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Kubota AMA, Rosa MFF, Baraldi S, Vale JAM, da Silva JDAG, Carneiro MLB, Padula RS, Haddad R, Joanitti GA, da Silva Luz GV, Fook MVL, Zimmermann IR, Rosa SDSRF, Peixoto HM, Luiz Carregaro R. Efficacy and feasibility of a novel semi-facial respirator with chitosan nanoparticles on the incidence of SARS-CoV-2 infection in healthcare professionals: randomized controlled trial. BMC Infect Dis 2024; 24:1061. [PMID: 39333902 PMCID: PMC11429083 DOI: 10.1186/s12879-024-09966-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Accepted: 09/20/2024] [Indexed: 09/30/2024] Open
Abstract
BACKGROUND Evidence suggests that semi-facial respirators provide protection against contamination in high-risk environments, although the COVID-19 pandemic called for greater protection and viral inactivation capacity. Thus, the aim of this study was to investigate the efficacy of a novel semi-facial respirator containing chitosan nanoparticles, compared with a conventional N95 respirator on the incidence of laboratory-confirmed SARS-CoV-2 in healthcare professionals. The secondary outcomes were influenza infection, usability and comfort. METHODS Randomized controlled trial within a large public hospital (reference for COVID-19 patients) carried out between March 2021 and June 2023. We included 230 healthcare professionals exposed to SARS-Cov-2 and influenza, working in emergency departments, hospital wards, and intensive care units. Participants were assessed at baseline, after 10 days, and 21 days of follow-up. Researchers, participants, and outcome assessors were blinded to the allocated groups. Outcomes were analyzed by bivariate and multivariate comparisons using logistic regression. Crude (cOR) and adjusted odds ratios (aOR) were estimated, followed by 95% confidence intervals (CIs 95%). We adopted intention-to-treat (ITT) and complete-case (CC) analyses. RESULTS Baseline characteristics were considered homogeneous between groups, and usability and comfort were reported as excellent in both groups. Non-significant differences were found for all outcomes, both in the ITT and CC analyses. The incidence of COVID-19 and influenza were, respectively, cOR: 0.96 [CI95%: 0.21-4.42] and cOR: 1.25 [CI95%: 0.34-4.62]; and aOR: 1.08 [CI95%: 0.21-5.47] and aOR: 1.11 [CI95%: 0.17-7.01]. CONCLUSIONS We found that the incidence of SARS-Cov-2 and influenza infections were similar between the new respirator compared to the conventional respirator. Furthermore, we observed that usability and comfort were similar and considered excellent for both respirators. TRIAL REGISTRATION Clinicaltrials.gov (NCT04490200, 29/07/2020).
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Marcus Vinícius Lia Fook
- Universidade Federal de Campina Grande (UFCG), Northeastern Biomaterials Evaluation and Development Laboratory (CERTBIO), Campina Grande, PB, Brazil
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Sinani G, Sessevmez M, Şenel S. Applications of Chitosan in Prevention and Treatment Strategies of Infectious Diseases. Pharmaceutics 2024; 16:1201. [PMID: 39339237 PMCID: PMC11434819 DOI: 10.3390/pharmaceutics16091201] [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: 08/12/2024] [Revised: 09/07/2024] [Accepted: 09/09/2024] [Indexed: 09/30/2024] Open
Abstract
Chitosan is the most commonly investigated functional cationic biopolymer in a wide range of medical applications due to its promising properties such as biocompatibility, biodegradability, and bioadhesivity, as well as its numerous bioactive properties. Within the last three decades, chitosan and its derivatives have been investigated as biomaterials for drug and vaccine delivery systems, besides for their bioactive properties. Due to the functional groups in its structure, it is possible to tailor the delivery systems with desired properties. There has been a great interest in the application of chitosan-based systems also for the prevention and treatment of infectious diseases, specifically due to their antimicrobial, antiviral, and immunostimulatory effects. In this review, recent applications of chitosan in the prevention and treatment of infectious diseases are reviewed, and possibilities and limitations with regards to technical and regulatory aspects are discussed. Finally, the future perspectives on utilization of chitosan as a biomaterial are discussed.
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Affiliation(s)
- Genada Sinani
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Altinbas University, 34147 Istanbul, Türkiye;
| | - Melike Sessevmez
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Istanbul University, 34116 Istanbul, Türkiye;
| | - Sevda Şenel
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Hacettepe Univesity, 06100 Ankara, Türkiye
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Quiroga D, Coy-Barrera C. Use of Chitosan as a Precursor for Multiple Applications in Medicinal Chemistry: Recent Significant Contributions. Mini Rev Med Chem 2024; 24:1651-1684. [PMID: 38500287 DOI: 10.2174/0113895575275799240306105615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/02/2024] [Accepted: 02/10/2024] [Indexed: 03/20/2024]
Abstract
Chitosan (CS) is a polymer made up of mainly deacetylated β-1,4 D-glucosamine units, which is part of a large group of D-glucosamine oligomers known as chitooligosaccharides, which can be obtained from chitin, most abundant natural polymer after cellulose and central component of the shrimp exoskeleton. It is known that it can be used for the development of materials, among which its use stands out in wastewater treatment (removal of metal ions, dyes, and as a membrane in purification processes), food industry (anti-cholesterol and fat, packaging material, preservative, and food additive), agriculture (seed and fertilizer coating, controlled release agrochemicals), pulp and paper industry (surface treatment, adhesive paper), cosmetics (body creams, lotions, etc.), in the engineering of tissues, wound healing, as excipients for drug administration, gels, membranes, nanofibers, beads, microparticles, nanoparticles, scaffolds, sponges, and diverse biological ones, specifically antibacterial and antifungal activities. This article reviews the main contributions published in the last ten years regarding the use and application of CS in medical chemistry. The applications exposed here involve regenerative medicine in the design of bioprocesses and tissue engineering, Pharmaceutical sciences to obtain biomaterials, polymers, biomedicine, and the use of nanomaterials and nanotechnology, toxicology, and Clinical Pharmaceuticals, emphasizing the perspectives and the direction that can take research in this area.
