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Cell Journal، جلد ۲۱، شماره ۳، صفحات ۳۲۲-۳۳۰
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عنوان انگلیسی Relationship Study of The Verified Human Epidermal Growth Factor Receptor 2 Amplification with Other Tumor Markers and Clinicohistopathological Characteristics in Patients with Invasive Breast Cancer, Using Chromogenic In Situ Hybridization
چکیده انگلیسی مقاله Objective
Human epidermal growth factor receptor 2 (HER-2), as a crucial factor involved in about 20% of breast cancer cases, is one of the most reliable tumor markers to determine prognosis and therapeutic trend of this disease. This marker is generally assessed by immunohistochemistry (IHC) technique. In the cases that result of IHC test cast doubt (+2), the test should be repeated or validated by applying in situ hybridization techniques, like chromogenic in situ hybridization (CISH). In this regard, the goal of current study was to figure out the link between different clinicopathological characteristics of patients suffering from invasive breast cancer, using tumor markers, hormone receptor (HR) and HER-2. Comparing IHC and CISH techniques for evaluating diagnostic value and usefulness of HER-2 were also the other objective of this study.
Materials and Methods
Based on this retrospective study, histological markers of 113 individuals suffering from invasive breast cancer -such as estrogen receptor (ER), progesterone receptor, HER-2 receptor, E-cadherin, CK5/6, vimentin and Ki67 were examined by IHC technique. HER-2 amplification of all patients was also evaluated by CISH. Clinicopathological information of the patients was also extracted from medical documents and their associations with tumor markers were statistically evaluated.
Results
There is a significant relationship between tumor size, CK5/6 and tumor grade with HR status. Similar relationship was observed between HER-2 status and HR status, as well as vascular invasion (P < 0.05). The comparison of HER-2 amplification showed no complete concordance of the result obtained from these two techniques, with score +3.
Conclusion
Since the status of HER-2 is very important in decision making of the treatment process, CISH technique is recommended in the malignant conditions as the primary test, instead of IHC. In this study, we also determined that HER-2 expression is greatly correlated with ER- and PR- status. This might propose a better prognosis for HER-2+ patients.
کلیدواژه‌های انگلیسی مقاله Breast cancer, Chromogenic In Situ Hybridization, HER, 2, Tumor Markers
نویسندگان مقاله Abdolazim Sarli |
Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran

Hossein Mozdarani |
Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran

Nasser Rakhshani |
Firoozgar Hospital, Gastrointestinal and Liver Diseases Research Center, Iran University of Medical Sciences, Tehran, Iran

Sohail Mozdarani |
Cytogenome Medical Genetics Laboratory, Chamran Medical Building, Ale Ahmad Highway, Tehran, Iran

نشانی اینترنتی https://www.celljournal.org/article_250595_bc19910227069c235d3626fdc76bbe92.pdf
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