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Iranian Journal of Parasitology، جلد ۱۹، شماره ۱، صفحات ۶۱-۷۴
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عنوان انگلیسی Biochemical Properties and Immunogenic Epitopes of Echinococcus granulosus Glutathione S-Transferase as a Vaccine Target: In-Silico Study
چکیده انگلیسی مقاله Background: The current in silico study was done to determine the primary biochemical features and immunogenic epitopes of Echinococcus granulosus glutathione S-transferase protein as a potential vaccine candidate. Methods: Several web tools were employed to predict physico-chemical properties, antigenicity, allergenicity, solubility, post-translational modification (PTM) sites, subcellular localization, signal peptide, transmembrane domain, secondary and tertiary structure followed by refinement and validations. In addition, B-cell epitopes were predicted and were screened using various web servers, while MHC-binding and CTL epitopes were predicted using IEDB and NetCTL servers, respectively. Results: The protein had 219 residues with a molecular weight of 25.55 kDa and alkaline isoelectric pH (7.5). This protein was stable, thermotolerant (aliphatic index: 78.04) and hydrophilic (GRAVY: -0.440). The predicted antigenicity scores were low and the protein was non-allergenic in nature. There were no transmembrane domain and signal peptide in the sequence. Moreover, several B-cell, MHC-binding and CTL epitopes were found in the EgGST protein, which could be further used in multi-epitope vaccines. Conclusion: Further studies are needed on the development of vaccines in vivo using EgGST alone or in combination with other antigens in the future.
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نویسندگان مقاله | Sasan Khazaei
Department of Parasitology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran


| Abdolhossein Dalimi
Department of Parasitology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran


| Majid Pirestani
Department of Parasitology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran


| Fatemeh Ghaffarifar
Department of Parasitology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
نشانی اینترنتی https://ijpa.tums.ac.ir/index.php/ijpa/article/view/3839
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