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Suárez-Vega A, Berriozabal G, Perez de Iriarte J, Lorenzo J, Álvarez N, Dominguez-Meister S, Insausti S, Rujas E, Nieva JL, Brizuela M, Braceras I. On the antimicrobial properties and endurance of eugenol and 2-phenylphenol functionalized sol-gel coatings. Heliyon 2024; 10:e29146. [PMID: 38628759 PMCID: PMC11016974 DOI: 10.1016/j.heliyon.2024.e29146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 03/04/2024] [Accepted: 04/01/2024] [Indexed: 04/19/2024] Open
Abstract
Preventing microbiological surface contamination in public spaces is nowadays of high priority. The proliferation of a microbial infection may arise through air, water, or direct contact with infected surfaces. Chemical sanitization is one of the most effective approaches to avoid the proliferation of microorganisms. However, extended contact with chemicals for cleaning purposes such as chlorine, hydrogen peroxide or ethanol may lead to long-term diseases as well as drowsiness or respiratory issues, not to mention environmental issues associated to their use. As a potentially safer alternative, in the present work, the efficacy and endurance of the antimicrobial activity of different sol-gel coatings were studied, where one or two biocides were added to the coating matrix resulting on active groups exposed on the surface. Specifically, the coating formulations were synthesized by the sol-gel method. Using the alkoxide route with acid catalysis a hybrid silica-titania-methacrylate matrix was obtained where aromatic liquid eugenol was added with a double function: as a complexing agent for the chelation of the reaction precursor titanium isopropoxide, and as a biocide. In addition, 2-Phenylphenol, ECHA approved biocide, has also been incorporated to the coating matrix. The antibacterial effect of these coatings was confirmed on Gram-positive (Staphylococcus aureus) and Gram-negative bacteria (Escherichia coli). Additionally, the coatings were non cyto-toxic and displayed virucidal activity. The coating chemical composition was characterized by 29Si NMR, and ATR-FTIR. Furthermore, the thickness and the mechanical properties were characterized by profilometry and nanoindentation, respectively. Finally, the durability of the coatings was studied with tribology tests. Overall, our data support the efficacy of the tested sol-gel coatings and suggest that added features may be required to improve endurance of the antimicrobial effects on operational conditions.
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Affiliation(s)
- Ana Suárez-Vega
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Gemma Berriozabal
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Juan Perez de Iriarte
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Jaione Lorenzo
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Noelia Álvarez
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Santiago Dominguez-Meister
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Sara Insausti
- Instituto Biofisika (CSIC-UPV/EHU), University of the Basque Country (UPV/EHU), PO Box 644, 48080, Bilbao, Spain
- Department of Biochemistry and Molecular Biology, University of the Basque Country (UPV/EHU), PO Box 644, 48080, Bilbao, Spain
| | - Edurne Rujas
- Instituto Biofisika (CSIC-UPV/EHU), University of the Basque Country (UPV/EHU), PO Box 644, 48080, Bilbao, Spain
- Ikerbasque, Basque Foundation for Science, 48013, Bilbao, Spain
- Pharmacokinetic, Nanotechnology and Gene Therapy Group, Faculty of Pharmacy, University of the Basque Country UPV/EHU, 01006, Vitoria-Gasteiz, Spain
- Bioaraba, Microbiology, Infectious Disease, Antimicrobial Agents, and Gene Therapy, 01006, Vitoria-Gasteiz, Spain
| | - Jose L. Nieva
- Instituto Biofisika (CSIC-UPV/EHU), University of the Basque Country (UPV/EHU), PO Box 644, 48080, Bilbao, Spain
