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International Journal of Pediatrics، جلد ۲، شماره ۲.۳، صفحات ۸۹-۸۹
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عنوان انگلیسی STAT3 as a Key Factor in Tumor Microenvironment and Cancer Stem Cell
چکیده انگلیسی مقاله Background Recent studies revealed that tumor-associated macrophages (TAMs) play a decisive role in the regulation of tumor progression by manipulating tumor oncogenesis, angiogenesis and immune functions within tumor microenvironments. Signal transducer and activator of transcription 3 (STAT3), which is a point of convergence for numerous oncogenic signalling pathways, is constitutively activated both in tumor cells and in immune cells in the tumor microenvironment. TAMs serve as the major components of niche microenvironments regulating cancer stem cell functions. Activation of the Stat3 in TAM caused to cancer stem cell-specific fashion trigger tumorigenesis and anticancer drug resistance in tumor. The main aim of this study is evaluation of stat3 gene expression in tumor microenvironment macrophages. Methods In this study, murine macrophage J774 A.1 cell line was used as a typical mouse macrophage for evaluation of stat3 gene expression in mRNA level. Culture condition followed by DMEM supplemented with 10% fetal bovine serum. Total RNA was extracted and converted to cDNA. PCR was performed by stat3 primers and then gene expression was evaluated by gel electrophoresis. Beta-actin was used as an internal control. Results Gel electrophoresis data was shown stat3 expression in murine J774 A.1 macrophage cell line. Conclusion Previous studies have been shown the ablation of the Stat3 gene in Immune cells in the tumor microenvironment caused to cancer stem cell inactivation. As regards stat3 was expressed in J774 A.1 cell line thus it seems that this cell line can be used for knockdown studies in order to cancer stem cell inactivation. Key words: Cancer Stem Cell, M2 Macrophages,STAT3.
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نویسندگان مقاله زهرا سیدی | zahra seyedi
department of molecular and cell biology; nano and biotechnology research group, faculty of basic sciences, university of mazandaran, babolsar, iran.

سازمان اصلی تایید شده: دانشگاه مازندران (Mazandaran university)

اباصلت حسین زاده کلاگر | abasalt hosseinzadeh colagar
department of molecular and cell biology; nano and biotechnology research group, faculty of basic sciences, university of mazandaran, babolsar, iran.

سازمان اصلی تایید شده: دانشگاه مازندران (Mazandaran university)

محمدرضا جعفری | mohammad reza jaafari
biotechnology research center, nanotechnology research center, school of pharmacy, mashhad university of medical sciences, mashhad, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

محمدرضا هاشم زاده | mohammad reza hashemzadeh
department of cell and molecular research, royesh stem cell biotechnology research center, mashhad, iran.
نشانی اینترنتی http://ijp.mums.ac.ir/article_2763.html
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