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Affiliation(s)
- Diego Quiroga
- Bioorganic Chemistry Laboratory, Facultad de Ciencias Básicas y Aplicadas, Campus Nueva Granada, Universidad Militar Nueva Granada, Cajicá, 250247, Colombia
| | - Carlos Coy-Barrera
- Bioorganic Chemistry Laboratory, Facultad de Ciencias Básicas y Aplicadas, Campus Nueva Granada, Universidad Militar Nueva Granada, Cajicá, 250247, Colombia
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Jain A, Dawre S. A Comprehensive Review on Prospects of Polymeric Nanoparticles for Treatment of Diabetes Mellitus: Receptors-Ligands, In vitro & In vivo Studies. RECENT PATENTS ON NANOTECHNOLOGY 2024; 18:457-478. [PMID: 37534486 DOI: 10.2174/1872210517666230803091245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 06/08/2023] [Accepted: 06/16/2023] [Indexed: 08/04/2023]
Abstract
As per International Diabetes Federation Report 2022, worldwide diabetes mellitus (DM) caused 6.7M moralities and ~537M adults suffering from diabetes mellitus. It is a chronic condition due to β-cell destruction or insulin resistance that leads to insulin deficiency. This review discusses Type-1 DM and Type-2 DM pathophysiology in detail, with challenges in management and treatment. The toxicity issues of conventional drugs and insulin injections are complex to manage. Thus, there is a need for technological intervention. In recent years, nanotechnology has found a fruitful advancement of novel drug delivery systems that might potentially increase the efficacy of anti-diabetic drugs. Amongst nano-formulations, polymeric nanoparticles have been studied to enhance the bioavailability and efficacy of anti-diabetic drugs and insulin. In the present review, we summarized polymeric nanoparticles with different polymers utilized to deliver anti-diabetic drugs with in vitro and in vivo studies. Furthermore, this review also includes the role of receptors and ligands in diabetes mellitus and the utilization of receptor-ligand interaction to develop targeted nanoparticles. Additionally, we discussed the utility of nanoparticles for the delivery of phytoconstituents which aids in protecting the oxidative stress generated during diabetes mellitus. Atlast, this article also comprises of numerous patents that have been filed or granted for the delivery of antidiabetic and anticancer molecules for the treatment of diabetes mellitus and pancreatic cancer.
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Affiliation(s)
- Arinjay Jain
- Department of Pharmaceutics, School of Pharmacy & Technology Management, SVKMS, NMIMS, Babulde Banks of Tapi River, Mumbai-Agra Road, Shirpur, Maharashtra, 425405, India
| | - Shilpa Dawre
- Department of Pharmaceutics, School of Pharmacy & Technology Management, SVKMS, NMIMS, Babulde Banks of Tapi River, Mumbai-Agra Road, Shirpur, Maharashtra, 425405, India
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Landim MG, Carneiro MLB, Joanitti GA, Anflor CTM, Marinho DD, Rodrigues JFB, de Sousa WJB, Fernandes DDO, Souza BF, Ombredane AS, do Nascimento JCF, Felice GDJ, Kubota AMA, Barbosa JSC, Ohno JH, Amoah SKS, Pena LJ, Luz GVDS, de Andrade LR, Pinheiro WO, Ribeiro BM, Formiga FR, Fook MVL, Rosa MFF, Peixoto HM, Luiz Carregaro R, Rosa SDSRF. A novel N95 respirator with chitosan nanoparticles: mechanical, antiviral, microbiological and cytotoxicity evaluations. DISCOVER NANO 2023; 18:118. [PMID: 37733165 PMCID: PMC10514013 DOI: 10.1186/s11671-023-03892-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 08/29/2023] [Indexed: 09/22/2023]
Abstract
BACKGROUND It is known that some sectors of hospitals have high bacteria and virus loads that can remain as aerosols in the air and represent a significant health threat for patients and mainly professionals that work in the place daily. Therefore, the need for a respirator able to improve the filtration barrier of N95 masks and even inactivating airborne virus and bacteria becomes apparent. Such a fact motivated the creation of a new N95 respirator which employs chitosan nanoparticles on its intermediate layer (SN95 + CNP). RESULTS The average chitosan nanoparticle size obtained was 165.20 ± 35.00 nm, with a polydispersity index of 0.36 ± 0.03 and a zeta potential of 47.50 ± 1.70 mV. Mechanical tests demonstrate that the SN95 + CNP respirator is more resistant and meets the safety requisites of aerosol penetration, resistance to breath and flammability, presenting higher potential to filtrate microbial and viral particles when compared to conventional SN95 respirators. Furthermore, biological in vitro tests on bacteria, fungi and mammalian cell lines (HaCat, Vero E6 and CCL-81) corroborate the hypothesis that our SN95 + CNP respirator presents strong antimicrobial activity and is safe for human use. There was a reduction of 96.83% of the alphacoronavirus virus and 99% of H1N1 virus and MHV-3 betacoronavirus after 120 min of contact compared to the conventional respirator (SN95), demonstrating that SN95 + CNP have a relevant potential as personal protection equipment. CONCLUSIONS Due to chitosan nanotechnology, our novel N95 respirator presents improved mechanical, antimicrobial and antiviral characteristics.
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Affiliation(s)
| | | | | | | | | | - José Filipe Bacalhau Rodrigues
- Northeast Laboratory for Evaluation and Development of Biomaterials (CERTBIO), University of Campina Grande, Campina Grande, Paraiba, Brazil
| | | | | | | | | | | | | | | | | | - John Hideki Ohno
- MCI Ultrasonica LTDA, Av. Campinas, 367 - Arraial Paulista, Taboão da Serra, São Paulo, Brazil
| | - Solomon Kweku Sagoe Amoah
- Northeast Laboratory for Evaluation and Development of Biomaterials (CERTBIO), University of Campina Grande, Campina Grande, Paraiba, Brazil
| | | | | | | | | | | | | | - Marcus Vinícius Lia Fook
- Northeast Laboratory for Evaluation and Development of Biomaterials (CERTBIO), University of Campina Grande, Campina Grande, Paraiba, Brazil
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Ibrahim AG, Elgammal WE, Hashem AH, Mohamed AE, Awad MA, Hassan SM. Development of a chitosan derivative bearing the thiadiazole moiety and evaluation of its antifungal and larvicidal efficacy. Polym Bull (Berl) 2023. [DOI: 10.1007/s00289-023-04765-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Abstract
AbstractA new chitosan derivative bearing a new thiadiazole compound was developed, and its antifungal and larvicidal activities were investigated. The chitosan derivative (coded here as PTDz-Cs) was synthesized by the reaction between the carboxylic derivative of the thiadiazole moiety and chitosan. Fourier transform infrared spectroscopy (FT-IR), nuclear magnetic resonance (1H/13C-NMR), gas chromatography–mass spectrometry (GC–MS), elemental analysis, X-Ray diffraction (XRD), thermogravimetric analysis (TGA), and X-ray photoelectron spectroscopy (XPS) were used to characterize the developed derivatives. Compared to chitosan, the PTDz-Cs derivative has a less crystalline structure and less thermal stability. The antifungal results revealed that PTDz-Cs exhibited potential activity against Rhizopus microspores, Mucor racemosus, Lichtheimia corymbifera, and Syncephalastrum racemosum where inhibition zones were 17.76, 20.1, 38.2, and 18.3 mm, respectively. The larvicidal efficacy of the PTDz-Cs derivative against A. stephensi larvae was tested, and the results exposed that the LC50 and LC90 values (first instar) were 5.432 and 10.398 ppm, respectively, indicating the high susceptibility of early instar mosquito larvae to PTDz-Cs. These results emphasize that this study provided a new chitosan derivative that could be potentially used in the biomedical fields.
