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Updated: Jul 26, 2025
09:25
Quantifying Subcellular Ubiquitin-proteasome Activity in the Rodent Brain
Published on: May 21, 2019
6.8K
The ubiquitin-proteasome system and learning-dependent synaptic plasticity - A 10 year update
Morgan B Patrick1, Nour Omar1, Craig T Werner2
1School of Neuroscience, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA.
Neuroscience and Biobehavioral Reviews
|June 14, 2023
Summary
The ubiquitin-proteasome system (UPS) is crucial for synaptic plasticity and memory. Recent research reveals its expanded roles beyond protein degradation, impacting memory storage and showing sex differences.
Area of Science:
- Neuroscience
- Molecular Biology
- Cellular Biology
Background:
- The ubiquitin-proteasome system (UPS) was first linked to synaptic plasticity over 25 years ago.
- A 2008 paper highlighted UPS's role in memory destabilization after retrieval, yet understanding remained basic.
- Significant research in the last decade has advanced our knowledge of UPS in synaptic plasticity and memory.
Purpose of the Study:
- To provide a 10-year update on ubiquitin-proteasome signaling in synaptic plasticity and memory formation.
- To review the expanded roles of UPS beyond protein degradation.
- To discuss cellular models of UPS in learning-dependent synaptic plasticity.
Main Methods:
- Literature review and synthesis of recent findings.
- Analysis of cellular models of synaptic plasticity.
- Examination of UPS involvement in memory storage and drug abuse plasticity.
Main Results:
- UPS regulates more than just protein degradation in synaptic plasticity.
- UPS plays a role in the plasticity associated with drugs of abuse.
- Significant sex differences exist in UPS-mediated memory storage.
Conclusions:
- Ubiquitin-proteasome signaling is a key regulator of synaptic plasticity and memory formation.
- Recent advances have significantly reshaped our understanding of UPS functions in the brain.
- Further research into UPS mechanisms, including sex differences, is warranted.
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