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Sepasi A, Ghafourian M, Taghizadeh M, Mahdavi M. Formulation of Recombinant H1N1 Hemagglutinin in MF59 and Alum Adjuvants: A Comparison of the Vaccines Potency and Efficacy in BALB/C Mice. Viral Immunol 2023; 36:401-408. [PMID: 37504965 DOI: 10.1089/vim.2023.0003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/29/2023] Open
Abstract
In this study, we reported the expression and potency of the recombinant H1N1 hemagglutinin (HA) vaccine as our in-house vaccine in a BALB/c mouse model. Recombinant H1N1 HA was produced in SF9 cell line, purified and formulated in MF59 adjuvant. Experimental mice were injected on days 0 and 14 with MF59-formulated vaccine, alum-based vaccine, and phosphate-buffered saline (PBS). Interleukin (IL)-2, IL-4, and interferon (IFN)-γ were assessed with commercial enzyme-linked immunosorbent assay (ELISA). Antibody responses and cytotoxic T lymphocyte (CTL) activity were assessed by hemagglutination inhibition and granzyme B ELISA, respectively. Moreover, the mice were challenged to show the vaccine efficacy. A considerable rise in IFN-γ and IL-4, as well as IFN-γ/IL-4 ratio, was observed in comparison with the alum-based vaccine and PBS group. Furthermore, our candidate vaccine showed superiority in humoral immune responses and CTL activity versus the alum-based vaccine and PBS group. The challenge showed that the survival rate in the vaccinated groups revealed a significant increase as compared with that in the PBS group. In conclusion, our candidate vaccine showed a robust Th1 response and CTL activity the alum-based vaccine. Moreover, a significant humoral immune response and a higher survival rate were detected in our vaccine as compared with the alum-based vaccine. It seems that the superiority of the MF59-based vaccine is due to the type of vaccine formulation in the candidate vaccine.
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Affiliation(s)
- Aref Sepasi
- Department of Immunology, School of Medicine; Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mehri Ghafourian
- Department of Immunology, School of Medicine; Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Cellular and Molecular Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Morteza Taghizadeh
- Department of Medical Vaccine, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Mehdi Mahdavi
- Advanced Therapy Medicinal Product (ATMP) Department, Breast Cancer Research Center, Motamed Cancer Institute, Academic Center for Education, Culture and Research (ACECR), Tehran, Iran
- Recombinant Vaccine Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Immunotherapy Group, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
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Naseri M, Ziora ZM, Simon GP, Batchelor W. ASSURED‐compliant point‐of‐care diagnostics for the detection of human viral infections. Rev Med Virol 2021. [DOI: 10.1002/rmv.2263] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Mahdi Naseri
- Department of Chemical Engineering Bioresource Processing Research Institute of Australia (BioPRIA) Monash University Clayton VIC Australia
| | - Zyta M Ziora
- Institute for Molecular Bioscience The University of Queensland St Lucia QLD Australia
| | - George P Simon
- Department of Materials Science and Engineering Monash University Clayton VIC Australia
| | - Warren Batchelor
- Department of Chemical Engineering Bioresource Processing Research Institute of Australia (BioPRIA) Monash University Clayton VIC Australia
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3
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Kim CH. Viral Protein Interaction with Host Cells GSLs. GLYCOSPHINGOLIPIDS SIGNALING 2020:53-92. [DOI: 10.1007/978-981-15-5807-8_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
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4
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Li X, Chen Y, Wang X, Peng B, Wu W, Liu H, Sun Y, Tang X, Zheng Q, Fang S. U13 → C13 mutation in the variable region of the NA gene 3′UTR of H9N2 influenza virus influences the replication and transcription of NA and enhances virus infectivity. Virus Genes 2019; 55:440-447. [DOI: 10.1007/s11262-019-01654-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 03/05/2019] [Indexed: 12/31/2022]
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Nguyen NH, Ha TKQ, Choi S, Eum S, Lee CH, Bach TT, Chinh VT, Oh WK. Chemical constituents from Melicope pteleifolia leaves. PHYTOCHEMISTRY 2016; 130:291-300. [PMID: 27374481 DOI: 10.1016/j.phytochem.2016.06.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 06/16/2016] [Accepted: 06/23/2016] [Indexed: 06/06/2023]
Abstract
Five acetophenones bearing spiroketal-hexofuranoside rings, one di-C-glycosidic acetophenone and two benzopyrans, along with 16 known compounds were isolated from the leaves of Melicope pteleifolia. Structures of all the isolates were elucidated using extensive spectroscopic methods, including 1D, 2D-NMR and HRESIMS. All the isolates were also evaluated for their neuraminidase inhibitory activities against H1N1, H9N2, wild-type H1N1 and oseltamivir-resistant H1N1 (H274Y mutation) virus strains. Of the isolates, tamarixetin 3-robinobioside was found to exhibit the strongest enzymatic inhibition (IC50 24.93 ± 3.46, 23.19 ± 5.41, 26.67 ± 5.16 and 40.16 ± 4.50 μM, respectively). Selected candidates, kaempferol 3-robinobioside, kaempferol 3-O-β-d-glucopyranosyl (1 → 2)-α-d-xylopyranoside and tamarixetin 3-robinobioside, also showed moderate reductions in H1N1-induced cytopathic effects on MDCK cells.
