DRIMC

DRIMC applies Bayesian inductive matrix completion to predict novel drug-disease associations for drug repositioning by integrating drug and disease similarity matrices.


Key Features:

  • Bayesian Inductive Matrix Completion: Implements Bayesian inductive matrix completion to model association probabilities and handle incomplete data.
  • Integration of Multiple Data Sources: Integrates four drug data sources into a drug similarity matrix and two disease data sources into a disease similarity matrix.
  • Latent Space Mapping: Describes each drug and disease by similarity values relative to nearest neighbors and projects these features into a shared latent space.
  • Confidence Weighting: Assigns higher confidence to manually verified known drug-disease associations than to unknown pairs during modeling.

Scientific Applications:

  • Drug Repositioning: Predicts new indications for existing drugs by identifying likely drug-disease associations.
  • Benchmark Evaluation: Has been evaluated on three benchmark datasets and compared with six state-of-the-art approaches.

Methodology:

Embed drug and disease data into similarity matrices; describe entity features via proximity to nearest neighbors and project them into a shared latent space; apply Bayesian inductive matrix completion to model association probabilities with confidence weighting for known associations.

Topics

Details

Added:
1/18/2021
Last Updated:
3/3/2021

Operations

Publications

Zhang W, Xu H, Li X, Gao Q, Wang L. DRIMC: an improved drug repositioning approach using Bayesian inductive matrix completion. Bioinformatics. 2020;36(9):2839-2847. doi:10.1093/bioinformatics/btaa062. PMID:31999326.

PMID: 31999326
Funding: - National Natural Science Foundation of China: 61603273 - Tianjin Municipal Natural Science Foundation: 18JCQNJC69500 - Scientific Research Program of Tianjin Education Commission: 2018KJ107 - Youth Foundation of Humanities and Social Sciences: 18YJC630108