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The Combined Expression of Metaplasia Biomarkers Predicts the Prognosis Of Gastric Cancer

Title
The Combined Expression of Metaplasia Biomarkers Predicts the Prognosis Of Gastric Cancer
Authors
Yun-Suhk Suh;Hyuk-Joon Lee;Woo Ho Kim;Han-Kwang Yang;James R. Goldenring;Ki Taek Nam;Min-A Kim;Eun-Jung Jung
Issue Date
2012
Journal Title
Annals of Surgical Oncology
ISSN
1068-9265
Citation
Annals of Surgical Oncology, Vol.19(4) : 1240~1249, 2012
Abstract
BACKGROUND: Our previous study indicated that gene expression profiling of intestinal metaplasia (IM) or spasmolytic polypeptide-expressing metaplasia (SPEM) can identify useful prognostic markers of early-stage gastric cancer, and seven metaplasia biomarkers (MUC13, CDH17, OLFM4, KRT20, LGALS4, MUC5AC, and REG4) were selectively expressed in 17-50% of gastric cancer tissues. We investigated whether the combined expression of these metaplasia biomarkers could predict the prognosis of advanced stage gastric cancer. METHODS: The expression of seven metaplasia biomarkers was evaluated immunohistochemically using tissue microarrays comprised of 450 gastric cancer patients. The clinicopathologic correlations and the prognostic impact were analyzed according to the expression of multiple biomarkers. RESULTS: MUC13, CDH17, LGALS4, and REG4 were significant prognostic biomarkers in univariate analysis. No expression of four markers was found in 56 cases (14.2%); 1 marker was seen in 67 cases (17%), 2 in 106 cases (27%), 3 in 101 cases (25.7%), and 4 in 63 cases (16%). Patients in which two or fewer proteins were expressed (group B) showed younger age, undifferentiated or diffuse type cancer, larger tumor size, larger number of metastatic lymph nodes, and more advanced stage than those in which three or more proteins were expressed (group A). In undifferentiated or stage II/III gastric cancer, the prognosis of group B was significantly poorer than that of group A by multivariate analysis. CONCLUSIONS: The combined loss of expression of multiple metaplasia biomarkers is considered an independent prognostic indicator in undifferentiated or stage II/III gastric cancer.
URI

http://ir.ymlib.yonsei.ac.kr/handle/22282913/89565
DOI
10.1245/s10434-011-2125-1
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Life Science
Yonsei Authors
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