SpringerProtocols: Abstract: Interpretation of Uniform-Well Readouts

13. Interpretation of Uniform-Well Readouts

By: Serene Josiah¹

Abstract

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High-throughput screening (HTS) covers a range of measurements, from primary screens of either large libraries (>250 K) or small, focused collections (100–1,000 s) of test compounds, to secondary screens used to characterize the mechanism of action of a relatively small number of compounds. Data analysis of assay results from HTS relies upon assay performance and the control wells used to define the assay system. This chapter discusses parameters that must be considered when defining controls and plate maps for primary and secondary assays in HTS. Control wells and plate maps are suggested, which can gene-rally be applied toward a variety of biochemical and cellular assays. The controls and plate-map options can be matched to the scale of the screening campaign; examples are primary screens with % inhibition or % activation as endpoints or secondary screens with IC₅₀ or EC₅₀ values as endpoints.

Affiliation(s): (1) Cambridge, MA, USA

Book Title: Cell-Based Assays for High-Throughput Screening: Methods and Protocols

Series: Methods in Molecular Biology | Volume: 486 | Year: 2009 | Page Range: 177-192 | DOI: 10.1007/978-1-60327-545-3_13

Subject: Biochemistry

Key Words: Background signal - Focused screens - High-throughput screening - Plate map - Secondary screening - Total signal - Z′ factor

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