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Updated: Aug 18, 2026

In Vitro Analysis of E3 Ubiquitin Ligase Function
06:06

In Vitro Analysis of E3 Ubiquitin Ligase Function

Published on: May 14, 2021

On ubiquitin ligases and cancer

Jacques S Beckmann1, Fabienne Maurer, Mauro Delorenzi

  • 1Service of Medical Genetics, University Hospital (CHUV), Lausanne, Switzerland. Jacques.Beckmann@hospvd.ch

Human Mutation
|May 10, 2005
PubMed

Insights

Protein kinases and E3 ubiquitin ligases are crucial cancer genes, involved in cell signaling. Targeting these genes offers new avenues for cancer therapy and identifying new cancer-causing genes.

Area of Science:

  • Molecular Biology
  • Genetics
  • Oncology

Background:

  • Protein kinase genes constitute approximately 10% of known cancer genes, emphasizing signal transduction's role in oncogenesis.
  • E3 ubiquitin ligases are also identified as key mediators in tumorigenesis.

Purpose of the Study:

  • To analyze the contribution of protein kinases and E3 ubiquitin ligases to cancer.
  • To evaluate the potential of E3 genes in identifying novel cancer genes.
  • To assess the role of deubiquitinases, E1, and E2 genes in cancer.

Main Methods:

  • Literature review
  • Database analysis

Main Results:

  • Kinase and E3 genes together represent over 15% of known cancer genes, highlighting the significance of phosphorylation and ubiquitylation in cancer.
  • Alterations in ubiquitylation processes are increasingly linked to oncogenesis.
  • Deubiquitinases, phosphatases, E1, and E2 genes are not overrepresented in cancer genes.

Conclusions:

  • Protein kinases and E3 ubiquitin ligases are primary targets for cancer susceptibility gene screening and therapeutic development.
  • E3 genes can be utilized to discover additional cancer-associated genes.
  • The study underscores the critical role of ubiquitylation and phosphorylation in cancer development.

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