Association Between Amplification and Expression of C-MYC Gene and Clinicopathological Characteristics of Stomach Cancer

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KHALEGHIAN MALIHEA; JAHANZAD ISSA; SHAKOORI ABBAS; EMAMI RAZAVI AMIRNADER; AZIMI CYRUS

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Journal: Iranian Red Crescent Medical Journal Year:2016 | Volume:18 | Issue:2 Page(s): 0-0

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Title

Association Between Amplification and Expression of C-MYC Gene and Clinicopathological Characteristics of Stomach Cancer

Author(s)

Keywords

C-MYC

Chromogenic In Situ hybridization (CISH)

Immunohistochemistry (IHC)

Adenocarcinoma

Stomach

Abstract

Background: The incidence rate of gastric cancer in western countries has shown a remarkable decline in the recent years while it is still the most common cancer among males in Iran. The proto-oncogene MYC, located at 8q24. 1, regulates almost 15% of human genes and is activated in 20% of all tumors. The amplification of MYC and overexpression of its protein product are observed in 15-30% of gastric neoplasias. Objectives: The objective of this study was to find the preferences of Chromogenic In Situ Hybridization (CISH) and Immunohistochemistry (IHC) in diagnosis and prognosis of gastric cancer. Patients and Methods: We studied 102 samples of gastric cancer in Iran and all the patients had undergone primary surgical resection at the Cancer Institute Hospital, Tehran University of Medical Sciences. The CISH and IHC techniques were applied for all our samples. All of the samples had Adenocarcinoma gastric cancer and were selected randomly. Also, the type of study was cross sectional. The sample size was 100 patients. Results: Our data revealed that both diffuse and intestinal types of gastric cancer occurred significantly more in males than females. Our results showed that there was an indication of some correlation between grades and CISH, although the difference was not significant. Our data also showed that CISH positive patients (43%) were more frequent compared to IHC positive patients (14. 7%). There was a correlation between CISH and IHC. These results revealed that there was a significant difference between grades and IHC. There was also no statistical difference between CISH amplification in diffuse and intestinal types. Conclusions: From the results, it could be concluded that for administration of the treatment of Stomach cancer, and progress and prognosis of tumor, which is important for patients and clinicians, the CISH is a better and more feasible test than IHC, in regards to sensitivity and specificity.

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APA: Copy

KHALEGHIAN, MALIHEA, JAHANZAD, ISSA, SHAKOORI, ABBAS, EMAMI RAZAVI, AMIRNADER, & AZIMI, CYRUS. (2016). Association Between Amplification and Expression of C-MYC Gene and Clinicopathological Characteristics of Stomach Cancer. IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ), 18(2), 0-0. SID. https://sid.ir/paper/293429/en

Vancouver: Copy

KHALEGHIAN MALIHEA, JAHANZAD ISSA, SHAKOORI ABBAS, EMAMI RAZAVI AMIRNADER, AZIMI CYRUS. Association Between Amplification and Expression of C-MYC Gene and Clinicopathological Characteristics of Stomach Cancer. IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ)[Internet]. 2016;18(2):0-0. Available from: https://sid.ir/paper/293429/en

IEEE: Copy

MALIHEA KHALEGHIAN, ISSA JAHANZAD, ABBAS SHAKOORI, AMIRNADER EMAMI RAZAVI, and CYRUS AZIMI, “Association Between Amplification and Expression of C-MYC Gene and Clinicopathological Characteristics of Stomach Cancer,” IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ), vol. 18, no. 2, pp. 0–0, 2016, [Online]. Available: https://sid.ir/paper/293429/en

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