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Cd171 Multi-Epitope Peptide Design Based on Immuno-Informatics Approach As a Cancer Vaccine Candidate for Glioblastoma Publisher Pubmed



Mohammadzadeh Hosseini Moghri SAH1 ; Mahmoodi Chalbatani G2 ; Ranjbar M1 ; Raposo C3 ; Abbasian A4
Authors
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Authors Affiliations
  1. 1. Faculty of Biotechnology, Department of Microbial Biotechnology, Amol University of Special Modern Technologies, Amol, Iran
  2. 2. Department of Medical Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Faculdade de Ciencias Farmaceuticas, Universidade Estadual de Campinas (UNICAMP), Campinas, Brazil
  4. 4. Faculty of Basic Sciences, Department of Biology, Semnan University, Semnan, Iran

Source: Journal of Biomolecular Structure and Dynamics Published:2023


Abstract

Glioblastoma (GB) is a common primary malignancy of the central nervous system, and one of the highly lethal brain tumors. GB cells can promote therapeutic resistance and tumor angiogenesis. The CD171 is an adhesion molecule in neuronal cells that is expressed in glioma cells as a regulator of brain development during the embryonic period. CD171 is one of the immunoglobulin-like CAMs (cell adhesion molecules) families that can be associated with prognosis in a variety of human tumors. The multi-epitope peptide vaccines are based on synthetic peptides with a combination of both B-cell epitopes and T-cell epitopes, which can induce specific humoral or cellular immune responses. Moreover, Cholera toxin subunit B (CTB), a novel TLR agonist was utilized in the final construct to polarize CD4+ T cells toward T-helper 1 to induce strong cytotoxic T lymphocytes (CTL) responses. In the present study, several immune-informatics tools were used for analyzing the CD171 sequence and studying the important characteristics of a designed vaccine. The results included molecular docking, molecular dynamics simulation, immune response simulation, prediction and validation of the secondary and tertiary structure, physicochemical properties, solubility, conservancy, toxicity as well as antigenicity and allergenicity of the promising candidate for a vaccine against CD171. The immuno-informatic analyze suggested 12 predicted multi-epitope peptides, whose construction consists of 582 residues long. Therewith, cloning adaptation of the designed vaccine was performed, and eventually sequence was inserted into pET30a (+) vector for the application of the anti-glioblastoma vaccine development. Communicated by Ramaswamy H. Sarma. © 2022 Informa UK Limited, trading as Taylor & Francis Group.
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