Cited by 144Computational Drug Discovery MethodsBioinformatics and Genomic NetworksRecommender Systems and Techniques

DTiGEMS+: drug–target interaction prediction using graph embedding, graph mining, and similarity-based techniques

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Thafar, Maha A., Olayan, Rawan S., Ashoor, Haitham, Albaradei, Somayah, Bajic, Vladimir B., Gao, Xin, Gojobori, Takashi, Essack, Magbubah·2020·Journal of Cheminformatics

Abstract

In silico prediction of drug–target interactions is a critical phase in the sustainable drug development process, especially when the research focus is to capitalize on the repositioning of existing drugs. However, developing such computational methods is not an easy task, but is much needed, as current methods that predict potential drug–target interactions suffer from high false-positive rates. Here we introduce DTiGEMS+, a computational method that predicts D rug–T arget i nteractions using G raph E mbedding, graph M ining, and S imilarity-based techniques. DTiGEMS+ combines similarity-based as well as feature-based approaches, and models the identification of novel drug–target interactions as a link prediction problem in a heterogeneous network. DTiGEMS+ constructs the heterogeneous network by augmenting the known drug–target interactions graph with two other complementary graphs namely: drug–drug similarity, target–target similarity. DTiGEMS+ combines different computational techniques to provide the final drug target prediction, these techniques include graph embeddings, graph mining, and machine learning. DTiGEMS+ integrates multiple drug–drug similarities and target–target similarities into the final heterogeneous graph construction after applying a similarity selection procedure as well as a similarity fusion algorithm. Using four benchmark datasets, we show DTiGEMS+ substantially improves prediction performance compared to other state-of-the-art in silico methods developed to predict of drug-target interactions by achieving the highest average AUPR across all datasets (0.92), which reduces the error rate by 33.3% relative to the second-best performing model in the state-of-the-art methods comparison.

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  • Cell similarity graphs can be built with autoencoders by embedding gene expression readouts and then linking genes whose embeddings are similar.

    “Cell similarity graphs have also been created using autoencoders by first embedding gene expression readouts and then connecting genes based on how similar their embeddings are [157].”

    From Graph representation learning in biomedicine and healthcare (2022) · cites this paper as [157]

  • Graph representation learning applied to gene or cell similarity networks can impute single-cell RNA sequencing data and predict cell clusters.

    “Applied to such networks, graph representation learning can impute scRNA-seq data [156, 157], predict cell clusters [157, 158], etc.”

    From Graph representation learning in biomedicine and healthcare (2022) · cites this paper as [157]

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  1. [74]Kam HT (1995) Random decision forest. In: Proceedings of the 3rd international conference on document analysis and recognition, vol 1416, pp 278–282

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Authors
Thafar, M. A., Olayan, R. S., Ashoor, H., Albaradei, S., Bajic, V. B., Gao, X., Gojobori, T., & Essack, M.
Affiliations
  • Taif University (SA)
  • The Jackson Laboratory for Genomic Medicine (US)
  • King Abdulaziz University (SA)
  • King Abdullah University of Science and Technology (SA)
Corresponding author
Essack, Magbubah
Venue
Journal of Cheminformatics
Published
2020-06-29
Volume
12
Issue
1
Pages
44-44
ISSN
1758-2946 (ISSN-L)
OpenAlex
W3039465695
Cited by
143
References
97
Citations by year
2026: 12 · 2025: 18 · 2024: 28 · 2023: 24 · 2022: 15 · 2021: 44 · 2020: 2
FWCI
10.68
Type
journal article
Language
en
Open access
Locations
  • Journal of Cheminformatics (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • The Mouseion at the JAXlibrary (Jackson Laboratory) (submittedVersion)
  • King Abdullah University of Science and Technology Repository (King Abdullah University of Science and Technology) (submittedVersion, cc-by)
Funders
King Abdullah University of Science and Technology (BAS/1/1606-01-01, BAS/1/1059-01-01, BAS/1/1624-01-01, FCC/1/1976-26-01, FCC/1/1976-17-01)
Topics
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Computational Drug Discovery Methods
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Physical Sciences › Computer Science › Information Systems › Recommender Systems and Techniques
Keywords
drug-target interaction prediction, graph embedding, graph mining, similarity-based prediction, heterogeneous networks, link prediction, drug-drug similarity, similarity fusion, drug repurposing, false positive reduction

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