacking. An interaction between the coronaviral spike (S) protein and its receptor is the primary determinant of tissue and host specificity; however, viral entry is a complex process requiring the concerted action of multiple cellular elements. Here, we found that the protease kallikrein 13 (KLK13) was required for the infection of human respiratory epithelial cells and was sufficient to mediate the entry of HCoV-HKU1 into nonpermissive RD cells. We also demonstrated the cleavage of the HCoV-HKU1 S protein by KLK13 in the S1/S2 region, suggesting that KLK13 is the priming enzyme for this virus. Together, these data suggest that protease distribution and specificity determine the tissue and cell specificity of the virus and may also regulate interspecies transmission.
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Affiliation(s)
- Aleksandra Milewska
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland.,Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Katherine Falkowski
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Magdalena Kulczycka
- Laboratory of Proteolysis and Post-translational Modification of Proteins, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Ewa Bielecka
- Laboratory of Proteolysis and Post-translational Modification of Proteins, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Antonina Naskalska
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland
| | - Pawel Mak
- Department of Analytical Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7 St., 30-387 Krakow, Poland
| | - Adam Lesner
- Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland
| | - Marek Ochman
- Department of Cardiac, Vascular and Endovascular Surgery and Transplantology, Medical University of Silesia in Katowice, Silesian Centre for Heart Diseases, Zabrze, Poland
| | - Maciej Urlik
- Department of Cardiac, Vascular and Endovascular Surgery and Transplantology, Medical University of Silesia in Katowice, Silesian Centre for Heart Diseases, Zabrze, Poland
| | - Elftherios Diamandis
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Canada.,Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, Canada.,Department of Clinical Biochemistry, University Health Network, Toronto, Canada.,Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Canada
| | - Ioannis Prassas
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, Canada.,Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Canada
| | - Jan Potempa
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland.,Centre for Oral Health and Systemic Diseases, University of Louisville School of Dentistry, Louisville, KY 40202, USA
| | - Tomasz Kantyka
- Laboratory of Proteolysis and Post-translational Modification of Proteins, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland.,Broegelmann Research Laboratory, Department of Clinical Science, University of Bergen, 5020 Bergen, Norway
| | - Krzysztof Pyrc
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland.
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Xiu S, Dick A, Ju H, Mirzaie S, Abdi F, Cocklin S, Zhan P, Liu X. Inhibitors of SARS-CoV-2 Entry: Current and Future Opportunities. J Med Chem 2020; 63:12256-12274. [PMID: 32539378 PMCID: PMC7315836 DOI: 10.1021/acs.jmedchem.0c00502] [Citation(s) in RCA: 153] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Indexed: 02/07/2023]
Abstract
Recently, a novel coronavirus initially designated 2019-nCoV but now termed SARS-CoV-2 has emerged and raised global concerns due to its virulence. SARS-CoV-2 is the etiological agent of "coronavirus disease 2019", abbreviated to COVID-19, which despite only being identified at the very end of 2019, has now been classified as a pandemic by the World Health Organization (WHO). At this time, no specific prophylactic or postexposure therapy for COVID-19 are currently available. Viral entry is the first step in the SARS-CoV-2 lifecycle and is mediated by the trimeric spike protein. Being the first stage in infection, entry of SARS-CoV-2 into host cells is an extremely attractive therapeutic intervention point. Within this review, we highlight therapeutic intervention strategies for anti-SARS-CoV, MERS-CoV, and other coronaviruses and speculate upon future directions for SARS-CoV-2 entry inhibitor designs.
