Title
Disease Gene Prediction by Integrating PPI Networks, Clinical RNA-Seq Data and OMIM Data.
Abstract
Disease gene prediction is a challenging task that has a variety of applications such as early diagnosis and drug development. The existing machine learning methods suffer from the imbalanced sample issue because the number of known disease genes (positive samples) is much less than that of unknown genes which are typically considered to be negative samples. In addition, most methods have not utilized clinical data from patients with a specific disease to predict disease genes. In this study, we propose a disease gene prediction algorithm (called dgSeq) by combining protein-protein interaction (PPI) network, clinical RNA-Seq data, and Online Mendelian Inheritance in Man (OMIN) data. Our dgSeq constructs differential networks based on rewiring information calculated from clinical RNA-Seq data. To select balanced sets of non-disease genes (negative samples), a disease-gene network is also constructed from OMIM data. After features are extracted from the PPI networks and differential networks, the logistic regression classifiers are trained. Our dgSeq obtains AUC values of 0.88, 0.83 and 0.80 for identifying breast cancer genes, thyroid cancer genes and Alzheimer's disease genes, respectively, which indicates its superiority to other three competing methods. Both gene set enrichment analysis and predicted results demonstrate that dgSeq can effectively predict new disease genes.
Year
DOI
Venue
2019
10.1109/TCBB.2017.2770120
IEEE/ACM transactions on computational biology and bioinformatics
Keywords
Field
DocType
Diseases,Feature extraction,Prediction algorithms,Logistics,Training,Gene expression,Machine learning algorithms
Disease,Gene,Breast cancer,RNA-Seq,Computer science,Drug development,Gene prediction,Artificial intelligence,Computational biology,OMIM : Online Mendelian Inheritance in Man,Logistic regression,Machine learning
Journal
Volume
Issue
ISSN
16
1
1557-9964
Citations 
PageRank 
References 
7
0.46
0
Authors
4
Name
Order
Citations
PageRank
Ping Luo1173.68
Li-Ping Tian291.51
Jishou Ruan370.46
Fang-Xiang Wu49727.65