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BioAssay ontology annotations facilitate cross-analysis of diverse high-throughput screening data sets.


ABSTRACT: High-throughput screening data repositories, such as PubChem, represent valuable resources for the development of small-molecule chemical probes and can serve as entry points for drug discovery programs. Although the loose data format offered by PubChem allows for great flexibility, important annotations, such as the assay format and technologies employed, are not explicitly indexed. The authors have previously developed a BioAssay Ontology (BAO) and curated more than 350 assays with standardized BAO terms. Here they describe the use of BAO annotations to analyze a large set of assays that employ luciferase- and ?-lactamase-based technologies. They identified promiscuous chemotypes pertaining to different subcategories of assays and specific mechanisms by which these chemotypes interfere in reporter gene assays. Results show that the data in PubChem can be used to identify promiscuous compounds that interfere nonspecifically with particular technologies. Furthermore, they show that BAO is a valuable toolset for the identification of related assays and for the systematic generation of insights that are beyond the scope of individual assays or screening campaigns.

SUBMITTER: Schurer SC 

PROVIDER: S-EPMC3167204 | biostudies-literature | 2011 Apr

REPOSITORIES: biostudies-literature

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BioAssay ontology annotations facilitate cross-analysis of diverse high-throughput screening data sets.

Schürer Stephan C SC   Vempati Uma U   Smith Robin R   Southern Mark M   Lemmon Vance V  

Journal of biomolecular screening 20110401 4


High-throughput screening data repositories, such as PubChem, represent valuable resources for the development of small-molecule chemical probes and can serve as entry points for drug discovery programs. Although the loose data format offered by PubChem allows for great flexibility, important annotations, such as the assay format and technologies employed, are not explicitly indexed. The authors have previously developed a BioAssay Ontology (BAO) and curated more than 350 assays with standardize  ...[more]

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