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Affiliation(s)
- Siyu Xiu
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Alexej Dick
- Department of Biochemistry & Molecular Biology, Drexel University College of Medicine, Rooms 10307, 10309, and 10315, 245 North 15th Street, Philadelphia, Pennsylvania 19102, United States
| | - Han Ju
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Sako Mirzaie
- Department of Biochemistry, Sanandaj Branch, Islamic Azad University, Sanandaj 6616935391, Iran
| | - Fatemeh Abdi
- Department of Cellular and Molecular Biology, Islamic Azad University, Tehran North Branch, Tehran 1651153311, Iran
| | - Simon Cocklin
- Department of Biochemistry & Molecular Biology, Drexel University College of Medicine, Rooms 10307, 10309, and 10315, 245 North 15th Street, Philadelphia, Pennsylvania 19102, United States
| | - Peng Zhan
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Xinyong Liu
- Department of Medicinal Chemistry, School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
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38
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Ruiz‐Hitzky E, Darder M, Wicklein B, Ruiz‐Garcia C, Martín‐Sampedro R, del Real G, Aranda P. Nanotechnology Responses to COVID-19. Adv Healthc Mater 2020; 9:e2000979. [PMID: 32885616 DOI: 10.1002/adhm.202000979] [Citation(s) in RCA: 91] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/24/2020] [Indexed: 12/12/2022]
Abstract
Researchers, engineers, and medical doctors are made aware of the severity of the COVID-19 infection and act quickly against the coronavirus SARS-CoV-2 using a large variety of tools. In this review, a panoply of nanoscience and nanotechnology approaches show how these disciplines can help the medical, technical, and scientific communities to fight the pandemic, highlighting the development of nanomaterials for detection, sanitation, therapies, and vaccines. SARS-CoV-2, which can be regarded as a functional core-shell nanoparticle (NP), can interact with diverse materials in its vicinity and remains attached for variable times while preserving its bioactivity. These studies are critical for the appropriate use of controlled disinfection systems. Other nanotechnological approaches are also decisive for the development of improved novel testing and diagnosis kits of coronavirus that are urgently required. Therapeutics are based on nanotechnology strategies as well and focus on antiviral drug design and on new nanoarchitectured vaccines. A brief overview on patented work is presented that emphasizes nanotechnology applied to coronaviruses. Finally, some comments are made on patents of the initial technological responses to COVID-19 that have already been put in practice.
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Affiliation(s)
- Eduardo Ruiz‐Hitzky
- Materials Science Institute of Madrid ICMM‐CSIC c/ Sor Juana Inés de la Cruz 3 Madrid 28049 Spain
| | - Margarita Darder
- Materials Science Institute of Madrid ICMM‐CSIC c/ Sor Juana Inés de la Cruz 3 Madrid 28049 Spain
| | - Bernd Wicklein
- Materials Science Institute of Madrid ICMM‐CSIC c/ Sor Juana Inés de la Cruz 3 Madrid 28049 Spain
| | | | - Raquel Martín‐Sampedro
- Materials Science Institute of Madrid ICMM‐CSIC c/ Sor Juana Inés de la Cruz 3 Madrid 28049 Spain
- National Institute of Agricultural and Food Research INIA Ctra. de la Coruña Km 7.5 Madrid 28040 Spain
| | - Gustavo del Real
- National Institute of Agricultural and Food Research INIA Ctra. de la Coruña Km 7.5 Madrid 28040 Spain
| | - Pilar Aranda
- Materials Science Institute of Madrid ICMM‐CSIC c/ Sor Juana Inés de la Cruz 3 Madrid 28049 Spain
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Botwina P, Obłoza M, Szczepański A, Szczubiałka K, Nowakowska M, Pyrć K. In Vitro Inhibition of Zika Virus Replication with Poly(Sodium 4-Styrenesulfonate). Viruses 2020; 12:E926. [PMID: 32842540 PMCID: PMC7551931 DOI: 10.3390/v12090926] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/19/2020] [Accepted: 08/20/2020] [Indexed: 12/28/2022] Open
Abstract
Zika virus (ZIKV) is an emerging mosquito-borne pathogen associated with microcephaly and other congenital abnormalities in newborns as well as neurologic complications in adults. The explosive transmission of the virus in the last ten years put it in the limelight and improved our understanding of its biology and pathology. Currently, no vaccine or drugs are available to prevent or treat ZIKV infections. Knowing the potential of flaviviruses to broaden their geographic distribution, as observed for the West Nile virus, it is of importance to develop novel antiviral strategies. In this work, we identified poly(sodium 4-styrenesulfonate) (PSSNa) as a new polymeric ZIKV inhibitor. We demonstrated that PSSNa inhibits ZIKV replication in vitro both in animal and human cells, while no cytotoxicity is observed. Our mechanistic studies indicated that PSSNa acts mostly through direct binding to ZIKV particle and blocking its attachment to the host cells.
