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2017 ; 8
(1
): 573
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A network integration approach for drug-target interaction prediction and
computational drug repositioning from heterogeneous information
#MMPMID28924171
Luo Y
; Zhao X
; Zhou J
; Yang J
; Zhang Y
; Kuang W
; Peng J
; Chen L
; Zeng J
Nat Commun
2017[Sep]; 8
(1
): 573
PMID28924171
show ga
The emergence of large-scale genomic, chemical and pharmacological data provides
new opportunities for drug discovery and repositioning. In this work, we develop
a computational pipeline, called DTINet, to predict novel drug-target
interactions from a constructed heterogeneous network, which integrates diverse
drug-related information. DTINet focuses on learning a low-dimensional vector
representation of features, which accurately explains the topological properties
of individual nodes in the heterogeneous network, and then makes prediction based
on these representations via a vector space projection scheme. DTINet achieves
substantial performance improvement over other state-of-the-art methods for
drug-target interaction prediction. Moreover, we experimentally validate the
novel interactions between three drugs and the cyclooxygenase proteins predicted
by DTINet, and demonstrate the new potential applications of these identified
cyclooxygenase inhibitors in preventing inflammatory diseases. These results
indicate that DTINet can provide a practically useful tool for integrating
heterogeneous information to predict new drug-target interactions and repurpose
existing drugs.Network-based data integration for drug-target prediction is a
promising avenue for drug repositioning, but performance is wanting. Here, the
authors introduce DTINet, whose performance is enhanced in the face of noisy,
incomplete and high-dimensional biological data by learning low-dimensional
vector representations.