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High-Throughput Cell-Based Screening of Small Molecule KRAS Signaling Inhibitors Using a Homogeneous Time-Resolved

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  • 1NCI RAS Initiative, Cancer Research Technology Program, Frederick National Laboratory for Cancer Research, Frederick, MD, USA.

Methods in Molecular Biology (Clifton, N.J.)
|April 3, 2024
PubMed
Summary
This summary is machine-generated.

Researchers developed a new HTRF method to screen for KRAS inhibitors in cancer cells. This high-throughput assay aids in discovering novel RAS-targeted therapeutics for cancer treatment.

Keywords:
AKTCell-based drug screenERKHTRFHTSKRASKRAS inhibitorsKRAS signalingMAPKPI3K

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Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Recent breakthroughs demonstrate the feasibility of inhibiting KRAS.
  • Significant research is underway to develop inhibitors targeting specific KRAS mutations.
  • KRAS signaling is a critical pathway in various malignancies.

Purpose of the Study:

  • To present a detailed protocol for identifying compounds that modulate KRAS signaling.
  • To enable high-throughput screening of compound libraries for KRAS-targeted drug discovery.
  • To facilitate the development of novel therapeutics for KRAS-driven cancers.

Main Methods:

  • Utilized homogeneous time-resolved fluorescence (HTRF) technology.
  • Developed a cell-based screening assay for KRAS signaling.
  • Applied the method to screen large compound libraries.

Main Results:

  • Successfully established a robust HTRF-based protocol.
  • Demonstrated the utility of the assay for identifying active compounds.
  • Validated the method for screening in malignant cell lines.

Conclusions:

  • The described HTRF protocol is effective for high-throughput screening of KRAS inhibitors.
  • This method supports the development of targeted therapies for cancers with KRAS mutations.
  • The assay is a valuable tool for advancing RAS-targeted therapeutic strategies.