دوره 4، شماره 1 و 2 - ( 2-1396 )
جلد 4 شماره 1 و 2 صفحات 33-29 |
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Mashhadi Abolghasem Shirazi M, Roohvand F, Arashkia A. Preparation and in vivo anti-tumor evaluation of human papillomavirus E7 adjuvanted with Montanide ISA 266 as a vaccine candidate. vacres 2017; 4 (1 and 2) :29-33
URL: http://vacres.pasteur.ac.ir/article-1-105-fa.html
URL: http://vacres.pasteur.ac.ir/article-1-105-fa.html
Preparation and in vivo anti-tumor evaluation of human papillomavirus E7 adjuvanted with Montanide ISA 266 as a vaccine candidate. Vaccine Research. 1396; 4 (1 و 2) :29-33
چکیده: (6611 مشاهده)
Introduction: Human papillomavirus (HPV) 16 E7 protein is expressed constitutively by HPV-infected tumor cells. Mutant versions of E7 are considered as safer candidates for immunotherapy of cervical cancer. Different strategies including formulation with adjuvants are used to induce a potent immune response against antigenic proteins. Methods: In this experimental study, we used Escherichia coli as a host to recombinantly express wild-type E7 and its mutant non-oncogenic form as E7GGG. We formulated both antigens with Montanide ISA 266 adjuvant and evaluated IFN-γ and IL-4 cytokines and antibody levels and also tumor regression in tumor-harboring C57BL/6 mice. Results: It was demonstrated that formulation of E7 and E7GGG antigens with Montanide ISA 266 resulted in a Th2-biased immune response. In the therapeutic mouse model, these formulations resulted in significant tumor regression compared to the control group. Conclusion: The formulation of the wild-type E7 and mutant E7GGG with Montanide ISA 266 might not be an optimal approach to regress TC-1 induced tumor; however, such combinations might be considered as an additive approach for stimulating the immune responses.
نوع مطالعه: Original article |
دریافت: 1396/9/21
دریافت: 1396/9/21
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