Myc-mediated transformation: the repression connection

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Updated: Oct 20, 2026

Repressing Gene Transcription by Redirecting Cellular Machinery with Chemical Epigenetic Modifiers
10:28

Repressing Gene Transcription by Redirecting Cellular Machinery with Chemical Epigenetic Modifiers

Published on: September 20, 2018

G F Claassen1, S R Hann

  • 1Department of Cell Biology, Vanderbilt University, Nashville, Tennessee 37232, USA.

Oncogene
|June 23, 1999
PubMed

Insights

The Myc protein regulates cell growth and differentiation. This review highlights evidence suggesting Myc also functions in gene repression, linking this mechanism to cell transformation.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Oncology

Background:

  • The Myc protein is a key regulator of cellular processes such as growth, differentiation, and apoptosis.
  • The precise mechanisms of Myc's biological activity are not fully understood.
  • Historically, Myc has been primarily viewed as a transcriptional activator.

Purpose of the Study:

  • To review evidence supporting alternative mechanisms of Myc function.
  • To explore the role of Myc in gene repression.
  • To establish a connection between Myc-mediated transformation and transcriptional repression.

Main Methods:

  • Literature review of existing research on Myc function.
  • Analysis of studies investigating Myc's interaction with gene expression machinery.
  • Synthesis of data linking Myc's oncogenic activity to transcriptional regulation.

Main Results:

  • Evidence suggests Myc can act as a transcriptional repressor.
  • Transcriptional repression by Myc is linked to its role in cell transformation.
  • Alternative mechanisms beyond transactivation contribute to Myc's function.

Conclusions:

  • Myc's function extends beyond gene activation to include gene repression.
  • Transcriptional repression is a significant mechanism underlying Myc-driven cell transformation.
  • Further research into Myc's repressive functions is warranted for a comprehensive understanding of its role in cancer.

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