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Related Experiment Videos

Gene expression-based high-throughput screening(GE-HTS) and application to leukemia differentiation.

Kimberly Stegmaier1, Kenneth N Ross, Sierra A Colavito

  • 1Department of Pediatric Oncology, Dana-Farber Cancer Institute and Children's Hospital Boston, Harvard Medical School, Boston, Massachusetts 02115, USA.

Nature Genetics
|February 11, 2004
PubMed
Summary

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We developed gene expression-based high-throughput screening (GE-HTS) to efficiently identify compounds modulating cellular states. This method successfully identified 8 compounds that induce acute myeloid leukemia cell differentiation.

Area of Science:

  • Chemical genomics
  • Molecular biology
  • Drug discovery

Background:

  • Chemical genomics screens utilize small molecules to alter cellular functions.
  • Current methods for using compounds in cellular circuitry screens are often inefficient and unsystematic.

Purpose of the Study:

  • To introduce a general and efficient screening approach, gene expression-based high-throughput screening (GE-HTS).
  • To apply GE-HTS for identifying compounds that promote the differentiation of acute myeloid leukemia (AML) cells.

Main Methods:

  • GE-HTS employs gene expression signatures as proxies for cellular states.
  • A library of 1,739 compounds was screened using the GE-HTS approach.

Main Results:

  • Eight compounds were identified that consistently induced the predicted differentiation signature.

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  • These compounds also provided functional validation of genuine cellular differentiation.

    • Conclusions:

    • GE-HTS represents a powerful and broadly applicable methodology for chemical screening.
    • The developed approach has significant potential for accelerating drug discovery and understanding cellular processes.