Molecular Biology Reports

, Volume 41, Issue 5, pp 2875–2883 | Cite as

RETRACTED ARTICLE: Construction of pancreatic cancer double-factor regulatory network based on chip data on the transcriptional level

  • Li-Li Zhao
  • Tong Zhang
  • Bing-Rong Liu
  • Tie-Fu Liu
  • Na Tao
  • Li-Wei Zhuang


Transcription factor (TF) and microRNA (miRNA) have been discovered playing crucial roles in cancer development. However, the effect of TFs and miRNAs in pancreatic cancer pathogenesis remains vague. We attempted to reveal the possible mechanism of pancreatic cancer based on transcription level. Using GSE16515 datasets downloaded from gene expression omnibus database, we first identified the differentially expressed genes (DEGs) in pancreatic cancer by the limma package in R. Then the DEGs were mapped into DAVID to conduct the kyoto encyclopedia of genes and genomes (KEGG) pathway enrichment analysis. TFs and miRNAs that DEGs significantly enriched were identified by Fisher’s test, and then the pancreatic cancer double-factor regulatory network was constructed. In our study, total 1117 DEGs were identified and they significantly enriched in 4 KEGG pathways. A double-factor regulatory network was established, including 29 DEGs, 24 TFs, 25 miRNAs. In the network, LAMC2, BRIP1 and miR155 were identified which may be involved in pancreatic cancer development. In conclusion, the double-factor regulatory network was found to play an important role in pancreatic cancer progression and our results shed new light on the molecular mechanism of pancreatic cancer.


Pancreatic cancer Transcription factor (TF) MicroRNA (miRNA) Differentially expressed genes (DEGs) 



This work was supported by the Fund of the Provincial Health Department of Heilongjiang Province (No. 2011-171), and we wish to express our warm thanks to Fenghe (Shanghai) Information Technology Co., Ltd. Their ideas and help gave a valuable added dimension to our research.


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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • Li-Li Zhao
    • 1
  • Tong Zhang
    • 2
  • Bing-Rong Liu
    • 3
  • Tie-Fu Liu
    • 1
  • Na Tao
    • 1
  • Li-Wei Zhuang
    • 1
  1. 1.Department of GastroenterologyThe Fourth Affiliated Hospital of Harbin Medical UniversityHarbinChina
  2. 2.Department of CardiologyThe Fourth Affiliated Hospital of Harbin Medical UniversityHarbinChina
  3. 3.Department of GastroenterologyThe Second Affiliated Hospital of Harbin Medical UniversityHarbinChina

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