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Multi-epitope peptide vaccines targeting dengue virus serotype 2 created via immunoinformatic analysis
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Multi-epitope peptide vaccines targeting dengue virus serotype 2 created via immunoinformatic analysis
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Journal Article
Multi-epitope peptide vaccines targeting dengue virus serotype 2 created via immunoinformatic analysis
2024
Overview
The Middle East has witnessed a greater spread of infectious Dengue viruses, with serotype 2 (DENV-2) being the most prevalent form. Through this work, multi-epitope peptide vaccines against DENV-2 that target E and nonstructural (NS1) proteins were generated through an immunoinformatic approach. MHC class I and II and LBL epitopes among NS1 and envelope E proteins sequences were predicted and their antigenicity, toxicity, and allergenicity were investigated. Studies of the population coverage denoted the high prevalence of NS1 and envelope-E epitopes among different countries where DENV-2 endemic. Further, both the CTL and HTL epitopes retrieved from NS1 epitopes exhibited high conservancies’ percentages with other DENV serotypes (1, 3, and 4). Three vaccine constructs were created and the expected immune responses for the constructs were estimated using C-IMMSIM and HADDOCK (against TLR 2,3,4,5, and 7). Molecular dynamics simulation for vaccine construct 2 with TLR4 denoted high binding affinity and stability of the construct with the receptor which might foretell favorable in vivo interaction and immune responses.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ Computational Biology - methods
/ Dengue - prevention & control
/ Dengue Vaccines - immunology
/ DENV-2
/ Epitopes
/ Epitopes, T-Lymphocyte - immunology
/ Humanities and Social Sciences
/ Humans
/ Major histocompatibility complex
/ Molecular Dynamics Simulation
/ Nonstructural protein 1 (NS1)
/ Peptides
/ Science
/ Vaccines
/ Vaccines, Subunit - immunology
