PMID: 19639217Jul 30, 2009Paper

Expression of MUC1, MUC2, MUC5AC and MUC6 in cholangiocarcinoma: prognostic impact

Oncology Reports
Sin Young ParkWoo Sung Moon


Mucin is a high molecular weight glycoprotein that plays an important role to protect the gastrointestinal tract epithelium. However, in cancer cells and during cancer progression, the expression profile of mucins is altered and expression of some mucins is correlated with prognosis for certain malignancies. The aim of this study was to determine the relationship between the expression of MUC1, MUC2, MUC5AC and MUC6 in cholangiocarcinoma and clinicopathological parameters as well as patient survival. In addition, this study was performed to identify whether immunohistochemical staining for mucins is useful to differentiate cholangiocarcinoma from adenocarcinoma of the pancreas and gallbladder. Immunohistochemical staining for MUC1, MUC2, MUC5AC and MUC6 was performed for 85 cases of cholangiocarcinoma, including 34 cases of intrahepatic cholangiocarcinoma (ICC), 51 cases of extrahepatic cholangiocarcinoma (ECC), 11 cases of gallbladder adenocarcinoma and 14 cases of pancreas adenocarcinoma. For cholangiocarcinomas, positivity of immunohistochemical staining for MUC1, MUC2, MUC5AC and MUC6 was 65.8, 23.5, 61.1 and 14.1%, respectively. For cholangiocarcinomas, MUC1 positivity was determined to be statistically significant for poo...Continue Reading


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