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Identifying compound efficacy targets in phenotypic drug discovery

•Compound target ID technologies have unique strengths that can be used strategically.•Target ID approaches are trending toward unbiased, genome-wide methods.•Compound mechanisms involve efficacy targets as well as epistatic protein effectors.•Integration of chemical biology data facilitates systema...

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Bibliographic Details
Published in:Drug discovery today 2016-01, Vol.21 (1), p.82-89
Main Authors: Schirle, Markus, Jenkins, Jeremy L.
Format: Article
Language:English
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Summary:•Compound target ID technologies have unique strengths that can be used strategically.•Target ID approaches are trending toward unbiased, genome-wide methods.•Compound mechanisms involve efficacy targets as well as epistatic protein effectors.•Integration of chemical biology data facilitates systematic chemical biology. The identification of the efficacy target(s) for hits from phenotypic compound screens remains a key step to progress compounds into drug development. In addition to efficacy targets, the characterization of epistatic proteins influencing compound activity often facilitates the elucidation of the underlying mechanism of action; and, further, early determination of off-targets that cause potentially unwanted secondary phenotypes helps in assessing potential liabilities. This short review discusses the most important technologies currently available for characterizing the direct and indirect target space of bioactive compounds following phenotypic screening. We present a comprehensive strategy employing complementary approaches to balance individual technology strengths and weaknesses.
ISSN:1359-6446
1878-5832
DOI:10.1016/j.drudis.2015.08.001