Abstract:
:The development of neural circuits is a complex process that relies on the proper navigation of axons through their environment to their appropriate targets. While axon-environment and axon-target interactions have long been known as essential for circuit formation, communication between axons themselves has only more recently emerged as another crucial mechanism. Trans-axonal signaling governs many axonal behaviors, including fasciculation for proper guidance to targets, defasciculation for pathfinding at important choice points, repulsion along and within tracts for pre-target sorting and target selection, repulsion at the target for precise synaptic connectivity, and potentially selective degeneration for circuit refinement. This review outlines the recent advances in identifying the molecular mechanisms of trans-axonal signaling and discusses the role of axon-axon interactions during the different steps of neural circuit formation.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
Spead O,Poulain FEdoi
10.3390/ijms21145170subject
Has Abstractpub_date
2020-07-21 00:00:00issue
14issn
1422-0067pii
ijms21145170journal_volume
21pub_type
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