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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; 12:665. [PMID: 37107027 PMCID: PMC10135369 DOI: 10.3390/antibiotics12040665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [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
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8
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Yin W, Ding L. Nanocarrier-based drug delivery system in herpes simplex virus treatment. Future Virol 2023. [DOI: 10.2217/fvl-2022-0171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
Herpes simplex virus (HSV) is a highly contagious DNA virus that affects the majority of people worldwide. HSV establishes a latent infection in the ganglia, where it can reactivate, leading to recurrent disease. Currently, there are many experimental vaccines against HSV, but none have been used to treat herpes infections. At the same time, the therapeutic effect of existing anti-HSV drugs is limited. Nanocarriers, which deliver drugs to specific targets, have been used in different diseases, including viral infections. Nanocarriers could be designed to encapsulate drugs and directly target infected cells. This review will describe in detail the use of nanocarriers for targeted therapy of HSV infection.
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Affiliation(s)
- Wei Yin
- Department of Radiology, Xianning Central Hospital, The First Affiliated Hospital of Hubei University of Science & Technology, Xianning, China
| | - Liqiong Ding
- Department of Pharmaceutics, School of Pharmacy, Hubei University of Science & Technology, Xianning, China
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9
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Zamboni F, Wong CK, Collins MN. Hyaluronic acid association with bacterial, fungal and viral infections: Can hyaluronic acid be used as an antimicrobial polymer for biomedical and pharmaceutical applications? Bioact Mater 2023; 19:458-473. [PMID: 35574061 PMCID: PMC9079116 DOI: 10.1016/j.bioactmat.2022.04.023] [Citation(s) in RCA: 41] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 04/05/2022] [Accepted: 04/23/2022] [Indexed: 12/21/2022] Open
Abstract
The relationships between hyaluronic acid (HA) and pathological microorganisms incite new understandings on microbial infection, tissue penetration, disease progression and lastly, potential treatments. These understandings are important for the advancement of next generation antimicrobial therapeutical strategies for the control of healthcare-associated infections. Herein, this review will focus on the interplay between HA, bacteria, fungi, and viruses. This review will also comprehensively detail and discuss the antimicrobial activity displayed by various HA molecular weights for a variety of biomedical and pharmaceutical applications, including microbiology, pharmaceutics, and tissue engineering.
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Affiliation(s)
- Fernanda Zamboni
- Bernal Institute, School of Engineering, University of Limerick, Ireland
- Health Research Institute, University of Limerick, Ireland
| | - Chun Kwok Wong
- Department of Chemical Pathology, The Chinese University of Hong Kong, Hong Kong Special Administrative Region
| | - Maurice N. Collins
- Bernal Institute, School of Engineering, University of Limerick, Ireland
- Health Research Institute, University of Limerick, Ireland
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10
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New thiadiazole modified chitosan derivative to control the growth of human pathogenic microbes and cancer cell lines. Sci Rep 2022; 12:21423. [PMID: 36503959 PMCID: PMC9742148 DOI: 10.1038/s41598-022-25772-4] [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: 07/31/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022] Open
Abstract
The emergence of multidrug-resistant microbes and the propagation of cancer cells are global health issues. The unique properties of chitosan and its derivatives make it an important candidate for therapeutic applications. Herein, a new thiadiazole derivative, 4-((5-(butylthio)-1,3,4-thiadiazol-2-yl) amino)-4-oxo butanoic acid (BuTD-COOH) was synthesized and used to modify the chitosan through amide linkages, forming a new thiadiazole chitosan derivative (BuTD-CH). The formation of thiadiazole and the chitosan derivative was confirmed by FT-IR, 1H/13C-NMR, GC-MS, TGA, Elemental analysis, and XPS. The BuTD-CH showed a high antimicrobial effect against human pathogens Escherichia coli, Pseudomonas aeruginosa, Bacillus subtilis, Staphylococcus aureus, and Candida albicans with low MIC values of 25-50 μg ml-1 compared to unmodified chitosan. The in-vitro cytotoxicity of BuTD-CH was evaluated against two cancer cell lines (MCF-7 and HepG2) and one normal cell (HFB4) using the MTT method. The newly synthesized derivatives showed high efficacy against cancerous cells and targeted them at low concentrations (IC50 was 178.9 ± 9.1 and 147.8 ± 10.5 μg ml-1 for MCF-7 and HepG2, respectively) compared with normal HFB4 cells (IC50 was 335.7 ± 11.4 μg ml-1). Thus, low concentrations of newly synthesized BuTD-CH could be safely used as an antimicrobial and pharmacological agent for inhibiting the growth of human pathogenic microbes and hepatocellular and adenocarcinoma therapy.
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Lishchynskyi O, Shymborska Y, Stetsyshyn Y, Raczkowska J, Skirtach AG, Peretiatko T, Budkowski A. Passive antifouling and active self-disinfecting antiviral surfaces. CHEMICAL ENGINEERING JOURNAL (LAUSANNE, SWITZERLAND : 1996) 2022; 446:137048. [PMID: 35601363 PMCID: PMC9113772 DOI: 10.1016/j.cej.2022.137048] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 05/01/2022] [Accepted: 05/15/2022] [Indexed: 05/15/2023]
Abstract
Viruses pose a serious threat to human health and society in general, as virus infections are one of the main causes of morbidity and mortality. Till May 2022, over 513 million people around the world have been confirmed to be infected and more than 6.2 million have died due to SARS-CoV-2. Although the COVID-19 pandemic will be defeated in the near future, we are likely to face new viral threats in the coming years. One of the important instruments to protect from viruses are antiviral surfaces, which are essentially capable of limiting their spread. The formulation of the concept of antiviral surfaces is relatively new. In general, five types of mechanism directed against virus spread can be proposed for antiviral surfaces; involving: direct and indirect actions, receptor inactivation, photothermal effect, and antifouling behavior. All antiviral surfaces can be classified into two main types - passive and active. Passive antiviral surfaces are based on superhydrophobic coatings that are able to repel virus contaminated droplets. In turn, viruses can become biologically inert (e.g., blocked or destroyed) upon contact with active antiviral surfaces, as they contain antiviral agents: metal atoms, synthetic or natural polymers, and small molecules. The functionality of antiviral surfaces can be significantly improved with additional properties, such as temperature- or pH-responsivity, multifunctionality, non-specific action on different virus types, long-term application, high antiviral efficiency and self-cleaning.
