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Eur J Neurosci. 2010 Jul;32(2):181-90. doi: 10.1111/j.1460-9568.2010.07338.x. Epub 2010 Jul 14.

Secreted factors as synaptic organizers.

Author information

1
Molecular & Behavioral Neuroscience Institute, University of Michigan Medical School, Ann Arbor, MI 48109-2200, USA.

Abstract

A critical step in synaptic development is the differentiation of presynaptic and postsynaptic compartments. This complex process is regulated by a variety of secreted factors that serve as synaptic organizers. Specifically, fibroblast growth factors, Wnts, neurotrophic factors and various other intercellular signaling molecules are proposed to regulate presynaptic and/or postsynaptic differentiation. Many of these factors appear to function at both the neuromuscular junction and in the central nervous system, although the specific function of the molecules differs between the two. Here we review secreted molecules that organize the synaptic compartments and discuss how these molecules shape synaptic development, focusing on mammalian in vivo systems. Their critical role in shaping a functional neural circuit is underscored by their possible link to a wide range of neurological and psychiatric disorders both in animal models and by mutations identified in human patients.

PMID:
20646052
PMCID:
PMC4127169
DOI:
10.1111/j.1460-9568.2010.07338.x
[Indexed for MEDLINE]
Free PMC Article

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