- Department of Biochemistry and Molecular Biology, University of the Basque Country (UPV/EHU), PO Box 644, 48080, Bilbao, Spain
| | - Marta Brizuela
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
| | - Iñigo Braceras
- TECNALIA, Basque Research and Technology Alliance (BRTA), Mikeletegi Pasealekua 2, Donostia-San Sebastián, Spain
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Rodrigo I, Ballesta C, Nunes EB, Pérez P, García-Arriaza J, Arias A. Eeyarestatin I, an inhibitor of the valosin-containing protein, exhibits potent virucidal activity against the flaviviruses. Antiviral Res 2022; 207:105416. [PMID: 36113629 DOI: 10.1016/j.antiviral.2022.105416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 09/05/2022] [Accepted: 09/08/2022] [Indexed: 11/26/2022]
Abstract
Cellular responses to stress generally lead to the activation of the endoplasmic reticulum-associated protein degradation (ERAD) pathway. Several lines of study support that ERAD may be playing a proviral role during flaviviral infection. A key host factor in ERAD is the valosin-containing protein (VCP), an ATPase which ushers ubiquitin-tagged proteins to degradation by the proteasome. VCP exhibits different proviral activities, such as engaging in the biogenesis of viral replication organelles and facilitating flavivirus genome uncoating after the viral particle entry. To investigate the possible antiviral value of drugs targeting VCP, we tested two inhibitors: eeyarestatin I (EEY) and xanthohumol (XAN). Both compounds were highly effective in suppressing Zika virus (ZIKV) and Usutu virus (USUV) replication during infection in cell culture. Further analysis revealed an unexpected virucidal activity for EEY, but not for XAN. Preincubation of ZIKV or USUV with EEY before inoculation to cells resulted in significant decreases in infectivity in a dose- and time-dependent manner. Viral genomes in samples previously treated with EEY were more sensitive to propidium monoazide, an intercalating agent, with 10- to 100-fold decreases observed in viral RNA levels, supporting that EEY affects viral particle integrity. Altogether, these results support that EEY is a strong virucide against two unrelated flaviviruses, encouraging further studies to investigate its potential use as a broad-acting drug or the development of improved derivatives in the treatment of flaviviral infection.
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Affiliation(s)
- Imanol Rodrigo
- Unidad de Medicina Molecular, Centro Regional de Investigaciones Biomedicas (CRIB), Universidad de Castilla-La Mancha (UCLM), Albacete, Spain; Unidad de Biomedicina, UCLM-CSIC, Albacete, Spain
| | - Carlos Ballesta
- Unidad de Medicina Molecular, Centro Regional de Investigaciones Biomedicas (CRIB), Universidad de Castilla-La Mancha (UCLM), Albacete, Spain; Unidad de Biomedicina, UCLM-CSIC, Albacete, Spain
| | - Eliane Blanco Nunes
- Departamento de Vigilância em Zoonoses, Secretaria Municipal de Saúde Goiânia, Rodovia Go-020 km 08, Val Das Pombas, 75250-000, Goiânia, Goias State, Brazil
| | - Patricia Pérez
- Department of Molecular and Cellular Biology, Centro Nacional de Biotecnologla (CNB), Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain; Centro de Investigacion Biomedica en Red de Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
| | - Juan García-Arriaza
- Department of Molecular and Cellular Biology, Centro Nacional de Biotecnologla (CNB), Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain; Centro de Investigacion Biomedica en Red de Enfermedades Infecciosas (CIBERINFEC), Madrid, Spain
| | - Armando Arias
- Unidad de Medicina Molecular, Centro Regional de Investigaciones Biomedicas (CRIB), Universidad de Castilla-La Mancha (UCLM), Albacete, Spain; Unidad de Biomedicina, UCLM-CSIC, Albacete, Spain; Escuela Técnica Superior de Ingenieros Agrónomos, UCLM, Albacete, Spain.
