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Netrin-1 as a guidance molecule in the postnatal rat cochlea

, : Netrin-1 as a guidance molecule in the postnatal rat cochlea. Hearing Research 199(1-2): 117-123

During synaptogenesis a number of growth factors and peptides control the guidance of auditory neuron (spiral ganglion neuron, SGN) axons to their target cells. Furthermore, evidence suggests that these factors exert their actions at discrete times and sites during development. This study demonstrates that the guidance molecule netrin-1 is expressed in the early postnatal rat cochlea, but shows decreasing expression with increasing age. These results suggest that netrin-1 may be involved in guiding axonal growth from SGNs for the onset of innervation, but is not required for maintenance of synaptic connections. Copyright 2004 Elsevier B.V. All rights reserved.


PMID: 15574306

DOI: 10.1016/j.heares.2004.07.004

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