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Pathol Res Pract. 2013 Aug;209(8):479-85. doi: 10.1016/j.prp.2013.04.017. Epub 2013 Jun 7.

Significance of TFF3 protein and Her-2/neu status in patients with gastric adenocarcinoma.

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  • 1Department of Oncology, The Affiliated Hospital of Medical College, Qingdao University, 16 Jiangsu Road, Qingdao 266003, China.


Increased knowledge of molecular alterations involved in gastric carcinogenesis has provided useful information for diagnosis and prediction. In this study, we investigated the clinicopathological significance of TFF3 expression and Her-2/neu status in gastric adenocarcinoma and explored the correlation between TFF3 expression and Her-2/neu status. A hundred and twenty-six (126) patients having undergone curative gastrectomy were enrolled. Immunohistochemistry for TFF3 was performed on tumor tissues and non-neoplastic resection margins. Her-2/neu status was assessed by immunohistochemical staining and fluorescence in situ hybridization (FISH) on tumor tissues. As a result, TFF3 expression and Her-2/neu positivity were detected in 46.8% and 11.9% of the cases, respectively. Patients with negative TFF3 exhibited longer survival than the positive group (P=0.0142), while patients with positive Her-2/neu only showed a tendency toward longer overall survival (P>0.05). However, Her-2/neu was significantly associated with improved disease-free survival (P=0.0234). Multivariate analysis demonstrated Her-2/neu and TFF3 to be independent prognostic indicators of recurrence, and a significantly poor prognosis for expression of TFF3 in patients with Her-2/neu negative tumors. TFF3 is an independent indicator for overall survival in gastric cancer, while Her-2/neu, as a marker of long time survival prediction, seems to be limited.


Gastric cancer; Her-2/neu; Prognosis; TFF3

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