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Affiliation(s)
- Ostap Lishchynskyi
- Lviv Polytechnic National University, St. George's Square 2, 79013 Lviv, Ukraine
- Department of Biotechnology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Yana Shymborska
- Lviv Polytechnic National University, St. George's Square 2, 79013 Lviv, Ukraine
- Smoluchowski Institute of Physics, Jagiellonian University, Łojasiewicza 11, 30-348, Kraków, Poland
| | - Yurij Stetsyshyn
- Lviv Polytechnic National University, St. George's Square 2, 79013 Lviv, Ukraine
- Smoluchowski Institute of Physics, Jagiellonian University, Łojasiewicza 11, 30-348, Kraków, Poland
| | - Joanna Raczkowska
- Smoluchowski Institute of Physics, Jagiellonian University, Łojasiewicza 11, 30-348, Kraków, Poland
| | - Andre G Skirtach
- Department of Biotechnology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Taras Peretiatko
- Ivan Franko National University of Lviv, Universytetska 1, 79000 Lviv, Ukraine
| | - Andrzej Budkowski
- Smoluchowski Institute of Physics, Jagiellonian University, Łojasiewicza 11, 30-348, Kraków, Poland
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Behzadnia A, Moosavi-Nasab M, Mohammadi A, Babajafari S, Tiwari BK. Production of an ultrasound-assisted biosurfactant postbiotic from agro-industrial wastes and its activity against Newcastle virus. Front Nutr 2022; 9:966338. [PMID: 36225870 PMCID: PMC9549457 DOI: 10.3389/fnut.2022.966338] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 07/22/2022] [Indexed: 11/13/2022] Open
Abstract
The objective of this study is to optimize the biosurfactant production by Lactobacillus plantarum ATCC 8014 using low-cost substrates from industrial sources applying ultrasonication at 28 kHz frequency (power of 100 W). Given this, whey permeate and sugar cane molasses were screened to continue optimization using a central composite design to improve the production. Then, the effect of ultrasound was examined at different stages of microbial growth. The combination of whey permeate and sugar cane molasses with yeast extract (2.4 g/L) and inoculum size of 4.8% for 26 h of fermentation time significantly influenced biosurfactant production by reducing the surface tension of water (41.86 ± 0.24 mN/m). Moreover, ultrasonication led to the further reduction in surface tension value (39.95 ± 0.35 mN/m). Further, no significant differences were observed between products from synthetic and waste-based media. The biosurfactants exhibited antiviral activity against Newcastle disease virus (NDV) LaSota strain. It was discovered that biosurfactant produced in agro-food wastes with a significant antiviral effectiveness could be used to develop commercial application instead of chemical surfactants and biosurfactants from expensive synthetic media.
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Affiliation(s)
- Asma Behzadnia
- Department of Food Science and Technology, School of Agriculture, Shiraz University, Shiraz, Iran
- Seafood Processing Research Centre, School of Agriculture, Shiraz University, Shiraz, Iran
| | - Marzieh Moosavi-Nasab
- Department of Food Science and Technology, School of Agriculture, Shiraz University, Shiraz, Iran
- Seafood Processing Research Centre, School of Agriculture, Shiraz University, Shiraz, Iran
- Nutrition Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ali Mohammadi
- Department of Pathobiology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - Siavash Babajafari
- Nutrition Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Clinical Nutrition, Nutrition Research Center, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Brijesh K. Tiwari
- Department of Food Chemistry and Technology, Teagasc Food Research Centre, Dublin, Ireland
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Recent innovations in bionanocomposites-based food packaging films – A comprehensive review. Food Packag Shelf Life 2022. [DOI: 10.1016/j.fpsl.2022.100877] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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14
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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; 14:3357. [PMID: 36015613 PMCID: PMC9413598 DOI: 10.3390/polym14163357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [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
| | - 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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15
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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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16
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Goharshadi EK, Goharshadi K, Moghayedi M. The use of nanotechnology in the fight against viruses: A critical review. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214559] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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17
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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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18
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Sorci M, Fink TD, Sharma V, Singh S, Chen R, Arduini BL, Dovidenko K, Heldt CL, Palermo EF, Zha RH. Virucidal N95 Respirator Face Masks via Ultrathin Surface-Grafted Quaternary Ammonium Polymer Coatings. ACS APPLIED MATERIALS & INTERFACES 2022; 14:25135-25146. [PMID: 35613701 PMCID: PMC9185690 DOI: 10.1021/acsami.2c04165] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
N95 respirator face masks serve as effective physical barriers against airborne virus transmission, especially in a hospital setting. However, conventional filtration materials, such as nonwoven polypropylene fibers, have no inherent virucidal activity, and thus, the risk of surface contamination increases with wear time. The ability of face masks to protect against infection can be likely improved by incorporating components that deactivate viruses on contact. We present a facile method for covalently attaching antiviral quaternary ammonium polymers to the fiber surfaces of nonwoven polypropylene fabrics that are commonly used as filtration materials in N95 respirators via ultraviolet (UV)-initiated grafting of biocidal agents. Here, C12-quaternized benzophenone is simultaneously polymerized and grafted onto melt-blown or spunbond polypropylene fabric using 254 nm UV light. This grafting method generated ultrathin polymer coatings which imparted a permanent cationic charge without grossly changing fiber morphology or air resistance across the filter. For melt-blown polypropylene, which comprises the active filtration layer of N95 respirator masks, filtration efficiency was negatively impacted from 72.5 to 51.3% for uncoated and coated single-ply samples, respectively. Similarly, directly applying the antiviral polymer to full N95 masks decreased the filtration efficiency from 90.4 to 79.8%. This effect was due to the exposure of melt-blown polypropylene to organic solvents used in the coating process. However, N95-level filtration efficiency could be achieved by wearing coated spunbond polypropylene over an N95 mask or by fabricating N95 masks with coated spunbond as the exterior layer. Coated materials demonstrated broad-spectrum antimicrobial activity against several lipid-enveloped viruses, as well as Staphylococcus aureus and Escherichia coli bacteria. For example, a 4.3-log reduction in infectious MHV-A59 virus and a 3.3-log reduction in infectious SuHV-1 virus after contact with coated filters were observed, although the level of viral deactivation varied significantly depending on the virus strain and protocol for assaying infectivity.
