Frequency of loss expression of the DPC4 protein in various locations of biliary tract carcinoma.

Frequency of loss expression of the DPC4 protein in various locations of biliary tract carcinoma. Research Abstract Details 

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Frequency of loss expression of the DPC4 protein in various locations of biliary tract carcinoma. Abstract Text:

Zhaohui Tang,Shengquan Zou,Youhua Hao,Baoju Wang,Xiangping Yang,Fazu Qiu,

OBJECTIVE: To clarify the relationship between the loss of expression of the deleted in pancreatic carcinoma locus 4 (DPC4) proteins and the pathogenesis of biliary tract carcinoma. METHODS: 71 primary biliary tract carcinoma (BTCa), including 38 common bile duct (CBD) carcinomas, 18 gallbladder carcinomas, 15 hilar bile ducts (HBD) carcinomas were examined by immunohistochemical staining. In addition, the CBD carcinomas were divided into two groups: tumors with metastasis (M(+) group, 27 cases) and tumors without metastasis (M(-) group, 11 cases). RESULTS: The frequency of loss of the expression of DPC4 protein was 32.8% in BTCa, 47.3% in CBD carcinoma, 11% in gallbladder carcinoma, 13% in HBD carcinoma. Comparison of the frequency of loss expression of DPC4 was significant statistical difference in CBD carcinoma versus gallbladder carcinoma and HBD carcinoma (P < 0.01). The frequency of loss expression of DPC4 was 48.1% in the M(+) group and 45.4% in the M(-) group. CONCLUSION: There are a close relationship between pathogenesis of BTCa and inactivation of DPC4 and different frequencies of DPC4 gene alternation in various locations of the biliary tract, which are not significantly increased with tumor metastasis in BTCa.

Frequency of loss expression of the DPC4 protein in various locations of biliary tract carcinoma. Publishing Authors By Initials

Z Tang,S Zou,Y Hao,B Wang,X Yang,F Qiu,

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Frequency of loss expression of the DPC4 protein in various locations of biliary tract carcinoma. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Zhonghua yu fang yi xue za zhi [Chinese journal of

VOLUME: 36

Page Numbers: 481-4

Journal Abbreviation: Zhonghua Yu Fang Yi Xue Za Zhi

ISSN: 0253-9624

DAY: 4

MONTH: Dec

YEAR: 2002

Frequency of loss expression of the DPC4 protein in various locations of biliary tract carcinoma. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Frequency of loss expression of the DPC4 protein in various locations of biliary tract carcinoma.

AFFILIATION: Department of General Surgery, Tongji Hospital, Wuhan 430030, China (Email: tangzh45@sina.com)

Country: China

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MEDLINETA: Zhonghua Yu Fang Yi Xue Za Zhi

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