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Iranian Journal of Basic Medical Sciences، جلد ۱۹، شماره ۱۱، صفحات ۱۲۳۸-۱۲۴۴
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عنوان انگلیسی Gene therapy based on interleukin-12 loaded chitosan nanoparticles in a mouse model of fibrosarcoma
چکیده انگلیسی مقاله Objective(s): Interleukin-12 (IL-12) as a cytokine has been proved to have a critical role in stimulating the immune system and has been used as immunotherapeutic agents in cancer gene therapy. Chitosan as a polymer, with high ability of binding to nucleic acids is a good candidate for gene delivery since it is biodegradable, biocompatible and non-allergenic polysaccharide. The objective of the present study was to investigate the effects of cells transfected with IL-12 loaded chitosan nanoparticles on the regression of fibrosarcoma tumor cells (WEHI-164) in vivo. Materials and Methods: WEHI-164 tumor cells were transfected with IL-12 loaded chitosan nanoparticles and then were injected subcutaneously to inoculate tumor in BALB/c mice. Tumor volumes were determined and subsequently extracted after mice sacrifice. The immunohistochemistry staining was performed for analysis of Ki-67 expression (a tumor proliferation marker) in tumor masses. The expression of IL-12 and IFN-γ were studied using real-time polymerase chain reaction and immunoblotting. Results: The group treated with IL-12 loaded chitosan nanoparticles indicated decreasing of tumor mass volume (P< 0.001). The results of western blotting and real-time PCR showed that the IL-12 expression was increased in the group. Immunohistochemistry staining indicated that the Ki-67expression was reduced in the group treated with IL-12 loaded chitosan nanoparticles. Conclusion: IL-12 gene therapy using chitosan nanoparticles has therapeutic effects on the regression of tumor masses in fibrosarcoma mouse model.
کلیدواژه‌های انگلیسی مقاله Chitosan, Gene therapy, IL-12, In vivo, Nanoparticle, Tumor
نویسندگان مقاله سعیده رضی soofiyani | saiedeh razi soofiyani
immonuology research center, tabriz university of medical sciences, tabriz, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (Tabriz university of medical sciences)

سمیه حلاج نژادی | somayeh hallaj nezhadi
faculty of pharmacy, tabriz university of medical sciences, tabriz, iran|drug applied research center, tabriz university of medical sciences, tabriz, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (Tabriz university of medical sciences)

فرزانه لطفی پور | farzaneh lotfipour
faculty of pharmacy, tabriz university of medical sciences, tabriz, iran|drug applied research center, tabriz university of medical sciences, tabriz, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (Tabriz university of medical sciences)

اکبر محمد حسینی | akbar mohammad hosseini
immonuology research center, tabriz university of medical sciences, tabriz, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (Tabriz university of medical sciences)

بهزاد برادران | behzad baradaran
immonuology research center, tabriz university of medical sciences, tabriz, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی تبریز (Tabriz university of medical sciences)

نشانی اینترنتی http://ijbms.mums.ac.ir/article_7825.html
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