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Development 1999 May 01;1269:1859-68. doi: 10.1242/dev.126.9.1859.
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Novel guidance cues during neuronal pathfinding in the early scaffold of axon tracts in the rostral brain.

A scaffold of axons consisting of a pair of longitudinal tracts and several commissures is established during early development of the vertebrate brain. We report here that NOC-2, a cell surface carbohydrate, is selectively expressed by a subpopulation of growing axons in this scaffold in Xenopus. NOC-2 is present on two glycoproteins, one of which is a novel glycoform of the neural cell adhesion molecule N-CAM. When the function of NOC-2 was perturbed using either soluble carbohydrates or anti-NOC-2 antibodies, axons expressing NOC-2 exhibited aberrant growth at specific points in their pathway. NOC-2 is the first-identified axon guidance molecule essential for development of the axon scaffold in the embryonic vertebrate brain.

PubMed ID: 10101120
Article link: Development

Species referenced: Xenopus laevis
Genes referenced: noct
Antibodies: NOC-2 Ab2 Ncam1 Ab3 Ncam1 Ab4 Ncam1 Ab5 Tuba4b Ab11