BioScience Trends
Online ISSN : 1881-7823
Print ISSN : 1881-7815
ISSN-L : 1881-7815
Original Articles
Aberrant expression of Notch3 predicts poor survival for hepatocellular carcinomas
Lei HuFeng XueMinhua ShaoAnmei DengGongtian Wei
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JOURNALS FREE ACCESS

2013 Volume 7 Issue 3 Pages 152-156

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Abstract

Using a meta-analysis on gene expression data of hepatocellular carcinomas (HCC) from the Oncomine database, we identified that the Notch3 gene ranked as the highest up-regulated Notch pathway member in HCC tissues compared with normal liver tissues. We further detected the expression of Notch3 in 95 cases of HCC samples by immunohistochemistry, and evaluated its clinicopathological and prognostic significance. We confirmed that Notch3 is overexpressed in HCC tissues compared with normal liver tissues, and a high expression level of Notch3 was significantly associated with bigger tumor size (p = 0.014), multiple tumors (p = 0.026), late tumor-node-metastasis (TNM) stage (p < 0.01) and shorter overall survival (p = 0.002). Furthermore, high Notch3 expression emerged as a significant independent prognostic factor in multivariate analysis. In conclusion, we identified a positive association between Notch3 expression with more aggressive traits and shorter survival in HCC. Our findings suggest that Notch3 might be an important regulator in the development of HCC, and a potential therapeutic target for patients with HCC.

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© 2013 International Research and Cooperation Association for Bio & Socio-Sciences Advancement
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