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Iranian Journal of Basic Medical Sciences، جلد ۲۴، شماره ۱۱، صفحات ۱۵۴۶-۱۵۵۳
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عنوان انگلیسی Recombinant hemagglutinin of swine H1N1 influenza virus expression in the insect cells: Formulation in Montanide ISA71 adjuvant and the potency studies
چکیده انگلیسی مقاله Objective(s): Influenza is a highly contagious disease, which affects the respiratory system and seasonal influenza is common throughout the world. Influenza vaccination is an effective way to reduce the risk of death and hospitalization. This study aims at the expression of swine recombinant hemagglutinin protein in the baculovirus expression system and it offers a comparison of the immunologic parameters with the commercial vaccine. Materials and Methods: The HA gene from the swine H1N1 strain of the Influenza virus was cloned into the Bac-To-Bac expression system in pFastBAC HTA vector and was transformed into Escherichia coli TOP10 strain. After the confirmation, the vector was transfected into the SF9 insect cell line. The recombinant HA was evaluated by SDS-PAGE and western blot. After formulation in Montanide ISA71 adjuvant, the immunization test was performed comparatively with Alum adjuvant, commercial vaccine in four groups of BALB/c mice, of which one group was control without any vaccination. Two weeks after the last immunization, the antibody response was assessed with HI assay, and experimental mice were challenged with mouse-adapted Influenza A/PR8/34 (H1N1) virus through nasal inhalation. Results: The immunoassay results revealed that the candidate vaccine induced the antibody response as the commercial one did but it did not significantly reduce the mortality rate, body loss, and severe fever. Conclusion: To summarize, the results showed that the recombinant protein with the MontanideTM ISA- 71 adjuvant developed a more appropriate level of immunity than Alum adjuvant, so it might be used as a safe and reliable vaccine against H1N1 virus for further research.
کلیدواژه‌های انگلیسی مقاله Adjuvant, H1N1 subtype, Hemagglutinin, Influenza, Recombinant vaccine
نویسندگان مقاله | Sara Zahmati
Department of Microbiology, Faculty of Advanced science and Technology, Tehran Medical sciences Islamic Azad University, Tehran, Iran


| Morteza Taghizadeh
Department of Research and Development, Razi Vaccine and Serum Research institute, Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran


| Setareh Haghighat
Department of Microbiology, Faculty of Advanced science and Technology, Tehran Medical sciences Islamic Azad University, Tehran, Iran


| Reza Jalali Rad
Production and Research Complex, Pasteur Institute of Iran, Karaj, Iran


| Mehdi Mahdavi
Advanced Therapy Medicinal Product Department, Breast Cancer Research Center, Motamed Cancer Institute, Academic Center for Education, Culture and Research, Tehran, Iran|Recombinant Vaccine Research Center, Tehran University of Medical Sciences, Tehran, Iran|Immunotherapy Group, Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran|Department of Immunology, Pasteur Institute of Iran, Tehran, Iran
نشانی اینترنتی https://ijbms.mums.ac.ir/article_19047.html
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