Related Experiment Video
Updated: Jan 29, 2026

Quantifying Subcellular Ubiquitin-proteasome Activity in the Rodent Brain
Published on: May 21, 2019
Ubiquitin-Proteasome System in Neurodegenerative Disorders
Geeta Rao1, Brandon Croft1, Chengwen Teng1
1Department of Pharmaceutical Sciences, University of Oklahoma Health Science Center, Oklahoma City, OK, USA.
Cellular proteostasis relies on the ubiquitin-proteasome system (UPS). Enhancing UPS function may treat neurodegenerative diseases by clearing protein aggregates, unlike cancer therapies.
Area of Science:
- Molecular Biology
- Neuroscience
- Cell Biology
Background:
- Cellular proteostasis maintains protein health via the ubiquitin-proteasome system (UPS).
- Dysfunctional UPS leads to protein aggregate buildup, implicated in neurodegenerative diseases like Alzheimer's and Parkinson's.
- Current cancer therapies inhibit the proteasome, but neurodegenerative diseases may benefit from its activation.
Purpose of the Study:
- To review the role of the proteasome in neurodegenerative disorders.
- To explore the therapeutic potential of modulating proteasome function in these diseases.
Main Methods:
- Literature review of proteasome function in neurodegeneration.
- Analysis of studies on protein aggregation and clearance mechanisms.
- Synthesis of current research on proteasomal modulation strategies.
Main Results:
- The UPS is crucial for degrading misfolded proteins, preventing toxic aggregate formation.
- Impaired UPS function is a key factor in the pathogenesis of neurodegenerative conditions.
- Activating the proteasome presents a potential therapeutic avenue for neurodegenerative diseases.
Conclusions:
- Proteasome dysfunction contributes significantly to neurodegeneration.
- Targeting the proteasome for activation offers a promising therapeutic strategy.
- Further research into proteasomal modulation is warranted for treating neurodegenerative disorders.
More Related Videos
06:30Quantitative Analysis of Climbing Defects in a Drosophila Model of Neurodegenerative Disorders
Published on: June 13, 2015
07:05Measuring Enzymatic Activity of Neurodevelopmental Disorder-Associated Deubiquitylating Enzymes via an In Vitro Ubiquitin Chain Cleavage Assay
Published on: September 27, 2024
Related Concept Videos
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...
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
The Proteasome Structure
The proteasome is an...
Intrinsically Disordered Proteins
Bone Disorders
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...