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Title 

Overexpression and clinical significance of carcinoembryonic antigen-related cell adhesion molecule 6 in colorectal cancer

Authors 

K S KimJong Tae KimSeon-Jin LeeM A KangI S ChoeYun Hee KangSeon-Young KimYoung Il YeomY H LeeJ H KimK H KimC N KimJ W KimM S NamHee Gu Lee

Publisher 

Elsevier

Issue Date 

2012

Citation 

Clinica Chimica Acta, vol. 415, no. 1, pp. 12-19

Keywords 

Carcinoembryonic antigen-related cell adhesion molecule 6Colon cancerInvasivenessMicroarrayPrognosis

Abstract 

Background: Carcinoembryonic antigen-related cell adhesion molecule 6 (CEACAM6) inhibits anoikis and affects the malignant phenotype of cancer cells. In this study, we analyzed CEACAM6 as a gene that is highly upregulated in colon cancer tissues, and examined the assertion that CEACAM6 might be a suitable candidate tumor marker for the diagnosis of colon cancer. Methods: CEACAM6 gene expression in human colon tissues was performed by tissue microarray and analyzed using RT-PCR (each of normal and tumor tissue, n=. 40) and immunohistochemical and clinicopathological (colon cancer patients, n=. 143) analyses. Results: CEACAM6 transcriptional and translational levels were significantly upregulated in human tumor tissues compared to non-tumor regions, and clinicopathological analysis revealed a significant correlation between CEACAM6 protein expression and Dukes' stage (. p<. 0.001). High expression levels of CEACAM6 were significantly associated with lower overall survival (. p<. 0.001) and shorter recurrence-free survival (. p<. 0.001). We demonstrated that knockdown of CEACAM6 with CEACAM6-specific small interfering RNA in colorectal cancer cells attenuated invasivity (35%); conversely, the overexpression of CEACAM6 increased invasiveness. Conclusions: CEACAM6 is significantly upregulated in colon cancer tissues and is closely associated with poor prognosis, indicating that CEACAM6 might be used as a tumor biomarker and a potential therapeutic target for colon cancer.

ISSN 

0009-8981

Link 

http://dx.doi.org/10.1016/j.cca.2012.09.003

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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