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Xie E, Ahmad S, Smyth RP, Sieben C. Advanced fluorescence microscopy in respiratory virus cell biology. Adv Virus Res 2023; 116:123-172. [PMID: 37524480 DOI: 10.1016/bs.aivir.2023.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
Respiratory viruses are a major public health burden across all age groups around the globe, and are associated with high morbidity and mortality rates. They can be transmitted by multiple routes, including physical contact or droplets and aerosols, resulting in efficient spreading within the human population. Investigations of the cell biology of virus replication are thus of utmost importance to gain a better understanding of virus-induced pathogenicity and the development of antiviral countermeasures. Light and fluorescence microscopy techniques have revolutionized investigations of the cell biology of virus infection by allowing the study of the localization and dynamics of viral or cellular components directly in infected cells. Advanced microscopy including high- and super-resolution microscopy techniques available today can visualize biological processes at the single-virus and even single-molecule level, thus opening a unique view on virus infection. We will highlight how fluorescence microscopy has supported investigations on virus cell biology by focusing on three major respiratory viruses: respiratory syncytial virus (RSV), Influenza A virus (IAV) and SARS-CoV-2. We will review our current knowledge of virus replication and highlight how fluorescence microscopy has helped to improve our state of understanding. We will start by introducing major imaging and labeling modalities and conclude the chapter with a perspective discussion on remaining challenges and potential opportunities.
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Affiliation(s)
- Enyu Xie
- Nanoscale Infection Biology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Shazeb Ahmad
- Helmholtz Institute for RNA-based Infection Research, Helmholtz Centre for Infection Research, Würzburg, Germany
| | - Redmond P Smyth
- Helmholtz Institute for RNA-based Infection Research, Helmholtz Centre for Infection Research, Würzburg, Germany; Faculty of Medicine, University of Würzburg, Würzburg, Germany
| | - Christian Sieben
- Nanoscale Infection Biology, Helmholtz Centre for Infection Research, Braunschweig, Germany; Institute of Genetics, Technische Universität Braunschweig, Braunschweig, Germany.
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2
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Abstract
The effect of the on-going COVID-19 pandemic on global healthcare systems has underlined the importance of timely and cost-effective point-of-care diagnosis of viruses. The need for ultrasensitive easy-to-use platforms has culminated in an increased interest for rapid response equipment-free alternatives to conventional diagnostic methods such as polymerase chain reaction, western-blot assay, etc. Furthermore, the poor stability and the bleaching behavior of several contemporary fluorescent reporters is a major obstacle in understanding the mechanism of viral infection thus retarding drug screening and development. Owing to their extraordinary surface-to-volume ratio as well as their quantum confinement and charge transfer properties, nanomaterials are desirable additives to sensing and imaging systems to amplify their signal response as well as temporal resolution. Their large surface area promotes biomolecular integration as well as efficacious signal transduction. Due to their hole mobility, photostability, resistance to photobleaching, and intense brightness, nanomaterials have a considerable edge over organic dyes for single virus tracking. This paper reviews the state-of-the-art of combining carbon-allotrope, inorganic and organic-based nanomaterials with virus sensing and tracking methods, starting with the impact of human pathogenic viruses on the society. We address how different nanomaterials can be used in various virus sensing platforms (e.g. lab-on-a-chip, paper, and smartphone-based point-of-care systems) as well as in virus tracking applications. We discuss the enormous potential for the use of nanomaterials as simple, versatile, and affordable tools for detecting and tracing viruses infectious to humans, animals, plants as well as bacteria. We present latest examples in this direction by emphasizing major advantages and limitations.
