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Current Bioinformatics

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ISSN (Print): 1574-8936
ISSN (Online): 2212-392X

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Research Article

Prioritizing Cancer lncRNA Modulators via Integrated lncRNA-mRNA Network and Somatic Mutation Data

Author(s): Dianshuang Zhou, Xin Li, Shipeng Shang, Hui Zhi, Peng Wang, Yue Gao and Shangwei Ning*

Volume 17, Issue 8, 2022

Published on: 29 July, 2022

Page: [723 - 734] Pages: 12

DOI: 10.2174/1574893617666220421095601

Price: $65

Abstract

Background: Long noncoding RNAs (LncRNAs) represent a large category of functional RNA molecules that play a significant role in human cancers. lncRNAs can be gene modulators to affect the biological process of multiple cancers.

Methods: Here, we developed a computational framework that uses the lncRNA-mRNA network and mutations in individual genes of 9 cancers from TCGA to prioritize cancer lncRNA modulators. Our method screened risky cancer lncRNA regulators based on integrated multiple lncRNA functional networks and 3 calculation methods.

Results: Validation analyses revealed that our method was more effective than prioritization based on a single lncRNA network. This method showed high predictive performance, and the highest ROC score was 0.836 in breast cancer. It’s worth noting that we found that 5 lncRNAs scores were abnormally high, and these lncRNAs appeared in 9 cancers. By consulting the literature, these 5 lncRNAs were experimentally supported lncRNAs. Analyses of prioritizing lncRNAs reveal that these lncRNAs are enriched in various cancer-related biological processes and pathways.

Conclusion: Together, these results demonstrated the ability of this method to identify candidate lncRNA molecules and improved insights into the pathogenesis of cancer.

Keywords: computational framework, lncRNA-mRNA network, mutations, cancer lncRNA modulators

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