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Affiliation(s)
- Paweł Botwina
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland; (P.B.); (A.S.)
- Department of Microbiology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Magdalena Obłoza
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland; (M.O.); (K.S.); (M.N.)
| | - Artur Szczepański
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland; (P.B.); (A.S.)
- Department of Microbiology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Krzysztof Szczubiałka
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland; (M.O.); (K.S.); (M.N.)
| | - Maria Nowakowska
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland; (M.O.); (K.S.); (M.N.)
| | - Krzysztof Pyrć
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland; (P.B.); (A.S.)
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Lin Q, Lim JYC, Xue K, Yew PYM, Owh C, Chee PL, Loh XJ. Sanitizing agents for virus inactivation and disinfection. VIEW 2020; 1:e16. [PMID: 34766164 PMCID: PMC7267133 DOI: 10.1002/viw2.16] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/02/2020] [Accepted: 04/05/2020] [Indexed: 01/19/2023] Open
Abstract
Viral epidemics develop from the emergence of new variants of infectious viruses. The lack of effective antiviral treatments for the new viral infections coupled with rapid community spread of the infection often result in major human and financial loss. Viral transmissions can occur via close human-to-human contact or via contacting a contaminated surface. Thus, careful disinfection or sanitization is essential to curtail viral spread. A myriad of disinfectants/sanitizing agents/biocidal agents are available that can inactivate viruses, but their effectiveness is dependent upon many factors such as concentration of agent, reaction time, temperature, and organic load. In this work, we review common commercially available disinfectants agents available on the market and evaluate their effectiveness under various application conditions. In addition, this work also seeks to debunk common myths about viral inactivation and highlight new exciting advances in the development of potential sanitizing agents.
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Affiliation(s)
- Qianyu Lin
- NUS Graduate School for Integrative Sciences and EngineeringNational University of SingaporeSingapore
| | - Jason Y. C. Lim
- Soft Materials DepartmentInstitution of Materials Research and EngineeringAgency for ScienceTechnology and Research (A*STAR)InnovisSingapore
| | - Kun Xue
- Soft Materials DepartmentInstitution of Materials Research and EngineeringAgency for ScienceTechnology and Research (A*STAR)InnovisSingapore
| | - Pek Yin Michelle Yew
- Soft Materials DepartmentInstitution of Materials Research and EngineeringAgency for ScienceTechnology and Research (A*STAR)InnovisSingapore
| | - Cally Owh
- Soft Materials DepartmentInstitution of Materials Research and EngineeringAgency for ScienceTechnology and Research (A*STAR)InnovisSingapore
| | - Pei Lin Chee
- Soft Materials DepartmentInstitution of Materials Research and EngineeringAgency for ScienceTechnology and Research (A*STAR)InnovisSingapore
| | - Xian Jun Loh
- Soft Materials DepartmentInstitution of Materials Research and EngineeringAgency for ScienceTechnology and Research (A*STAR)InnovisSingapore
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Kalathiya U, Padariya M, Mayordomo M, Lisowska M, Nicholson J, Singh A, Baginski M, Fahraeus R, Carragher N, Ball K, Haas J, Daniels A, Hupp TR, Alfaro JA. Highly Conserved Homotrimer Cavity Formed by the SARS-CoV-2 Spike Glycoprotein: A Novel Binding Site. J Clin Med 2020; 9:E1473. [PMID: 32422996 PMCID: PMC7290299 DOI: 10.3390/jcm9051473] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/08/2020] [Accepted: 05/12/2020] [Indexed: 12/11/2022] Open
Abstract
An important stage in severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) life cycle is the binding of the spike (S) protein to the angiotensin converting enzyme-2 (ACE2) host cell receptor. Therefore, to explore conserved features in spike protein dynamics and to identify potentially novel regions for drugging, we measured spike protein variability derived from 791 viral genomes and studied its properties by molecular dynamics (MD) simulation. The findings indicated that S2 subunit (heptad-repeat 1 (HR1), central helix (CH), and connector domain (CD) domains) showed low variability, low fluctuations in MD, and displayed a trimer cavity. By contrast, the receptor binding domain (RBD) domain, which is typically targeted in drug discovery programs, exhibits more sequence variability and flexibility. Interpretations from MD simulations suggest that the monomer form of spike protein is in constant motion showing transitions between an "up" and "down" state. In addition, the trimer cavity may function as a "bouncing spring" that may facilitate the homotrimer spike protein interactions with the ACE2 receptor. The feasibility of the trimer cavity as a potential drug target was examined by structure based virtual screening. Several hits were identified that have already been validated or suggested to inhibit the SARS-CoV-2 virus in published cell models. In particular, the data suggest an action mechanism for molecules including Chitosan and macrolides such as the mTOR (mammalian target of Rapamycin) pathway inhibitor Rapamycin. These findings identify a novel small molecule binding-site formed by the spike protein oligomer, that might assist in future drug discovery programs aimed at targeting the coronavirus (CoV) family of viruses.
