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PLoS One. 2011 Mar 22;6(3):e17802. doi: 10.1371/journal.pone.0017802.

Endocytosis regulates cell soma translocation and the distribution of adhesion proteins in migrating neurons.

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  • 1Department of Biology, Stanford University, Stanford, California, United States of America.

Abstract

Newborn neurons migrate from their birthplace to their final location to form a properly functioning nervous system. During these movements, young neurons must attach and subsequently detach from their substrate to facilitate migration, but little is known about the mechanisms cells use to release their attachments. We show that the machinery for clathrin-mediated endocytosis is positioned to regulate the distribution of adhesion proteins in a subcellular region just proximal to the neuronal cell body. Inhibiting clathrin or dynamin function impedes the movement of migrating neurons both in vitro and in vivo. Inhibiting dynamin function in vitro shifts the distribution of adhesion proteins to the rear of the cell. These results suggest that endocytosis may play a critical role in regulating substrate detachment to enable cell body translocation in migrating neurons.

PMID:
21445347
[PubMed - indexed for MEDLINE]
PMCID:
PMC3062553
Free PMC Article
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