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Cell cycle: on target with Myc

M Zörnig1, G I Evan

  • 1Biochemistry of the Cell Nucleus Laboratory, Imperial Cancer Research Fund Laboratories, London, UK.

Current Biology : CB
|December 1, 1996
PubMed
Summary
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The c-Myc proto-oncogene activates the cdc25A gene. Cdc25A is crucial for cell division and Myc-induced cell death, identifying it as a key Myc target.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Oncology

Background:

  • The c-Myc proto-oncogene plays a critical role in cell growth and proliferation.
  • Understanding Myc's regulatory targets is essential for deciphering its role in cancer and apoptosis.

Purpose of the Study:

  • To investigate the transcriptional targets of the c-Myc proto-oncogene.
  • To identify key genes regulated by Myc that are involved in cell cycle progression and apoptosis.

Main Methods:

  • Analysis of gene expression data to identify genes upregulated by c-Myc.
  • Functional assays to determine the role of identified target genes in mitosis and apoptosis.

Main Results:

  • Evidence indicates that c-Myc directly activates the transcription of the cdc25A gene.

Related Experiment Videos

  • The Cdc25A protein phosphatase is essential for both mitotic progression and Myc-induced apoptosis.
  • cdc25A emerges as a highly significant Myc target gene.

    • Conclusions:

    • The cdc25A gene is a critical transcriptional target of the c-Myc proto-oncogene.
    • Cdc25A's dual role in mitosis and apoptosis makes it a central mediator of Myc function.
    • Targeting the c-Myc/cdc25A pathway may offer therapeutic strategies for cancers driven by Myc.