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Affiliation(s)
- Muqsit Pirzada
- Technical University of Berlin, Faculty of Natural Sciences and Maths, Straße des 17. Juni 124, Berlin 10623, Germany. .,Institute of Materials Science, Faculty of Engineering, Kiel University, Kaiserstr 2, 24143 Kiel, Germany
| | - Zeynep Altintas
- Technical University of Berlin, Faculty of Natural Sciences and Maths, Straße des 17. Juni 124, Berlin 10623, Germany. .,Institute of Materials Science, Faculty of Engineering, Kiel University, Kaiserstr 2, 24143 Kiel, Germany
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3
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Zhang C, Welsher K. Information-Efficient, Off-Center Sampling Results in Improved Precision in 3D Single-Particle Tracking Microscopy. ENTROPY (BASEL, SWITZERLAND) 2021; 23:498. [PMID: 33921987 PMCID: PMC8143542 DOI: 10.3390/e23050498] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 04/19/2021] [Accepted: 04/19/2021] [Indexed: 12/18/2022]
Abstract
In this work, we present a 3D single-particle tracking system that can apply tailored sampling patterns to selectively extract photons that yield the most information for particle localization. We demonstrate that off-center sampling at locations predicted by Fisher information utilizes photons most efficiently. When performing localization in a single dimension, optimized off-center sampling patterns gave doubled precision compared to uniform sampling. A ~20% increase in precision compared to uniform sampling can be achieved when a similar off-center pattern is used in 3D localization. Here, we systematically investigated the photon efficiency of different emission patterns in a diffraction-limited system and achieved higher precision than uniform sampling. The ability to maximize information from the limited number of photons demonstrated here is critical for particle tracking applications in biological samples, where photons may be limited.
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Affiliation(s)
| | - Kevin Welsher
- Department of Chemistry, Duke University, Durham, NC 27708, USA;
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Jamalipour Soufi G, Iravani S. Nanomaterials against pathogenic viruses: greener and sustainable approaches. INORG NANO-MET CHEM 2020. [DOI: 10.1080/24701556.2020.1852252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
| | - Siavash Iravani
- Faculty of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
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Pearson H, Todd EJAA, Ahrends M, Hover SE, Whitehouse A, Stacey M, Lippiat JD, Wilkens L, Fieguth HG, Danov O, Hesse C, Barr JN, Mankouri J. TMEM16A/ANO1 calcium-activated chloride channel as a novel target for the treatment of human respiratory syncytial virus infection. Thorax 2020; 76:64-72. [PMID: 33109690 PMCID: PMC7803913 DOI: 10.1136/thoraxjnl-2020-215171] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 08/27/2020] [Accepted: 09/07/2020] [Indexed: 12/24/2022]
Abstract
Introduction Human respiratory syncytial virus (HRSV) is a common cause of respiratory tract infections (RTIs) globally and is one of the most fatal infectious diseases for infants in developing countries. Of those infected, 25%–40% aged ≤1 year develop severe lower RTIs leading to pneumonia and bronchiolitis, with ~10% requiring hospitalisation. Evidence also suggests that HRSV infection early in life is a major cause of adult asthma. There is no HRSV vaccine, and the only clinically approved treatment is immunoprophylaxis that is expensive and only moderately effective. New anti-HRSV therapeutic strategies are therefore urgently required. Methods It is now established that viruses require cellular ion channel functionality to infect cells. Here, we infected human lung epithelial cell lines and ex vivo human lung slices with HRSV in the presence of a defined panel of chloride (Cl−) channel modulators to investigate their role during the HRSV life-cycle. Results We demonstrate the requirement for TMEM16A, a calcium-activated Cl− channel, for HRSV infection. Time-of-addition assays revealed that the TMEM16A blockers inhibit HRSV at a postentry stage of the virus life-cycle, showing activity as a postexposure prophylaxis. Another important negative-sense RNA respiratory pathogen influenza virus was also inhibited by the TMEM16A-specific inhibitor T16Ainh-A01. Discussion These findings reveal TMEM16A as an exciting target for future host-directed antiviral therapeutics.
