TFF3 and survivin expressions associate with a lower survival rate in gastric cancer
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Trefoil factor 3 (TFF3) and survivin with functions of inhibiting apoptosis are involved in the gastric cancer by overexpression. The purpose of this study is to examine the expression of TFF3 and survivin in patients’ tissue samples with gastric cancer and analyze the relationship between the protein expression and the different clinical records. By studying the expressions of TFF3 and survivin in gastric cancer through immunohistochemical staining and examining the survival rate via Kaplan–Meier analysis for gastric cancer patients, we found that the TFF3 and survivin positive expressions have a significant relationship with the lower survival rate comparing to that of negative expressions in the analyzed patients (P < 0.05). And moreover, patients with double positive TFF3 and survivin expressions have the lowest survival rate. TFF3 or survivin positive expression correlates with the lymph node metastasis, metastasis, and TNM stages of gastric cancer. Survival analysis indicates that survival rate has a close relationship with the age, tumor histology, tumor differentiation, degree of infiltration, lymph node metastasis, distant metastasis, and TNM stages (P < 0.01). Our data suggest that TFF3 and survivin expressions play a vital role in gastric cancer development, and these two proteins are important markers for prognosis in gastric cancer. Patients with gastric cancer can increase the survival rate through an earlier diagnosis and appropriate treatment.
KeywordsGastric cancer Immunohistochemical staining TFF3 Survivin Prognosis Survival analysis
This research was supported by the funding (Z07020) from the Bureau of Science and Technology of Zhangzhou City, China.
Conflict of interest
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