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Sci Rep. 2019 Sep 11;9(1):13155. doi: 10.1038/s41598-019-49515-0.

Computational chemoproteomics to understand the role of selected psychoactives in treating mental health indications.

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Department of Chemistry, Purdue University, West Lafayette, IN, USA.
Department of Chemistry, University of Pennsylvania, Philadelphia, PA, USA.
Department of Biomedical Informatics, SUNY, Buffalo, NY, USA.
Department of Chemistry, Purdue University, West Lafayette, IN, USA.
Purdue Institute for Drug Discovery, Purdue Institute for Integrative Neuroscience, Purdue Institute for Integrative Neuroscience, Purdue Institute for Immunology, Inflammation and Infectious Disease, Integrative Data Science Initiative, Purdue Center for Cancer Research, West Lafayette, IN, USA.


We have developed the Computational Analysis of Novel Drug Opportunities (CANDO) platform to infer homology of drug behaviour at a proteomic level by constructing and analysing structural compound-proteome interaction signatures of 3,733 compounds with 48,278 proteins in a shotgun manner. We applied the CANDO platform to predict putative therapeutic properties of 428 psychoactive compounds that belong to the phenylethylamine, tryptamine, and cannabinoid chemical classes for treating mental health indications. Our findings indicate that these 428 psychoactives are among the top-ranked predictions for a significant fraction of mental health indications, demonstrating a significant preference for treating such indications over non-mental health indications, relative to randomized controls. Also, we analysed the use of specific tryptamines for the treatment of sleeping disorders, bupropion for substance abuse disorders, and cannabinoids for epilepsy. Our innovative use of the CANDO platform may guide the identification and development of novel therapies for mental health indications and provide an understanding of their causal basis on a detailed mechanistic level. These predictions can be used to provide new leads for preclinical drug development for mental health and other neurological disorders.

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