Abstract
Laboratory automation and robotics have “industrialized” the execution and completion of large-scale, enabling high-capacity and high-throughput (100 K–1 MM/day) screening (HTS) campaigns of large “libraries” of compounds (>200 K–2 MM) to complete in a few days or weeks. Critical to the success these HTS campaigns is the ability of a competent assay development team to convert a validated research-grade laboratory “benchtop” assay suitable for manual or semi-automated operations on a few hundreds of compounds into a robust miniaturized (384- or 1,536-well format), well-engineered, scalable, industrialized assay that can be seamlessly implemented on a fully automated, fully integrated robotic screening platform for cost-effective screening of hundreds of thousands of compounds. Here, we provide a review of the theoretical guiding principles and practical considerations necessary to reduce often complex research biology into a “lean manufacturing” engineering endeavor comprising adaption, automation, and implementation of HTS. Furthermore we provide a detailed example specifically for a cell-free in vitro biochemical, enzymatic phosphatase assay for tissue-nonspecific alkaline phosphatase that illustrates these principles and considerations.
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Acknowledgments
This work was supported by the NIH Roadmap Molecular Libraries Program Grant U54 HG005033 and the Conrad Prebys Center for Chemical Genomics at the Sanford-Burnham Medical Research Institute. The referenced example TNAP assay was originally supported by the NIH Roadmap Initiative U54 HG003916, NIH Grant RC1 HL101899, and NIH Grant R03 MH077602-01.
The author wishes to thank Dr. Fu-Yue Zeng and Mr. Carlton Gasior for providing the examples of the programming interface, example schedule, and 10-plate run simulations on the robotic screening system from the GUI of the HRB, Cellario™ system software. The author also thanks Dr. Eduard Sergienko for his thorough reading and useful comments and for his guidance on the assay and HTS history of the TNAP project.
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Chung, T.D.Y. (2013). Robotic Implementation of Assays: Tissue-Nonspecific Alkaline Phosphatase (TNAP) Case Study. In: Millán, J. (eds) Phosphatase Modulators. Methods in Molecular Biology, vol 1053. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-62703-562-0_4
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DOI: https://doi.org/10.1007/978-1-62703-562-0_4
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