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Updated: Jun 29, 2026

Real-time Analysis of Transcription Factor Binding, Transcription, Translation, and Turnover to Display Global Events During Cellular Activation
Published on: March 7, 2018
Crossing the line between activation and repression
1Division of Developmental Biology, Cincinnati Children's Hospital Research Foundation, University of Cincinnati College of Medicine, 3333 Burnet Avenue, Cincinnati, OH 45229, USA. jun.ma@cchmc.org
Abstract:
Gene transcription can be activated or repressed. Such seemingly simple decisions reflect the coordinated actions of a wide array of proteins. Activators and co-activators work together to stimulate the assembly and activity of the machinery that transcribes the gene, whereas repressors and co-repressors work to achieve the opposite goal. Recent studies show that many proteins often engage in regulatory activities and interactions that cross the activation-repression divide. This article discusses selected examples to illustrate the dynamic nature of the transcriptional regulation process and highlights the important roles of not only the individual proteins but also their communication system.
Insights
Gene transcription involves proteins that activate or repress gene expression. New research reveals proteins can switch roles, highlighting dynamic regulation and protein communication in gene control.
Area of Science:
- Molecular Biology
- Genetics
- Biochemistry
Background:
- Gene transcription is a fundamental biological process.
- Transcriptional regulation is controlled by activators, co-activators, repressors, and co-repressors.
- These proteins determine whether gene expression is activated or repressed.
Purpose of the Study:
- To discuss the dynamic nature of transcriptional regulation.
- To highlight the dual roles of proteins in gene regulation.
- To emphasize the importance of protein communication in gene transcription.
Main Methods:
- Review of recent scientific literature.
- Analysis of selected examples of protein interactions.
- Discussion of regulatory mechanisms in gene transcription.
Main Results:
- Many proteins exhibit regulatory activities that span both activation and repression.
- Individual proteins play crucial roles in transcriptional control.
- Protein communication systems are vital for effective gene regulation.
Conclusions:
- Transcriptional regulation is a dynamic process.
- Proteins can function dynamically, crossing the activation-repression divide.
- Interplay and communication among regulatory proteins are essential for precise gene expression control.
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