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Affiliation(s)
| | | | - Mareike Ahrends
- Fraunhofer Institute for Toxicology and Experimental Medicine, Hanover, Germany
| | | | | | | | - Jonathan D Lippiat
- University of Leeds, Leeds, UK.,School of Biomedical Sciences, University of Leeds, Leeds, UK
| | | | | | - Olga Danov
- Fraunhofer Institute for Toxicology and Experimental Medicine, Hanover, Germany
| | - Christina Hesse
- Fraunhofer Institute for Toxicology and Experimental Medicine, Hanover, Germany
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6
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Liang Z, Li P, Wang C, Singh D, Zhang X. Visualizing the Transport of Porcine Reproductive and Respiratory Syndrome Virus in Live Cells by Quantum Dots-Based Single Virus Tracking. Virol Sin 2019; 35:407-416. [PMID: 31872331 DOI: 10.1007/s12250-019-00187-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 10/09/2019] [Indexed: 01/10/2023] Open
Abstract
Quantum dots (QDs)-based single particle analysis technique enables real-time tracking of the viral infection in live cells with great sensitivity over a long period of time. The porcine reproductive and respiratory syndrome virus (PRRSV) is a small virus with the virion size of 40-60 nm which causes great economic losses to the swine industry worldwide. A clear understanding of the viral infection mechanism is essential for the development of effective antiviral strategies. In this study, we labeled the PRRSV with QDs using the streptavidin-biotin labeling system and monitored the viral infection process in live cells. Our results indicated that the labeling method had negligible effect on viral infectivity. We also observed that prior to the entry, PRRSV vibrated on the plasma membrane, and entered the cells via endosome mediated cell entry pathway. Viruses moved in a slow-fast-slow oscillatory movement pattern and finally accumulated in a perinuclear region of the cell. Our results also showed that once inside the cell, PRRSV moved along the microtubule, microfilament and vimentin cytoskeletal elements. During the transport process, virus particles also made contacts with non-muscle myosin heavy chain II-A (NMHC II-A), visualized as small spheres in cytoplasm. This study can facilitate the application of QDs in virus infection imaging, especially the smaller-sized viruses and provide some novel and important insights into PRRSV infection mechanism.
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Affiliation(s)
- Zhenpu Liang
- College of Life Sciences, Key Laboratory of Enzyme Engineering of Agricultural Microbiology (Ministry of Agriculture), Henan Agricultural University, Zhengzhou, 450000, China
| | - Pengjuan Li
- College of Life Sciences, Key Laboratory of Enzyme Engineering of Agricultural Microbiology (Ministry of Agriculture), Henan Agricultural University, Zhengzhou, 450000, China
| | - Caiping Wang
- College of Life Sciences, Key Laboratory of Enzyme Engineering of Agricultural Microbiology (Ministry of Agriculture), Henan Agricultural University, Zhengzhou, 450000, China
| | - Deepali Singh
- School of Biotechnology, Gautam Buddha University, Greater Noida, 201312, India
| | - Xiaoxia Zhang
- College of Life Sciences, Key Laboratory of Enzyme Engineering of Agricultural Microbiology (Ministry of Agriculture), Henan Agricultural University, Zhengzhou, 450000, China.
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Ratnatilaka Na Bhuket P, Luckanagul JA, Rojsitthisak P, Wang Q. Chemical modification of enveloped viruses for biomedical applications. Integr Biol (Camb) 2019; 10:666-679. [PMID: 30295307 DOI: 10.1039/c8ib00118a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The unique characteristics of enveloped viruses including nanometer size, consistent morphology, narrow size distribution, versatile functionality and biocompatibility have attracted attention from scientists to develop enveloped viruses for biomedical applications. The biomedical applications of the viral-based nanoparticles include vaccine development, imaging and targeted drug delivery. The modification of the structural elements of enveloped viruses is necessary for the desired functions. Here, we review the chemical approaches that have been utilized to develop bionanomaterials based on enveloped viruses for biomedical applications. We first provide an overview of the structures of enveloped viruses which are composed of nucleic acids, structural and functional proteins, glycan residues and lipid envelope. The methods for modification, including direct conjugation, metabolic incorporation of functional groups and peptide tag insertion, are described based on the biomolecular types of viral components. Layer-by-layer technology is also included in this review to illustrate the non-covalent modification of enveloped viruses. Then, we further elaborate the applications of chemically-modified enveloped viruses, virus-like particles and viral subcomponents in biomedical research.
