Related Experiment Video

Updated: Apr 27, 2026

Identification of Transcription Factor Regulators using Medium-Throughput Screening of Arrayed Libraries and a Dual-Luciferase-Based Reporter
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Identification of Transcription Factor Regulators using Medium-Throughput Screening of Arrayed Libraries and a Dual-Luciferase-Based Reporter

Published on: March 27, 2020

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YAP1 takes over when oncogenic K-Ras slumbers

Florian R Greten1

  • 1Georg-Speyer-Haus, Institute for Tumor Biology and Experimental Therapy, Paul-Ehrlich-Strasse 42-44, 60596 Frankfurt, Germany.

Cell
|July 5, 2014
PubMed

Insights

Tumor relapse after targeted therapy is a major challenge. New research reveals that YAP1 (Yes-associated protein 1) acts as a key driver, compensating for lost K-Ras signaling in cancers.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Genetics

Background:

  • Tumor relapse following oncogene-targeted therapy remains a significant clinical challenge.
  • Cancer cells often exhibit addiction to specific oncogenic signaling pathways, such as K-Ras.

Purpose of the Study:

  • To elucidate the molecular mechanisms underlying tumor relapse after the failure of therapies targeting oncogene addiction.
  • To identify key regulators that compensate for the loss of K-Ras signaling in K-Ras-dependent cancers.

Main Methods:

  • Investigated the role of transcriptional coactivators in cancer therapy resistance.
  • Utilized genetic and molecular biology approaches to study signaling pathway compensation.

Main Results:

  • Identified the transcriptional coactivator YAP1 (Yes-associated protein 1) as a critical factor in tumor relapse.
  • Demonstrated that YAP1 drives compensatory mechanisms following the loss of K-Ras signaling.
  • Highlighted YAP1's central role in K-Ras-dependent cancers.

Conclusions:

  • YAP1 is a key therapeutic target for overcoming resistance in K-Ras-dependent cancers.
  • Understanding YAP1's role in signaling compensation is crucial for developing effective anti-cancer strategies.

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