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Updated: May 25, 2026

Identification of Transcription Factor Regulators using Medium-Throughput Screening of Arrayed Libraries and a Dual-Luciferase-Based Reporter
Published on: March 27, 2020
The roles of ATF2 (activating transcription factor 2) in tumorigenesis
Malgorzata Gozdecka1, Wolfgang Breitwieser
1Cell Regulation Department, Paterson Institute for Cancer Research, University of Manchester, Wilmslow Road, Withington, Manchester M20 4BX, UK.
Abstract:
MAPK (mitogen-activated protein kinase) pathways are among the most frequently deregulated signalling events in cancer. Among the critical targets of MAPK activities are members of the AP-1 (activator protein 1) transcription factor, a dimeric complex consisting of Jun, Fos, Maf and ATF (activating transcription factor) family DNA-binding proteins. Depending on the cellular context, the composition of the dimeric complexes determines the regulation of growth, survival or apoptosis. JNK (c-Jun N-terminal kinase), p38 and a number of Jun and Fos family proteins have been analysed for their involvement in oncogenic transformation and tumour formation. These data are also emerging for the ATF components of the AP-1 factor. The aim of the present review is to provide an overview of the functions of two ATF family proteins, ATF2 and ATF7, in mammalian development and their potential functions in tumour formation.
Insights
Mitogen-activated protein kinase (MAPK) pathways are crucial in cancer. This review focuses on activating transcription factor (ATF) proteins ATF2 and ATF7, exploring their roles in development and potential involvement in tumor formation.
Area of Science:
- Molecular Biology
- Cancer Research
- Cell Signaling
Background:
- Mitogen-activated protein kinase (MAPK) pathways are frequently dysregulated in cancer.
- Activating transcription factor (AP-1) transcription factors, including Jun, Fos, Maf, and ATF proteins, are critical targets of MAPK signaling.
- The composition of AP-1 dimers dictates cellular outcomes such as growth, survival, or apoptosis.
Purpose of the Study:
- To review the functions of ATF2 and ATF7 in mammalian development.
- To explore the potential roles of ATF2 and ATF7 in tumor formation.
Main Methods:
- Literature review of existing research on ATF2 and ATF7.
- Analysis of data linking MAPK pathways, AP-1 factors, and cancer.
Main Results:
- While Jun and Fos family members' roles in oncogenesis are established, data on ATF components are emerging.
- ATF2 and ATF7 are implicated in mammalian development.
Conclusions:
- Further research is needed to fully elucidate the functions of ATF2 and ATF7 in cancer.
- Understanding ATF2 and ATF7 roles may reveal new therapeutic targets in oncology.
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