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Affiliation(s)
- Umesh Kalathiya
- International Centre for Cancer Vaccine Science, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (M.P.); (M.M.); (M.L.); (A.S.); (R.F.)
| | - Monikaben Padariya
- International Centre for Cancer Vaccine Science, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (M.P.); (M.M.); (M.L.); (A.S.); (R.F.)
| | - Marcos Mayordomo
- International Centre for Cancer Vaccine Science, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (M.P.); (M.M.); (M.L.); (A.S.); (R.F.)
| | - Małgorzata Lisowska
- International Centre for Cancer Vaccine Science, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (M.P.); (M.M.); (M.L.); (A.S.); (R.F.)
| | - Judith Nicholson
- Sharp Life Science (EU) Limited, Oxford Science Park, Edmund Halley Rd, Oxford OX4 4GB, UK;
| | - Ashita Singh
- International Centre for Cancer Vaccine Science, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (M.P.); (M.M.); (M.L.); (A.S.); (R.F.)
| | - Maciej Baginski
- Department of Pharmaceutical Technology and Biochemistry, Faculty of Chemistry, Gdansk University of Technology, Narutowicza St 11/12, 80-233 Gdansk, Poland;
| | - Robin Fahraeus
- International Centre for Cancer Vaccine Science, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (M.P.); (M.M.); (M.L.); (A.S.); (R.F.)
| | - Neil Carragher
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, Scotland EH4 2XR, UK; (N.C.); (K.B.)
| | - Kathryn Ball
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, Scotland EH4 2XR, UK; (N.C.); (K.B.)
| | - Juergen Haas
- Department of Infectious Disease, Edinburgh, Scotland EH4 2XR, UK; (J.H.); (A.D.)
| | - Alison Daniels
- Department of Infectious Disease, Edinburgh, Scotland EH4 2XR, UK; (J.H.); (A.D.)
| | - Ted R. Hupp
- International Centre for Cancer Vaccine Science, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (M.P.); (M.M.); (M.L.); (A.S.); (R.F.)
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, Scotland EH4 2XR, UK; (N.C.); (K.B.)
| | - Javier Antonio Alfaro
- International Centre for Cancer Vaccine Science, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland; (M.P.); (M.M.); (M.L.); (A.S.); (R.F.)
- Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, Scotland EH4 2XR, UK; (N.C.); (K.B.)