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Affiliation(s)
- Mirco Sorci
- Department
of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180, United States
- Center
for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180, United States
| | - Tanner D. Fink
- Department
of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180, United States
- Center
for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180, United States
| | - Vaishali Sharma
- Department
of Biological Sciences, Michigan Technological
University, 1400 Townsend Drive, Houghton, Michigan 49931, United
States
- Health
Research Institute, Michigan Technological
University, 1400 Townsend Drive, Houghton, Michigan 49931, United
States
| | - Sneha Singh
- Health
Research Institute, Michigan Technological
University, 1400 Townsend Drive, Houghton, Michigan 49931, United
States
- Department
of Chemical Engineering, Michigan Technological
University, 1400 Townsend Drive, Houghton, Michigan 49931, United
States
| | - Ruiwen Chen
- Department
of Materials Science and Engineering, Rensselaer
Polytechnic Institute, 110 8th Street, Troy, New
York 12180, United
States
| | - Brigitte L. Arduini
- Center
for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180, United States
| | - Katharine Dovidenko
- Center
for Materials, Devices, and Integrated Systems, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180, United States
| | - Caryn L. Heldt
- Health
Research Institute, Michigan Technological
University, 1400 Townsend Drive, Houghton, Michigan 49931, United
States
- Department
of Chemical Engineering, Michigan Technological
University, 1400 Townsend Drive, Houghton, Michigan 49931, United
States
| | - Edmund F. Palermo
- Department
of Materials Science and Engineering, Rensselaer
Polytechnic Institute, 110 8th Street, Troy, New
York 12180, United
States
| | - R. Helen Zha
- Department
of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180, United States
- Center
for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy, New York 12180, United States
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19
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Design strategies for antiviral coatings and surfaces: A review ☆. APPLIED SURFACE SCIENCE ADVANCES 2022; 8:100224. [PMCID: PMC8865753 DOI: 10.1016/j.apsadv.2022.100224] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 02/06/2022] [Accepted: 02/15/2022] [Indexed: 05/31/2023]
Abstract
The routine disinfection and sanitization of surfaces, objects, and textiles has become a time-consuming but necessary task for managing the COVID-19 pandemic. Nonetheless, the excessive use of sanitizers and disinfectants promotes the development of antibiotic-resistant microbes. Moreover, that improper disinfection could lead to more virus transfer, which leads to more viral mutations. Recently developed antiviral surface coatings can reduce the reliance on traditional disinfectants. These surfaces remain actively antimicrobial between periods of active cleaning of the surfaces, allowing a much more limited and optimized use of disinfectants. The novel nature of these surfaces has led, however, to many inconsistencies within the rapidly growing literature. Here we provide tools to guide the design and development of antimicrobial and antiviral surfaces and coatings. We describe how engineers can best choose testing options and propose new avenues for antiviral testing. After defining testing protocols, we summarize potential inorganic and organic materials able to serve as antiviral surfaces and present their antiviral mechanisms. We discuss the main limitations to their application, including issues related to toxicity, antimicrobial resistance, and environmental concerns. We propose solutions to counter these limitations and highlight how the context of specific use of an antiviral surface must guide material selection. Finally, we discuss how the use of coatings that combine multiple antimicrobial mechanisms can avoid the development of antibiotic resistance and improve the antiviral properties of these surfaces.
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20
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Jaber N, Al‐Remawi M, Al‐Akayleh F, Al‐Muhtaseb N, Al‐Adham ISI, Collier PJ. A review of the antiviral activity of Chitosan, including patented applications and its potential use against COVID-19. J Appl Microbiol 2022; 132:41-58. [PMID: 34218488 PMCID: PMC8447037 DOI: 10.1111/jam.15202] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 06/29/2021] [Indexed: 12/13/2022]
Abstract
Chitosan is an abundant organic polysaccharide, which can be relatively easily obtained by chemical modification of animal or fungal source materials. Chitosan and its derivatives have been shown to exhibit direct antiviral activity, to be useful vaccine adjuvants and to have potential anti-SARS-CoV-2 activity. This thorough and timely review looks at the recent history of investigations into the role of chitosan and its derivatives as an antiviral agent and proposes a future application in the treatment of endemic SARS-CoV-2.
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Affiliation(s)
- Nisrein Jaber
- Faculty of PharmacyAl‐Ahliyya Amman UniversityAmmanJordan
| | - Mayyas Al‐Remawi
- Faculty of Pharmacy & Medical SciencesUniversity of PetraAmmanJordan
| | - Faisal Al‐Akayleh
- Faculty of Pharmacy & Medical SciencesUniversity of PetraAmmanJordan
| | - Najah Al‐Muhtaseb
- Faculty of Pharmacy & Medical SciencesUniversity of PetraAmmanJordan
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21
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Safer AM, Leporatti S. Chitosan Nanoparticles for Antiviral Drug Delivery: A Novel Route for COVID-19 Treatment. Int J Nanomedicine 2021; 16:8141-8158. [PMID: 34949922 PMCID: PMC8689047 DOI: 10.2147/ijn.s332385] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 10/29/2021] [Indexed: 12/20/2022] Open
Abstract
Chitosan has been investigated in several biological fields, including drug and gene delivery, tissue engineering antiviral and immunological adjuvant methods. It's a cationic copolymer of N-acetyl glucosamine and D-glucosamine with different molecular chain lengths, compositions, and sequences than N-acetyl glucosamine and D-glucosamine. It is biocompatible and cyto-compatible, as well as recyclable and bioresorbable. As effective drug delivery methods, chitosan nanoparticles are shaped into several pathways. The purpose of this article is to provide an overview of its antiviral application as a nanocarrier for antiviral medications, highlighting the benefits, limitations, and downsides. In this review, we will report the most recent COVID-19 vaccination advances. It will also be discussed what the future holds for chitosan nanoparticles in the treatment of coronaviruses.
