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Tytuł:
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Computational formulation and immune dynamics of a multi-peptide vaccine candidate against Crimean-Congo hemorrhagic fever virus.
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Autorzy:
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Khan MSA; Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia, 7003, Bangladesh.
Nain Z; Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia, 7003, Bangladesh.
Syed SB; Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia, 7003, Bangladesh.
Abdulla F; Department of Statistics, Faculty of Sciences, Islamic University, Kushtia, 7003, Bangladesh.
Moni MA; WHO Collaborating Centre on eHealth, UNSW Digital Health, School of Public Health and Community Medicine, Faculty of Medicine, UNSW, Sydney, Australia.
Sheam MM; Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia, 7003, Bangladesh.
Karim MM; Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia, 7003, Bangladesh. Electronic address: .
Adhikari UK; School of Medicine, Western Sydney University, Campbelltown, NSW, 2560, Australia. Electronic address: .
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Źródło:
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Molecular and cellular probes [Mol Cell Probes] 2021 Feb; Vol. 55, pp. 101693. Date of Electronic Publication: 2020 Dec 31.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Original Publication: London ; New York : Academic Press, c1987-
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MeSH Terms:
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Computational Biology*
Hemorrhagic Fever Virus, Crimean-Congo/*immunology
Vaccines, Subunit/*immunology
Antigens, Viral/immunology ; Codon/genetics ; Computer Simulation ; Disulfides/metabolism ; Epitopes, B-Lymphocyte/immunology ; Epitopes, T-Lymphocyte/immunology ; Glycoproteins/immunology ; Humans ; Immunity ; Models, Molecular ; Protein Structure, Secondary ; Protein Structure, Tertiary ; Reproducibility of Results ; Toll-Like Receptor 2/chemistry ; Toll-Like Receptor 2/immunology ; Toll-Like Receptor 2/metabolism ; Vaccines, Subunit/chemistry
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Contributed Indexing:
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Keywords: Crimean-Congo hemorrhagic fever; Immunoinformatics; Molecular docking; Multiepitope vaccine
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Substance Nomenclature:
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0 (Antigens, Viral)
0 (Codon)
0 (Disulfides)
0 (Epitopes, B-Lymphocyte)
0 (Epitopes, T-Lymphocyte)
0 (Glycoproteins)
0 (Toll-Like Receptor 2)
0 (Vaccines, Subunit)
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Entry Date(s):
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Date Created: 20210103 Date Completed: 20210923 Latest Revision: 20210923
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Update Code:
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20240105
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DOI:
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10.1016/j.mcp.2020.101693
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PMID:
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33388416
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The sole objective of this research is to devise an epitope-based vaccine candidate as prophylaxis for the Crimean-Congo hemorrhagic fever virus (CCHFV) using the knowledge of immunoinformatics and structural biology. Importantly, CCHFV outbreaks have increased in several countries resulting in increased mortality up to 40% due to the lack of prospective medication and an efficient vaccine. In this study, we have used several immunoinformatic tools and servers to anticipate potent B-cell and T-cell epitopes from the CCHFV glycoprotein with the highest antigenicity. After a comprehensive evaluation, a vaccine candidate was designed using 6 CD8 + , 3 CD4 + , and 7 B-cell epitopes with appropriate linkers. To enhance the vaccine's efficiency, we added Mycobacterium tuberculosis lipoprotein LprG (Rv1411c) to the vaccine as an adjuvant. The final construct was composed of a total of 468 amino acid residues. The epitope included in the construct showed 98% worldwide population coverage. Importantly, the construct appeared as antigenic, immunogenic, soluble, and non-allergenic in nature. To explore further, we modelled the three-dimensional (3D) structure of the constructed vaccine. Our chimeric vaccine showed stable and strong interactions for toll-like receptor 2 (TLR2) found on the cell surface. Moreover, the dynamics simulation of immune response showed elevated levels of cellular immune activity and faster clearance of antigen from the body upon repetitive exposure. Finally, the optimized codon (CAI≈1) ensured the marked translation efficiency of the vaccine protein in E. coli strain K12 bacterium followed by the insertion of construct DNA into the cloning vector pET28a (+). We believe that the designed vaccine chimera could be useful in vaccine development to fight CCHFV outbreaks.
(Copyright © 2020 Elsevier Ltd. All rights reserved.)
