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Related Experiment Videos

New fluorescence techniques for high-throughput drug discovery.

S Jäger1, L Brand, C Eggeling

  • 1Evotec OAI / Evotec Technologies, Schnackenburgallee 114, D-22525 Hamburg, Germany.

Current Pharmaceutical Biotechnology
|December 20, 2003
PubMed
Summary

High-Throughput Screening (HTS) advances drug discovery using fluorescence techniques. New methods like Fluorescence Intensity Distribution Analysis (FIDA) enhance sensitivity and speed for testing drug candidates.

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Area of Science:

  • Pharmaceutical Research
  • Biotechnology
  • Analytical Chemistry

Background:

  • The Human Genome Project and expanding compound libraries necessitate advancements in drug discovery.
  • High-Throughput Screening (HTS) is crucial for pre-clinical drug development, requiring high-volume testing.
  • Existing HTS methods demand sensitive, rapid, and statistically accurate instrumentation.

Purpose of the Study:

  • To explore the application of fluorescence techniques in High-Throughput Screening (HTS).
  • To evaluate novel methods like Fluorescence Intensity Distribution Analysis (FIDA) alongside established techniques.
  • To present experimental examples, advantages, disadvantages, and artifact correction for fluorescence-based HTS.

Main Methods:

  • Utilizing confocal single-molecule detection techniques, including Fluorescence Intensity Distribution Analysis (FIDA).

Related Experiment Videos

  • Applying common fluorescence methods such as confocal fluorescence lifetime and anisotropy.
  • Analyzing experimental data to assess performance and identify potential issues.

    • Main Results:

    • Fluorescence techniques, particularly FIDA, offer new possibilities for HTS applications.
    • Confocal fluorescence methods provide the necessary sensitivity, speed, and accuracy for HTS.
    • Common artifacts like auto-fluorescence and quenching were identified and addressed.

    Conclusions:

    • Fluorescence-based HTS, including FIDA, is a powerful tool for modern pharmaceutical research.
    • Understanding and correcting artifacts is essential for reliable fluorescence detection in HTS.
    • These techniques accelerate the identification of potential drug candidates from large libraries.