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KMID : 0357920120460050429
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Korean Journal of Pathology
2012 Volume.46 No. 5 p.429 ~ p.435
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Expression of MUC1 and MUC4 in Gallbladder Adenocarcinoma
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Kim Su-Mi
Oh Sun-Ju
Huh Bang
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Abstract
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Background : Recent reports have indicated that overexpression of mucin (MUC) 1 and/or MUC4 correlates with the occurrence and progression of extra-hepatobiliary malignancy. In this study, we investigated the expression of MUC1 and MUC4 and their prognostic significance in gallbladder adenocarcinoma.
Methods : We examined 54 surgical gallbladder adenocarcinoma samples by immunohistochemistry for MUC1 and MUC4 expression. Staining was evaluated as a sum score of extent and intensity, dividing the samples into low and high expression groups.
Results : The low expression group for both MUC1 and MUC4 was 10 samples (18.5%), and the high expression group was 44 samples (81.5%). High MUC1 expression was significantly correlated with more differentiated tumors (p=0.033), whereas high expression of MUC4 correlated with negative nodal status (p=0.012). Other pathological features were not correlated with MUC expression. Multivariate cox regression analysis showed that neither MUC1 nor MUC4 expression correlated with survival.
Conclusions : Although there were some correlations found, a prognostic role for either MUC1 or MUC4 expression in gallbladder carcinoma was not identified in this study. Further investigation is required.
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KEYWORD
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MUC1, MUC4, Gallbladder, Adenocarcinoma
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