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Affiliation(s)
- Pahweenvaj Ratnatilaka Na Bhuket
- Biomedicinal Chemistry Program, Department of Biochemistry and Microbiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Phayathai Road, Patumwan, Bangkok, 10330, Thailand
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Donahue ND, Acar H, Wilhelm S. Concepts of nanoparticle cellular uptake, intracellular trafficking, and kinetics in nanomedicine. Adv Drug Deliv Rev 2019; 143:68-96. [PMID: 31022434 DOI: 10.1016/j.addr.2019.04.008] [Citation(s) in RCA: 488] [Impact Index Per Article: 97.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 04/14/2019] [Accepted: 04/19/2019] [Indexed: 12/12/2022]
Abstract
Nanoparticle-based therapeutics and diagnostics are commonly referred to as nanomedicine and may significantly impact the future of healthcare. However, the clinical translation of these technologies is challenging. One of these challenges is the efficient delivery of nanoparticles to specific cell populations and subcellular targets in the body to elicit desired biological and therapeutic responses. It is critical for researchers to understand the fundamental concepts of how nanoparticles interact with biological systems to predict and control in vivo nanoparticle transport for improved clinical benefit. In this overview article, we review and discuss cellular internalization pathways, summarize the field`s understanding of how nanoparticle physicochemical properties affect cellular interactions, and explore and discuss intracellular nanoparticle trafficking and kinetics. Our overview may provide a valuable resource for researchers and may inspire new studies to expand our current understanding of nanotechnology-biology interactions at cellular and subcellular levels with the goal to improve clinical translation of nanomedicines.
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Affiliation(s)
- Nathan D Donahue
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma 73019, United States
| | - Handan Acar
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma 73019, United States; Stephenson Cancer Center, Oklahoma City, Oklahoma 73104, United States.
| | - Stefan Wilhelm
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma 73019, United States; Stephenson Cancer Center, Oklahoma City, Oklahoma 73104, United States.
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Real-time analysis of quantum dot labeled single porcine epidemic diarrhea virus moving along the microtubules using single particle tracking. Sci Rep 2019; 9:1307. [PMID: 30718724 PMCID: PMC6362069 DOI: 10.1038/s41598-018-37789-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 12/11/2018] [Indexed: 01/27/2023] Open
Abstract
In order to study the infection mechanism of porcine epidemic diarrhea virus (PEDV), which causes porcine epidemic diarrhea, a highly contagious enteric disease, we combined quantum dot labeled method, which could hold intact infectivity of the labeled viruses to the largest extent, with the single particle tracking technique to dynamically and globally visualize the transport behaviors of PEDVs in live Vero cells. Our results were the first time to uncover the dynamic characteristics of PEDVs moving along the microtubules in the host cells. It is found that PEDVs kept restricted motion mode with a relatively stable speed in the cell membrane region; while performed a slow-fast-slow velocity pattern with different motion modes in the cell cytoplasm region and near the microtubule organizing center region. In addition, the return movements of small amount of PEDVs were also observed in the live cells. Collectively, our work is crucial for understanding the movement mechanisms of PEDV in the live cells, and the proposed work also provided important references for further analysis and study on the infection mechanism of PEDVs.
