Dual Functions of Dab1 during Brain Development
نویسندگان
چکیده
منابع مشابه
Dual functions of Dab1 during brain development.
Reelin coordinates the movements of neurons during brain development by signaling through the Dab1 adaptor and Src family tyrosine kinases. Experiments with cultured neurons have shown that when Dab1 is phosphorylated on tyrosine, it activates Akt and provides a scaffold for assembling signaling complexes, including the paralogous Crk and CrkL adaptors. The roles of Akt and Dab1 complexes durin...
متن کاملA hypomorphic allele of dab1 reveals regional differences in reelin-Dab1 signaling during brain development.
The disabled 1 (Dab1) p80 protein is essential for reelin signaling during brain development. p80 has an N-terminal domain for association with reelin receptors, followed by reelin-dependent tyrosine phosphorylation sites and about 310 C-terminal residues of unknown function. We have generated mutant mice that express only a natural splice form of Dab1, p45, that lacks the C-terminal region of ...
متن کاملThyroid hormone regulates reelin and dab1 expression during brain development.
The reelin and dab1 genes are necessary for appropriate neuronal migration and lamination during brain development. Since these processes are controlled by thyroid hormone, we studied the effect of thyroid hormone deprivation and administration on the expression of reelin and dab1. As shown by Northern analysis, in situ hybridization, and immunohistochemistry studies, hypothyroid rats expressed...
متن کاملDab1 tyrosine phosphorylation sites relay positional signals during mouse brain development
BACKGROUND The extracellular protein Reln controls neuronal migrations in parts of the cortex, hippocampus and cerebellum. In vivo, absence of Reln correlates with up-regulation of the docking protein Dab1 and decreased Dab1 tyrosine phosphorylation. Loss of the Reln receptor proteins, apolipoprotein receptor 2 and very low density lipoprotein receptor, results in a Reln-like phenotype accompan...
متن کاملReelin, integrin and DAB1 interactions during embryonic cerebral cortical development.
Extracellular matrix-like molecule reelin and cell surface adhesion receptors such as alpha3beta1 integrin can regulate neuronal migration and position in the developing cerebral cortex. Here we show that alpha3beta1 integrin binds to the N-terminal region of reelin, a site distinct from the region of reelin shown to associate with other reelin receptors such as VLDLR/ApoER2. Furthermore, Dab1,...
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ژورنال
عنوان ژورنال: Molecular and Cellular Biology
سال: 2009
ISSN: 0270-7306,1098-5549
DOI: 10.1128/mcb.00663-08