Background: Gastric cancer is an invasive cancer, which is usually diagnosed in advanced stages. However, the markers affecting its progression, and invasion are of great importance in its diagnosis and treatment. The current research aimed to study the correlation of genes that contributed to epithelial-mesenchymal transition (EMT), Mest1, and GjA1, with some clinicopathological specifications in gastric cancer patients to better comprehend the functions of these genes in this tumor. Materials and Methods: RNA was extracted from the tumor, and normal tissues and cDNA were synthesized. Then, by designing specific primers for Gja1 and Mest1 genes, their expressions were studied by RT-PCR. The data was analyzed by GraphPad Prism 8 software. Results: Significant differences among the expressions of mentioned genes associated with clinicopathological variables of gastric cancer patients, including tumor size, grade, stage, metastasis, and lymphatic invasion were seen. Conclusion: The obtained data showed the important role of EMT-related genes, Gja1 and Mest1 in the clinical progression of the tumor. Further studies with larger sample sizes are required to confirm these genes as biomarker candidates for detecting gastric cancer.
Keywords: Cancer; Expression; Gastric; Gene; GjA1; Mest1.
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