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Affiliation(s)
- Ngoc Hieu Nguyen
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 151-742, Republic of Korea
| | - Thi Kim Quy Ha
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 151-742, Republic of Korea
| | - Sangho Choi
- International Biological Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 305-806, Republic of Korea
| | - Sangmi Eum
- International Biological Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 305-806, Republic of Korea
| | - Chul Ho Lee
- International Biological Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 305-806, Republic of Korea
| | - Tran The Bach
- Department of Botany, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, Hanoi, 10307, Viet Nam
| | - Vu Tien Chinh
- Department of Botany, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, Hanoi, 10307, Viet Nam
| | - Won Keun Oh
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, 151-742, Republic of Korea.
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Ha TKQ, Dao TT, Nguyen NH, Kim J, Kim E, Cho TO, Oh WK. Antiviral phenolics from the leaves of Cleistocalyx operculatus. Fitoterapia 2016; 110:135-41. [PMID: 26972228 DOI: 10.1016/j.fitote.2016.03.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 03/02/2016] [Accepted: 03/05/2016] [Indexed: 11/24/2022]
Abstract
During the screening program for anti-influenza agents from medicinal plants, the ethanolic extract of Cleistocalyx operculatus leaves was found to exhibit potential neuraminidase (NA) inhibitory activity. Bioassay-directed fractionation led to the isolation of two new acetophenones (1 and 2) and one new flavanone (3), along with six known compounds (4-9). The structures of all isolated compounds were elucidated using various spectroscopic methods and through comparison with the previous literature. Compounds 6 and 8 exhibited strong enzymatic inhibition on various neuraminidases from different influenza viruses, including H1N1, H9N2, novel H1N1, and oseltamivir-resistant novel H1N1 (H274Y mutation) expressed in HEK293 cells (IC50 values ranging from 5.07 ± 0.94 μM to 9.34 ± 2.52 μM, respectively). Kinetic experiments revealed the non-competitive inhibitory mode of both compounds 6 and 8. Furthermore, these flavonoids reduced the cytopathic effect of the H1N1 virus in MDCK cells. The present study suggests the potential of two flavonoids (6 and 8) as new lead compounds for the development of novel NA inhibitors in the future.
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Affiliation(s)
- Thi Kim Quy Ha
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 151-742, Republic of Korea
| | - Trong Tuan Dao
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 151-742, Republic of Korea
| | - Ngoc Hieu Nguyen
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 151-742, Republic of Korea
| | - Jiwon Kim
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 151-742, Republic of Korea
| | - Eunhee Kim
- Choong Ang Vaccine Laboratory, 59-3 Hwaam-dong, Yuseong-gu, Daejeon 305-348, Republic of Korea
| | - Tae Oh Cho
- Marine Bio Research Center, Department of Life Science, Chosun University, Gwangju 501-759, Republic of Korea
| | - Won Keun Oh
- Korea Bioactive Natural Material Bank, Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 151-742, Republic of Korea.
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Zhao H, Chen Z. Screening of neuraminidase inhibitors from traditional Chinese medicine by transverse diffusion mediated capillary microanalysis. BIOMICROFLUIDICS 2014; 8:052003. [PMID: 25332727 PMCID: PMC4189397 DOI: 10.1063/1.4894162] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Accepted: 08/18/2014] [Indexed: 06/04/2023]
Abstract
A transverse diffusion mediated capillary microanalysis method has been developed for screening of neuraminidase inhibitors from traditional Chinese medicine. The enzyme, substrate and inhibitors were sequentially injected, mixed efficiently by transverse diffusion of laminar flow profiles, then incubated and separated in the same capillary. To enhance the mixing efficiency of reactants, running buffer was injected by alternately applying +5 kPa and -5 kPa at the capillary inlet and the procedure was repeated three times. The capillary electrophoresis (CE) separation conditions and reactants mixing conditions were optimized. Dual-wavelength detection was employed to eliminate the interference with natural compounds. The method has been applied to determine the kinetics constant of neuraminidase and screen 12 compounds from traditional Chinese medicine. Four compounds have been found to be positive for enzyme inhibition. The results are in good agreement with those reported in the literature. The method realized the mixing of substrate and enzyme with identical electrophoretic mobility. This novel CE method was simple, rapid, economic, and fully automated. Therefore, it was appropriate for neuraminidase inhibitors screening and could be extended to other high-throughput screening of active components from traditional Chinese medicine.
