Volume 10, Issue 3 (8-2020)                   JABS 2020, 10(3): 2625-2635 | Back to browse issues page

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Torosian G, Salehi M, Houshmand M. Assessment of Cyclin E Gene Amplification as a Biomarker in Isfahan Province Breast Cancer Patients. JABS 2020; 10 (3) :2625-2635
URL: http://jabs.fums.ac.ir/article-1-2078-en.html
1- Nouredanesh Institute of Higher Education, Meymeh, Iran , torosian.goharik@yahoo.com
2- Department of Genetics and Molecular Biology, Isfahan University of Medical Sciences, Isfahan, Iran
3- Genetic Diagnosis Lab, Mendel Genetic Center, Erbil, Iraq
Abstract:   (2552 Views)
Background & Objective: Breast cancer is the most common cancer among women worldwide. Cell-cycle is controlled by regulatory proteins called cyclins and Cyclin-Dependent Kinases. Aberrant activity of cyclins plays an important role in cancer development and progression. The Cyclin E gene, called CCNE1 or pCCNE1, is one of the four cyclins groups of the cell cycle, reported in a variety of cancers as well as breast cancer, and is a notice target in cancer research. In this regard, Cyclin E gene amplification in breast cancer patients was evaluated and investigated and its capacity as a molecular biomarker was assessed.
Materials & Methods: Tumor tissue samples as well as adjacent healthy tissues, were excised and collected from breast cancer patients undergoing surgery in Al-Zahra hospital. Genomic DNA was extracted using phenol-chloroform method. The extracted products concentration was normalized and applied in Real-time PCR technique. Amplification of aforementioned gene was determined by calculating Cts using 2-∆∆Ct method and was evaluated by Wilcoxon statistical test.
Result: The Cyclin E gene amplification in breast cancer tissue was significantly higher than healthy tissue (p = 0.002). Furthermore, the amplification of Cyclin E gene was investigated as a breast cancer biomarker by the ROC curve statistical analysis.
Conclusion: The results revealed, the area under the ROC curve (AUC) was close in 70 percent. As a result, the Cyclin E gene amplification in neoplasm dramatically increases and can be used as a biomarker for the diagnosis and prognosis of breast cancer.
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Type of Study: Research | Subject: Cellular-Molecular Biology
Received: 2019/07/20 | Accepted: 2020/07/8 | Published: 2021/01/26

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