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Osminkina LA, Agafilushkina SN, Kropotkina EA, Saushkin NY, Bozhev IV, Abramchuk SS, Samsonova JV, Gambaryan AS. Antiviral adsorption activity of porous silicon nanoparticles against different pathogenic human viruses. Bioact Mater 2022; 7:39-46. [PMID: 34179568 PMCID: PMC8215515 DOI: 10.1016/j.bioactmat.2021.06.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 05/15/2021] [Accepted: 06/02/2021] [Indexed: 12/13/2022] Open
Abstract
New viral infections, due to their rapid spread, lack of effective antiviral drugs and vaccines, kill millions of people every year. The global pandemic SARS-CoV-2 in 2019-2021 has shown that new strains of viruses can widespread very quickly, causing disease and death, with significant socio-economic consequences. Therefore, the search for new methods of combating different pathogenic viruses is an urgent task, and strategies based on nanoparticles are of significant interest. This work demonstrates the antiviral adsorption (virucidal) efficacy of nanoparticles of porous silicon (PSi NPs) against various enveloped and non-enveloped pathogenic human viruses, such as Influenza A virus, Poliovirus, Human immunodeficiency virus, West Nile virus, and Hepatitis virus. PSi NPs sized 60 nm with the average pore diameter of 2 nm and specific surface area of 200 m2/g were obtained by ball-milling of electrochemically-etched microporous silicon films. After interaction with PSi NPs, a strong suppression of the infectious activity of the virus-contaminated fluid was observed, which was manifested in a decrease in the infectious titer of all studied types of viruses by approximately 104 times, and corresponded to an inactivation of 99.99% viruses in vitro. This sorption capacity of PSi NPs is possible due to their microporous structure and huge specific surface area, which ensures efficient capture of virions, as confirmed by ELISA analysis, dynamic light scattering measurements and transmission electron microscopy images. The results obtained indicate the great potential of using PSi NPs as universal viral sorbents and disinfectants for the detection and treatment of viral diseases.
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Affiliation(s)
- Liubov A. Osminkina
- Lomonosov Moscow State University, Physics Department, Leninskie Gory 1, 119991, Moscow, Russian Federation
- Institute for Biological Instrumentation of Russian Academy of Sciences, 142290, Pushchino, Moscow Region, Russian Federation
| | - Svetlana N. Agafilushkina
- Lomonosov Moscow State University, Physics Department, Leninskie Gory 1, 119991, Moscow, Russian Federation
| | - Ekaterina A. Kropotkina
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products, Russian Academy of Sciences, 108819, Moscow, Russian Federation
| | - Nikolay Yu Saushkin
- Lomonosov Moscow State University, Physics Department, Leninskie Gory 1, 119991, Moscow, Russian Federation
- Lomonosov Moscow State University, Faculty of Chemistry, Leninskie Gory 1, 119991, Moscow, Russian Federation
| | - Ivan V. Bozhev
- Lomonosov Moscow State University, Physics Department, Leninskie Gory 1, 119991, Moscow, Russian Federation
- Quantum Technology Center, Lomonosov Moscow State University, Physics Department, Leninskie Gory 1, 119991, Moscow, Russian Federation
| | - Sergei S. Abramchuk
- Lomonosov Moscow State University, Physics Department, Leninskie Gory 1, 119991, Moscow, Russian Federation
- A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova 28, 119991, Moscow, Russian Federation
| | - Jeanne V. Samsonova
- Lomonosov Moscow State University, Physics Department, Leninskie Gory 1, 119991, Moscow, Russian Federation
- Lomonosov Moscow State University, Faculty of Chemistry, Leninskie Gory 1, 119991, Moscow, Russian Federation
| | - Alexandra S. Gambaryan
- Institute for Biological Instrumentation of Russian Academy of Sciences, 142290, Pushchino, Moscow Region, Russian Federation
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Walji SD, Bruder MR, Aucoin MG. Virus matrix interference on assessment of virucidal activity of high-touch surfaces designed to prevent hospital-acquired infections. Antimicrob Resist Infect Control 2021; 10:133. [PMID: 34507617 PMCID: PMC8431935 DOI: 10.1186/s13756-021-01001-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Accepted: 08/27/2021] [Indexed: 12/24/2022] Open
Abstract
Objectives/purpose High-touch surfaces are a critical reservoir in the spread of nosocomial infections. Although disinfection and infection control protocols are well developed, they lack the ability to passively reduce the pathogenic load of high-touch surfaces. Copper and its alloys have been suggested as a surface that exhibit continuous biocidal effects. Antimicrobial studies on these surfaces are prevalent, while virucidal studies are not as well explored. The goal of this study was to first determine the virucidal activity of a copper–nickel–zinc alloy and to then examine the effect of soiling and virus preparation on virucidal activity. Methods A baculovirus vector was used as an easily quantifiable model of an infectious enveloped animal cell virus. Droplets containing virus were deposited on surfaces and allowed to stay wet using humidity control or were dried onto the surface. Virus was then recovered from the surface and assayed for infectivity. To examine how the composition of the droplet affected the survival of the virus, 3 different soiling conditions were tested. The first two were recommended by the United States Environmental Protection Agency and the third consisted of cell debris resulting from virus amplification. Results A copper–nickel–zinc alloy was shown to have strong virucidal effects for an enveloped virus. Copper, nickel, and zinc ions were all shown to leach from the alloy surface and are the likely cause of virucidal activity by this surface. Virucidal activity was achieved under moderate soiling but lost under high soiling generated by routine virus amplification procedures. The surface was able to repeatably inactivate dried virus droplets under moderate soiling conditions, but unable to do so for virus droplets kept wet using high humidity. Conclusion Ion leaching was associated with virucidal activity in both wet and dried virus conditions. Soiling protected the virus by quenching metal ions, and not by inhibiting leaching. The composition of the solution containing virus plays a critical role in evaluating the virucidal activity of surfaces and surface coatings.
