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Clustering and functional cooperation of Ng-CAM and axonin-1 in the substratum-contact area of growth cones.


Stoeckli, E T; Ziegler, U; Bleiker, A J; Groscurth, P; Sonderegger, P (1996). Clustering and functional cooperation of Ng-CAM and axonin-1 in the substratum-contact area of growth cones. Developmental Biology, 177(1):15-29.

Abstract

Growth cones and neurites of chicken dorsal root ganglia neurons cultured on laminin, Ng-CAM, or axonin-1 exhibit substratum-dependent morphology and growth patterns which are accompanied by distinctive distributions of axonin-1 and Ng-CAM in the growth cone membrane. On either Ng-CAM or axonin-1 substratum, both Ng-CAM and axonin-1 were depleted from some areas of the apical growth cone membrane. In contrast, on laminin, both axonin-1 and Ng-CAM remained randomly distributed. Removal of axonin-1 from growth cones resulted in a blockage of neurite outgrowth on both Ng-CAM and axonin-1 substrata, indicating that in these neurons axonin-1 cooperates with Ng-CAM in the activation of axon growth. Based on these results possible molecular models for cooperation between axonin-1 and Ng-CAM on the growth cone are discussed.

Growth cones and neurites of chicken dorsal root ganglia neurons cultured on laminin, Ng-CAM, or axonin-1 exhibit substratum-dependent morphology and growth patterns which are accompanied by distinctive distributions of axonin-1 and Ng-CAM in the growth cone membrane. On either Ng-CAM or axonin-1 substratum, both Ng-CAM and axonin-1 were depleted from some areas of the apical growth cone membrane. In contrast, on laminin, both axonin-1 and Ng-CAM remained randomly distributed. Removal of axonin-1 from growth cones resulted in a blockage of neurite outgrowth on both Ng-CAM and axonin-1 substrata, indicating that in these neurons axonin-1 cooperates with Ng-CAM in the activation of axon growth. Based on these results possible molecular models for cooperation between axonin-1 and Ng-CAM on the growth cone are discussed.

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50 citations in Web of Science®
48 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed
Communities & Collections:04 Faculty of Medicine > Department of Biochemistry
07 Faculty of Science > Department of Biochemistry

07 Faculty of Science > Institute of Molecular Life Sciences
Dewey Decimal Classification:570 Life sciences; biology
Language:English
Date:10 July 1996
Deposited On:11 Feb 2008 12:14
Last Modified:05 Apr 2016 12:13
Publisher:Elsevier
ISSN:0012-1606
Publisher DOI:10.1006/dbio.1996.0141
PubMed ID:8660873

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