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A Novel Multi-Epitope Edible Vaccine Candidate for Newcastle Disease Virus: Approach

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Specialty Biotechnology
Date 2022 Nov 7
PMID 36337069
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Abstract

Background: Newcastle disease, is one of the most important illnesses in the aviculture industry which shows a constant threat. In this case, the vaccine could be considered an important solution to prevent and control this disease. So, the development of a new and more effective vaccine against Newcastle disease is an urgent need. Immune informatics is an important field that provides insight into the experimental procedure and could facilitate the analysis of large amounts of immunological data generated by experimental research and help to design a new vaccine candidate.

Objectives: This study is aimed at bioinformatics to investigate and select the most immunogenic and conserved epitopes derived from F and HN glycoproteins, which play a key role in pathogenesis and immunity. This strategy could cover a wide range of Newcastle disease viruses.

Materials And Method: For expression in both (as an injectable recombinant vaccine candidate) and maize plant (as an edible vaccine candidate) host, two constructs were designed and analyzed separately. Furthermore, the role of LTB as an effective bio-adjuvant for general eliciting of the immune system and simultaneous expressions with those two antigens was evaluated. Hence, here a multimeric recombinant protein with the abbreviation LHN2F from the highly immunogenic part of HN, F and LTB proteins were designed. The synthetic construct was analyzed based on different bioinformatics tools.

Results: The proper immunogenicity and stability of this multimeric fusion protein have been shown by immunoinformatic methods from various servers. To confirm the function of the designed protein, the final molecule was docked to chicken MHC class I using the Pyrex-python 0.8 program. the results of Immune Epitope analysis were confirmed by the docking results between protein and receptor.

Conclusions: ‎The results of structural and immunological computational studies proposed that the protein deduced from this novel construct could act as a vaccine candidate for Newcastle disease virus‎ control and prophylactic.

Citing Articles

Design of a Multi-Epitope Vaccine against the Glycoproteins of Newcastle Disease Virus by Using an Immunoinformatics Approach.

Randriamamisolonirina N, Razafindrafara M, Maminiaina O ACS Omega. 2025; 10(4):4007-4018.

PMID: 39926542 PMC: 11800045. DOI: 10.1021/acsomega.4c09890.


The heterologous expression of novel recombinant protein composed of HN and F moieties of Newcastle disease virus and immunogenicity evaluation in mouse model.

Mozafari A, Rahmani M, Yasini Nasab Y, Shahsavandi S, Jafari M, Salmanian A Iran J Microbiol. 2024; 16(5):655-665.

PMID: 39534294 PMC: 11551657. DOI: 10.18502/ijm.v16i5.16801.

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