Related Experiment Video
Updated: Nov 20, 2025

In Vitro Ubiquitination and Deubiquitination Assays of Nucleosomal Histones
Published on: July 25, 2019
Targeting the ubiquitination/deubiquitination process to regulate immune checkpoint pathways
Jiaxin Liu1,2, Yicheng Cheng3, Ming Zheng4
1Department of Respiratory and Critical Care Medicine, Affiliated Jinling Hospital, Medical School of Nanjing University, 210002, Nanjing, Jiangsu, China.
Targeting ubiquitination and deubiquitination pathways alongside immune checkpoints can enhance anti-tumor immunity. This approach aims to improve the efficacy of cancer immunotherapy beyond current immune checkpoint blockade treatments.
Area of Science:
- Immunology
- Molecular Biology
- Oncology
Background:
- The immune system defends against pathogens and tumors but can cause damage if overactive, necessitating immune checkpoints for balance.
- Immune checkpoints regulate immune responses, but pathogens and tumors exploit them to evade immune surveillance.
- Current immune checkpoint blockade (ICB) therapies show limited efficacy, highlighting the need for novel therapeutic strategies.
Purpose of the Study:
- To review the role of ubiquitination and deubiquitination in anti-tumor immunity.
- To explore the potential of targeting these pathways to enhance immunotherapy efficacy.
- To discuss the therapeutic significance of combining ubiquitination/deubiquitination targeting with ICB.
Main Methods:
- Literature review of recent findings on ubiquitination/deubiquitination in anti-tumor immunity.
- Analysis of the interplay between ubiquitination pathways and immune checkpoints.
- Discussion of therapeutic strategies for targeting these pathways in cancer immunotherapy.
Main Results:
- Ubiquitination and deubiquitination are crucial regulators of innate and adaptive immunity.
- These processes significantly influence the modulation of immune responses.
- Targeting ubiquitination/deubiquitination pathways offers a promising strategy to augment anti-tumor immunity.
Conclusions:
- Simultaneous targeting of immune checkpoints and ubiquitination/deubiquitination pathways holds potential for improving cancer immunotherapy.
- Further research into these combined strategies could lead to more effective treatments for a broader patient population.
- This approach may overcome limitations of current ICB therapies and enhance overall therapeutic efficacy.
More Related Videos
Related Concept Videos
Receptor Downregulation in MVBs
The EGFR can initiate signaling pathways that lead to cell proliferation, migration, and differentiation. Overexpression of EGFR stimulates cells to proliferate. Excessive EGFR...
Regulated Protein Degradation
Protein degradation plays two important roles in the cells. It helps to protect cells from misfolded or damaged proteins before they lead to a...
Regulated Protein Degradation
The Proteasome
In this pathway, the target proteins are first tagged with small proteins called ubiquitin. This involves participation of a series of enzymes including— E1 (ubiquitin-activating enzyme), E2 (ubiquitin-conjugating enzyme), and E3...
The Proteasome
In this pathway, the target proteins are first tagged with small proteins called ubiquitin. A series of enzymes carry out the ubiquitination of the target proteins - E1 (ubiquitin-activating enzyme), E2 (ubiquitin-conjugating enzyme), and E3...
Covalently Linked Protein Regulators
These groups modify specific amino acids in a protein....

