Original Article

The Evaluation of S100A12 protein expression in patients with gastric cancer and its diagnostic significance

katayoon haddadian

katayoon haddadian
Department of Pathology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran.. Email: katyhad@ymail.com
Online First: April 03, 2019 | Cite this Article
haddadian, k. 2019. The Evaluation of S100A12 protein expression in patients with gastric cancer and its diagnostic significance. The Cancer Press 5(1, 2, 3, 4): 1-14. DOI:10.15562/tcp.71


Introduction: The S100 protein family plays an important role as biomarker in several types of tumors. One of the family members is the S100A12 protein, recently known as a new marker in tumorigenicity and gastric cancer research. Considering the diagnostic importance of S100A12 and the relatively high prevalence of gastric cancer in Iran, this study aimed at examining the expression of S100A12 in the tissues of such patients.

Method: The expression of S100A12 in 79 Gastric Cancer patients was examined using immunohistochemistry in tumor tissue cells, and 50 non-tumor samples were selected for comparison with tumor tissues. Data analysis was conducted using SPSS v16 and chi-square test with a confidence interval of 95 percent.

Results: The results showed that there was a significant difference between tumor tissues and non-tumor tissues with regard to the expression of S100A12 protein, with tumor cells showing significantly lower expression. Based on clinicopathologic results, S100A12 protein indicated a negative correlation with tumor dimensions, tumor invasion depth, metastasis stage of tumor, and no significant correlation with other clinicopathologic features, like age, sex and metastasis to lymph nodes.

Conclusion: The results showed that the low expression of S100A12 as a new marker was associated with tumor formation and Gastric Cancer progression.


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