Journal
JOURNAL OF MEDICINAL CHEMISTRY
Volume 65, Issue 6, Pages 4590-4599Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jmedchem.1c01372
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Funding
- Intramural Research Programs of the National Center for Advancing Translational Sciences, National Institutes of Health
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Machine learning models were developed to identify anti-SARS-CoV-2 compounds, which showed good performance and significantly improved the efficiency of drug screening compared to the original methods.
Identification of anti-SARS-CoV-2 compounds through traditional high-throughput screening (HTS) assays is limited by high costs and low hit rates. To address these challenges, we developed machine learning models to identify compounds acting via inhibition of the entry of SARS-CoV-2 into human host cells or the SARS-CoV-2 3-chymotrypsin-like (3CL) protease. The optimal classification models achieved good performance with area under the receiver operating characteristic curve (AUC-ROC) values of >0.78. Experimental validationshowed that the best performing models increased the assay hit rate by2.1-fold for viral entry inhibitors and 10.4-fold for 3CL protease inhibitors compared to those of the original drug repurposing screens. Twenty-two compounds showed potent (<5 mu M) antiviral activities in a SARS-CoV-2live virus assay. In conclusion, machine learning models can be developed and used as a complementary approach to HTS to expand compound screening capacities and improve the speed and efficiency of anti-SARS-CoV-2 drug discovery
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