Deep Variational Graph Autoencoders for Novel Host-directed Therapy Options Against COVID-19

Overview

Journal Artif Intell Med

Specialty Biomedical Engineering

Date 2022 Dec 3

PMID 36462892

Authors

Sumanta Ray

Snehalika Lall

Anirban Mukhopadhyay

Sanghamitra Bandyopadhyay

Alexander Schonhuth

Affiliations

Soon will be listed here.

Abstract

The COVID-19 pandemic has been keeping asking urgent questions with respect to therapeutic options. Existing drugs that can be repurposed promise rapid implementation in practice because of their prior approval. Conceivably, there is still room for substantial improvement, because most advanced artificial intelligence techniques for screening drug repositories have not been exploited so far. We construct a comprehensive network by combining year-long curated drug-protein/protein-protein interaction data on the one hand, and most recent SARS-CoV-2 protein interaction data on the other hand. We learn the structure of the resulting encompassing molecular interaction network and predict missing links using variational graph autoencoders (VGAEs), as a most advanced deep learning technique that has not been explored so far. We focus on hitherto unknown links between drugs and human proteins that play key roles in the replication cycle of SARS-CoV-2. Thereby, we establish novel host-directed therapy (HDT) options whose utmost plausibility is confirmed by realistic simulations. As a consequence, many of the predicted links are likely to be crucial for the virus to thrive on the one hand, and can be targeted with existing drugs on the other hand.

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