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NetCore: a network propagation approach using node coreness
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DOI：10.1093/nar/gkaa639.png)
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摘要
En 中文
We present NetCore, a novel network propagation approach based on node coreness, for phenotype-genotype associations and module identification. NetCore addresses the node degree bias in PPI networks by using node coreness in the random walk with restart procedure, and achieves improved re-ranking of genes after propagation. Furthermore, NetCore implements a semi-supervised approach to identify phenotype-associated network modules, which anchors the identification of novel candidate genes at known genes associated with the phenotype. We evaluated NetCore on gene sets from 11 different GWAS traits and showed improved performance compared to the standard degree-based network propagation using cross-validation. Furthermore, we applied NetCore to identify disease genes and modules for Schizophrenia GWAS data and pan-cancer mutation data. We compared the novel approach to existing network propagation approaches and showed the benefits of using NetCore in comparison to those. We provide an easy-to-use implementation, together with a high confidence PPI network extracted from ConsensusPathDB, which can be applied to various types of genomics data in order to obtain a re-ranking of genes and functionally relevant network modules.
Keyword:
RIN1 GENE-EXPRESSION
SRC UP-REGULATION
ALZHEIMERS-DISEASE
MOLECULAR NETWORKS
SOMATIC MUTATIONS
PROTEIN
CANCER
DISCOVERY
DYSLIPIDEMIA
ASSOCIATION
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期刊
IF:
13.1
论文数:
3.6W
被引数:
29.0W
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Modeling the two-hybrid detector: Experimental bias on protein interaction networks.png)
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BIOPHYSICAL JOURNALIF3.1
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