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Updated: May 14, 2026

In Vitro Ubiquitination and Deubiquitination Assays of Nucleosomal Histones
Published on: July 25, 2019
Ubiquitination signals critical to regulatory T cell development and function
Zuojia Chen1, Xuerui Luo, Ye Lu
1Key Laboratory of Molecular Virology & Immunology, Unit of Molecular Immunology, Institut Pasteur of Shanghai, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 411 Hefei Road, Shanghai, 200025, China.
Protein ubiquitination regulates immune responses, particularly in regulatory T cells (Tregs). Understanding ubiquitination in Tregs is key for developing therapies for autoimmune diseases, infections, and cancer.
Area of Science:
- Immunology
- Molecular Biology
- Cell Biology
Background:
- Protein ubiquitination is a key regulator of immune system processes.
- CD4(+)CD25(+)FOXP3(+) regulatory T cells (Tregs) are vital for immune tolerance.
- Dysregulation of Tregs is implicated in various diseases.
Purpose of the Study:
- To review the molecular mechanisms of protein ubiquitination in Tregs.
- To elucidate how ubiquitination impacts Treg development and function.
- To highlight the therapeutic potential of targeting ubiquitination in Tregs.
Main Methods:
- Literature review of studies on protein ubiquitination and Tregs.
- Analysis of signaling pathways involved in Treg ubiquitination.
- Examination of the role of FOXP3 ubiquitination and deubiquitination.
Main Results:
- Ubiquitination critically controls Treg differentiation, signaling, and immune tolerance.
- Specific ubiquitination and deubiquitination events regulate FOXP3 activity.
- These mechanisms are essential for maintaining Treg homeostasis.
Conclusions:
- Targeting protein ubiquitination in Tregs offers a promising therapeutic strategy.
- Understanding ubiquitination in Tregs can advance treatments for autoimmune diseases, infections, transplantation, and cancer.
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