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Lachowicz D, Mielczarek P, Wirecka R, Berent K, Karewicz A, Szuwarzyński M, Zapotoczny S. Nanohydrogels Based on Self-Assembly of Cationic Pullulan and Anionic Dextran Derivatives for Efficient Delivery of Piroxicam. Pharmaceutics 2019; 11:E622. [PMID: 31766517 PMCID: PMC6956171 DOI: 10.3390/pharmaceutics11120622] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 11/11/2019] [Accepted: 11/15/2019] [Indexed: 12/14/2022] Open
Abstract
A cationic derivative of pullulan was obtained by grafting reaction and used together with dextran sulfate to form polysaccharide-based nanohydrogel cross-linked via electrostatic interactions between polyions. Due to the polycation-polyanion interactions nanohydrogel particles were formed instantly and spontaneously in water. The nanoparticles were colloidally stable and their size and surface charge could be controlled by the polycation/polyanion ratio. The morphology of the obtained particles was visualized by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and atomic force microscopy (AFM). The resulting structures were spherical, with hydrodynamic diameters in the range of 100-150 nm. The binding constant (Ka) of a model drug, piroxicam, to the cationic pullulan (C-PUL) was determined by spectrophotometric measurements. The value of Ka was calculated according to the Benesi-Hildebrand equation to be (3.6 ± 0.2) × 103 M-1. After binding to cationic pullulan, piroxicam was effectively entrapped inside the nanohydrogel particles and released in a controlled way. The obtained system was efficiently taken up by cells and was shown to be biocompatible.
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Affiliation(s)
- Dorota Lachowicz
- Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland; (R.W.); (K.B.); (M.S.)
| | - Przemyslaw Mielczarek
- Department of Biochemistry and Neurobiology, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland;
- Maj Institute of Pharmacology, Polish Academy of Sciences, Smetna 12, 31-343 Krakow, Poland
| | - Roma Wirecka
- Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland; (R.W.); (K.B.); (M.S.)
- Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland
| | - Katarzyna Berent
- Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland; (R.W.); (K.B.); (M.S.)
| | - Anna Karewicz
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland; (A.K.); (S.Z.)
| | - Michał Szuwarzyński
- Academic Centre for Materials and Nanotechnology, AGH University of Science and Technology, al. A. Mickiewicza 30, 30-059 Krakow, Poland; (R.W.); (K.B.); (M.S.)
| | - Szczepan Zapotoczny
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland; (A.K.); (S.Z.)
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Synthetic sulfonated derivatives of poly(allylamine hydrochloride) as inhibitors of human metapneumovirus. PLoS One 2019; 14:e0214646. [PMID: 30921418 PMCID: PMC6438514 DOI: 10.1371/journal.pone.0214646] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 03/18/2019] [Indexed: 11/29/2022] Open
Abstract
Human metapneumovirus (hMPV) is a widely distributed pathogen responsible for acute upper and lower respiratory infections of varying severity. Previously, we reported that N-sulfonated derivatives of poly(allylamine hydrochloride) (NSPAHs) efficiently inhibit replication of the influenza virus in vitro and ex vivo. Here, we show a dose dependent inhibition of hMPV infection by NSPAHs in LLC-MK2 cells. The results showed strong antiviral properties of NSPAHs. While the activity of NSPAHs is comparable to those of carrageenans, they show better physicochemical properties and may be delivered at high concentrations. The functional assays showed that tested polymers block hMPV release from infected cells and, consequently, constrain virus spread. Moreover, further studies on viruses utilizing different egress mechanisms suggest that observed antiviral effect depend on selective inhibition of viruses budding from the cell surface.
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Naskalska A, Dabrowska A, Nowak P, Szczepanski A, Jasik K, Milewska A, Ochman M, Zeglen S, Rajfur Z, Pyrc K. Novel coronavirus-like particles targeting cells lining the respiratory tract. PLoS One 2018; 13:e0203489. [PMID: 30183777 PMCID: PMC6124810 DOI: 10.1371/journal.pone.0203489] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 08/21/2018] [Indexed: 12/13/2022] Open
Abstract
Virus like particles (VLPs) produced by the expression of viral structural proteins can serve as versatile nanovectors or potential vaccine candidates. In this study we describe for the first time the generation of HCoV-NL63 VLPs using baculovirus system. Major structural proteins of HCoV-NL63 have been expressed in tagged or native form, and their assembly to form VLPs was evaluated. Additionally, a novel procedure for chromatography purification of HCoV-NL63 VLPs was developed. Interestingly, we show that these nanoparticles may deliver cargo and selectively transduce cells expressing the ACE2 protein such as ciliated cells of the respiratory tract. Production of a specific delivery vector is a major challenge for research concerning targeting molecules. The obtained results show that HCoV-NL63 VLPs may be efficiently produced, purified, modified and serve as a delivery platform. This study constitutes an important basis for further development of a promising viral vector displaying narrow tissue tropism.
