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Updated: Nov 20, 2025

Evaluation of Substrate Ubiquitylation by E3 Ubiquitin-ligase in Mammalian Cell Lysates
Published on: May 10, 2022
Targeting the Ubiquitin Signaling Cascade in Tumor Microenvironment for Cancer Therapy.
Qi Liu1, Bayonle Aminu1, Olivia Roscow1
1Department of Molecular and Cellular Biology, College of Biological Science, University of Guelph, 50 Stone Rd E, Guelph, ON N1G2W1, Canada.
This review explores how ubiquitination regulates tumor microenvironments. We highlight E3 ligases and deubiquitinases as key targets for novel cancer therapies and discuss emerging technologies for targeting the tumor microenvironment.
Area of Science:
- Oncology
- Biochemistry
- Molecular Biology
Background:
- Tumor microenvironments (TMEs) comprise diverse cellular and non-cellular components that promote tumor progression.
- Ubiquitination, a crucial protein modification, governs numerous biological processes.
- Understanding TME regulation via ubiquitination is vital for cancer therapy.
Purpose of the Study:
- To review the role of ubiquitination in regulating the tumor microenvironment.
- To identify E3 ligases and deubiquitinases as potential therapeutic targets.
- To explore emerging technologies for targeting the TME.
Main Methods:
- Literature review focusing on ubiquitination pathways in TME.
- Analysis of the roles of E3 ligases and deubiquitinases.
- Discussion of novel therapeutic strategies and technologies.
Main Results:
- E3 ligases and deubiquitinases significantly modulate both cellular and non-cellular TME components.
- These enzymes represent promising targets for cancer treatment.
- Emerging technologies offer new avenues for TME-targeted therapies.
Conclusions:
- Ubiquitination plays a critical role in shaping the tumor microenvironment.
- Targeting ubiquitination pathways, specifically E3 ligases and deubiquitinases, holds therapeutic potential.
- Advancements in technology are paving the way for innovative TME-targeted cancer treatments.
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