ArticleAdvanced biomedical research2015
Study of C-MYC amplification and expression in Iranian gastric cancer samples using CISH and IHC methods.
Article in Advanced biomedical research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 4 citations in OpenAlex.
- Chromogenic In Situ Hybridization (CISH) as a Method for Detection of C-Myc Amplification in Formalin-Fixed Paraffin-Embedded Tumor Tissue: An Update.Methods in molecular biology (Clifton, N.J.) · 2021Article
- Correlations of TNM staging and lymph node metastasis of gastric cancer with MRI features and VEGF expression.Cancer biomarkers : section A of Disease markers · 2018Article
- Validation of an automated chromogenic in situ hybridization protocol for detection of cytomegalovirus in formalin-fixed, paraffin-embedded renal graft biopsies.Jornal brasileiro de nefrologiaArticle
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Authors and funding
5 authors at 2 institutions in 1 country.
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Abstract
backgroundGastric cancer is the fourth most frequent malignancy and the second cause of cancer-related mortality worldwide. It has been suggested that in gastric carcinogenesis, the C-MYC gene has an important function. The objective of this study is to establish the preference of Chromogenic in situ hybridization (CISH) and Immunohistochemistry (IHC) in the diagnosis and prognosis of gastric cancer. MATERIALS AND
methodsSamples comprised of 50 randomly selected patients of whom 40 were male and 10 female. To evaluate the MYC copy number and its protein expression, CISH and IHC analyses were performed for 50 gastric adenocarcinomas, in Iran.
resultsThe location of the tumor in 64% of the patients was the fundus, and in 72% of patients, the tumors were of a diffuse type; 22 samples showed no amplification, and 28 samples were with amplification. MYC immunoreactivity was observed in 13 samples. Twelve samples showed both MYC amplification and MYC immunoreactivity. In addition, among the 28 CISH+ samples, 12 samples had positive signals for IHC and 16 samples had negative signals for IHC. A majority of the IHC-negative patients had no amplification, but only one patient with IHC positive had no amplification.
conclusionOur conclusion was that for the management and treatment of gastric cancer, and for special attention of clinicians, for prognosis and tumor progression, the CISH was a better and more feasible test than IHC, in regard to the sensitivity and specificity.
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