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Affiliation(s)
- Haiyan Zhao
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Wuhan University), Ministry of Education, and Wuhan University School of Pharmaceutical Sciences , Wuhan 430071, China
| | - Zilin Chen
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Wuhan University), Ministry of Education, and Wuhan University School of Pharmaceutical Sciences , Wuhan 430071, China
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Xie Y, Huang B, Yu K, Xu W. Further discovery of caffeic acid derivatives as novel influenza neuraminidase inhibitors. Bioorg Med Chem 2013; 21:7715-23. [DOI: 10.1016/j.bmc.2013.10.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Revised: 09/30/2013] [Accepted: 10/17/2013] [Indexed: 11/25/2022]
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9
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Xie Y, Song W, Xiao W, Gu C, Xu W. Inhibitors of influenza viruses replication: a patent evaluation (WO2013019828). Expert Opin Ther Pat 2013; 23:1517-24. [PMID: 23967861 DOI: 10.1517/13543776.2013.831073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
A series of compounds incorporating two aromatic heterocycles were prepared as inhibitors of influenza virus replication in the patent. Some of them presented potent activity against influenza virus in Madin-Darby canine kidney (MDCK) cells and in influenza therapeutic mouse model. These compounds in the patent were also defined to be pharmaceutically acceptable salts and pharmaceutical compositions that were claimed to be useful for treating influenza. In view of the threat of influenza pandemic, it is necessary to discover new anti-influenza drugs. Although there is a lack of essential biological data and the molecular mechanisms are not clear, these compounds with potent antiviral activity stand for a new type of anti-influenza agents and deserve further studies.
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Affiliation(s)
- Yuanchao Xie
- Shandong University, School of Pharmaceutical Sciences, Department of Medicinal Chemistry , 44, West Culture Road, Jinan, Shandong 250012, P. R. China +86 531 88382264 ; +86 531 88382264 ;
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Chamni S, De-Eknamkul W. Recent progress and challenges in the discovery of new neuraminidase inhibitors. Expert Opin Ther Pat 2013; 23:409-23. [DOI: 10.1517/13543776.2013.765861] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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11
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Theoretical analysis of the neuraminidase epitope of the Mexican A H1N1 influenza strain, and experimental studies on its interaction with rabbit and human hosts. Immunol Res 2013; 56:44-60. [DOI: 10.1007/s12026-013-8385-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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12
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Influenza A virus entry inhibitors targeting the hemagglutinin. Viruses 2013; 5:352-73. [PMID: 23340380 PMCID: PMC3564125 DOI: 10.3390/v5010352] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Revised: 01/17/2013] [Accepted: 01/21/2013] [Indexed: 01/13/2023] Open
Abstract
Influenza A virus (IAV) has caused seasonal influenza epidemics and influenza pandemics, which resulted in serious threat to public health and socioeconomic impacts. Until now, only 5 drugs belong to two categories are used for prophylaxis and treatment of IAV infection. Hemagglutinin (HA), the envelope glycoprotein of IAV, plays a critical role in viral binding, fusion and entry. Therefore, HA is an attractive target for developing anti‑IAV drugs to block the entry step of IAV infection. Here we reviewed the recent progress in the study of conformational changes of HA during viral fusion process and the development of HA-based IAV entry inhibitors, which may provide a new choice for controlling future influenza pandemics.
