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Updated: May 24, 2026

Genetic Manipulation of Cerebellar Granule Neurons In Vitro and In Vivo to Study Neuronal Morphology and Migration
Published on: March 17, 2014
Collapsin response mediator proteins regulate neuronal development and plasticity by switching their phosphorylation
Naoya Yamashita1, Yoshio Goshima
1Department of Molecular Pharmacology and Neurobiology, Yokohama City University Graduate School of Medicine, Fuku-ura 3-9, Kanazawa Ward, Yokohama 236-0004, Japan.
Collapsin response mediator proteins (CRMPs) are crucial for nervous system development and function. Their phosphorylation regulates key processes like neuronal migration and synapse formation, impacting neuronal diseases.
Area of Science:
- Neuroscience
- Molecular Biology
- Cell Biology
Background:
- Collapsin response mediator proteins (CRMPs) are cytosolic proteins involved in semaphorin3A signaling.
- Five homologous CRMPs (CRMP1-5) are known, all phosphorylated and expressed in the nervous system.
Purpose of the Study:
- To summarize the roles of CRMPs in neuronal development and disease.
- To highlight the importance of CRMP phosphorylation in these processes.
Main Methods:
- In vitro experiments demonstrating CRMP function.
- Analysis of knockout mice studies to reveal in vivo roles.
Main Results:
- CRMPs regulate neuronal development and maturation via phosphorylation.
- In vivo studies show CRMPs are essential for neuronal migration, network formation, and synaptic plasticity.
- CRMP phosphorylation dynamics are critical for nervous system development and implicated in neuronal diseases.
Conclusions:
- CRMPs are vital regulators of neuronal development and function.
- Phosphorylation of CRMPs is a key mechanism controlling neuronal processes.
- Dysregulation of CRMP phosphorylation may contribute to neuronal diseases.
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