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Mapping the Structure-Function Relationships of Disordered Oncogenic Transcription Factors Using Transcriptomic Analysis
09:58

Mapping the Structure-Function Relationships of Disordered Oncogenic Transcription Factors Using Transcriptomic Analysis

Published on: June 27, 2020

ATF2: a transcription factor that elicits oncogenic or tumor suppressor activities

Anindita Bhoumik1, Ze'ev Ronai

  • 1Signal Transduction Program, Burnham Institute for Medical Research, La Jolla, California 92037, USA.

Cell Cycle (Georgetown, Tex.)
|August 5, 2008
PubMed

Insights

Activating Transcription Factor 2 (ATF2) plays a dual role in cancer, acting as an oncogene in melanoma but a tumor suppressor in other cancers. Inhibiting ATF2 can halt melanoma development, highlighting its tissue-specific functions.

Area of Science:

  • Molecular Biology
  • Genetics
  • Cancer Research

Background:

  • Activating Transcription Factor 2 (ATF2) is crucial for cellular development, DNA damage response, and HAT complex regulation.
  • While genetic mutations in ATF2 are not found in human tumors, its altered expression and localization correlate with tumor stage and prognosis.

Purpose of the Study:

  • To review the current understanding of ATF2 regulation and function in the context of cancer.
  • To explore the dual role of ATF2 as both an oncogene and tumor suppressor in different cancer types.

Main Methods:

  • Review of existing literature on ATF2 gene function, regulation, and its role in various tumor models.
  • Analysis of studies investigating ATF2's involvement in melanoma, breast, and skin tumor development.

Main Results:

  • ATF2 exhibits oncogenic activity in melanoma, where its inhibition impedes tumor development.
  • In other tumor models (breast, skin), ATF2 can function as a tumor suppressor, cooperating with mutated oncogenes or tumor suppressor genes.
  • These findings indicate a tissue- and tumor-specific function of ATF2.

Conclusions:

  • ATF2's role in cancer is complex and context-dependent, varying significantly between different tissues and tumor types.
  • Further research into ATF2 regulation and its specific roles in distinct cancers is warranted for targeted therapeutic strategies.

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