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Affiliation(s)
- Antonina Naskalska
- Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
- * E-mail: (AN); (KP)
| | - Agnieszka Dabrowska
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Paulina Nowak
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Artur Szczepanski
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Krzysztof Jasik
- Department of Skin Structural Studies, Medical University of Silesia in Katowice, School of Pharmacy with the Division of Laboratory Medicine, Sosnowiec, Poland
| | - Aleksandra Milewska
- Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Marek Ochman
- Department of Cardiac Surgery and Transplantology, Silesian Center for Heart Diseases, Zabrze, Poland
| | - Slawomir Zeglen
- Department of Cardiac Surgery and Transplantology, Silesian Center for Heart Diseases, Zabrze, Poland
| | - Zenon Rajfur
- Institute of Physics, Faculty of Physics, Astronomy and Applied Computer Sciences, Jagiellonian University, Krakow, Poland
| | - Krzysztof Pyrc
- Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
- * E-mail: (AN); (KP)
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Milewska A, Kindler E, Vkovski P, Zeglen S, Ochman M, Thiel V, Rajfur Z, Pyrc K. APOBEC3-mediated restriction of RNA virus replication. Sci Rep 2018; 8:5960. [PMID: 29654310 PMCID: PMC5899082 DOI: 10.1038/s41598-018-24448-2] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 04/04/2018] [Indexed: 01/13/2023] Open
Abstract
APOBEC3 family members are cytidine deaminases with roles in intrinsic responses to infection by retroviruses and retrotransposons, and in the control of other DNA viruses, such as herpesviruses, parvoviruses and hepatitis B virus. Although effects of APOBEC3 members on viral DNA have been demonstrated, it is not known whether they edit RNA genomes through cytidine deamination. Here, we investigated APOBEC3-mediated restriction of Coronaviridae. In experiments in vitro, three human APOBEC3 proteins (A3C, A3F and A3H) inhibited HCoV-NL63 infection and limited production of progeny virus, but did not cause hypermutation of the coronaviral genome. APOBEC3-mediated restriction was partially dependent on enzyme activity, and was reduced by the use of enzymatically inactive APOBEC3. Moreover, APOBEC3 proteins bound to the coronaviral nucleoprotein, and this interaction also affected viral replication. Although the precise molecular mechanism of deaminase-dependent inhibition of coronavirus replication remains elusive, our results further our understanding of APOBEC-mediated restriction of RNA virus infections.
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Affiliation(s)
- Aleksandra Milewska
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387, Krakow, Poland.
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387, Krakow, Poland.
| | - Eveline Kindler
- Institute for Virology and Immunology, Bern and Mittelhäusern, Bern, Switzerland
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Länggassstrasse 122, Bern, Switzerland
| | - Philip Vkovski
- Institute for Virology and Immunology, Bern and Mittelhäusern, Bern, Switzerland
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Länggassstrasse 122, Bern, Switzerland
- Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | - Slawomir Zeglen
- Department of Cardiac Surgery and Transplantology, Silesian Center for Heart Diseases, Marii Curie-Skłodowskiej 9, 41-800, Zabrze, Poland
- Head of Histology Department, Medical Department, University of Opole, Opole, Poland
| | - Marek Ochman
- Department of Pharmacology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia in Katowice, Katowice, Poland
| | - Volker Thiel
- Institute for Virology and Immunology, Bern and Mittelhäusern, Bern, Switzerland
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Länggassstrasse 122, Bern, Switzerland
| | - Zenon Rajfur
- Institute of Physics, Faculty of Physics, Astronomy and Applied Computer Sciences, Jagiellonian University, Lojasiewicza 11, 30-348, Krakow, Poland
| | - Krzysztof Pyrc
- Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387, Krakow, Poland.