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Affiliation(s)
- Abdel-Majed Safer
- Department of Biological Sciences, Faculty of Science, Kuwait University, Kuwait City, Kuwait
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22
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Abdelkhalek A, Qari SH, Abu-Saied MAAR, Khalil AM, Younes HA, Nehela Y, Behiry SI. Chitosan Nanoparticles Inactivate Alfalfa Mosaic Virus Replication and Boost Innate Immunity in Nicotiana glutinosa Plants. PLANTS (BASEL, SWITZERLAND) 2021; 10:2701. [PMID: 34961172 PMCID: PMC8703458 DOI: 10.3390/plants10122701] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 11/26/2021] [Accepted: 12/03/2021] [Indexed: 06/01/2023]
Abstract
Plant viral infection is one of the most severe issues in food security globally, resulting in considerable crop production losses. Chitosan is a well-known biocontrol agent against a variety of plant infections. However, research on combatting viral infections is still in its early stages. The current study investigated the antiviral activities (protective, curative, and inactivation) of the prepared chitosan/dextran nanoparticles (CDNPs, 100 µg mL-1) on Nicotiana glutinosa plants. Scanning electron microscope (SEM) and dynamic light scattering analysis revealed that the synthesized CDNPs had a uniform, regular sphere shapes ranging from 20 to 160 nm in diameter, with an average diameter of 91.68 nm. The inactivation treatment was the most effective treatment, which resulted in a 100% reduction in the alfalfa mosaic virus (AMV, Acc# OK413670) accumulation level. On the other hand, the foliar application of CDNPs decreased disease severity and significantly reduced viral accumulation levels by 70.43% and 61.65% in protective and curative treatments, respectively, under greenhouse conditions. Additionally, the induction of systemic acquired resistance, increasing total carbohydrates and total phenolic contents, as well as triggering the transcriptional levels of peroxidase, pathogen-related protein-1, and phenylalanine ammonia-lyase were observed. In light of the results, we propose that the potential application of CDNPs could be an eco-friendly approach to enhance yield and a more effective therapeutic elicitor for disease management in plants upon induction of defense systems.
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Affiliation(s)
- Ahmed Abdelkhalek
- Plant Protection and Biomolecular Diagnosis Department, ALCRI, City of Scientific Research and Technological Applications, New Borg El-Arab City 21934, Alexandria, Egypt
| | - Sameer H. Qari
- Biology Department, Al-Jumum University College, Umm Al-Qura University, Mecca 25376, Saudi Arabia;
| | - Mohamed Abd Al-Raheem Abu-Saied
- Polymeric Materials Research Department, Advanced Technology and New Materials Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City 21934, Alexandria, Egypt;
| | - Abdallah Mohamed Khalil
- Plant Botany Department, Faculty of Science, Omar Al-Mukhtar University, Al Bayda 00218-84, Libya;
| | - Hosny A. Younes
- Agricultural Botany Department, Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria 21531, Egypt;
| | - Yasser Nehela
- Department of Agricultural Botany, Faculty of Agriculture, Tanta University, Tanta 31511, Egypt;
- Citrus Research and Education Center, Department of Plant Pathology, University of Florida, 700 Experiment Station Rd., Lake Alfred, FL 33850, USA
| | - Said I. Behiry
- Agricultural Botany Department, Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria 21531, Egypt;
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23
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Szymańska E, Krzyżowska M, Cal K, Mikolaszek B, Tomaszewski J, Wołczyński S, Winnicka K. Potential of mucoadhesive chitosan glutamate microparticles as microbicide carriers - antiherpes activity and penetration behavior across the human vaginal epithelium. Drug Deliv 2021; 28:2278-2288. [PMID: 34668816 PMCID: PMC8530489 DOI: 10.1080/10717544.2021.1992037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 09/28/2021] [Accepted: 10/04/2021] [Indexed: 12/30/2022] Open
Abstract
Chitosan glutamate (gCS) spray-dried microparticles appear promising carriers to overcome challenges associated with vaginal microbicide delivery. This study aimed at elucidating the penetration and mucoadhesive behavior of developed gCS multiunit carriers with zidovudine (ZVD) as a model antiretroviral agent in contact with excised human vaginal epithelium followed with an examination of in vitro antiherpes activity in immortal human keratinocytes HaCaT and human vaginal epithelial cells VK2-E6/E7. Both ZVD dispersion and placebo microparticles served as controls. Microparticles displayed feasible (comparable to commercial vaginal product) mucoadhesive and mucoretention characteristics to isolated human vaginal tissue. Ex vivo penetration studies revealed that gCS increased the accumulation of active agent in the vaginal epithelium but surprisingly did not facilitate its penetration across human tissue. Finally, the obtained antiviral results demonstrated the potential of gCS as an antiherpes adjunctive, whose mode of action was related to blocking viral attachment.
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Affiliation(s)
- Emilia Szymańska
- Department of Pharmaceutical Technology, Medical University of Białystok, Bialystok, Poland
| | - Małgorzata Krzyżowska
- Department of Rheumatology and Inflammation Research, University of Gothenburg, Gothenburg, Sweden
- Military Institute of Hygiene and Epidemiology, Warsaw, Poland
| | - Krzysztof Cal
- Department of Pharmaceutical Technology, Medical University of Gdańsk, Gdańsk, Poland
| | - Barbara Mikolaszek
- Department of Pharmaceutical Technology, Medical University of Gdańsk, Gdańsk, Poland
| | - Jakub Tomaszewski
- Private Obstetric and Gynecological Clinic, Tomaszewski Medical Centre, Białystok, Poland
| | - Sławomir Wołczyński
- Department of Reproduction and Gynecological Endocrinology, Medical University of Białystok, Bialystok, Poland
| | - Katarzyna Winnicka
- Department of Pharmaceutical Technology, Medical University of Białystok, Bialystok, Poland
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24
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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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25
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Kukushkina EA, Hossain SI, Sportelli MC, Ditaranto N, Picca RA, Cioffi N. Ag-Based Synergistic Antimicrobial Composites. A Critical Review. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1687. [PMID: 34199123 PMCID: PMC8306300 DOI: 10.3390/nano11071687] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/15/2021] [Accepted: 06/21/2021] [Indexed: 12/12/2022]
Abstract
The emerging problem of the antibiotic resistance development and the consequences that the health, food and other sectors face stimulate researchers to find safe and effective alternative methods to fight antimicrobial resistance (AMR) and biofilm formation. One of the most promising and efficient groups of materials known for robust antimicrobial performance is noble metal nanoparticles. Notably, silver nanoparticles (AgNPs) have been already widely investigated and applied as antimicrobial agents. However, it has been proposed to create synergistic composites, because pathogens can find their way to develop resistance against metal nanophases; therefore, it could be important to strengthen and secure their antipathogen potency. These complex materials are comprised of individual components with intrinsic antimicrobial action against a wide range of pathogens. One part consists of inorganic AgNPs, and the other, of active organic molecules with pronounced germicidal effects: both phases complement each other, and the effect might just be the sum of the individual effects, or it can be reinforced by the simultaneous application. Many organic molecules have been proposed as potential candidates and successfully united with inorganic counterparts: polysaccharides, with chitosan being the most used component; phenols and organic acids; and peptides and other agents of animal and synthetic origin. In this review, we overview the available literature and critically discuss the findings, including the mechanisms of action, efficacy and application of the silver-based synergistic antimicrobial composites. Hence, we provide a structured summary of the current state of the research direction and give an opinion on perspectives on the development of hybrid Ag-based nanoantimicrobials (NAMs).
