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International Journal of Genomics
Volume 2017, Article ID 3538568, 11 pages
https://doi.org/10.1155/2017/3538568
Research Article

A New Network-Based Strategy for Predicting the Potential miRNA-mRNA Interactions in Tumorigenesis

College of Chemistry, Sichuan University, Chengdu 610064, China

Correspondence should be addressed to Zhining Wen; moc.361@gninihz_w and Menglong Li; nc.ude.ucs@lmil

Received 29 April 2017; Accepted 10 July 2017; Published 2 August 2017

Academic Editor: Brian Wigdahl

Copyright © 2017 Jiwei Xue et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

MicroRNA (miRNA) plays an important role in the degradation and inhibition of mRNAs and is a kind of essential drug targets for cancer therapy. To facilitate the clinical cancer research, we proposed a network-based strategy to identify the cancer-related miRNAs and to predict their targeted genes based on the gene expression profiles. The strategy was validated by using the data sets of acute myeloid leukemia (AML), breast invasive carcinoma (BRCA), and kidney renal clear cell carcinoma (KIRC). The results showed that in the top 20 miRNAs ranked by their degrees, 90.0% (18/20), 70.0% (14/20), and 70.0% (14/20) miRNAs were found to be associated with the cancers for AML, BRCA, and KIRC, respectively. The KEGG pathways and GO terms enriched with the genes that were predicted as the targets of the cancer-related miRNAs were significantly associated with the biological processes of cancers. In addition, several genes, which were predicted to be regulated by more than three miRNAs, were identified to be the potential drug targets annotated by using the human protein atlas database. Our results demonstrated that the proposed strategy can be helpful for predicting the miRNA-mRNA interactions in tumorigenesis and identifying the cancer-related miRNAs as the potential drug targets.