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Iranian Biomedical Journal، جلد ۱۸، شماره ۱، صفحات ۱-۷
عنوان فارسی ارزیابی ایمنوژنسیته DNA واکسن بیان کننده ژن NS۲ ویروس هپاتیت C در موش C۵۷BL/۶
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عنوان انگلیسی Immunogenicity Evaluation of a DNA Vaccine Expressing the Hepatitis C Virus Non-Structural Protein 2 Gene in C57BL/6 Mice
چکیده انگلیسی مقاله Backgrounds: Most of the hepatitis C virus (HCV) infections elicit poor immune responses and 75% to 85% of cases become chronic therefore, the development of an effective vaccine against HCV is of paramount importance. In this study, we aimed to evaluate co-administration of HCV non-Structural Protein 2 and IL-12 DNA vaccines in C57BL/6 mice. Methods: A plasmid encoding full-length HCV NS2 protein (non-structural protein 2) was generated and used to vaccinate mice. Negative control (an empty expression vector) was also employed to evaluate the background response. To investigate immune responses against vaccine, C57BL/6 mice received three doses of the vaccine with a two-week interval. Cellular immunity was assessed using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide assay for lymphocyte proliferation, lactate dehydrogenase release for cytotoxic T lymphocyte (CTL) activity and cytokine assay. Results: The findings demonstrated that immunization of mice with plasmid expressing HCV NS2 induced CTL response, interferon gamma production, and lymphocyte proliferation compared to negative control. The results also demonstrated that co-administration of IL-12 with the HCV NS2 plasmid induced significantly better immune response in C57BL/6 mice. Conclusion: DNA vaccine encoding HCV NS2 is an effective candidate that can trigger CTL-based immune response against HCV. In addition, the results suggested that combining the DNA vaccine approach with immune stimulatory cytokines may significantly enhance antigen-specific immune responses.
کلیدواژه‌های انگلیسی مقاله Hepatitis C virus (HCV), NS2 protein, DNA vaccine, IL-12
نویسندگان مقاله زهرا گرزین | zahra gorzin


علی اکبر گرزین | ali akbar gorzin


علیجان تبرایی | alijan tabarraei


ناصر بهنامپور | naser behnampour


شیوا ایرنی | shiva irani


امیر قایمی | amir ghaemi


نشانی اینترنتی http://ibj.pasteur.ac.ir/browse.php?a_code=A-10-1-498&slc_lang=en&sid=en
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