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GOF/LOF knowledge inference with tensor decomposition in support of high order link discovery for gene, mutation and disease

1 College of Informatics, Huazhong Agricultural University, 430070, Wuhan, China
2 Hubei Key Lab of Agricultural Bioinformatics, Huazhong Agricultural University, 430070, Wuhan, China
3 College of Science, Huazhong Agricultural University, 430070, Wuhan, China
4 Database Center for Life Science (DBCLS), Research Organization of Information and Systems (ROIS), Tokyo, Japan
5 School of Medicine, University of Colorado Denver, Anschutz Medical Campus, Colorado, U.S

Special Issues: Health Information Processing

For discovery of new usage of drugs, the function type of their target genes plays an important role, and the hypothesis of “Antagonist-GOF” and “Agonist-LOF” has laid a solid foundation for supporting drug repurposing. In this research, an active gene annotation corpus was used as training data to predict the gain-of-function or loss-of-function or unknown character of each human gene after variation events. Unlike the design of(entity, predicate, entity) triples in a traditional three way tensor, a four way and a five way tensor, GMFD-/GMAFD-tensor, were designed to represent higher order links among or among part of these entities: genes(G), mutations(M), functions(F), diseases( D) and annotation labels(A). A tensor decomposition algorithm, CP decomposition, was applied to the higher order tensor and to unveil the correlation among entities. Meanwhile, a state-of-the-art baseline tensor decomposition algorithm, RESCAL, was carried on the three way tensor as a comparing method. The result showed that CP decomposition on higher order tensor performed better than RESCAL on traditional three way tensor in recovering masked data and making predictions. In addition, The four way tensor was proved to be the best format for our issue. At the end, a case study reproducing two disease-gene-drug links(Myelodysplatic Syndromes-IL2RA-Aldesleukin, Lymphoma- IL2RA-Aldesleukin) presented the feasibility of our prediction model for drug repurposing.
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© 2019 the Author(s), licensee AIMS Press. This is an open access article distributed under the terms of the Creative Commons Attribution Licese (http://creativecommons.org/licenses/by/4.0)

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