High-throughput screening: advances in assay technologies.
Both isotopic and nonisotopic assay methodologies are employed in high-throughput screening for drug discovery. Recent advances in cell-based and in vitro biochemical assays will be reviewed, with special emphasis on detection technologies amenable to automated 'mix and read' procedures in high-throughput screening. A major trend is the advent of homogenous assay systems which employ fluorescence resonance energy transfer, fluorescence polarization, and fluorescence correlation spectroscopy. Cell-based assay systems have also become popular in high-throughput screens in which active compounds that directly modulate the disease target are identified. Colorimetric and amperometric methods have also been described recently, but are yet to be adapted widely in high-throughput screens.
Research Technologies and Proteins, Lilly Research Laboratories, Eli Lilly and Company Indianapolis, Indiana, 46285, USA. sitta@lilly.com
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Sittampalam
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Kahl
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Janzen
D003124:Colorimetry / Q000379:methods; D015195:Drug Design; D004735:Energy Transfer; D004364:Pharmaceutical Preparations / Q000032:analysis*; D011854:Radiochemistry / Q000379:methods; D013050:Spectrometry, Fluorescence / Q000379:methods
D004364:Pharmaceutical Preparations