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Identifying literature-based significant genes and discovering novel drug indications on PPI network

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2017, 22(3), pp.131-138
  • DOI : 10.9708/jksci.2017.22.03.131
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : January 26, 2017
  • Accepted : February 24, 2017
  • Published : March 31, 2017

Minseok Park 1,  Giup Jang 1,  Taekeon Lee 1,  Youngmi Yoon 1

1가천대학교

Accredited

ABSTRACT

New drug development is time-consuming and costly. Hence, it is necessary to repurpose old drugs for finding new indication. We suggest the way that repurposing old drug using massive literature data and biological network. We supposed a disease-drug relationship can be available if signal pathways of the relationship include significant genes identified in literature data. This research is composed of three steps-identifying significant gene using co-occurrence in literature; analyzing the shortest path on biological network; and scoring a relationship with comparison between the significant genes and the shortest paths. Based on literatures, we identify significant genes based on the co-occurrence frequency between a gene and disease. With the network that include weight as possibility of interaction between genes, we use shortest paths on the network as signal pathways. We perform comparing genes that identified as significant gene and included on signal pathways, calculating the scores and then identifying the candidate drugs. With this processes, we show the drugs having new possibility of drug repurposing and the use of our method as the new method of drug repurposing.

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This paper was written with support from the National Research Foundation of Korea.
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