Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

The ubiquitin-proteasome pathway.

Pia Roos-Mattjus1, Lea Sistonen

  • 1Department of Biology, Abo Akademi University, Turku Centre for Biotechnology, Abo Akademi University & University of Turku, Turku, Finland.

Annals of Medicine
|July 1, 2004
PubMed
Summary

The ubiquitin-proteasome system regulates protein stability and turnover, crucial for cellular health. Understanding this pathway and its role in diseases like cancer and neurodegeneration can lead to new therapies.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Functional interplay between heat shock protein 90 (HSP90) and heat shock factors (HSFs).

Cell stress & chaperones·2026
Same author

HSF2 drives breast cancer progression by acting as a stage-specific switch between proliferation and invasion.

Science advances·2025
Same author

A guide to heat shock factors as multifunctional transcriptional regulators.

The FEBS journal·2025
Same author

HDAC1 is involved in the destabilization of the HSF2 protein under nonstress and stress conditions.

Cell stress & chaperones·2025
Same author

Heat shock factor 2 regulates oncogenic gamma-herpesvirus gene expression by remodeling the chromatin at the ORF50 and BZLF1 promoter.

PLoS pathogens·2025
Same author

Nuclear talin-1 provides a bridge between cell adhesion and gene expression.

iScience·2025

Area of Science:

  • Cellular Biology
  • Biochemistry
  • Molecular Biology

Background:

  • Protein stability and turnover are essential cellular processes.
  • The ubiquitin-proteasome system is the primary pathway for protein degradation in eukaryotes.
  • Dysregulation of this pathway is implicated in various diseases.

Purpose of the Study:

  • To elucidate the mechanisms of the ubiquitin-proteasome pathway.
  • To identify key proteins and signals involved in substrate degradation.
  • To explore therapeutic strategies for diseases linked to proteasome dysfunction.

Main Methods:

  • Ubiquitin conjugation enzymatic cascade analysis.
  • Proteasome-mediated protein degradation studies.
  • Investigation of non-degradative roles of ubiquitylation.

Main Results:

  • Ubiquitylation acts as a tag for proteasomal degradation via a regulated cascade.
  • Ubiquitin chains and linkages determine protein fate and cellular functions.
  • The ubiquitin-proteasome pathway is vital for DNA repair, protein sorting, and virus budding.

Conclusions:

  • The ubiquitin-proteasome pathway is a critical regulator of cellular proteostasis.
  • Aberrant protein degradation or stability contributes to disease pathogenesis.
  • Targeting the ubiquitin-proteasome system offers potential therapeutic avenues for various diseases.

Related Experiment Videos