Trans-Induced cis interaction in the tripartite NGL-1, netrin-G1 and LAR adhesion complex promotes development of excitatory synapses

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Title
Trans-Induced cis interaction in the tripartite NGL-1, netrin-G1 and LAR adhesion complex promotes development of excitatory synapses
Author(s)
Yoo Sung Song; Hye-jin Lee; Pavel Prosselkov; Shigeyoshi Itohara; Eunjoon Kim
Publication Date
2013-11
Journal
JOURNAL OF CELL SCIENCE, v.126, no.21, pp.4926 - 4938
Publisher
COMPANY OF BIOLOGISTS LTD
Abstract
The initial contact between axons and dendrites at early neuronal synapses is mediated by surface adhesion molecules and is thought to induce synaptic maturation through the recruitment of additional synaptic proteins. The initiation of synaptic maturation should be ightly regulated to ensure that synaptic maturation occurs selectively at subcellular sites of axo-dendritic adhesion. However, the underlying mechanism is poorly understood. Here, we report that the initial trans-synaptic adhesion mediated by presynaptic netrin-G1 and postsynaptic NGL-1 (netrin-G1 ligand-1) induces a cis interaction between netrin-G1 and the receptor protein tyrosine phosphatase LAR (leukocyte antigen-related), and that this promotes presynaptic differentiation. We propose that trans-synaptic adhesions at early neuronal synapses trigger recruitment of neighboring adhesion molecules in a cis manner in order to couple initial axo-dendritic adhesion with synaptic differentiation. © 2013. Published by The Company of Biologists Ltd.
URI
https://pr.ibs.re.kr/handle/8788114/1215
ISSN
0021-9533
Appears in Collections:
Center for Synaptic Brain Dysfunctions(시냅스 뇌질환 연구단) > Journal Papers (저널논문)
Files in This Item:
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