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Iranian Journal of Pathology، جلد ۱۴، شماره ۴، صفحات ۲۹۹-۳۰۴
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عنوان انگلیسی The Relationship Between Fibroblastic Growth Factor Receptor-1 (FGFR1) Gene Amplification in Triple Negative Breast Carcinomas and Clinicopathological Prognostic Factors
چکیده انگلیسی مقاله Background & Objective: In Triple-Negative Breast Cancers (TNBCs), estrogen receptor (ER), progesterone receptor (PR) and HER2/neu genes are not expressed. Fibroblastic Growth Factor Receptor-1 (FGFR1) gene product is a protein that acts as a receptor of thyrosin kinase. It plays a role in the proliferation, differentiation, and migration of malignant cells. The objective was to evaluate the possible relation between FGFR1 over-expression and amplification in TNBCs and other clinicopathological variables. Methods: In this cross sectional study, purposive sampling was used to collect eighty-four TNBC specimens from mastectomy specimens collected between 2013 and 2017. Tissue microarrays were evaluated for FGFR1 over-expression and amplification respectively by immunohistochemistry (IHC) staining and real time Polymerase Chain Reaction (PCR). The needed clinical and paraclinical information were obtained from patients’ files. To analyze the correlation among prognostic factors, we used a wide range of different statistic methods, namely Chi-square test, independent t-test, Fisher's exact test, and ANOVA. Results: FGFR1 over-expression was found in 15 of the 84 samples (17.9%). FGFR1 gene amplification was observed in 33.3% (28 of 84) of the samples. We found no association between FGFR1 and clinicopathological parameters, including tumor grade, stage, and patient survival (P>0.005). Conclusion: FGFR1 over-expression and amplification may not be related to clinicopathological parameters, namely age, stage, and grade of the cancer not to mention TNBC survival. Using FGFR1 as a prognostic factor in TNBCs requires further study.
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نویسندگان مقاله Amir Hossein Jafarian |
Cancer Molecular Pathology Research Center, Department of Pathology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Melika Kooshki forooshani |
Department of Pathology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Farzane Farzad |
Department of Pathology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Nema Mohamadian Roshan |
Department of Pathology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

نشانی اینترنتی http://ijp.iranpath.org/article_36631_820ee301199347039e370ef20128dbfd.pdf
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