2011
DOI: 10.1186/1755-8794-4-62
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Integrative network analysis identifies key genes and pathways in the progression of hepatitis C virus induced hepatocellular carcinoma

Abstract: BackgroundIncidence of hepatitis C virus (HCV) induced hepatocellular carcinoma (HCC) has been increasing in the United States and Europe during recent years. Although HCV-associated HCC shares many pathological characteristics with other types of HCC, its molecular mechanisms of progression remain elusive.MethodsTo investigate the underlying pathology, we developed a systematic approach to identify deregulated biological networks in HCC by integrating gene expression profiles with high-throughput protein-prot… Show more

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Cited by 40 publications
(43 citation statements)
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“…Through this systematic analysis, we proposed changes of global regulatory patterns in HCC progression, and identified some key miRNA regulators contributed to HCC metastasis whose regulatory patterns and biological implication were also deduced. Before this, although multi-perspective data have been integrated into HCC-related analyses [6-8], no peer works providing global landscape of combinatorial gene regulatory network or identifying module classifiers for risk prediction has ever been reported in the specific context of venous metastasis of HBV-HCC. Our results proposed possible transcriptional regulatory patterns underlying the different metastatic subgroups of HCC.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Through this systematic analysis, we proposed changes of global regulatory patterns in HCC progression, and identified some key miRNA regulators contributed to HCC metastasis whose regulatory patterns and biological implication were also deduced. Before this, although multi-perspective data have been integrated into HCC-related analyses [6-8], no peer works providing global landscape of combinatorial gene regulatory network or identifying module classifiers for risk prediction has ever been reported in the specific context of venous metastasis of HBV-HCC. Our results proposed possible transcriptional regulatory patterns underlying the different metastatic subgroups of HCC.…”
Section: Discussionmentioning
confidence: 99%
“…A priori knowledge such as protein interactions, pathways, clinical factors, or other disease-related information from databases, integrated with gene signature analysis have helped marker gene prioritization [4-8]. In addition, gene relationships among different disease statuses were investigated through systematic network analyses [9,10].…”
Section: Introductionmentioning
confidence: 99%
“…Third, in this study, the direction of biological regulation was based on the available tumor and normal samples from Discovery_data. However, complex diseases incorporate many changes at the genomic and transcriptomic levels through a gradual process (Zheng et al 2011). Matched miRNA and gene expression profiles from time point data could be used to address meaningful node association changes over different time points.…”
Section: Discussionmentioning
confidence: 99%
“…Zheng et al . [42] proposed a methodology by integrating gene expression profiles and high-throughput protein-protein interaction data in order to find the dysregulated biological networks in the progression of hepatitis C virus induced hepatocellular carcinoma (denoted as HCV-induced HCC) disease. Furthermore, Mallik et al .…”
Section: Literature Reviewmentioning
confidence: 99%