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Zhang LJ, Xia L, Xie HY, Zhang ZL, Pang DW. Quantum Dot Based Biotracking and Biodetection. Anal Chem 2018; 91:532-547. [DOI: 10.1021/acs.analchem.8b04721] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Li-Juan Zhang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Luojia Hill, Wuhan 430072, P.R. China
| | - Li Xia
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Luojia Hill, Wuhan 430072, P.R. China
| | - Hai-Yan Xie
- School of Life Science, Beijing Institute of Technology, Beijing 100081, P.R. China
| | - Zhi-Ling Zhang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Luojia Hill, Wuhan 430072, P.R. China
| | - Dai-Wen Pang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Luojia Hill, Wuhan 430072, P.R. China
- College of Chemistry, Nankai University, 94 Weijin Road, Tianjin 300071, P.R. China
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Turi KN, Shankar J, Anderson LJ, Rajan D, Gaston K, Gebretsadik T, Das SR, Stone C, Larkin EK, Rosas-Salazar C, Brunwasser SM, Moore ML, Peebles RS, Hartert TV. Infant Viral Respiratory Infection Nasal Immune-Response Patterns and Their Association with Subsequent Childhood Recurrent Wheeze. Am J Respir Crit Care Med 2018; 198:1064-1073. [PMID: 29733679 PMCID: PMC6221572 DOI: 10.1164/rccm.201711-2348oc] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 05/07/2018] [Indexed: 02/06/2023] Open
Abstract
RATIONALE Recurrent wheeze and asthma are thought to result from alterations in early life immune development following respiratory syncytial virus (RSV) infection. However, prior studies of the nasal immune response to infection have assessed only individual cytokines, which does not capture the whole spectrum of response to infection. OBJECTIVES To identify nasal immune phenotypes in response to RSV infection and their association with recurrent wheeze. METHODS A birth cohort of term healthy infants born June to December were recruited and followed to capture the first infant RSV infection. Nasal wash samples were collected during acute respiratory infection, viruses were identified by RT-PCR, and immune-response analytes were assayed using a multianalyte bead-based panel. Immune-response clusters were identified using machine learning, and association with recurrent wheeze at age 1 and 2 years was assessed using logistic regression. MEASUREMENTS AND MAIN RESULTS We identified two novel and distinct immune-response clusters to RSV and human rhinovirus. In RSV-infected infants, a nasal immune-response cluster characterized by lower non-IFN antiviral immune-response mediators, and higher type-2 and type-17 cytokines was significantly associated with first and second year recurrent wheeze. In comparison, we did not observe this in infants with human rhinovirus acute respiratory infection. Based on network analysis, type-2 and type-17 cytokines were central to the immune response to RSV, whereas growth factors and chemokines were central to the immune response to human rhinovirus. CONCLUSIONS Distinct immune-response clusters during infant RSV infection and their association with risk of recurrent wheeze provide insights into the risk factors for and mechanisms of asthma development.
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Affiliation(s)
- Kedir N. Turi
- Division of Allergy, Pulmonary, and Critical Care Medicine and
| | - Jyoti Shankar
- Infectious Disease Group, J. Craig Venter Institute, Rockville, Maryland; and
| | | | - Devi Rajan
- Department of Pediatrics, Emory University, Atlanta, Georgia
| | - Kelsey Gaston
- Department of Pediatrics, Emory University, Atlanta, Georgia
| | | | - Suman R. Das
- Division of Infectious Diseases, Department of Medicine
- Infectious Disease Group, J. Craig Venter Institute, Rockville, Maryland; and
| | - Cosby Stone
- Division of Allergy, Pulmonary, and Critical Care Medicine and
| | - Emma K. Larkin
- Division of Allergy, Pulmonary, and Critical Care Medicine and
| | | | | | - Martin L. Moore
- Department of Pediatrics, Emory University, Atlanta, Georgia
| | | | - Tina V. Hartert
- Division of Allergy, Pulmonary, and Critical Care Medicine and
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Yang XX, Li CM, Li YF, Wang J, Huang CZ. Synergistic antiviral effect of curcumin functionalized graphene oxide against respiratory syncytial virus infection. NANOSCALE 2017; 9:16086-16092. [PMID: 29034936 DOI: 10.1039/c7nr06520e] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The diseases attributable to viruses remain a global burden. The respiratory syncytial virus (RSV), which is considered as the major viral pathogen of the lower respiratory tract of infants, has been implicated in severe lung disease. In this contribution, we developed a β-cyclodextrin (CD) functionalized graphene oxide (GO) composite, which displayed excellent antiviral activity and could load curcumin efficiently. RSV, a negative-sense single-stranded enveloped RNA virus, was employed as a model virus to investigate the antiviral activity of multifunctional GO. Proved by the tissue culture infectious dose assay and immunofluorescence assay, the curcumin loaded functional GO was confirmed with highly efficient inhibition for RSV infection and great biocompatibility to the host cells. The results showed that the composite could prevent RSV from infecting the host cells by directly inactivating the virus and inhibiting the viral attachment, and possessed prophylactic and therapeutic effects towards the virus. Our data indicate that the composite may provide new insights into antiviral therapy for RSV infection.
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Affiliation(s)
- Xiao Xi Yang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Science, Southwest University, Chongqing 400715, China.
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