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Updated: May 26, 2026

Assays for Validating Histone Acetyltransferase Inhibitors
Published on: August 6, 2020
Multi-targeted histone deacetylase inhibitors in cancer therapy
1Center for Drug Design, Academic Health Center, University of Minnesota, 516 Delaware Street S.E., Minneapolis, MN 55455, USA.
Abstract:
The heterogeneous nature of cancer requires a comprehensive approach for attacking the multiple mechanisms underlying the initiation and progression of cancers. Histone deacetylase inhibitors (HDACi) have emerged as a new class of anticancer agents, targeting the biological processes including cell cycle, apoptosis and differentiation. Studies have revealed that HDACi are synergistic with diverse classes of anticancer therapies including targeted therapeutics and conventional anticancer agents. Extensive medicinal chemistry efforts have yielded a wide range of chemical structures, indicative of the structural flexibility of HDACi. These findings have supported a strategy to generate multi-targeted HDACi by combining structural features from HDACi and other anticancer agents. HDACi can also be connected to a motif that allows for a selective delivery. Highlighting current examples, this brief review focuses on the rational design of multi-targeted inhibitors based on the examination and manipulation of chemical structures.
Insights
Cancer
Area of Science:
- Oncology
- Medicinal Chemistry
- Molecular Biology
Background:
- Cancer's complexity necessitates multi-mechanistic therapeutic strategies.
- Histone deacetylase inhibitors (HDACi) represent a promising class of anticancer agents.
- HDACi modulate key cancer processes like cell cycle, apoptosis, and differentiation.
Purpose of the Study:
- To review the rational design of multi-targeted histone deacetylase inhibitors (HDACi).
- To explore the combination of HDACi with other anticancer agents for synergistic effects.
- To highlight strategies for developing selective and multi-action HDACi.
Main Methods:
- Review of existing medicinal chemistry efforts and structural flexibility of HDACi.
- Analysis of synergistic interactions between HDACi and various anticancer therapies.
- Examination of strategies for combining HDACi with other pharmacophores and targeting motifs.
Main Results:
- HDACi exhibit synergy with targeted and conventional anticancer agents.
- The structural adaptability of HDACi allows for the creation of diverse chemical entities.
- Multi-targeted HDACi can be rationally designed by integrating structural features of different agents.
- Selective delivery can be achieved by conjugating HDACi to specific motifs.
Conclusions:
- Multi-targeted HDACi offer a promising strategy to overcome cancer heterogeneity.
- Rational drug design, focusing on structural manipulation, is key to developing novel HDACi.
- Combining HDACi with other agents and incorporating selective delivery mechanisms enhances therapeutic potential.
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