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Deprecated: Implicit conversion from float 261.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 PLoS+One 2021 ; 16 (3): e0248061 Nephropedia Template TP
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Immuno-informatics design of a multimeric epitope peptide based vaccine targeting SARS-CoV-2 spike glycoprotein #MMPMID33730022
Chukwudozie OS; Gray CM; Fagbayi TA; Chukwuanukwu RC; Oyebanji VO; Bankole TT; Adewole RA; Daniel EM
PLoS One 2021[]; 16 (3): e0248061 PMID33730022show ga
Developing an efficacious vaccine for SARS-CoV-2 infection is critical to stemming COVID-19 fatalities and providing the global community with immune protection. We have used a bioinformatic approach to aid in designing an epitope peptide-based vaccine against the spike protein of the virus. Five antigenic B cell epitopes with viable antigenicity and a total of 27 discontinuous B cell epitopes were mapped out structurally in the spike protein for antibody recognition. We identified eight CD8+ T cell 9-mers and 12 CD4+ T cell 14-15-mer as promising candidate epitopes putatively restricted by a large number of MHC I and II alleles, respectively. We used this information to construct an in silico chimeric peptide vaccine whose translational rate was highly expressed when cloned in pET28a (+) vector. With our In silico test, the vaccine construct was predicted to elicit high antigenicity and cell-mediated immunity when given as a homologous prime-boost, triggering of toll-like receptor 5 by the adjuvant linker. The vaccine was also characterized by an increase in IgM and IgG and an array of Th1 and Th2 cytokines. Upon in silico challenge with SARS-CoV-2, there was a decrease in antigen levels using our immune simulations. We, therefore, propose that potential vaccine designs consider this approach.
|CD4-Positive T-Lymphocytes/immunology[MESH]
|CD8-Positive T-Lymphocytes/immunology[MESH]
|COVID-19 Vaccines/*immunology[MESH]
|COVID-19/immunology[MESH]
|Computational Biology/methods[MESH]
|Cytokines/immunology[MESH]
|Epitopes, B-Lymphocyte/immunology[MESH]
|Epitopes, T-Lymphocyte/*immunology[MESH]
|Histocompatibility Antigens Class I/immunology[MESH]
|Histocompatibility Antigens Class II/immunology[MESH]