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- W2380167147 abstract "Objective To detect the expression level of protein and mRNA of E-cadherin and β-catenin in primary tumor and metastatic lymph node of nasopharyngeal carcinoma (NPC), and to investigate the mechanism of invasion and metastasis of neoplastic cell in NPC. Methods Biopsy specimens taken from primary tumor and metastatic lymph nodes of 42 NPC patients. Western blotting, immunohistochemical staining and reverse transcriptase-polymeraes chain reaction (RT-PCR) were adopted to detect the expression of protein and mRNA of E-cadherin and β-catenin in all 42 samples. Results (1) There was lower expression level of protein and mRNA of E-cadherin in metastatic lymph nodes than that in primary tumor of NPC ( P 0 05). (2) Both primary NPC and lymphoid metastatic NPC were found to have high β-catenin expression on the cell membrane, but there was no difference between two groups of specimens ( P 0 05). (3) There was no correlation between β-catenin expression and that of E-cadherin neither in primary tumor or in metastatic lymph nodes. Conclusion (1) Down regulated expression of E-cadherin may play a role in neoplastic cell invasion and metastasis in NPC. (2) Accumulation of β-catenin in NPC might be a promoting factor to induce tumor cell invasion and metastasis in NPC." @default.
- W2380167147 created "2016-06-24" @default.
- W2380167147 creator A5070464260 @default.
- W2380167147 date "2003-01-01" @default.
- W2380167147 modified "2023-09-23" @default.
- W2380167147 title "The different expression pattern of E-cadherin and β-catenin in primary and metastatic tumors of nasopharyngeal carcinoma" @default.
- W2380167147 hasPublicationYear "2003" @default.
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