- Virogenetics Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387, Krakow, Poland.
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Entry of Human Coronavirus NL63 into the Cell. J Virol 2018; 92:JVI.01933-17. [PMID: 29142129 DOI: 10.1128/jvi.01933-17] [Citation(s) in RCA: 122] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 11/07/2017] [Indexed: 11/20/2022] Open
Abstract
The first steps of human coronavirus NL63 (HCoV-NL63) infection were previously described. The virus binds to target cells by use of heparan sulfate proteoglycans and interacts with the ACE2 protein. Subsequent events, including virus internalization and trafficking, remain to be elucidated. In this study, we mapped the process of HCoV-NL63 entry into the LLC-Mk2 cell line and ex vivo three-dimensional (3D) tracheobronchial tissue. Using a variety of techniques, we have shown that HCoV-NL63 virions require endocytosis for successful entry into the LLC-MK2 cells, and interaction between the virus and the ACE2 molecule triggers recruitment of clathrin. Subsequent vesicle scission by dynamin results in virus internalization, and the newly formed vesicle passes the actin cortex, which requires active cytoskeleton rearrangement. Finally, acidification of the endosomal microenvironment is required for successful fusion and release of the viral genome into the cytoplasm. For 3D tracheobronchial tissue cultures, we also observed that the virus enters the cell by clathrin-mediated endocytosis, but we obtained results suggesting that this pathway may be bypassed.IMPORTANCE Available data on coronavirus entry frequently originate from studies employing immortalized cell lines or undifferentiated cells. Here, using the most advanced 3D tissue culture system mimicking the epithelium of conductive airways, we systematically mapped HCoV-NL63 entry into susceptible cells. The data obtained allow for a better understanding of the infection process and may support development of novel treatment strategies.
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Ciejka J, Wolski K, Nowakowska M, Pyrc K, Szczubiałka K. Biopolymeric nano/microspheres for selective and reversible adsorption of coronaviruses. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 76:735-742. [PMID: 28482585 PMCID: PMC7126271 DOI: 10.1016/j.msec.2017.03.047] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Revised: 02/09/2017] [Accepted: 03/04/2017] [Indexed: 11/18/2022]
Abstract
A novel biopolymeric material in the form of nano/microspheres was developed which was capable of adsorbing coronaviruses. The biopolymer was obtained by crosslinking of chitosan (CHIT) with genipin, a nontoxic compound of plant origin, in inverted emulsion and reacting the chitosan nano/microspheres obtained (CHIT-NS/MS) with glycidyltrimethyl-ammonium chloride (GTMAC). As a result the nano/microspheres of N-(2-hydroxypropyl)-3-trimethyl chitosan (HTCC-NS/MS) were obtained. HTCC-NS/MS were studied as the adsorbents of human coronavirus NL63 (HCoV-NL63), mouse hepatitis virus (MHV), and human coronavirus HCoV-OC43 particles in aqueous virus suspensions. By studying cytopathic effect (CPE) caused by these viruses and performing PCR analyses it was found HTCC-NS/MS strongly adsorb the particles of HCoV-NL63 virus, moderately adsorb mouse hepatitis virus (MHV) particles, but do not adsorb HCoV-OC43 coronavirus. The adsorption capacity of HTCC-NS/MS well correlated with the antiviral activity of soluble HTCC against a given virus. Importantly, it was shown that HCoV-NL63 particles could be desorbed from the HTCC-NS/MS surface with a salt solution of high ionic strength with retention of virus virulence. The obtained material may be applied for the removal of coronaviruses, purification and concentration of virus samples obtained from biological matrices and for purification of water from pathogenic coronaviruses.
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Affiliation(s)
- Justyna Ciejka
- Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland; Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Karol Wolski
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Maria Nowakowska
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Krakow, Poland
| | - Krzysztof Pyrc
- Laboratory of Virology, Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7a, 30-387 Krakow, Poland; Microbiology Department, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland.
