Related Experiment Video
Updated: Oct 13, 2025

Assays for Validating Histone Acetyltransferase Inhibitors
Published on: August 6, 2020
Deacetylation of Transcription Factors in Carcinogenesis
Marta Halasa1, Kamila Adamczuk1, Grzegorz Adamczuk2
1Chair and Department of Biochemistry and Molecular Biology, Medical University of Lublin, Witolda Chodźki 1 St., 20-093 Lublin, Poland.
Abstract:
Reversible Nε-lysine acetylation/deacetylation is one of the most common post-translational modifications (PTM) of histones and non-histone proteins that is regulated by histone acetyltransferases (HATs) and histone deacetylases (HDACs). This epigenetic process is highly involved in carcinogenesis, affecting histone and non-histone proteins' properties and their biological functions. Some of the transcription factors, including tumor suppressors and oncoproteins, undergo this modification altering different cell signaling pathways. HDACs deacetylate their targets, which leads to either the upregulation or downregulation of proteins involved in the regulation of cell cycle and apoptosis, ultimately influencing tumor growth, invasion, and drug resistance. Therefore, epigenetic modifications are of great clinical importance and may constitute a new therapeutic target in cancer treatment. This review is aimed to present the significance of HDACs in carcinogenesis through their influence on functions of transcription factors, and therefore regulation of different signaling pathways, cancer progression, and metastasis.
Insights
Histone deacetylases (HDACs) regulate gene expression through deacetylation, impacting cancer. This review highlights HDACs
Area of Science:
- Epigenetics
- Molecular Biology
- Oncology
Background:
- Reversible Nε-lysine acetylation/deacetylation is a key post-translational modification (PTM) regulated by histone acetyltransferases (HATs) and histone deacetylases (HDACs).
- This epigenetic process significantly influences carcinogenesis by altering protein properties and functions.
- Transcription factors, including tumor suppressors and oncoproteins, are targets of this modification, affecting cell signaling pathways.
Purpose of the Study:
- To review the critical role of HDACs in cancer development.
- To elucidate how HDACs influence transcription factor activity and signaling pathways in cancer.
- To highlight the therapeutic potential of targeting epigenetic modifications in cancer treatment.
Main Methods:
- Literature review focused on HDACs, epigenetics, and cancer.
- Analysis of studies detailing HDACs' impact on transcription factors and cell signaling.
- Synthesis of information on HDACs' role in tumor progression, metastasis, and drug resistance.
Main Results:
- HDACs deacetylate target proteins, leading to altered expression of genes involved in cell cycle and apoptosis.
- Dysregulation of HDACs contributes to tumor growth, invasion, and acquired drug resistance.
- Targeting HDACs offers a promising therapeutic strategy for various cancers.
Conclusions:
- HDACs play a significant role in carcinogenesis by modulating transcription factor function and signaling pathways.
- Understanding HDACs' epigenetic influence is crucial for developing novel cancer therapies.
- Epigenetic modifications represent a vital area for clinical intervention in cancer treatment.
Related Concept Videos
Eukaryotic Transcription Activators
The binding domains are capable of recognizing and interacting with regulatory sequences on the DNA. These...
Histone Modification
Acetylation
The enzyme histone acetyltransferase adds acetyl group to the histones. Another enzyme, histone...
Epigenetic Regulation
X-chromosome...
Spreading of Chromatin Modifications
Writers
The writer...
Co-activators and Co-repressors
Transcription Factors

