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Effects of neurotrophins on neural crest and Schwann cell migration

de Bellard, M. E. and Waldheim, C. and Kim, L. and Walker, J. and Ollison, L. and Bronner-Fraser, M. (2009) Effects of neurotrophins on neural crest and Schwann cell migration. Glia, 57 (13). S108-S109. ISSN 0894-1491. https://resolver.caltech.edu/CaltechAUTHORS:20100107-110905611

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Abstract

The neural crest is a migratory population of cells that gives rise to a wide range of cell types in the peripheral nervous system of vertebrate embryos. It has been shown that neural crest cells migrate along very specific pathways throughout the embryo. The reason for such specificity is not fully known. During the last years, some known axon pathfinding repellants (ephrinB2, SemaIIIa, Slit2, etc) have been shown to repel neural crest cells as well during their migration through the somites. However, we know very little about the migratory clues that guide the neural crest for the rest of their path. The goal of this study was to find which other molecules are capable of guiding the neural crest. For this purpose we had set out to screen a group of neurotrophic factors that are expressed at the same time that the crest is migrating through the embryo. Our aim was to look at the effect of neurotrophins on neural crest migration and Schwann cell precursors. Experiments by live imaging in special chambers suggest that: a) neural crest cells are attracted to glia derived neurotrophic factor (GDNF) and Heregulinb1; and b) that Schwann cell precursors increase their speed in the presence of GDNF, NGF, Heregulinb1 and Macrophage inhibitory factor (MIF). These preliminary data suggests that neural crest and Schwann cells use a variety of neurotrophic factors as guiding clues during their extensive migration in the embryo.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1002/glia.20915 DOIArticle
http://www3.interscience.wiley.com/journal/122574710/abstractPublisherArticle
ORCID:
AuthorORCID
Bronner-Fraser, M.0000-0003-4274-1862
Additional Information: © 2009 Wiley-Liss, Inc. Poster #: P-343 Published Online: 24 Aug 2009. This work was supported by a grant from NIH 5 R01 HD15527-15, an NIH SCORE grant 2-SO6-GM048680-12A1 and a NMSS fellowship to MEdB FA1383-A-1.
Funders:
Funding AgencyGrant Number
NIH5 R01 HD15527-15
NIH2-SO6-GM048680-12A1
National Multiple Sclerosis SocietyMEdB FA1383-A-1
Issue or Number:13
Record Number:CaltechAUTHORS:20100107-110905611
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20100107-110905611
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:17091
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:12 Jan 2010 18:22
Last Modified:03 Oct 2019 01:22

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