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Updated: Dec 28, 2025
Quantifying Subcellular Ubiquitin-proteasome Activity in the Rodent Brain
Published on: May 21, 2019
The ubiquitin proteasome system and schizophrenia
Sandra Luza1, Carlos M Opazo1, Chad A Bousman2
1Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne & Melbourne Health, Parkville, VIC, Australia; Melbourne Dementia Research Centre, Florey Institute of Neuroscience and Mental Health, The University of Melbourne & Melbourne Health, Parkville, VIC, Australia.
The ubiquitin-proteasome system regulates brain development and function. Its dysfunction is linked to schizophrenia, with specific molecular changes potentially explaining complex causes of this mental disorder.
Area of Science:
- Neuroscience
- Molecular Biology
- Genetics
Background:
- The ubiquitin-proteasome system (UPS) is crucial for neural development, brain structure, and function.
- UPS regulates neurogenesis, synaptogenesis, and neurotransmission via protein turnover.
- UPS signaling also mediates epigenetic changes in neurons, independent of protein degradation.
Purpose of the Study:
- To review UPS components dysregulated in schizophrenia.
- To discuss molecular alterations in these components.
- To explore their role in the complex etiology of schizophrenia.
Main Methods:
- Literature review of studies on UPS and schizophrenia.
- Analysis of reported dysregulated UPS components and their substrates.
- Synthesis of molecular changes linked to schizophrenia.
Main Results:
- Identified specific UPS components implicated in schizophrenia.
- Detailed molecular changes in these components.
- Established links between UPS dysfunction and neurodevelopmental disorders.
Conclusions:
- UPS dysfunction is associated with schizophrenia.
- Specific molecular changes in UPS components may contribute to schizophrenia's complex causes.
- Further research into UPS is vital for understanding and treating schizophrenia.
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