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http://dx.doi.org/10.7314/APJCP.2012.13.8.3741

Bicluster and Pathway Enrichment Analysis of HCV-induced Cirrhosis and Hepatocellular Carcinoma  

Cheng, Peng (Department of Oncology, PLA general hospital of Chengdu Commond, Clinical Medical College of The Third Medical Military University)
Cheng, You (Department of Otolaryngology-Head and Neck Surgery, PLA General Hospital of Nanjing Commond, Clinical Medical College of Nanjing University)
Su, Mei X. (Department of Oncology, PLA general hospital of Chengdu Commond, Clinical Medical College of The Third Medical Military University)
Li, Dong (Department of Oncology, PLA general hospital of Chengdu Commond, Clinical Medical College of The Third Medical Military University)
Zhao, Guo Z. (Department of Oncology, PLA general hospital of Chengdu Commond, Clinical Medical College of The Third Medical Military University)
Gao, Hui (Department of Oncology, PLA general hospital of Chengdu Commond, Clinical Medical College of The Third Medical Military University)
Li, Yan (Department of Oncology, PLA general hospital of Chengdu Commond, Clinical Medical College of The Third Medical Military University)
Zhu, Jie Y. (Department of Oncology, PLA general hospital of Chengdu Commond, Clinical Medical College of The Third Medical Military University)
Li, Hua (Department of Oncology, PLA general hospital of Chengdu Commond, Clinical Medical College of The Third Medical Military University)
Zhang, Tao (Department of Oncology, PLA general hospital of Chengdu Commond, Clinical Medical College of The Third Medical Military University)
Publication Information
Asian Pacific Journal of Cancer Prevention / v.13, no.8, 2012 , pp. 3741-3745 More about this Journal
Abstract
Background: Hepatocellular carcinoma (HCC) is the sixth most common cancer worldwide and the most common form of liver cancer. However, while it is associated frequently with hepatitis C virus (HCV) there is only an elementary understanding of its molecular pathogenesis. Methods: To gain insight into the molecular mechanisms of HCV-induced hepatocarcinogenesis, we performed microarray analysis on 75 surgical liver samples from 48 HCV-infected patients. Results: There were 395 differentially expressed geness between cirrhotic samples and HCC samples. Of these, 125 genes were up-regulated and 270 genes were down-regulated. We performed pathway enrichment analysis and screened as described previously. Conclusions: The differentially expressed genes might be involved in hepatocarcinogenesis through upregulating the pathways of ECM-receptor interaction, focal adhesion, cell adhesion molecules and other cancer-related pathways, and downregulating the pathways of "complement and coagulation cascades". We hope our results could aid in seeking of therapeutic targets for HCV-induced hepatocellular carcinoma.
Keywords
Bicluster analysis; pathway enrichment; cirrhosis; hepatocellular carcinoma;
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