Journal
SAUDI JOURNAL OF BIOLOGICAL SCIENCES
Volume 29, Issue 4, Pages 3006-3014Publisher
ELSEVIER
DOI: 10.1016/j.sjbs.2022.01.036
Keywords
Epitopes; Newcastle Disease Virus; Paramyxovirus Virus; Vaccine
Categories
Funding
- Higher Education Commission (HEC) [20-11561/NRPU/RD/HEC/2020]
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A multi-epitope vaccine against 26 strains of Newcastle disease virus from Pakistan was designed using immunoinformatic approaches. The vaccine exhibited high immunogenicity, stability, and potential to induce a strong immune response.
Newcastle disease virus (NDV), an avian orthoavulavirus, is a causative agent of Newcastle disease named (NDV), and can cause even the epidemics when disease is not treated. Previously several vaccines based on attenuated and inactivated viruses have been reported which are rendered useless with the passage of time due to versatile changes in viral genome. Therefore, we aimed to develop an effective multi-epitope vaccine against the haemagglutinin neuraminidase (HN) protein of 26 NDV strains from Pakistan through a modern immunoinformatic approaches. As a result, a vaccine chimaera was constructed by combining T-cell and B-cell epitopes with the appropriate linkers and adjuvant. The designed vaccine was highly immunogenic, non-allergen and antigenic; therefore, the potential 3D-structureof multi epitope vaccine was constructed, refined and validated. A molecular docking study of a multiepitope vaccine candidate with the chicken Toll-like receptor-4 indicated successful binding. An In silico immunological simulation was used to evaluate the candidate vaccine's ability to elicit an effective immune response. According to the computational studies, the proposed multiepitope vaccine is physically stable and may induce immune responses whichsuggested it a strong candidate against 26 Newcastle disease virus strains from Pakistan. (C) 2022 The Author(s). Published by Elsevier B.V. on behalf of King Saud University.
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