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Abstract
To date, six human coronaviruses have been known, all of which are associated with respiratory infections in humans. With the exception of the highly pathogenic SARS and MERS coronaviruses, human coronaviruses (HCoV-NL63, HCoV-OC43, HCoV-229E, and HCoV-HKU1) circulate worldwide and typically cause the common cold. In most cases, infection with these viruses does not lead to severe disease, although acute infections in infants, the elderly, and immunocompromised patients may progress to severe disease requiring hospitalization. Importantly, no drugs against human coronaviruses exist, and only supportive therapy is available. Previously, we proposed the cationically modified chitosan, N-(2-hydroxypropyl)-3-trimethylammonium chitosan chloride (HTCC), and its hydrophobically-modified derivative (HM-HTCC) as potent inhibitors of the coronavirus HCoV-NL63. Here, we show that HTCC inhibits interaction of a virus with its receptor and thus blocks the entry. Further, we demonstrate that HTCC polymers with different degrees of substitution act as effective inhibitors of all low-pathogenic human coronaviruses.
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Jonsdottir HR, Dijkman R. Coronaviruses and the human airway: a universal system for virus-host interaction studies. Virol J 2016; 13:24. [PMID: 26852031 PMCID: PMC4744394 DOI: 10.1186/s12985-016-0479-5] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Accepted: 01/27/2016] [Indexed: 02/08/2023] Open
Abstract
Human coronaviruses (HCoVs) are large RNA viruses that infect the human respiratory tract. The emergence of both Severe Acute Respiratory Syndrome and Middle East Respiratory syndrome CoVs as well as the yearly circulation of four common CoVs highlights the importance of elucidating the different mechanisms employed by these viruses to evade the host immune response, determine their tropism and identify antiviral compounds. Various animal models have been established to investigate HCoV infection, including mice and non-human primates. To establish a link between the research conducted in animal models and humans, an organotypic human airway culture system, that recapitulates the human airway epithelium, has been developed. Currently, different cell culture systems are available to recapitulate the human airways, including the Air-Liquid Interface (ALI) human airway epithelium (HAE) model. Tracheobronchial HAE cultures recapitulate the primary entry point of human respiratory viruses while the alveolar model allows for elucidation of mechanisms involved in viral infection and pathogenesis in the alveoli. These organotypic human airway cultures represent a universal platform to study respiratory virus-host interaction by offering more detailed insights compared to cell lines. Additionally, the epidemic potential of this virus family highlights the need for both vaccines and antivirals. No commercial vaccine is available but various effective antivirals have been identified, some with potential for human treatment. These morphological airway cultures are also well suited for the identification of antivirals, evaluation of compound toxicity and viral inhibition.
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Affiliation(s)
- Hulda R Jonsdottir
- Federal Department of Home Affairs, Institute of Virology and Immunology, Länggassstrasse 122, 3012, Bern, Switzerland.
- Department of Infectious diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.
| | - Ronald Dijkman
- Federal Department of Home Affairs, Institute of Virology and Immunology, Länggassstrasse 122, 3012, Bern, Switzerland.
- Department of Infectious diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.
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Kuchar E, Miśkiewicz K, Nitsch-Osuch A, Szenborn L. Pathophysiology of Clinical Symptoms in Acute Viral Respiratory Tract Infections. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2015; 857:25-38. [PMID: 25786400 PMCID: PMC7121097 DOI: 10.1007/5584_2015_110] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
In this article we discuss the pathophysiology of common symptoms of acute viral respiratory infections (e.g., sneezing, nasal discharge, sore throat, cough, muscle pains, malaise, and mood changes). Since clinical symptoms are not sufficient to determine the etiology of viral respiratory tract infections, we believe that the host defense mechanisms are critical for the symptomatology. Consequently, this review of literature is focused on the pathophysiology of respiratory symptoms regardless of their etiology. We assume that despite a high prevalence of symptoms of respiratory infection, their pathogenesis is not widely known. A better understanding of the symptoms' pathogenesis could improve the quality of care for patients with respiratory tract infections.
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Affiliation(s)
- E Kuchar
- Department of Pediatric Infectious Diseases, Wroclaw Medical University, 2A Chalubinskiego Str., 50-368, Wroclaw, Poland,
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