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Affiliation(s)
- Sadru-Dean Walji
- Department of Chemical Engineering, University of Waterloo, 200 University Ave West, Waterloo, ON, N2L 3G1, Canada
| | - Mark R Bruder
- Department of Chemical Engineering, University of Waterloo, 200 University Ave West, Waterloo, ON, N2L 3G1, Canada
| | - Marc G Aucoin
- Department of Chemical Engineering, University of Waterloo, 200 University Ave West, Waterloo, ON, N2L 3G1, Canada.
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Bentancor M, Fernández S, Viera F, Etcheverry S, Poradosú C, D'Angelo P, Montemuiño H, Mirazo S, Irigoyen Á, Sanabria A, Failache H. LUCIA: An open source device for disinfection of N95 masks using UV-C radiation. HardwareX 2021; 9:e00181. [PMID: 33655088 PMCID: PMC7906873 DOI: 10.1016/j.ohx.2021.e00181] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 02/02/2021] [Accepted: 02/21/2021] [Indexed: 05/16/2023]
Abstract
Faced with a global pandemic such as the one triggered by the SARS-CoV-2 virus, the medical supply chain has been highly demanded. An item in which this manifested itself more clearly, are the N95 masks, designed to be disposable items, in many cases they have had to be reused. In these emergency conditions, it was necessary to apply an effective and safe method that can be used locally. Here a device for disinfection by ultraviolet C light was developed that allows irradiating N95 masks with a known and reproducible dose. Thus being able to apply a safe and effective disinfection method according to existing information. The use of a common model of UV-C lamps and the simple construction of the device allows it to be built at low cost and with widely available materials. The effectiveness of the device was demonstrated against an enveloped RNA virus, characteristics shared with the virus that causes COVID19, being capable of reducing the viral load by 4 orders of magnitude.
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Affiliation(s)
- Marcel Bentancor
- Laboratorio de Biología Molecular Vegetal, Instituto de Química Biológica e Instituto de Biología, Facultad de Ciencias, Universidad de la República, Iguá 4225, 11400 Montevideo, Uruguay
- Corresponding authors.
| | - Sebastián Fernández
- Instituto de Ingeniería Eléctrica, Facultad de Ingeniería, Universidad de la República, J. Herrera y Reissig 565, 11300 Montevideo, Uruguay
| | - Federico Viera
- Escuela Universitaria Centro de Diseño, Facultad de Arquitectura, Diseño y Urbanismo, Universidad de la República, Juan D. Jackson 1325, 11200 Montevideo, Uruguay
| | - Sarita Etcheverry
- Escuela Universitaria Centro de Diseño, Facultad de Arquitectura, Diseño y Urbanismo, Universidad de la República, Juan D. Jackson 1325, 11200 Montevideo, Uruguay
| | - Carolina Poradosú
- Escuela Universitaria Centro de Diseño, Facultad de Arquitectura, Diseño y Urbanismo, Universidad de la República, Juan D. Jackson 1325, 11200 Montevideo, Uruguay
| | - Pablo D'Angelo
- Escuela Universitaria Centro de Diseño, Facultad de Arquitectura, Diseño y Urbanismo, Universidad de la República, Juan D. Jackson 1325, 11200 Montevideo, Uruguay
| | - Hernán Montemuiño
- Escuela Universitaria Centro de Diseño, Facultad de Arquitectura, Diseño y Urbanismo, Universidad de la República, Juan D. Jackson 1325, 11200 Montevideo, Uruguay
| | - Santiago Mirazo
- Sección Virología, Instituto de Química Biológica, Facultad de Ciencias, Universidad de la República, Iguá 4225, 11400 Montevideo, Uruguay
| | | | - Analía Sanabria
- División Laboratorio Ambiental, Dirección Nacional de Medio Ambiente, Ministerio de Ambiente Av., Italia 6201, 11400 Montevideo, Uruguay
| | - Horacio Failache
- Instituto de Física, Facultad de Ingeniería, Universidad de la República, J. Herrera y Reissig 565, 11300 Montevideo, Uruguay
- Corresponding authors.
