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Immunoinformatics for Novel Multi-Epitope Vaccine Development in Canine Parvovirus Infections
Bashudeb Paul1, Jahangir Alam2, Mridha Md Kamal Hossain2
1Department of Anatomy and Histology, Faculty of Veterinary, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet 3100, Bangladesh.
Biomedicines
|August 26, 2023
Summary
A novel multi-epitope vaccine targeting canine parvovirus (CPV-2) was designed using in silico methods. This potential vaccine, targeting the VP2 protein, shows promise for preventing canine parvoviral enteritis in dogs.
Area of Science:
- Veterinary immunology
- Bioinformatics
- Vaccine development
Background:
- Canine parvovirus (CPV-2) causes severe hemorrhagic enteritis in dogs, posing a global threat despite widespread vaccination.
- The CPV-2 vaccine is a core recommendation, yet the virus remains a significant pathogen.
Purpose of the Study:
- To design a novel multi-epitope vaccine candidate against CPV-2 using in silico immunoinformatics approaches.
- To identify conserved regions and epitopes of the CPV-2 VP2 protein for vaccine development.
Main Methods:
- In silico screening of CPV-2 VP2 protein sequences for antigenicity, allergenicity, and toxicity.
- Epitope prediction, molecular docking with dog leukocyte antigen (DLA) molecules, and simulation.
- Construction of a multi-epitope vaccine candidate incorporating epitopes, adjuvants (FliC), and linkers, followed by codon adaptation and in silico cloning.
Main Results:
- Ten conserved epitopes from the CPV-2 VP2 protein were identified and selected.
- The designed vaccine construct demonstrated high binding affinity with DLA molecules.
- In silico analysis confirmed the vaccine candidate's potential for expression in *E. coli* K12 and showed no similarity to canine proteins.
Conclusions:
- The in silico designed multi-epitope vaccine construct shows potential for preventing canine parvoviral enteritis.
- Further in vitro and in vivo studies are required to validate the efficacy of this novel vaccine candidate.
