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Smad4/Fascin index is highly prognostic in patients with diffuse type EBV-associated gastric cancer

Title
Smad4/Fascin index is highly prognostic in patients with diffuse type EBV-associated gastric cancer
Author
민경환
Keywords
Smad4 protein; Fascin; Prognosis; Adenocarcinoma; Stomach
Issue Date
2018-04
Publisher
ELSEVIER GMBH
Citation
PATHOLOGY RESEARCH AND PRACTICE, v. 214, no. 4, page. 475-481
Abstract
Gastric cancer is a heterogeneous disorder for which predicting clinical outcomes is challenging, although various biomarkers have been suggested. The Smad4 and Fascin proteins are known prognostic indicators of different types of malignancy. Smad4 primarily functions as a key regulator of tumor suppression, whereas Fascin exhibits oncogenic function by enhancing tumor infiltration. A combined marker based on these opposing roles may improve prognostic accuracy in gastric cancer.Smad4 and Fascin expression was assessed in tissue microarrays obtained from 285 primary gastric adenocarcinoma, 201 normal tissue, and 51 metastatic adenocarcinoma samples. A Smad4/Fascin index based on the relative expression of each protein was divided into low- and high-expression groups using receiver operating characteristic curves. We compared normal tissue, primary adenocarcinoma, and metastatic adenocarcinoma in Smad4 and Fascin expression and the differences in clinicopathological findings between low Smad4/Fascin and high Smad4/Fascin expression in gastric adenocarcinoma.High Smad4/Fascin expression was significantly associated with worse outcomes, such as old age, advanced T and N category, large tumor size, high histological grade, lymphatic and vascular invasion, and presence of Epstein-Barr virus (EBV) (all p < 0.05). Univariate and multivariate analyses revealed a significant relationship between disease-free or overall survival and Smad4/Fascin index in diffuse-type or EBV-associated gastric cancer (all p < 0.05).A dual marker system using Smad4 and Fascin may be a reliable indicator for predicting clinical outcomes in patients with diffuse-type or EBV-associated gastric cancer.
URI
https://www.sciencedirect.com/science/article/pii/S0344033817313213?via%3Dihubhttp://repository.hanyang.ac.kr/handle/20.500.11754/118492
ISSN
0344-0338
DOI
10.1016/j.prp.2018.03.017
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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