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Affiliation(s)
- Ekaterina A. Kukushkina
- Chemistry Department, University of Bari Aldo Moro, via Orabona 4, 70126 Bari, Italy; (E.A.K.); (S.I.H.); (M.C.S.); (N.D.); (R.A.P.)
- CSGI (Center for Colloid and Surface Science), Chemistry Department, University of Bari, via Orabona 4, 70126 Bari, Italy
| | - Syed Imdadul Hossain
- Chemistry Department, University of Bari Aldo Moro, via Orabona 4, 70126 Bari, Italy; (E.A.K.); (S.I.H.); (M.C.S.); (N.D.); (R.A.P.)
- CSGI (Center for Colloid and Surface Science), Chemistry Department, University of Bari, via Orabona 4, 70126 Bari, Italy
| | - Maria Chiara Sportelli
- Chemistry Department, University of Bari Aldo Moro, via Orabona 4, 70126 Bari, Italy; (E.A.K.); (S.I.H.); (M.C.S.); (N.D.); (R.A.P.)
- CSGI (Center for Colloid and Surface Science), Chemistry Department, University of Bari, via Orabona 4, 70126 Bari, Italy
| | - Nicoletta Ditaranto
- Chemistry Department, University of Bari Aldo Moro, via Orabona 4, 70126 Bari, Italy; (E.A.K.); (S.I.H.); (M.C.S.); (N.D.); (R.A.P.)
- CSGI (Center for Colloid and Surface Science), Chemistry Department, University of Bari, via Orabona 4, 70126 Bari, Italy
| | - Rosaria Anna Picca
- Chemistry Department, University of Bari Aldo Moro, via Orabona 4, 70126 Bari, Italy; (E.A.K.); (S.I.H.); (M.C.S.); (N.D.); (R.A.P.)
- CSGI (Center for Colloid and Surface Science), Chemistry Department, University of Bari, via Orabona 4, 70126 Bari, Italy
| | - Nicola Cioffi
- Chemistry Department, University of Bari Aldo Moro, via Orabona 4, 70126 Bari, Italy; (E.A.K.); (S.I.H.); (M.C.S.); (N.D.); (R.A.P.)
- CSGI (Center for Colloid and Surface Science), Chemistry Department, University of Bari, via Orabona 4, 70126 Bari, Italy
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de Castro KC, Costa JM. Polymeric surfaces with biocidal action: challenges imposed by the SARS-CoV-2, technologies employed, and future perspectives. JOURNAL OF POLYMER RESEARCH 2021. [PMCID: PMC8165346 DOI: 10.1007/s10965-021-02548-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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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: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [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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Packialakshmi P, Gobinath P, Ali D, Alarifi S, Alsaiari NS, Idhayadhulla A, Surendrakumar R. Synthesis and Characterization of a Minophosphonate Containing Chitosan Polymer Derivatives: Investigations of Cytotoxic Activity and in Silico Study of SARS-CoV-19. Polymers (Basel) 2021; 13:polym13071046. [PMID: 33810568 PMCID: PMC8038110 DOI: 10.3390/polym13071046] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/11/2021] [Accepted: 03/15/2021] [Indexed: 01/27/2023] Open
Abstract
Chitosan is broadly used as a biological material since of its excellent biological activities. This work describes investigations of chitosan interaction with SARS-CoV-2, which is occupied by human respiratory epithelial cells through communication with the human angiotension-converting enzyme II (ACE2). The β-chitosan derivatives are synthesized and characterized by FT-IR, nuclear magnetic resonance (1H and 13C NMR), mass spectrometry, X-ray diffraction, TGA, DSC, and elemental analysis. The β-chitosan derivatives were screened for cytotoxic activity against the HepG2 and MCF-7 (breast) cancer cell lines. Compound 1h (GI50 0.02 µM) is moderately active against the HepG2 cancer cell line, and Compound 1c is highly active (GI50 0.01 µM) against the MCF-7 cancer cell line. In addition, chitosan derivatives (1a-1j) docking against the SARS coronavirus are found by in-silico docking analysis. The findings show that compound 1c exhibits notable inhibition ability compared with other compounds, with a binding energy value of -7.9 kcal/mol. Based on the molecular docking results, the chitosan analog is proposed to be an alternative antiviral agent for SARS-CoV2.
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Affiliation(s)
- Ponnusamy Packialakshmi
- PG & Research, Department of Chemistry, Nehru Memorial College, Affiliated Bharathidasan University, Puthanamapatti, Tamilnadu 621007, India; (P.P.); (P.G.); (A.I.)
| | - Perumal Gobinath
- PG & Research, Department of Chemistry, Nehru Memorial College, Affiliated Bharathidasan University, Puthanamapatti, Tamilnadu 621007, India; (P.P.); (P.G.); (A.I.)
| | - Daoud Ali
- Department of Zoology, College of Sciences, King Saud University (KSU), P.O. Box 2455, Riyadh 11451, Saudi Arabia; (D.A.); (S.A.)
| | - Saud Alarifi
- Department of Zoology, College of Sciences, King Saud University (KSU), P.O. Box 2455, Riyadh 11451, Saudi Arabia; (D.A.); (S.A.)
| | - Norah Salem Alsaiari
- Department of Chemistry, College of Science, Princess Nourahbint Abdulrahman Univerity, Riyadh 11451, Saudi Arabia;
| | - Akbar Idhayadhulla
- PG & Research, Department of Chemistry, Nehru Memorial College, Affiliated Bharathidasan University, Puthanamapatti, Tamilnadu 621007, India; (P.P.); (P.G.); (A.I.)
| | - Radhakrishnan Surendrakumar
- PG & Research, Department of Chemistry, Nehru Memorial College, Affiliated Bharathidasan University, Puthanamapatti, Tamilnadu 621007, India; (P.P.); (P.G.); (A.I.)
