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Updated: Aug 13, 2025

Identification of Transcription Factor Regulators using Medium-Throughput Screening of Arrayed Libraries and a Dual-Luciferase-Based Reporter
Published on: March 27, 2020
Transcription Factors and Cancer: Approaches to Targeting
Jamie V Shiah1, Daniel E Johnson, Jennifer R Grandis
1From the Department Otolaryngology-Head and Neck Surgery, University of California at San Francisco, San Francisco, CA.
Abstract:
Cancer is defined by the presence of uncontrollable cell growth, whereby improper proliferative signaling has overcome regulation by cellular mechanisms. Transcription factors are uniquely situated at the helm of signaling, merging extracellular stimuli with intracellular responses. Therefore, this class of proteins plays a pivotal role in coordinating the correct gene expression levels for maintaining normal cellular functions. Dysregulation of transcription factor activity unsurprisingly drives tumorigenesis and oncogenic transformation. Although this imparts considerable therapeutic potential to targeting transcription factors, their lack of enzymatic activity renders intervention challenging and has contributed to a sense that transcription factors are "undruggable." Yet, enduring efforts to elucidate strategies for targeting transcription factors as well as a deeper understanding of their interactions with binding partners have led to advancements that are emerging to counter this narrative. Here, we highlight some of these approaches, focusing primarily on therapeutics that have advanced to the clinic.
Insights
Cancer involves uncontrolled cell growth driven by transcription factors. New strategies are emerging to target these "undruggable" proteins, offering promising therapeutic avenues for cancer treatment.
Area of Science:
- Molecular Biology
- Oncology
- Drug Discovery
Background:
- Cancer is characterized by uncontrolled cell proliferation, often due to dysregulated signaling pathways.
- Transcription factors are key regulators of gene expression, crucial for normal cellular functions.
- Dysregulation of transcription factors contributes significantly to tumorigenesis and oncogenic transformation.
Purpose of the Study:
- To review current strategies for targeting transcription factors in cancer therapy.
- To highlight therapeutic approaches that have progressed to clinical trials.
- To address the challenge of targeting transcription factors, often considered "undruggable" due to their lack of enzymatic activity.
Main Methods:
- Literature review of therapeutic strategies targeting transcription factors.
- Focus on approaches that have reached clinical development.
- Analysis of transcription factor-binding partner interactions for therapeutic insights.
Main Results:
- Advancements in targeting transcription factors are emerging, challenging the "undruggable" notion.
- Several therapeutic strategies targeting transcription factors have shown promise and advanced to the clinic.
- Understanding transcription factor interactions provides new avenues for drug development.
Conclusions:
- Targeting transcription factors represents a significant therapeutic opportunity in oncology.
- Despite challenges, innovative strategies are making transcription factor-targeted therapies a reality.
- Further research into transcription factor modulation holds potential for novel cancer treatments.
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