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Updated: Jun 2, 2026

In Vitro Ubiquitination and Deubiquitination Assays of Nucleosomal Histones
Published on: July 25, 2019
Enzymatic assays for assessing histone deubiquitylation activity
Robyn T Sussman1, Xiao-Yong Zhang, Steven B McMahon
1Department of Cancer Biology, Thomas Jefferson University, Philadelphia, PA 19107, USA.
Histone ubiquitylation regulates key biological processes. New assays enable detailed study of histone deubiquitylation enzymes, crucial for understanding their roles and therapeutic potential.
Area of Science:
- Biochemistry
- Molecular Biology
- Epigenetics
Background:
- Post-translational modification of histones by ubiquitylation is crucial for biological processes.
- While histone ubiquitylation enzymes are well-studied, deubiquitylation enzymes remain poorly understood.
- Understanding histone deubiquitylation is vital for advancing biological insights and potential therapies.
Purpose of the Study:
- To develop robust assay strategies for analyzing histone deubiquitylation.
- To facilitate thorough in vitro and in vivo characterization of histone deubiquitylation enzymes.
- To explore the therapeutic potential of targeting these enzymes.
Main Methods:
- Development of novel assay platforms for histone deubiquitylation.
- In vitro biochemical analysis of enzyme activity.
- In vivo studies to assess biological relevance.
Main Results:
- Established comprehensive assay strategies for histone deubiquitylation.
- Enabled detailed biochemical and biological characterization of key enzymes.
- Identified potential for therapeutic targeting based on enzyme activity.
Conclusions:
- The developed assays provide a critical tool for studying histone deubiquitylation.
- Further understanding of these enzymes is essential for clinical applications.
- Histone deubiquitylation represents a promising area for therapeutic intervention.
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