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Updated: Dec 18, 2025

Identification of Transcription Factor Regulators using Medium-Throughput Screening of Arrayed Libraries and a Dual-Luciferase-Based Reporter
Published on: March 27, 2020
Targeting post-translational modification of transcription factors as cancer therapy
Meijia Qian1, Fangjie Yan1, Tao Yuan1
1Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China.
Abstract:
Dysregulated transcription factors (TFs) fuel aberrant gene expression networks, resulting in cell overproliferation, migration, and immunosuppression. Given that TFs are regarded to have vital roles in tumors, various approaches are exploited to modulate their activities. Nevertheless, except for some ligand-binding nuclear receptors, most TFs are still considered 'undruggable' targets. Responding to extra- or intracellular stimuli, TFs are decorated with an array of post-translational modifications (PTMs) to regulate their subcellular localizations, protein-protein/DNA interactions, and stability. These PTMs orchestrate the multiple functions of TFs, thus offering numerous potential targets. In this review, we systematically review emerging concepts and effective agents in PTMs-associated TF-targeting, which could provide paradigms for cancer treatment.
Insights
Transcription factors (TFs) drive cancer by altering gene expression. Targeting their post-translational modifications (PTMs) offers new therapeutic strategies for
Area of Science:
- Oncology and Molecular Biology: Focuses on the role of transcription factors and their modifications in cancer development and treatment.
Background:
- Dysregulated transcription factors (TFs) are key drivers of cancer, promoting uncontrolled cell growth, migration, and immune evasion.
- Most TFs are considered 'undruggable' due to challenges in directly modulating their activity.
- Post-translational modifications (PTMs) critically regulate TF functions, presenting alternative therapeutic targets.
Purpose of the Study:
- To systematically review emerging concepts and agents targeting PTMs of TFs in cancer.
- To explore the potential of PTM-associated TF targeting as a novel paradigm for cancer therapy.
Main Methods:
- Comprehensive literature review of PTMs affecting TF activity and their role in cancer.
- Analysis of current and emerging therapeutic strategies targeting TF PTMs.
- Synthesis of findings to highlight potential treatment paradigms.
Main Results:
- PTMs significantly influence TF localization, interactions, and stability, thereby controlling gene expression networks in cancer.
- Targeting specific TF PTMs offers a promising strategy to overcome the 'undruggable' nature of many TFs.
- Emerging agents demonstrate potential in modulating PTMs for therapeutic benefit.
Conclusions:
- PTM-associated TF targeting represents a promising frontier in cancer therapy.
- Further research into PTMs could unlock new treatments for various cancers.
- This review provides a framework for developing novel TF-targeted cancer therapies.
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