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Updated: Nov 18, 2025

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Regulation of Reelin functions by specific proteolytic processing in the brain
Mitsuharu Hattori1, Takao Kohno1
1Department of Biomedical Science, Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya, Aichi 467-8603, Japan.
Reelin, a brain glycoprotein, is crucial for development and function. Its proteolytic processing is key to understanding its roles in brain health and diseases like Alzheimer's.
Area of Science:
- Neuroscience
- Molecular Biology
- Developmental Biology
Background:
- Reelin is a secreted glycoprotein vital for brain development and function.
- It regulates neuronal migration, dendrite development, synaptogenesis, and synaptic plasticity.
- Reelin dysfunction is linked to neuropsychiatric disorders such as schizophrenia and Alzheimer's disease.
Purpose of the Study:
- To review the proteolytic processing of Reelin.
- To explore the physiological roles of Reelin cleavage in the brain.
Main Methods:
- Literature review focusing on Reelin proteolytic processing.
- Analysis of recent studies on Reelin cleavage mechanisms and functions.
Main Results:
- Proteolytic cleavage of Reelin is increasingly recognized as critical.
- Specific cleavage events play significant roles in both embryonic and postnatal brain development.
- Understanding Reelin processing is essential for elucidating its molecular mechanisms.
Conclusions:
- Reelin proteolytic processing is a key area of investigation.
- Further research into Reelin cleavage could reveal insights into brain development and disease pathogenesis.
- This review highlights the importance of Reelin processing in neuroscience.
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