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Walji SD, Aucoin MG. A critical evaluation of current protocols for self-sterilizing surfaces designed to reduce viral nosocomial infections. Am J Infect Control 2020; 48:1255-1260. [PMID: 32204920 DOI: 10.1016/j.ajic.2020.02.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 02/18/2020] [Accepted: 02/18/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Biocidal high-touch surfaces contact surfaces can be used to help reduce healthcare-acquired infections (HAIs). While the bactericidal protocols are well developed, there remains high variability in the methods used to evaluate the virucidal properties of such surfaces. This paper seeks to identify the most commonly used methods and critically evaluate the strengths of each method by comparing tests from standard testing organisations and related bactericidal protocols. METHODS Three databases and grey literature were queried using a key-word search for relevant articles. Articles were selected if they met the criteria of virucidal properties of self-sterilizing surfaces designed to prevent HAIs. Of the resulting 177 articles, 38 met the inclusion criteria. RESULTS The resulting papers varied greatly in their testing methods and recommendations. Further, no standard test adequately meets the needs for specifically testing virucidal properties of self-sterilizing surfaces. CONCLUSIONS Studies have shown that temperature and humidity can affect the performance of virucidal touch-surfaces, but no standard protocols were found to test these factors.
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Kerry RG, Malik S, Redda YT, Sahoo S, Patra JK, Majhi S. Nano-based approach to combat emerging viral (NIPAH virus) infection. Nanomedicine 2019; 18:196-220. [PMID: 30904587 PMCID: PMC7106268 DOI: 10.1016/j.nano.2019.03.004] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 02/19/2019] [Accepted: 03/11/2019] [Indexed: 12/28/2022]
Abstract
Emergence of new virus and their heterogeneity are growing at an alarming rate. Sudden outburst of Nipah virus (NiV) has raised serious question about their instant management using conventional medication and diagnostic measures. A coherent strategy with versatility and comprehensive perspective to confront the rising distress could perhaps be effectuated by implementation of nanotechnology. But in concurrent to resourceful and precise execution of nano-based medication, there is an ultimate need of concrete understanding of the NIV pathogenesis. Moreover, to amplify the effectiveness of nano-based approach in a conquest against NiV, a list of developed nanosystem with antiviral activity is also a prerequisite. Therefore the present review provides a meticulous cognizance of cellular and molecular pathogenesis of NiV. Conventional as well several nano-based diagnosis experimentations against viruses have been discussed. Lastly, potential efficacy of different forms of nano-based systems as convenient means to shield mankind against NiV has also been introduced.
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Affiliation(s)
- Rout George Kerry
- Post Graduate Department of Biotechnology, Utkal University, Vani Vihar, Bhubaneswar, Odisha, India
| | - Santosh Malik
- Departmentof Life Science, National Institute of Technology, Rourkela, Odisha, India
| | | | - Sabuj Sahoo
- Post Graduate Department of Biotechnology, Utkal University, Vani Vihar, Bhubaneswar, Odisha, India
| | - Jayanta Kumar Patra
- Research Institute of Biotechnology & Medical Converged Science, Dongguk University-Seoul, Goyangsi, Republic of Korea.
| | - Sanatan Majhi
- Post Graduate Department of Biotechnology, Utkal University, Vani Vihar, Bhubaneswar, Odisha, India.