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Liou JS, Liu BR, Martin AL, Huang YW, Chiang HJ, Lee HJ. Protein transduction in human cells is enhanced by cell-penetrating peptides fused with an endosomolytic HA2 sequence. Peptides 2012; 37:273-84. [PMID: 22898256 PMCID: PMC9616647 DOI: 10.1016/j.peptides.2012.07.019] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2012] [Revised: 07/21/2012] [Accepted: 07/23/2012] [Indexed: 11/21/2022]
Abstract
Endocytosis has been proposed as one of the primary mechanisms for cellular entry of cell-penetrating peptides (CPPs) and their cargoes. However, a major limitation of endocytic pathway is entrapment of the CPP-cargo in intracellular vesicles from which the cargo must escape into the cytoplasm to exert its biological activity. Here we demonstrate that a CPP tagged with an endosomolytic fusion peptide derived from the influenza virus hemagglutinin-2 (HA2) remarkably enhances the cytosolic delivery of proteins in human A549 cells. To determine the endosome-disruptive effects, recombinant DNA plasmids containing coding sequences of HA2, CPPs and red fluorescent proteins (RFPs) were constructed. The fusion proteins were purified from plasmid-transformed Escherichia coli, and their effects on protein transduction were examined using live cell imaging and flow cytometry. Our data indicate that endocytosis is the major route for cellular internalization of CPP-HA2-tagged RFP. Mechanistic studies revealed that the fusogenic HA2 peptide dramatically facilitates CPP-mediated protein entry through the release of endocytosed RFPs from endosomes into the cytoplasm. Furthermore, incorporating the HA2 fusion peptide of the CPP-HA2 fusion protein improved cytosolic uptake without causing cytotoxicity. These findings strongly suggest that the CPP-HA2 tag could be an efficient and safe carrier that overcomes endosomal entrapment of delivered therapeutic drugs.
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Affiliation(s)
- Ji-Sing Liou
- Department of Natural Resources and Environmental Studies, National Dong Hwa University, No. 1, Sec. 2, Da-Hsueh Road, Shoufeng, Hualien 97401, Taiwan
- Graduate Institute of Biotechnology, National Dong Hwa University, No. 1, Sec. 2, Da-Hsueh Road, Shoufeng, Hualien 97401, Taiwan
| | - Betty Revon Liu
- Department of Natural Resources and Environmental Studies, National Dong Hwa University, No. 1, Sec. 2, Da-Hsueh Road, Shoufeng, Hualien 97401, Taiwan
- Graduate Institute of Biotechnology, National Dong Hwa University, No. 1, Sec. 2, Da-Hsueh Road, Shoufeng, Hualien 97401, Taiwan
| | - Adam L. Martin
- Department of Biological Sciences and the cDNA Resources Center, Missouri University of Science and Technology, 206 Schrenk Hall, 400 West 11th Street, Rolla, MO 65409-1120, USA
| | - Yue-Wern Huang
- Department of Biological Sciences, Missouri University of Science and Technology, 105 Schrenk Hall, 400 West 11th Street, Rolla, MO 65409-1120, USA
| | - Huey-Jenn Chiang
- Graduate Institute of Biotechnology, National Dong Hwa University, No. 1, Sec. 2, Da-Hsueh Road, Shoufeng, Hualien 97401, Taiwan
| | - Han-Jung Lee
- Department of Natural Resources and Environmental Studies, National Dong Hwa University, No. 1, Sec. 2, Da-Hsueh Road, Shoufeng, Hualien 97401, Taiwan
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Dao TT, Nguyen PH, Won HK, Kim EH, Park J, Won BY, Oh WK. Curcuminoids from Curcuma longa and their inhibitory activities on influenza A neuraminidases. Food Chem 2012. [DOI: 10.1016/j.foodchem.2012.02.015] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Ogata N. Inactivation of influenza virus haemagglutinin by chlorine dioxide: oxidation of the conserved tryptophan 153 residue in the receptor-binding site. J Gen Virol 2012; 93:2558-2563. [PMID: 22933663 DOI: 10.1099/vir.0.044263-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Airborne influenza virus infection of mice can be prevented by gaseous chlorine dioxide (ClO(2)). This study demonstrated that ClO(2) abolished the function of the haemagglutinin (HA) of influenza A virus (H1N1) in a concentration-, time- and temperature-dependent manner. The IC(50) during a 2 min reaction with ClO(2) at 25 °C was 13.7 µM, and the half-life time of HA with 100 µM ClO(2) at 25 °C was 19.5 s. Peptides generated from a tryptic digest of ClO(2)-treated virus were analysed by mass spectrometry. An HA fragment, (150)NLLWLTGK(157) was identified in which the tryptophan residue (W153) was 32 mass units greater than expected. The W153 residue of this peptide, which is derived from the central region of the receptor-binding site of HA, is highly conserved. It was shown that W153 was oxidized to N-formylkynurenine in ClO(2)-treated virus. It was concluded that the inactivation of influenza virus by ClO(2) is caused by oxidation of W153 in HA, thereby abolishing its receptor-binding ability.
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Affiliation(s)
- Norio Ogata
- Research Institute, Taiko Pharmaceutical Co., Ltd, Suita, Osaka 564-0032, Japan
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