Asian Pacific Journal of Cancer Prevention

Asian Pacific Journal of Cancer Prevention (아시아태평양암예방학회)
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Regulatory Network of MicroRNAs, Target Genes, Transcription Factors and Host Genes in Endometrial Cancer

  • Xue, Lu-Chen (Department of Software Engineering, Jilin University) ;
  • Xu, Zhi-Wen (Department of Computer Science and Technology, Jilin University) ;
  • Wang, Kun-Hao (Department of Computer Science and Technology, Jilin University) ;
  • Wang, Ning (Department of Computer Science and Technology, Jilin University) ;
  • Zhang, Xiao-Xu (Department of Software Engineering, Jilin University) ;
  • Wang, Shang (Department of Computer Science and Technology, Jilin University)
  • Published : 2015.02.25
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Abstract

Genes and microRNAs (miRNAs) have important roles in human oncology. However, most of the biological factors are reported in disperse form which makes it hard to discover the pathology. In this study, genes and miRNAs involved in human endometrial cancer(EC) were collected and formed into regulatory networks following their interactive relations, including miRNAs targeting genes, transcription factors (TFs) regulating miRNAs and miRNAs included in their host genes. Networks are constructed hierarchically at three levels: differentially expressed, related and global. Among the three, the differentially expressed network is the most important and fundamental network that contains the key genes and miRNAs in EC. The target genes, TFs and miRNAs are differentially expressed in EC so that any mutation in them may impact on EC development. Some key pathways in networks were highlighted to analyze how they interactively influence other factors and carcinogenesis. Upstream and downstream pathways of the differentially expressed genes and miRNAs were compared and analyzed. The purpose of this study was to partially reveal the deep regulatory mechanisms in EC using a new method that combines comprehensive genes and miRNAs together with their relationships. It may contribute to cancer prevention and gene therapy of EC.

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References

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