- Correspondence: ; Tel.: +91-99-4454-9026
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Boroumand H, Badie F, Mazaheri S, Seyedi ZS, Nahand JS, Nejati M, Baghi HB, Abbasi-Kolli M, Badehnoosh B, Ghandali M, Hamblin MR, Mirzaei H. Chitosan-Based Nanoparticles Against Viral Infections. Front Cell Infect Microbiol 2021; 11:643953. [PMID: 33816349 PMCID: PMC8011499 DOI: 10.3389/fcimb.2021.643953] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 02/22/2021] [Indexed: 01/23/2023] Open
Abstract
Viral infections, in addition to damaging host cells, can compromise the host immune system, leading to frequent relapse or long-term persistence. Viruses have the capacity to destroy the host cell while liberating their own RNA or DNA in order to replicate within additional host cells. The viral life cycle makes it challenging to develop anti-viral drugs. Nanotechnology-based approaches have been suggested to deal effectively with viral diseases, and overcome some limitations of anti-viral drugs. Nanotechnology has enabled scientists to overcome the challenges of solubility and toxicity of anti-viral drugs, and can enhance their selectivity towards viruses and virally infected cells, while preserving healthy host cells. Chitosan is a naturally occurring polymer that has been used to construct nanoparticles (NPs), which are biocompatible, biodegradable, less toxic, easy to prepare, and can function as effective drug delivery systems (DDSs). Furthermore, chitosan is Generally Recognized as Safe (GRAS) by the US Food and Drug Administration (U.S. FDA). Chitosan NPs have been used in drug delivery by the oral, ocular, pulmonary, nasal, mucosal, buccal, or vaginal routes. They have also been studied for gene delivery, vaccine delivery, and advanced cancer therapy. Multiple lines of evidence suggest that chitosan NPs could be used as new therapeutic tools against viral infections. In this review we summarize reports concerning the therapeutic potential of chitosan NPs against various viral infections.
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Affiliation(s)
- Homa Boroumand
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Fereshteh Badie
- Department of Microbiology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Samaneh Mazaheri
- Department of Analytical Chemistry, Faculty of Chemistry, University of Kashan, Kashan, Iran
| | - Zeynab Sadat Seyedi
- Department of Cell and Molecular Biology, Faculty of Chemistry, University of Kashan, Kashan, Iran
| | - Javid Sadri Nahand
- Department of Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Majid Nejati
- Anatomical Sciences Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Hossein Bannazadeh Baghi
- Department of Microbiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Abbasi-Kolli
- Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Bita Badehnoosh
- Department of Gynecology and Obstetrics, Dietary Supplements and Probiotic Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Maryam Ghandali
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, South Africa
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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Sahu DK, Pradhan D, Naik PK, Kar B, Ghosh G, Rath G. Smart polymeric eye gear: A possible preventive measure against ocular transmission of COVID-19. Med Hypotheses 2020; 144:110288. [PMID: 33254590 PMCID: PMC7494557 DOI: 10.1016/j.mehy.2020.110288] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 08/08/2020] [Accepted: 09/14/2020] [Indexed: 12/24/2022]
Abstract
The angiotensin-converting enzyme 2(ACE-2) receptors with approx. 0.8% congestion in conjunctival surface, leads to increase susceptibility of Covid-19 transmission through ocular surface. It has been observed that prophylactic measures such as goggle or face shield are unable to offer complete protection against ocular transmission of SRS-CoV-2. Hence, it is hypothesized that topical ocular prophylaxis using biocompatible polymers with reported in-vitro and in-vivo evidence of ACE inhibition and antiviral activity appears to be a promising strategy for preventing ocular transmission of Covid-19 to healthcare workers. They are capable of binding to ACE-2 receptors which may provide highly potential trails to block virus entry to host cells. Further biopolymers imparting antiviral activities greatly improve their protective performance. They not only provide prolong protection but also are safe for long-term use. This article discusses the description of structural and functional attributes of ACE-2 to identify appropriate polymer with better binding affinity. Furthermore, potential polymers with appropriate concentration are suggested for evaluation through a hypothesis to consider them for Covid-19 implication.
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Affiliation(s)
- Dipak Kumar Sahu
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Odisha, India
| | - Deepak Pradhan
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Odisha, India
| | - Pradeep Kumar Naik
- Department of Biotechnology & Bioinformatics, Sambalpur University, Odisha, India
| | - Biswakanth Kar
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Odisha, India
| | - Goutam Ghosh
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Odisha, India
| | - Goutam Rath
- School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Odisha, India.
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Antibacterial activity of various chitosan forms against Xanthomonas axonopodis pv. glycines. Int J Biol Macromol 2020; 156:1600-1605. [DOI: 10.1016/j.ijbiomac.2019.11.211] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 11/14/2019] [Accepted: 11/26/2019] [Indexed: 01/04/2023]
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32
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Santos VP, Marques NSS, Maia PCSV, de Lima MAB, Franco LDO, de Campos-Takaki GM. Seafood Waste as Attractive Source of Chitin and Chitosan Production and Their Applications. Int J Mol Sci 2020; 21:ijms21124290. [PMID: 32560250 PMCID: PMC7349002 DOI: 10.3390/ijms21124290] [Citation(s) in RCA: 141] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/26/2020] [Accepted: 05/26/2020] [Indexed: 12/14/2022] Open
Abstract
Chitosan is a cationic polymer obtained by deacetylation of chitin, found abundantly in crustacean, insect, arthropod exoskeletons, and molluscs. The process of obtaining chitin by the chemical extraction method comprises the steps of deproteinization, demineralization, and discoloration. To obtain chitosan, the deacetylation of chitin is necessary. These polymers can also be extracted through the biological extraction method involving the use of microorganisms. Chitosan has biodegradable and biocompatible properties, being applied in the pharmaceutical, cosmetic, food, biomedical, chemical, and textile industries. Chitosan and its derivatives may be used in the form of gels, beads, membranes, films, and sponges, depending on their application. Polymer blending can also be performed to improve the mechanical properties of the bioproduct. This review aims to provide the latest information on existing methods for chitin and chitosan recovery from marine waste as well as their applications.
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Affiliation(s)
- Vanessa P. Santos
- Federal Rural University of Pernambuco, Recife 52171-900, Pernambuco, Brazil; (V.P.S.); (N.S.S.M.); (P.C.S.V.M.)
| | - Nathália S. S. Marques
- Federal Rural University of Pernambuco, Recife 52171-900, Pernambuco, Brazil; (V.P.S.); (N.S.S.M.); (P.C.S.V.M.)
| | - Patrícia C. S. V. Maia
- Federal Rural University of Pernambuco, Recife 52171-900, Pernambuco, Brazil; (V.P.S.); (N.S.S.M.); (P.C.S.V.M.)
| | - Marcos Antonio Barbosa de Lima
- Department of Microbiology, Federal Rural University of Pernambuco, Recife 52171-900, Pernambuco, Brazil; (M.A.B.d.L.); (L.d.O.F.)
| | - Luciana de Oliveira Franco
- Department of Microbiology, Federal Rural University of Pernambuco, Recife 52171-900, Pernambuco, Brazil; (M.A.B.d.L.); (L.d.O.F.)
| | - Galba Maria de Campos-Takaki
- Research Center for Environmental Sciences and Biotechnology, Catholic University Pernambuco, Recife 50050-590, Pernambuco, Brazil
- Correspondence: ; Tel.: +55-081-2119-4017
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