Related Experiment Video

Updated: Aug 7, 2026

Single-molecule Imaging of Gene Regulation In vivo Using Cotranslational Activation by Cleavage (CoTrAC)
11:31

Single-molecule Imaging of Gene Regulation In vivo Using Cotranslational Activation by Cleavage (CoTrAC)

Published on: March 15, 2013

ICG-001, a novel small molecule regulator of TCF/beta-catenin transcription

Masakatsu Eguchi1, Cu Nguyen, Sung Chan Lee

  • 1Institute for Chemical Genomics, 600 Broadway, Suite 580, Seattle, WA 98122, USA.

Medicinal Chemistry (Shariqah (United Arab Emirates))
|June 22, 2006
PubMed

Insights

Researchers identified ICG-001, a novel small molecule antagonist, that targets the TCF/beta-Catenin pathway. This pathway is frequently dysregulated in colon cancer, offering a potential therapeutic strategy.

Area of Science:

  • Oncology
  • Molecular Biology
  • Drug Discovery

Background:

  • Mutations in the APC gene are common in colon cancers, leading to increased nuclear beta-Catenin.
  • Elevated beta-Catenin activates TCF/beta-Catenin-responsive genes like cyclin D1 and c-myc, promoting tumor growth.

Purpose of the Study:

  • To identify small molecule antagonists targeting the TCF/beta-Catenin pathway.
  • To find compounds that can attenuate TCF/beta-Catenin-responsive gene expression.

Main Methods:

  • Screening of a secondary structure-templated chemical library against transformed colorectal cells.
  • Utilizing a TCF/beta-Catenin-responsive reporter gene assay to identify active compounds.
  • Design, synthesis, and preliminary biological evaluation of identified compounds.

Main Results:

  • ICG-001 was identified as a lead compound with an IC50 of 3 microM.
  • The study describes the design and synthesis of the chemical library used in the screen.
  • Preliminary biological evaluation of ICG-001 was performed.

Conclusions:

  • ICG-001 is a promising small molecule inhibitor of the TCF/beta-Catenin pathway.
  • This compound represents a potential therapeutic lead for colon cancer treatment.
  • The study highlights the utility of chemical library screening for drug discovery in oncology.

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