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Janahi EMA, Haque S, Akhter N, Wahid M, Jawed A, Mandal RK, Lohani M, Areeshi MY, Almalki S, Das S, Dar SA. Bioengineered intravaginal isolate of Lactobacillus plantarum expresses algal lectin scytovirin demonstrating anti-HIV-1 activity. Microb Pathog 2018; 122:1-6. [PMID: 29870744 DOI: 10.1016/j.micpath.2018.06.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 05/26/2018] [Accepted: 06/01/2018] [Indexed: 10/14/2022]
Abstract
Efforts to develop preventatives against HIV infection through sexual route have identified, among many, algal lectins as the potent molecules for scaffolding HIV entry inhibition. Algal lectin scytovirin (SVN) from Scytonema varium, a cyanobacterium, has anti-HIV effects with the potential for use in sculpting HIV neutralization. We created a recombinant strain of human vaginal L. plantarum for extracellular expression of recombinant (r)SVN. The rSVN protein containing culture supernatant was analyzed for its binding with HIV-1 gp160, and for inhibiting infection with primary R5 and X4 HIV-1 strains in TZM-bl cells. The rSVN protein extant in recombinant L. plantarum culture supernatant binds to HIV-1 gp160 and reduces the HIV-induced cytopathic effect to nearly 56.67% and 86.47% in R5 and X4 HIV-1 infected TZM-bl cells, respectively. The fortified L. plantarum may be explored for its use as a live virucide in vaginal mucosa of high risk women to prevent HIV entry.
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Affiliation(s)
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing & Allied Health Sciences, University of Jazan, Jazan, Saudi Arabia
| | - Naseem Akhter
- Department of Laboratory Medicine, Faculty of Applied Medical Sciences, Albaha University, Albaha, Saudi Arabia
| | - Mohd Wahid
- Research and Scientific Studies Unit, College of Nursing & Allied Health Sciences, University of Jazan, Jazan, Saudi Arabia
| | - Arshad Jawed
- Research and Scientific Studies Unit, College of Nursing & Allied Health Sciences, University of Jazan, Jazan, Saudi Arabia
| | - Raju Kumar Mandal
- Research and Scientific Studies Unit, College of Nursing & Allied Health Sciences, University of Jazan, Jazan, Saudi Arabia
| | - Mohtashim Lohani
- Department of EMS, College of Applied Medical Sciences, University of Jazan, Jazan, Saudi Arabia
| | - Mohammed Yahya Areeshi
- Research and Scientific Studies Unit, College of Nursing & Allied Health Sciences, University of Jazan, Jazan, Saudi Arabia
| | - Shaia Almalki
- Department of Laboratory Medicine, Faculty of Applied Medical Sciences, Albaha University, Albaha, Saudi Arabia
| | - Shukla Das
- Department of Microbiology, University College of Medical Sciences (University of Delhi) & GTB Hospital, Delhi, India
| | - Sajad Ahmad Dar
- Research and Scientific Studies Unit, College of Nursing & Allied Health Sciences, University of Jazan, Jazan, Saudi Arabia; Department of Microbiology, University College of Medical Sciences (University of Delhi) & GTB Hospital, Delhi, India.
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Chibeu A, Balamurugan S. Application of a Virucidal Agent to Avoid Overestimation of Phage Kill During Phage Decontamination Assays on Ready-to-Eat Meats. Methods Mol Biol 2018; 1681:97-105. [PMID: 29134590 DOI: 10.1007/978-1-4939-7343-9_8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We describe a method for assessing the effectiveness of tea extract based virucide (TeaF) application to remove phage LISTEX™ P100 not bound to Listeria monocytogenes from stomached rinses prior to direct plating and bacterial enumeration, where the phage is being used as a decontaminant to reduce L. monocytogenes levels on ready-to-eat meat.
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Affiliation(s)
- Andrew Chibeu
- Guelph Food Research Centre, Agriculture and Agri-Food Canada, 93 Stone Road West, Guelph, ON, Canada, N1G 5C9.,Agropur Dairy Cooperative, 4600 Armand Frappier, Saint-Hubert, QC, Canada, J3Z 1G5
| | - S Balamurugan
- Agropur Dairy Cooperative, 4600 Armand Frappier, Saint-Hubert, QC, Canada, J3Z 1G5.
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